Actually bump version

Compress PNG images losslessly using zopflipng

.gitignore

@@ -1 +1,15 @@
-/_old_
+# Android specific
+local.properties
+
+# Gradle
+.cxx
+.externalNativeBuild
+.gradle
+build
+
+# IntelliJ IDEA
+.idea
+*.iml
+
+# macOS
+.DS_Store

OpenPods/.gitignore

@@ -1,17 +0,0 @@
-*.iml
-.gradle
-/local.properties
-/.idea/caches
-/.idea/codeStyles
-/.idea/dictionaries
-/.idea/libraries
-/.idea/gradle.xml
-/.idea/misc.xml
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
-.DS_Store
-/build
-/captures
-.externalNativeBuild

OpenPods/.idea/compiler.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
-  </component>
-</project>

OpenPods/.idea/encodings.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
-</project>

OpenPods/.idea/inspectionProfiles/Project_Default.xml

@@ -1,17 +0,0 @@
-<component name="InspectionProjectProfileManager">
-  <profile version="1.0">
-    <option name="myName" value="Project Default" />
-    <inspection_tool class="HtmlUnknownAttribute" enabled="true" level="WARNING" enabled_by_default="true">
-      <option name="myValues">
-        <value>
-          <list size="3">
-            <item index="0" class="java.lang.String" itemvalue="data-wgscriptallow" />
-            <item index="1" class="java.lang.String" itemvalue="data-cbscriptallow" />
-            <item index="2" class="java.lang.String" itemvalue="data-acxscriptallow" />
-          </list>
-        </value>
-      </option>
-      <option name="myCustomValuesEnabled" value="true" />
-    </inspection_tool>
-  </profile>
-</component>

OpenPods/.idea/jarRepositories.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="BintrayJCenter" />
-      <option name="name" value="BintrayJCenter" />
-      <option name="url" value="https://jcenter.bintray.com/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="Google" />
-      <option name="name" value="Google" />
-      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="MavenRepo" />
-      <option name="name" value="MavenRepo" />
-      <option name="url" value="https://repo.maven.apache.org/maven2/" />
-    </remote-repository>
-  </component>
-</project>

OpenPods/.idea/render.experimental.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RenderSettings">
-    <option name="showDecorations" value="true" />
-  </component>
-</project>

OpenPods/.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
-  </component>
-</project>

OpenPods/app/build.gradle

@@ -1,38 +0,0 @@
-apply plugin: 'com.android.application'
-
-android {
-    compileSdkVersion 31
-    buildToolsVersion '30.0.3'
-
-    defaultConfig {
-        applicationId "com.dosse.airpods"
-        minSdkVersion 23
-        targetSdkVersion 31
-        versionCode 18
-        versionName '1.7'
-
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-    }
-
-    buildTypes {
-        release {
-            minifyEnabled true
-            shrinkResources true
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-
-    lintOptions {
-        abortOnError false
-    }
-
-    compileOptions {
-        sourceCompatibility = 1.8
-        targetCompatibility = 1.8
-    }
-}
-
-dependencies {
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation "androidx.preference:preference:1.1.1"
-}

OpenPods/app/src/main/java/com/dosse/airpods/pods/data/AirPods1.java

@@ -1,14 +0,0 @@
-package com.dosse.airpods.pods.data;
-
-public class AirPods1 extends RegularPods {
-
-    public AirPods1 (Pod leftPod, Pod rightPod, Pod casePod) {
-        super(leftPod, rightPod, casePod);
-    }
-
-    @Override
-    public String getModel () {
-        return MODEL_AIRPODS_GEN1;
-    }
-
-}

OpenPods/app/src/main/java/com/dosse/airpods/pods/data/AirPods2.java

@@ -1,14 +0,0 @@
-package com.dosse.airpods.pods.data;
-
-public class AirPods2 extends RegularPods {
-
-    public AirPods2 (Pod leftPod, Pod rightPod, Pod casePod) {
-        super(leftPod, rightPod, casePod);
-    }
-
-    @Override
-    public String getModel () {
-        return MODEL_AIRPODS_GEN2;
-    }
-
-}

OpenPods/app/src/main/java/com/dosse/airpods/pods/data/IPods.java

@@ -1,26 +0,0 @@
-package com.dosse.airpods.pods.data;
-
-public interface IPods {
-
-    String MODEL_AIRPODS_GEN1 = "airpods1";
-    String MODEL_AIRPODS_GEN2 = "airpods2";
-    String MODEL_AIRPODS_PRO = "airpodspro";
-    String MODEL_AIRPODS_MAX = "airpodsmax";
-    String MODEL_BEATS_X = "beatsx";
-    String MODEL_BEATS_FLEX = "beatsflex";
-    String MODEL_BEATS_SOLO_3 = "beatssolo3";
-    String MODEL_BEATS_STUDIO_3 = "beatsstudio3";
-    String MODEL_POWERBEATS_3 = "powerbeats3";
-    String MODEL_POWERBEATS_PRO = "powerbeatspro";
-    String MODEL_UNKNOWN = "unknown";
-
-
-    String getModel ();
-
-    boolean isSingle ();
-
-    boolean isDisconnected ();
-
-    String parseStatusForLogger ();
-
-}

OpenPods/app/src/main/java/com/dosse/airpods/receivers/BluetoothListener.java

@@ -1,26 +0,0 @@
-package com.dosse.airpods.receivers;
-
-import android.bluetooth.BluetoothDevice;
-import android.bluetooth.BluetoothProfile;
-
-public abstract class BluetoothListener implements BluetoothProfile.ServiceListener {
-
-    public abstract boolean onConnect (BluetoothDevice bluetoothDevice);
-
-    public abstract void onDisconnect ();
-
-    @Override
-    public void onServiceConnected (int profile, BluetoothProfile bluetoothProfile) {
-        if (profile == BluetoothProfile.HEADSET)
-            for (BluetoothDevice device : bluetoothProfile.getConnectedDevices())
-                if (onConnect(device))
-                    break;
-    }
-
-    @Override
-    public void onServiceDisconnected (int profile) {
-        if (profile == BluetoothProfile.HEADSET)
-            onDisconnect();
-    }
-
-}

OpenPods/app/src/main/java/com/dosse/airpods/ui/IntroActivity.java

@@ -1,145 +0,0 @@
-package com.dosse.airpods.ui;
-
-import android.Manifest;
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
-import android.provider.Settings;
-import android.widget.Button;
-import android.widget.TextView;
-import android.widget.Toast;
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
-
-import com.dosse.airpods.R;
-import com.dosse.airpods.utils.PermissionUtils;
-
-import java.util.Locale;
-import java.util.Timer;
-import java.util.TimerTask;
-
-public class IntroActivity extends AppCompatActivity {
-
-    private Timer timer;
-    private TextView msg;
-    private Button btn;
-
-    private static final int STEP_PERMISSION_BLUETOOTH = 1, STEP_PERMISSION_BATTERY_OPTIMIZATION = 2, STEP_PERMISSION_LOCATION = 3, STEP_PERMISSION_BACKGROUND_LOCATION = 4;
-    private static final int BLUETOOTH_REQUEST_CODE = 101, LOCATION_REQUEST_CODE = 102, BACKGROUND_LOCATION_REQUEST_CODE = 103;
-
-    @Override
-    protected void onCreate (Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_intro);
-
-        msg = findViewById(R.id.permsMsg);
-        btn = findViewById(R.id.permsBtn);
-
-        // Wait for permissions to be granted.
-        // When they are granted, go to MainActivity.
-        timer = new Timer();
-        timer.scheduleAtFixedRate(new TimerTask() {
-            @Override
-            public void run () {
-                initScreen();
-
-                if (PermissionUtils.checkAllPermissions(IntroActivity.this)) {
-                    timer.cancel();
-                    startActivity(new Intent(IntroActivity.this, MainActivity.class));
-                    finish();
-                }
-            }
-        }, 0, 100);
-
-    }
-
-    // Activity destroyed (or screen rotated). destroy the timer too
-    @Override
-    protected void onDestroy () {
-        super.onDestroy();
-        if (timer != null)
-            timer.cancel();
-    }
-
-    private int getPermissionState () {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) if (!PermissionUtils.getBluetoothPermissions(this))
-            return STEP_PERMISSION_BLUETOOTH;
-        if (!PermissionUtils.getBatteryOptimizationsPermission(this))
-            return STEP_PERMISSION_BATTERY_OPTIMIZATION;
-        if (!PermissionUtils.getFineLocationPermission(this))
-            return STEP_PERMISSION_LOCATION;
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) if (!PermissionUtils.getBackgroundLocationPermission(this))
-            return STEP_PERMISSION_BACKGROUND_LOCATION;
-
-        return 0;
-    }
-
-    @SuppressLint("BatteryLife")
-    private void initScreen () {
-        int currentStep = getPermissionState() - ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) ? 0 : 1);
-        int numOfSteps = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) ? ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) ? 4 : 3) : 2;
-
-        runOnUiThread(() -> {
-            switch (getPermissionState()) {
-                case STEP_PERMISSION_BLUETOOTH:
-                    msg.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, numOfSteps, getString(R.string.intro_bt_perm)));
-                    btn.setOnClickListener(view -> {
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
-                            requestPermissions(new String[] {Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT}, BLUETOOTH_REQUEST_CODE);
-                    });
-                    break;
-                case STEP_PERMISSION_BATTERY_OPTIMIZATION:
-                    msg.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, numOfSteps, getString(R.string.intro_bat_perm)));
-                    btn.setOnClickListener(view -> {
-                        Intent intent = new Intent();
-                        getSystemService(Context.POWER_SERVICE);
-                        intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
-                        intent.setData(Uri.parse("package:" + getPackageName()));
-                        startActivity(intent);
-                    });
-                    break;
-                case STEP_PERMISSION_LOCATION:
-                    msg.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, numOfSteps, getString(R.string.intro_loc1_perm)));
-                    btn.setOnClickListener(view -> requestPermissions(new String[] {Manifest.permission.ACCESS_FINE_LOCATION}, LOCATION_REQUEST_CODE)); // Location (for BLE)
-                    break;
-                case STEP_PERMISSION_BACKGROUND_LOCATION:
-                    msg.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, numOfSteps, getString(R.string.intro_loc2_perm)));
-                    btn.setOnClickListener(view -> {
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) requestPermissions(new String[] {Manifest.permission.ACCESS_BACKGROUND_LOCATION}, BACKGROUND_LOCATION_REQUEST_CODE);
-                    });
-                    break;
-            }
-            btn.setText(String.format(Locale.getDefault(), "%s (%d/%d)", getString(R.string.intro_allow), currentStep, numOfSteps));
-        });
-    }
-
-    @Override
-    public void onRequestPermissionsResult (int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-        switch (requestCode) {
-            case BLUETOOTH_REQUEST_CODE:
-                if (!hasAllPermissionsGranted(grantResults)) Toast.makeText(this, getString(R.string.msg_bt_perm), Toast.LENGTH_LONG).show();
-                break;
-            case LOCATION_REQUEST_CODE:
-                if (!hasAllPermissionsGranted(grantResults)) Toast.makeText(this, getString(R.string.msg_loc1_perm), Toast.LENGTH_LONG).show();
-                break;
-            case BACKGROUND_LOCATION_REQUEST_CODE:
-                if (!hasAllPermissionsGranted(grantResults)) Toast.makeText(this, getString(R.string.msg_loc2_perm), Toast.LENGTH_LONG).show();
-                break;
-        }
-    }
-
-    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
-    public boolean hasAllPermissionsGranted (@NonNull int[] grantResults) {
-        for (int grantResult : grantResults)
-            if (grantResult == PackageManager.PERMISSION_DENIED)
-                return false;
-
-        return true;
-    }
-
-}

OpenPods/app/src/main/java/com/dosse/airpods/utils/MIUIWarning.java

@@ -1,36 +0,0 @@
-package com.dosse.airpods.utils;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import androidx.appcompat.app.AlertDialog;
-
-import com.dosse.airpods.R;
-
-public class MIUIWarning {
-
-    public static void show (Context context) {
-        try {
-            @SuppressLint("PrivateApi") Class<?> c = Class.forName("android.os.SystemProperties");
-            String miuiVersion = (String)c.getMethod("get", String.class).invoke(c, "ro.miui.ui.version.code");
-            if (miuiVersion != null && !miuiVersion.isEmpty()) {
-                try {
-                    context.getApplicationContext().openFileInput("miuiwarn").close();
-                } catch (Throwable ignored) {
-                    AlertDialog.Builder builder = new AlertDialog.Builder(context);
-                    builder.setTitle(R.string.miui_warning);
-                    builder.setMessage(R.string.miui_warning_desc);
-                    builder.setNeutralButton(R.string.miui_warning_continue, (dialog, which) -> dialog.dismiss());
-                    builder.setOnDismissListener(dialog -> {
-                        try {
-                            context.getApplicationContext().openFileOutput("miuiwarn", Context.MODE_PRIVATE).close();
-                        } catch (Throwable ignored2) {
-                        }
-                    });
-                    builder.show();
-                }
-            }
-        } catch (Throwable ignored) {
-        }
-    }
-
-}

OpenPods/app/src/main/java/com/dosse/airpods/utils/PermissionUtils.java

@@ -1,53 +0,0 @@
-package com.dosse.airpods.utils;
-
-import android.Manifest;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.os.Build;
-import android.os.PowerManager;
-import androidx.annotation.RequiresApi;
-
-import java.util.Objects;
-
-import static androidx.core.content.ContextCompat.checkSelfPermission;
-
-public class PermissionUtils {
-
-    public static boolean getBatteryOptimizationsPermission (Context context) {
-        try {
-            return Objects.requireNonNull(context.getSystemService(PowerManager.class)).isIgnoringBatteryOptimizations(context.getPackageName());
-        } catch (Throwable ignored) {
-            return true;
-        }
-    }
-
-    @RequiresApi(api = Build.VERSION_CODES.S)
-    public static boolean getBluetoothPermissions (Context context) {
-        return checkSelfPermission(context, Manifest.permission.BLUETOOTH_SCAN) == PackageManager.PERMISSION_GRANTED
-                && checkSelfPermission(context, Manifest.permission.BLUETOOTH_CONNECT) == PackageManager.PERMISSION_GRANTED;
-    }
-
-    public static boolean getFineLocationPermission (Context context) {
-        return checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
-    }
-
-    @RequiresApi(api = Build.VERSION_CODES.Q)
-    public static boolean getBackgroundLocationPermission (Context context) {
-        return checkSelfPermission(context, Manifest.permission.ACCESS_BACKGROUND_LOCATION) == PackageManager.PERMISSION_GRANTED;
-    }
-
-    public static boolean getLocationPermissions (Context context) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
-            return getFineLocationPermission(context) && getBackgroundLocationPermission(context);
-        else
-            return getFineLocationPermission(context);
-    }
-
-    public static boolean checkAllPermissions (Context context) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
-            return getBatteryOptimizationsPermission(context) && getLocationPermissions(context) && getBluetoothPermissions(context);
-        else
-            return getBatteryOptimizationsPermission(context) && getLocationPermissions(context);
-    }
-
-}

OpenPods/app/src/main/res/layout/location_disabled_big.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="120dp"
-    android:background="@color/bgColorPrimary"
-    android:gravity="center"
-    android:padding="@dimen/padding_default">
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="center"
-        android:text="@string/locationDisabledText"
-        android:textColor="@color/textColorPrimary" />
-
-</RelativeLayout>

OpenPods/app/src/main/res/layout/location_disabled_small.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="70dp"
-    android:background="@color/bgColorPrimary"
-    android:gravity="center"
-    android:padding="@dimen/padding_default">
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="center"
-        android:text="@string/locationDisabledText"
-        android:textColor="@color/textColorPrimary" />
-
-</RelativeLayout>

OpenPods/app/src/main/res/values-de/strings.xml

@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="intro_title">Diese App erlaubt es dir, den Status deiner AirPods auf einem beliebigen Android-Gerät zu überprüfen</string>
-    <string name="intro_message">Für den Dienst benötigen wir die Berechtigung zur Verwendung von Bluetooth LE (Standort) und die Berechtigung zum Betrieb im Hintergrund</string>
-    <string name="intro_allow">Erlauben</string>
-
-    <string name="main_description">Die App zeigt eine Benachrichtigung, wenn deine AirPods verbunden sind</string>
-    <string name="supportedDevicesTitle"><u>Unterstützte Geräte:</u></string>
-    <string name="airpods1">&#8226; Apple AirPods 1st gen</string>
-    <string name="airpods2">&#8226; Apple AirPods 2nd gen</string>
-    <string name="airpodspro">&#8226; Apple AirPods Pro</string>
-    <string name="airpodsmax">&#8226; Apple AirPods Max</string>
-    <string name="beatsx">&#8226; Beats X</string>
-    <string name="beatsflex">&#8226; Beats Flex</string>
-    <string name="beatssolo3">&#8226; Beats Solo 3</string>
-    <string name="beatsstudio3">&#8226; Beats Studio 3</string>
-    <string name="powerbeats3">&#8226; Powerbeats 3</string>
-    <string name="powerbeatspro">&#8226; Powerbeats Pro</string>
-
-    <string name="miui_warning">MIUI erkannt</string>
-    <string name="miui_warning_continue">Fortsetzen</string>
-
-    <string name="noBtText">Es sieht so aus, als hätte dieses Gerät kein Bluetooth LE</string>
-    <string name="locationDisabledText">Du musst Standortinformationen aktivieren, damit OpenPods den Status deiner AirPods auslesen kann</string>
-
-    <string name="settings">Einstellungen</string>
-    <string name="batterySaver">Stromsparmodus (nicht empfohlen)</string>
-    <string name="batterySaver_desc">Aktiviere diesen Modus, wenn Bluetooth zu viel Batterieleistung erfordert</string>
-
-    <string name="about">Über</string>
-    <string name="about_dev">Entwickelt von Federico Dossena und Itai Levin</string>
-    <string name="website">Webseite</string>
-    <string name="donate">Spenden</string>
-</resources>

OpenPods/app/src/main/res/values-ru/strings.xml

@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="intro_title">Это приложение позволяет Вам проверить статус ваших AirPods на любом Android-устройстве</string>
-    <string name="intro_message">Для работы нам нужно Bluetooth LE(местоположение) и разрешение на запуск в фоновом режиме</string>
-    <string name="intro_allow">Разрешить</string>
-
-    <string name="main_description">Приложение покажет уведомление, когда будет установлено соединение с AirPods</string>
-    <string name="supportedDevicesTitle"><u>Поддерживаемые устройства:</u></string>
-    <string name="airpods1">&#8226; Apple AirPods 1st gen</string>
-    <string name="airpods2">&#8226; Apple AirPods 2nd gen</string>
-    <string name="airpodspro">&#8226; Apple AirPods Pro</string>
-    <string name="airpodsmax">&#8226; Apple AirPods Max</string>
-    <string name="beatsx">&#8226; Beats X</string>
-    <string name="beatsflex">&#8226; Beats Flex</string>
-    <string name="beatssolo3">&#8226; Beats Solo 3</string>
-    <string name="beatsstudio3">&#8226; Beats Studio 3</string>
-    <string name="powerbeats3">&#8226; Powerbeats 3</string>
-    <string name="powerbeatspro">&#8226; Powerbeats Pro</string>
-
-    <string name="miui_warning">MIUI обнаружено</string>
-    <string name="miui_warning_continue">Продолжать</string>
-
-    <string name="noBtText">Похоже, что Bluetooth LE не поддерживается на Вашем устройстве</string>
-    <string name="locationDisabledText">Вам нужно включить местоположение, чтобы разрешить OpenPods читать статус</string>
-
-    <string name="settings">Настройки</string>
-    <string name="batterySaver">Режим энергосбережения (Не рекомендуется)</string>
-    <string name="batterySaver_desc">Включите, если Bluetooth использует слишком много ресурсов</string>
-
-    <string name="about">О приложении</string>
-    <string name="about_dev">Разработано Federico Dossena и Itai Levin</string>
-    <string name="website">Сайт</string>
-    <string name="donate">Поддержать</string>
-</resources>

OpenPods/build.gradle

@@ -1,27 +0,0 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
-buildscript {
-    repositories {
-        google()
-        mavenCentral()
-        
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.1'
-        
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-        
-    }
-}
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}

OpenPods/gradle.properties

@@ -1,17 +0,0 @@
-# Project-wide Gradle settings.
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-# For more details on how to configure your build environment visit
-# http://www.gradle.org/docs/current/userguide/build_environment.html
-# Specifies the JVM arguments used for the daemon process.
-# The setting is particularly useful for tweaking memory settings.
-android.enableJetifier=true
-android.useAndroidX=true
-org.gradle.jvmargs=-Xmx1536m
-# When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
-
-

OpenPods/settings.gradle

@@ -1 +0,0 @@
-include ':app'

README.md

@@ -1,23 +1,53 @@
-![OpenPods Logo](fastlane/metadata/android/en-US/images/featureGraphic.png)
+<p align="center"><img src="fastlane/metadata/android/en-US/images/icon.png" width="150"></p> 
+<h1 align="center"><b>OpenPods</b></h1>
+<h4 align="center">The Free and Open Source app for monitoring your AirPods on Android</h4>
+<p align="center">
+	<a href="https://github.com/adolfintel/OpenPods/releases">
+		<img src="https://img.shields.io/github/release/adolfintel/OpenPods.svg?color=blueviolet" alt="GitHub release">
+	</a>
+	<a href="https://www.gnu.org/licenses/gpl-3.0">
+		<img src="https://img.shields.io/badge/License-GPL%20v3-blue.svg" alt="License: GPLv3">
+	</a>
+	<img alt="Minimum SDK" src="https://img.shields.io/badge/API-26%2B-green">
+</p>
+<p align="center">
+	<a href="https://f-droid.org/packages/com.dosse.airpods">
+		<img src="assets/get-it-on-fdroid.png" alt="Get it on F-Droid" height="80">
+	</a>
+	<a href="https://downloads.fdossena.com/geth.php?r=openpods-apk">
+		<img src="assets/get-it-on-openpods.png" alt="Get it on OpenPods" height="80">
+	</a>
+</p>
 
-# OpenPods
+## Screenshots
-The Free and Open Source app for monitoring your AirPods on Android
-
-## Download
-<a href="https://f-droid.org/packages/com.dosse.airpods"><img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" alt="Get it on F-Droid" height="80"></a>
-
-[Download APK](https://downloads.fdossena.com/geth.php?r=openpods-apk)
 
+[<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen1.png"
+    alt="Big notification"
+    width="200">](fastlane/metadata/android/en-US/images/phoneScreenshots/screen1.png)
+[<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen2.png"
+    alt="Small notification"
+    width="200">](fastlane/metadata/android/en-US/images/phoneScreenshots/screen2.png)
+[<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen3.png"
+    alt="Setup screen"
+    width="200">](fastlane/metadata/android/en-US/images/phoneScreenshots/screen3.png)
+[<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen4.png"
+    alt="Home screen"
+    width="200">](fastlane/metadata/android/en-US/images/phoneScreenshots/screen4.png)
+	
 ## Features
+
 * Shows a notification with AirPods status when they are connected
 * Respects your privacy
 * Free and Open Source software
 * Supports Dark Theme
 
 ## Supported devices
+
 * Apple AirPods 1st gen
 * Apple AirPods 2nd gen
+* Apple AirPods 3rd gen
 * Apple AirPods Pro
+* Apple AirPods Pro 2
 * Apple AirPods Max
 * Beats X
 * Beats Flex
@@ -33,13 +63,10 @@ Legal actions can and will be taken when uploading a compiled version to the Goo
 This paragraph was added due to multiple license violations found on the Google Play Store. If you're not sure whether you're allowed to distribute your modified version, please contact the developer.
 
 ## Donate
-[Donate with PayPal](https://www.paypal.me/sineisochronic)
+<a href="https://www.paypal.me/sineisochronic"><img src="assets/donate-with-paypal.png" alt="Donate with PayPal" height="80"></a>
-
-## Screenshots
-<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen1.png" width="400"> &nbsp; <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen2.png" width="400"> &nbsp; <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen3.png" width="400"> &nbsp; <img src="fastlane/metadata/android/en-US/images/phoneScreenshots/screen4.png" width="400">
 
 ## License
-Copyright (C) 2021 Federico Dossena
+[![GNU GPLv3 Image](https://www.gnu.org/graphics/gplv3-127x51.png)](https://www.gnu.org/licenses/gpl-3.0.en.html)  
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -54,4 +81,9 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+&nbsp;
+&nbsp;
+
+Copyright (C) 2019-2022 Federico Dossena
+
 AirPods is a trademark of Apple inc.

app/build.gradle

@@ -0,0 +1,36 @@
+plugins {
+    alias(libs.plugins.androidApplication)
+}
+
+android {
+    namespace 'com.dosse.airpods'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.dosse.airpods"
+        minSdk 26
+        targetSdk 34
+        versionCode 23
+        versionName '1.10'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    buildFeatures {
+        buildConfig true
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
+}
+
+dependencies {
+    implementation libs.androidx.appcompat
+    implementation libs.androidx.preference
+}

app/release/output-metadata.json

@@ -0,0 +1,20 @@
+{
+  "version": 3,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "com.dosse.airpods",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "attributes": [],
+      "versionCode": 21,
+      "versionName": "1.9",
+      "outputFile": "app-release.apk"
+    }
+  ],
+  "elementType": "File"
+}

app/src/main/AndroidManifest.xml

@@ -1,15 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.dosse.airpods">
+    xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
-    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
+    <uses-permission
+        android:name="android.permission.BLUETOOTH_SCAN"
+        android:usesPermissionFlags="neverForLocation"
+        tools:targetApi="s" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_LOCATION" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 
@@ -23,7 +29,8 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        tools:ignore="DataExtractionRules">
 
         <activity
             android:name=".ui.MainActivity"
@@ -47,13 +54,10 @@
             android:launchMode="singleTop"
             android:parentActivityName=".ui.MainActivity" />
 
-        <activity
+        <activity android:name=".ui.NoBTActivity" />
-            android:name=".ui.NoBTActivity"
-            android:label="@string/app_name" />
 
         <activity
             android:name=".ui.IntroActivity"
-            android:label="@string/app_name"
             android:theme="@style/AppTheme.NoActionBar" />
 
         <receiver

app/src/main/java/com/dosse/airpods/notification/NotificationBuilder.java

@@ -2,55 +2,47 @@ package com.dosse.airpods.notification;
 
 import android.app.Notification;
 import android.content.Context;
-import android.os.Build;
 import android.view.View;
 import android.widget.RemoteViews;
 import androidx.core.app.NotificationCompat;
 
 import com.dosse.airpods.R;
 import com.dosse.airpods.pods.PodsStatus;
-import com.dosse.airpods.pods.data.IPods;
+import com.dosse.airpods.pods.models.IPods;
-import com.dosse.airpods.pods.data.RegularPods;
+import com.dosse.airpods.pods.models.RegularPods;
-import com.dosse.airpods.pods.data.SinglePods;
+import com.dosse.airpods.pods.models.SinglePods;
-import com.dosse.airpods.utils.PermissionUtils;
 
 public class NotificationBuilder {
     public static final String TAG = "AirPods";
     public static final long TIMEOUT_CONNECTED = 30000;
     public static final int NOTIFICATION_ID = 1;
 
-    private final RemoteViews[] notificationArr, notificationLocation;
+    private final RemoteViews[] mRemoteViews;
-    private final Context mContext;
     private final NotificationCompat.Builder mBuilder;
 
-    public NotificationBuilder (Context context) {
+    public NotificationBuilder(Context context) {
-        mContext = context;
+        mRemoteViews = new RemoteViews[] {
-
+                new RemoteViews(context.getPackageName(), R.layout.status_big),
-        notificationArr = new RemoteViews[] {new RemoteViews(context.getPackageName(), R.layout.status_big), new RemoteViews(context.getPackageName(), R.layout.status_small)};
+                new RemoteViews(context.getPackageName(), R.layout.status_small)
-        notificationLocation = new RemoteViews[] {new RemoteViews(context.getPackageName(), R.layout.location_disabled_big), new RemoteViews(context.getPackageName(), R.layout.location_disabled_small)};
+        };
 
         mBuilder = new NotificationCompat.Builder(context, TAG);
         mBuilder.setShowWhen(false);
         mBuilder.setOngoing(true);
         mBuilder.setSmallIcon(R.mipmap.notification_icon);
         mBuilder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
+        mBuilder.setCustomContentView(mRemoteViews[1]);
+        mBuilder.setCustomBigContentView(mRemoteViews[0]);
+        mBuilder.setStyle(new NotificationCompat.DecoratedCustomViewStyle()); //Make the notification extendable issue #165
+        mBuilder.setCategory(NotificationCompat.CATEGORY_SERVICE); //show notification on android 12 and above #144 #143
     }
 
-    public Notification build (PodsStatus status) {
+    public Notification build(PodsStatus status) {
-
-        // Apparently this restriction was removed ONLY in android Q
-        if (PermissionUtils.getLocationPermissions(mContext) || Build.VERSION.SDK_INT == Build.VERSION_CODES.Q) {
-            mBuilder.setCustomContentView(notificationArr[1]);
-            mBuilder.setCustomBigContentView(notificationArr[0]);
-        } else {
-            mBuilder.setCustomContentView(notificationLocation[1]);
-            mBuilder.setCustomBigContentView(notificationLocation[0]);
-        }
 
         IPods airpods = status.getAirpods();
         boolean single = airpods.isSingle();
 
-        for (RemoteViews notification : notificationArr) {
+        for (RemoteViews notification : mRemoteViews) {
             if (!single) {
                 notification.setImageViewResource(R.id.leftPodImg, ((RegularPods)airpods).getLeftDrawable());
                 notification.setImageViewResource(R.id.rightPodImg, ((RegularPods)airpods).getRightDrawable());
@@ -63,7 +55,7 @@ public class NotificationBuilder {
             notification.setViewVisibility(R.id.rightPod, single ? View.GONE : View.VISIBLE);
         }
 
-        if (isFreshStatus(status)) for (RemoteViews notification : notificationArr) {
+        if (isFreshStatus(status)) for (RemoteViews notification : mRemoteViews) {
             notification.setViewVisibility(R.id.leftPodText, View.VISIBLE);
             notification.setViewVisibility(R.id.rightPodText, View.VISIBLE);
             notification.setViewVisibility(R.id.podCaseText, View.VISIBLE);
@@ -95,8 +87,7 @@ public class NotificationBuilder {
                 notification.setImageViewResource(R.id.caseBatImg, singlePods.getBatImgSrcId());
                 notification.setViewVisibility(R.id.caseBatImg, singlePods.getBatImgVisibility());
             }
-        }
+        } else for (RemoteViews notification : mRemoteViews) {
-        else for (RemoteViews notification : notificationArr) {
             notification.setViewVisibility(R.id.leftPodText, View.INVISIBLE);
             notification.setViewVisibility(R.id.rightPodText, View.INVISIBLE);
             notification.setViewVisibility(R.id.podCaseText, View.INVISIBLE);
@@ -113,8 +104,7 @@ public class NotificationBuilder {
         return mBuilder.build();
     }
 
-    private boolean isFreshStatus (PodsStatus status) {
+    private boolean isFreshStatus(PodsStatus status) {
         return System.currentTimeMillis() - status.getTimestamp() < TIMEOUT_CONNECTED;
     }
-
 }

app/src/main/java/com/dosse/airpods/notification/NotificationThread.java

@@ -4,7 +4,6 @@ import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.content.Context;
-import android.os.Build;
 
 import com.dosse.airpods.pods.PodsStatus;
 import com.dosse.airpods.utils.Logger;
@@ -14,11 +13,11 @@ import static com.dosse.airpods.notification.NotificationBuilder.TAG;
 
 /**
  * The following class is a thread that manages the notification while your AirPods are connected.
- *
+ * <p>
  * It simply reads the status variables every 1 seconds and creates, destroys, or updates the notification accordingly.
  * The notification is shown when BT is on and AirPods are connected. The status is updated every 1 second.
  * Battery% is hidden if we didn't receive a beacon for 30 seconds (screen off for a while)
- *
+ * <p>
  * This thread is the reason why we need permission to disable doze. In theory we could integrate this into the BLE scanner,
  * but it sometimes glitched out with the screen off.
  */
@@ -27,30 +26,29 @@ public abstract class NotificationThread extends Thread {
     private static final long SLEEP_TIMEOUT = 1000;
 
     private final String compat;
-    private final NotificationBuilder builder;
+    private final NotificationBuilder mBuilder;
-    private final NotificationManager mNotifyManager;
+    private final NotificationManager mNotificationManager;
 
-    public abstract boolean isConnected ();
+    public abstract boolean isConnected();
 
-    public abstract PodsStatus getStatus ();
+    public abstract PodsStatus getStatus();
 
-    public NotificationThread (Context context) {
+    public NotificationThread(Context context) {
         compat = context.getPackageManager().getInstallerPackageName(context.getPackageName());
-        mNotifyManager = (NotificationManager)context.getSystemService(Context.NOTIFICATION_SERVICE);
+        mNotificationManager = (NotificationManager)context.getSystemService(Context.NOTIFICATION_SERVICE);
-        // On Oreo (API27) and newer, create a notification channel.
+
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        NotificationChannel channel = new NotificationChannel(TAG, TAG, NotificationManager.IMPORTANCE_LOW);
-            NotificationChannel channel = new NotificationChannel(TAG, TAG, NotificationManager.IMPORTANCE_LOW);
+        channel.setSound(null, null);
-            channel.setSound(null, null);
+        channel.enableVibration(false);
-            channel.enableVibration(false);
+        channel.enableLights(false);
-            channel.enableLights(false);
+        channel.setShowBadge(false);
-            channel.setShowBadge(false);
+        channel.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
-            channel.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
+
-            mNotifyManager.createNotificationChannel(channel);
+        mNotificationManager.createNotificationChannel(channel);
-        }
+        mBuilder = new NotificationBuilder(context);
-        builder = new NotificationBuilder(context);
     }
 
-    public void run () {
+    public void run() {
         boolean notificationShowing = false;
 
         while (!Thread.interrupted()) {
@@ -62,14 +60,15 @@ public abstract class NotificationThread extends Thread {
                     notificationShowing = true;
                 }
                 Logger.debug(status.getAirpods().parseStatusForLogger());
-                mNotifyManager.notify(NOTIFICATION_ID, builder.build(status));
+                mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build(status));
             } else {
                 if (notificationShowing) {
                     Logger.debug("Removing notification");
                     notificationShowing = false;
                     continue;
                 }
-                mNotifyManager.cancel(NOTIFICATION_ID);
+
+                mNotificationManager.cancel(NOTIFICATION_ID);
             }
 
             if ((compat == null ? 0 : (compat.hashCode()) ^ 0x43700437) == 0x82e89606) return;

app/src/main/java/com/dosse/airpods/pods/Pod.java

@@ -1,11 +1,10 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods;
 
 import android.view.View;
 
 import com.dosse.airpods.R;
 
 public class Pod {
-
     public static final int DISCONNECTED_STATUS = 15;
     public static final int MAX_CONNECTED_STATUS = 10;
     public static final int LOW_BATTERY_STATUS = 1;
@@ -14,50 +13,49 @@ public class Pod {
     private final boolean charging;
     private final boolean inEar;
 
-    public Pod (int status, boolean charging, boolean inEar) {
+    public Pod(int status, boolean charging, boolean inEar) {
         this.status = status;
         this.charging = charging;
         this.inEar = inEar;
     }
 
-    public int getStatus () {
+    public int getStatus() {
         return status;
     }
 
-    public String parseStatus () {
+    public String parseStatus() {
         return (status == MAX_CONNECTED_STATUS) ? "100%" : ((status < MAX_CONNECTED_STATUS) ? ((status * 10 + 5) + "%") : "");
     }
 
-    public boolean isCharging () {
+    public boolean isCharging() {
         return charging;
     }
 
-    public boolean isInEar () {
+    public boolean isInEar() {
         return inEar;
     }
 
-    public boolean isConnected () {
+    public boolean isConnected() {
         return status <= MAX_CONNECTED_STATUS;
     }
 
-    public boolean isDisconnected () {
+    public boolean isDisconnected() {
         return status == DISCONNECTED_STATUS;
     }
 
-    public boolean isLowBattery () {
+    public boolean isLowBattery() {
         return status <= LOW_BATTERY_STATUS;
     }
 
-    public int inEarVisibility () {
+    public int inEarVisibility() {
         return inEar ? View.VISIBLE : View.INVISIBLE;
     }
 
-    public int batImgVisibility () {
+    public int batImgVisibility() {
         return (charging && isConnected() || isLowBattery()) ? View.VISIBLE : View.GONE;
     }
 
-    public int batImgSrcId () {
+    public int batImgSrcId() {
         return charging ? R.drawable.ic_battery_charging_full_green_24dp : R.drawable.ic_battery_alert_red_24dp;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/PodsService.java

@@ -1,5 +1,6 @@
 package com.dosse.airpods.pods;
 
+import android.annotation.SuppressLint;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
@@ -14,11 +15,9 @@ import android.bluetooth.le.ScanSettings;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.os.Build;
 import android.os.IBinder;
 import android.os.ParcelUuid;
 import android.provider.Settings;
-import androidx.annotation.RequiresApi;
 
 import com.dosse.airpods.R;
 import com.dosse.airpods.notification.NotificationThread;
@@ -39,16 +38,15 @@ import static com.dosse.airpods.utils.SharedPreferencesUtils.isSavingBattery;
  * - Display the notification with the status
  */
 public class PodsService extends Service {
+    private BluetoothLeScanner mBluetoothScanner;
+    private PodsStatus mStatus = PodsStatus.DISCONNECTED;
 
-    private BluetoothLeScanner btScanner;
+    private static NotificationThread mNotificationThread = null;
-    private PodsStatus status = PodsStatus.DISCONNECTED;
+    private static boolean mMaybeConnected = false;
 
-    private static NotificationThread n = null;
+    private BroadcastReceiver mBluetoothReceiver = null;
-    private static boolean maybeConnected = false;
+    private BroadcastReceiver mScreenReceiver = null;
-
+    private PodsStatusScanCallback mScanCallback = null;
-    private BroadcastReceiver btReceiver = null;
-    private BroadcastReceiver screenReceiver = null;
-    private PodsStatusScanCallback scanCallback = null;
 
     /**
      * The following method (startAirPodsScanner) creates a bluetooth LE scanner.
@@ -56,10 +54,11 @@ public class PodsService extends Service {
      * - Check that the beacon comes from something that looks like a pair of AirPods
      * - Make sure that it is YOUR pair of AirPods
      * - Decode the beacon to get the status
-     *
+     * <p>
      * After decoding a beacon, the status is written to PodsStatus so that the NotificationThread can use the information
      */
-    private void startAirPodsScanner () {
+    @SuppressLint("MissingPermission")
+    private void startAirPodsScanner() {
         try {
             Logger.debug("START SCANNER");
 
@@ -71,10 +70,9 @@ public class PodsService extends Service {
                 return;
             }
 
-            //if (batterySaver && btScanner != null && scanCallback != null) {
+            if (mBluetoothScanner != null && mScanCallback != null) {
-            if (btScanner != null && scanCallback != null) {
+                mBluetoothScanner.stopScan(mScanCallback);
-                btScanner.stopScan(scanCallback);
+                mScanCallback = null;
-                scanCallback = null;
             }
 
             if (!btAdapter.isEnabled()) {
@@ -82,45 +80,46 @@ public class PodsService extends Service {
                 return;
             }
 
-            btScanner = btAdapter.getBluetoothLeScanner();
+            mBluetoothScanner = btAdapter.getBluetoothLeScanner();
 
             ScanSettings scanSettings = new ScanSettings.Builder()
                     .setScanMode(isSavingBattery(getApplicationContext()) ? ScanSettings.SCAN_MODE_LOW_POWER : ScanSettings.SCAN_MODE_LOW_LATENCY)
                     .setReportDelay(1) // DON'T USE 0
                     .build();
 
-            scanCallback = new PodsStatusScanCallback() {
+            mScanCallback = new PodsStatusScanCallback() {
                 @Override
-                public void onStatus (PodsStatus newStatus) {
+                public void onStatus(PodsStatus newStatus) {
-                    status = newStatus;
+                    mStatus = newStatus;
                 }
             };
 
-            btScanner.startScan(getScanFilters(), scanSettings, scanCallback);
+            mBluetoothScanner.startScan(getScanFilters(), scanSettings, mScanCallback);
         } catch (Throwable t) {
             Logger.error(t);
         }
     }
 
-    private void stopAirPodsScanner () {
+    @SuppressLint("MissingPermission")
+    private void stopAirPodsScanner() {
         try {
-            if (btScanner != null && scanCallback != null) {
+            if (mBluetoothScanner != null && mScanCallback != null) {
                 Logger.debug("STOP SCANNER");
 
-                btScanner.stopScan(scanCallback);
+                mBluetoothScanner.stopScan(mScanCallback);
-                scanCallback = null;
+                mScanCallback = null;
             }
-            status = PodsStatus.DISCONNECTED;
+            mStatus = PodsStatus.DISCONNECTED;
         } catch (Throwable t) {
             Logger.error(t);
         }
     }
 
-    public PodsService () {
+    public PodsService() {
     }
 
     @Override
-    public IBinder onBind (Intent intent) {
+    public IBinder onBind(Intent intent) {
         return null;
     }
 
@@ -128,54 +127,53 @@ public class PodsService extends Service {
      * When the service is created, we register to get as many bluetooth and airpods related events as possible.
      * ACL_CONNECTED and ACL_DISCONNECTED should have been enough, but you never know with android these days.
      */
+    @SuppressLint("UnspecifiedRegisterReceiverFlag")
     @Override
-    public void onCreate () {
+    public void onCreate() {
         super.onCreate();
-
+        startForeground(101, createBackgroundNotification());
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
-            startForeground(101, createBackgroundNotification());
 
         unregisterBtReceiver();
 
-        btReceiver = new BluetoothReceiver() {
+        mBluetoothReceiver = new BluetoothReceiver() {
             @Override
-            public void onStart () {
+            public void onStart() {
                 // Bluetooth turned on, start/restart scanner.
                 Logger.debug("BT ON");
                 startAirPodsScanner();
             }
 
             @Override
-            public void onStop () {
+            public void onStop() {
                 // Bluetooth turned off, stop scanner and remove notification.
                 Logger.debug("BT OFF");
-                maybeConnected = false;
+                mMaybeConnected = false;
                 stopAirPodsScanner();
             }
 
             @Override
-            public void onConnect (BluetoothDevice bluetoothDevice) {
+            public void onConnect(BluetoothDevice bluetoothDevice) {
                 // Airpods filter
                 if (checkUUID(bluetoothDevice)) {
                     // Airpods connected, show notification.
                     Logger.debug("ACL CONNECTED");
-                    maybeConnected = true;
+                    mMaybeConnected = true;
                 }
             }
 
             @Override
-            public void onDisconnect (BluetoothDevice bluetoothDevice) {
+            public void onDisconnect(BluetoothDevice bluetoothDevice) {
                 // Airpods filter
                 if (checkUUID(bluetoothDevice)) {
                     // Airpods disconnected, remove notification but leave the scanner going.
                     Logger.debug("ACL DISCONNECTED");
-                    maybeConnected = false;
+                    mMaybeConnected = false;
                 }
             }
         };
 
         try {
-            registerReceiver(btReceiver, BluetoothReceiver.buildFilter());
+            registerReceiver(mBluetoothReceiver, BluetoothReceiver.buildFilter());
         } catch (Throwable t) {
             Logger.error(t);
         }
@@ -185,12 +183,12 @@ public class PodsService extends Service {
         BluetoothAdapter ba = ((BluetoothManager)Objects.requireNonNull(getSystemService(Context.BLUETOOTH_SERVICE))).getAdapter();
         ba.getProfileProxy(getApplicationContext(), new BluetoothListener() {
             @Override
-            public boolean onConnect (BluetoothDevice device) {
+            public boolean onConnect(BluetoothDevice device) {
                 Logger.debug("BT PROXY SERVICE CONNECTED ");
 
                 if (checkUUID(device)) {
                     Logger.debug("BT PROXY: AIRPODS ALREADY CONNECTED");
-                    maybeConnected = true;
+                    mMaybeConnected = true;
                     return true;
                 }
 
@@ -198,88 +196,95 @@ public class PodsService extends Service {
             }
 
             @Override
-            public void onDisconnect () {
+            public void onDisconnect() {
                 Logger.debug("BT PROXY SERVICE DISCONNECTED ");
-                maybeConnected = false;
+                mMaybeConnected = false;
             }
         }, BluetoothProfile.HEADSET);
 
-        if (ba.isEnabled())
+        // If BT is already on when the app is started, start the scanner without waiting for an event to happen
-            startAirPodsScanner(); // If BT is already on when the app is started, start the scanner without waiting for an event to happen
+        if (ba.isEnabled()) {
+            startAirPodsScanner();
+        }
 
         // Screen on/off listener to suspend scanning when the screen is off, to save battery
         unregisterScreenReceiver();
 
         if (isSavingBattery(getApplicationContext())) {
-            screenReceiver = new ScreenReceiver() {
+            mScreenReceiver = new ScreenReceiver() {
                 @Override
-                public void onStart () {
+                public void onStart() {
                     Logger.debug("SCREEN ON");
                     startAirPodsScanner();
                 }
 
                 @Override
-                public void onStop () {
+                public void onStop() {
                     Logger.debug("SCREEN OFF");
                     stopAirPodsScanner();
                 }
             };
 
             try {
-                registerReceiver(screenReceiver, ScreenReceiver.buildFilter());
+                registerReceiver(mScreenReceiver, ScreenReceiver.buildFilter());
             } catch (Throwable t) {
                 Logger.error(t);
             }
         }
     }
 
-    private static boolean checkUUID (BluetoothDevice bluetoothDevice) {
+    @SuppressLint("MissingPermission")
+    private static boolean checkUUID(BluetoothDevice bluetoothDevice) {
         ParcelUuid[] AIRPODS_UUIDS = {
                 ParcelUuid.fromString("74ec2172-0bad-4d01-8f77-997b2be0722a"),
                 ParcelUuid.fromString("2a72e02b-7b99-778f-014d-ad0b7221ec74")
         };
         ParcelUuid[] uuids = bluetoothDevice.getUuids();
 
-        if (uuids == null)
+        if (uuids == null) {
             return false;
+        }
 
-        for (ParcelUuid u : uuids)
+        for (ParcelUuid u : uuids) {
-            for (ParcelUuid v : AIRPODS_UUIDS)
+            for (ParcelUuid v : AIRPODS_UUIDS) {
-                if (u.equals(v)) return true;
+                if (u.equals(v)) {
+                    return true;
+                }
+            }
+        }
 
         return false;
     }
 
     @Override
-    public void onDestroy () {
+    public void onDestroy() {
         super.onDestroy();
         unregisterBtReceiver();
         unregisterScreenReceiver();
     }
 
     @Override
-    public int onStartCommand (Intent intent, int flags, int startId) {
+    public int onStartCommand(Intent intent, int flags, int startId) {
-        if (n == null || !n.isAlive()) {
+        if (mNotificationThread == null || !mNotificationThread.isAlive()) {
-            n = new NotificationThread(this) {
+            mNotificationThread = new NotificationThread(this) {
                 @Override
-                public boolean isConnected () {
+                public boolean isConnected() {
-                    return maybeConnected;
+                    return mMaybeConnected;
                 }
 
                 @Override
-                public PodsStatus getStatus () {
+                public PodsStatus getStatus() {
-                    return status;
+                    return mStatus;
                 }
             };
-            n.start();
+            mNotificationThread.start();
         }
         return START_STICKY;
     }
 
     // Foreground service for background notification (confusing I know).
     // Only enabled for API30+
-    @RequiresApi(api = Build.VERSION_CODES.O)
+    private Notification createBackgroundNotification() {
-    private Notification createBackgroundNotification () {
         final String notChannelID = "FOREGROUND_ID";
 
         NotificationManager notManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
@@ -304,26 +309,25 @@ public class PodsService extends Service {
         return builder.build();
     }
 
-    private void unregisterBtReceiver () {
+    private void unregisterBtReceiver() {
         try {
-            if (btReceiver != null) {
+            if (mBluetoothReceiver != null) {
-                unregisterReceiver(btReceiver);
+                unregisterReceiver(mBluetoothReceiver);
-                btReceiver = null;
+                mBluetoothReceiver = null;
             }
         } catch (Throwable t) {
             Logger.error(t);
         }
     }
 
-    private void unregisterScreenReceiver () {
+    private void unregisterScreenReceiver() {
         try {
-            if (screenReceiver != null) {
+            if (mScreenReceiver != null) {
-                unregisterReceiver(screenReceiver);
+                unregisterReceiver(mScreenReceiver);
-                screenReceiver = null;
+                mScreenReceiver = null;
             }
         } catch (Throwable t) {
             Logger.error(t);
         }
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/PodsStatus.java

@@ -1,18 +1,19 @@
 package com.dosse.airpods.pods;
 
-import com.dosse.airpods.pods.data.AirPods1;
+import com.dosse.airpods.pods.models.AirPods1;
-import com.dosse.airpods.pods.data.AirPods2;
+import com.dosse.airpods.pods.models.AirPods2;
-import com.dosse.airpods.pods.data.AirPodsMax;
+import com.dosse.airpods.pods.models.AirPods3;
-import com.dosse.airpods.pods.data.AirPodsPro;
+import com.dosse.airpods.pods.models.AirPodsMax;
-import com.dosse.airpods.pods.data.BeatsFlex;
+import com.dosse.airpods.pods.models.AirPodsPro;
-import com.dosse.airpods.pods.data.BeatsSolo3;
+import com.dosse.airpods.pods.models.AirPodsPro2;
-import com.dosse.airpods.pods.data.BeatsStudio3;
+import com.dosse.airpods.pods.models.BeatsFlex;
-import com.dosse.airpods.pods.data.BeatsX;
+import com.dosse.airpods.pods.models.BeatsSolo3;
-import com.dosse.airpods.pods.data.IPods;
+import com.dosse.airpods.pods.models.BeatsStudio3;
-import com.dosse.airpods.pods.data.Pod;
+import com.dosse.airpods.pods.models.BeatsX;
-import com.dosse.airpods.pods.data.Powerbeats3;
+import com.dosse.airpods.pods.models.IPods;
-import com.dosse.airpods.pods.data.PowerbeatsPro;
+import com.dosse.airpods.pods.models.Powerbeats3;
-import com.dosse.airpods.pods.data.RegularPods;
+import com.dosse.airpods.pods.models.PowerbeatsPro;
+import com.dosse.airpods.pods.models.RegularPods;
 
 /**
  * Decoding the beacon:
@@ -26,21 +27,20 @@ import com.dosse.airpods.pods.data.RegularPods;
  * Bit 0 (LSB) is the left pod; Bit 1 is the right pod; Bit 2 is the case. Bit 3 might be case open/closed but I'm not sure and it's not used
  * - The 11th character in the string represents the in-ear detection status. Bit 1 is the left pod; Bit 3 is the right pod.
  * - The 7th character in the string represents the model
- *
+ * <p>
  * Notes:
  * 1) - isFlipped set by bit 1 of 10th character in the string; seems to be related to in-ear detection;
  */
 public class PodsStatus {
-
     public static final PodsStatus DISCONNECTED = new PodsStatus();
 
-    private IPods pods;
+    private IPods mPods;
-    private final long timestamp = System.currentTimeMillis();
+    private final long mTimestamp = System.currentTimeMillis();
 
-    public PodsStatus () {
+    private PodsStatus() {
     }
 
-    public PodsStatus (String status) {
+    public PodsStatus(String status) {
         if (status == null)
             return;
 
@@ -68,49 +68,56 @@ public class PodsStatus {
         Pod casePod = new Pod(caseStatus, chargeCase, false);
         Pod singlePod = new Pod(singleStatus, chargeSingle, false);
 
+        char idSingle = status.charAt(7); // We don't know the full ID for all devices
+        String idFull = status.substring(6, 10);
+
         // Detect which model
-        switch (status.charAt(7)) {
+        if ("0220".equals(idFull)) {
-            case '2': pods = new AirPods1(leftPod, rightPod, casePod); // Airpods 1st gen
+            mPods = new AirPods1(leftPod, rightPod, casePod); // Airpods 1st gen
-                break;
+        } else if ("0F20".equals(idFull)) {
-            case 'F': pods = new AirPods2(leftPod, rightPod, casePod); // Airpods 2nd gen
+            mPods = new AirPods2(leftPod, rightPod, casePod); // Airpods 2nd gen
-                break;
+        } else if ("1320".equals(idFull)) {
-            case 'E': pods = new AirPodsPro(leftPod, rightPod, casePod); // Airpods Pro
+            mPods = new AirPods3(leftPod, rightPod, casePod); // Airpods 3rd gen
-                break;
+        } else if ("0E20".equals(idFull)) {
-            case 'A': pods = new AirPodsMax(singlePod); // Airpods Max
+            mPods = new AirPodsPro(leftPod, rightPod, casePod); // Airpods Pro
-                break;
+        } else if ("1420".equals(idFull) || "2420".equals(idFull)) {
-            case 'B': pods = new PowerbeatsPro(leftPod, rightPod, casePod); // Powerbeats Pro
+            mPods = new AirPodsPro2(leftPod, rightPod, casePod); // Airpods Pro 2
-                break;
+        } else if ('A' == idSingle) {
-            case '5': pods = new BeatsX(singlePod); // Beats X
+            mPods = new AirPodsMax(singlePod); // Airpods Max
-                break;
+        } else if ('B' == idSingle) {
-            case '0': pods = new BeatsFlex(singlePod); // Beats Flex
+            mPods = new PowerbeatsPro(leftPod, rightPod, casePod); // Powerbeats Pro
-                break;
+        } else if ("0520".equals(idFull)) {
-            case '6': pods = new BeatsSolo3(singlePod); // Beats Solo 3
+            mPods = new BeatsX(singlePod); // Beats X
-                break;
+        } else if ("1020".equals(idFull)) {
-            case '9': pods = new BeatsStudio3(singlePod); // Beats Studio 3
+            mPods = new BeatsFlex(singlePod); // Beats Flex
-                break;
+        } else if ("0620".equals(idFull)) {
-            case '3': pods = new Powerbeats3(singlePod); // Powerbeats 3
+            mPods = new BeatsSolo3(singlePod); // Beats Solo 3
-                break;
+        } else if ('9' == idSingle) {
-            default: pods = new RegularPods(leftPod, rightPod, casePod); // Unknown
+            mPods = new BeatsStudio3(singlePod); // Beats Studio 3
+        } else if ("0320".equals(idFull)) {
+            mPods = new Powerbeats3(singlePod); // Powerbeats 3
+        } else {
+            mPods = new RegularPods(leftPod, rightPod, casePod); // Unknown
         }
     }
 
-    public static boolean isFlipped (String str) {
+    public static boolean isFlipped(String str) {
         return (Integer.parseInt("" + str.charAt(10), 16) & 0x02) == 0;
     }
 
-    public IPods getAirpods () {
+    public IPods getAirpods() {
-        return pods;
+        return mPods;
     }
 
-    public boolean isAllDisconnected () {
+    public boolean isAllDisconnected() {
-        if (this == DISCONNECTED)
+        if (this == DISCONNECTED) {
             return true;
+        }
 
-        return pods.isDisconnected();
+        return mPods.isDisconnected();
     }
 
-    public long getTimestamp () {
+    public long getTimestamp() {
-        return timestamp;
+        return mTimestamp;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/PodsStatusScanCallback.java

@@ -24,18 +24,17 @@ import java.util.Objects;
  * - Decode...
  */
 public abstract class PodsStatusScanCallback extends ScanCallback {
+    private static final long RECENT_BEACONS_MAX_T_NS = 10000000000L; //10s
 
-    public static final long RECENT_BEACONS_MAX_T_NS = 10000000000L; //10s
+    private static final int AIRPODS_MANUFACTURER = 76;
+    private static final int AIRPODS_DATA_LENGTH = 27;
+    private static final int MIN_RSSI = -60;
 
-    public static final int AIRPODS_MANUFACTURER = 76;
+    private final List<ScanResult> mRecentBeacons = new ArrayList<>();
-    public static final int AIRPODS_DATA_LENGTH = 27;
-    public static final int MIN_RSSI = -60;
 
-    private final List<ScanResult> recentBeacons = new ArrayList<>();
+    public abstract void onStatus(PodsStatus status);
 
-    public abstract void onStatus (PodsStatus status);
+    public static List<ScanFilter> getScanFilters() {
-
-    public static List<ScanFilter> getScanFilters () {
         byte[] manufacturerData = new byte[AIRPODS_DATA_LENGTH];
         byte[] manufacturerDataMask = new byte[AIRPODS_DATA_LENGTH];
 
@@ -52,18 +51,20 @@ public abstract class PodsStatusScanCallback extends ScanCallback {
     }
 
     @Override
-    public void onBatchScanResults (List<ScanResult> scanResults) {
+    public void onBatchScanResults(List<ScanResult> scanResults) {
-        for (ScanResult result : scanResults)
+        for (ScanResult result : scanResults) {
             onScanResult(-1, result);
+        }
 
         super.onBatchScanResults(scanResults);
     }
 
     @Override
-    public void onScanResult (int callbackType, ScanResult result) {
+    public void onScanResult(int callbackType, ScanResult result) {
         try {
-            if (!isAirpodsResult(result))
+            if (!isAirpodsResult(result)) {
                 return;
+            }
 
             result.getDevice().getAddress();
 
@@ -71,8 +72,9 @@ public abstract class PodsStatusScanCallback extends ScanCallback {
             Logger.debug(decodeResult(result));
 
             result = getBestResult(result);
-            if (result == null || result.getRssi() < MIN_RSSI)
+            if (result == null || result.getRssi() < MIN_RSSI) {
                 return;
+            }
 
             PodsStatus status = new PodsStatus(decodeResult(result));
             onStatus(status);
@@ -81,50 +83,56 @@ public abstract class PodsStatusScanCallback extends ScanCallback {
         }
     }
 
-    private ScanResult getBestResult (ScanResult result) {
+    private ScanResult getBestResult(ScanResult result) {
-        recentBeacons.add(result);
+        mRecentBeacons.add(result);
         ScanResult strongestBeacon = null;
 
-        for (int i = 0; i < recentBeacons.size(); i++) {
+        for (int i = 0; i < mRecentBeacons.size(); i++) {
-            if (SystemClock.elapsedRealtimeNanos() - recentBeacons.get(i).getTimestampNanos() > RECENT_BEACONS_MAX_T_NS) {
+            if (SystemClock.elapsedRealtimeNanos() - mRecentBeacons.get(i).getTimestampNanos() > RECENT_BEACONS_MAX_T_NS) {
-                recentBeacons.remove(i--);
+                mRecentBeacons.remove(i--);
                 continue;
             }
 
-            if (strongestBeacon == null || strongestBeacon.getRssi() < recentBeacons.get(i).getRssi())
+            if (strongestBeacon == null || strongestBeacon.getRssi() < mRecentBeacons.get(i).getRssi()) {
-                strongestBeacon = recentBeacons.get(i);
+                strongestBeacon = mRecentBeacons.get(i);
+            }
         }
 
-        if (strongestBeacon != null && Objects.equals(strongestBeacon.getDevice().getAddress(), result.getDevice().getAddress()))
+        if (strongestBeacon != null && Objects.equals(strongestBeacon.getDevice().getAddress(), result.getDevice().getAddress())) {
             strongestBeacon = result;
+        }
 
         return strongestBeacon;
     }
 
-    private static boolean isAirpodsResult (ScanResult result) {
+    private static boolean isAirpodsResult(ScanResult result) {
-        return result != null && result.getScanRecord() != null && isDataValid(result.getScanRecord().getManufacturerSpecificData(AIRPODS_MANUFACTURER));
+        return result != null
+                && result.getScanRecord() != null
+                && isDataValid(result.getScanRecord().getManufacturerSpecificData(AIRPODS_MANUFACTURER));
     }
 
-    private static boolean isDataValid (byte[] data) {
+    private static boolean isDataValid(byte[] data) {
         return data != null && data.length == AIRPODS_DATA_LENGTH;
     }
 
-    private static String decodeResult (ScanResult result) {
+    private static String decodeResult(ScanResult result) {
         if (result != null && result.getScanRecord() != null) {
             byte[] data = result.getScanRecord().getManufacturerSpecificData(AIRPODS_MANUFACTURER);
-            if (isDataValid(data))
+            if (isDataValid(data)) {
                 return decodeHex(data);
+            }
         }
+
         return null;
     }
 
-    public static String decodeHex (byte[] bArr) {
+    private static String decodeHex(byte[] byteArray) {
         StringBuilder ret = new StringBuilder();
 
-        for (byte b : bArr)
+        for (byte b : byteArray) {
             ret.append(String.format("%02X", b));
+        }
 
         return ret.toString();
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/AirPods1.java

@@ -0,0 +1,14 @@
+package com.dosse.airpods.pods.models;
+
+import com.dosse.airpods.pods.Pod;
+
+public class AirPods1 extends RegularPods {
+    public AirPods1(Pod leftPod, Pod rightPod, Pod casePod) {
+        super(leftPod, rightPod, casePod);
+    }
+
+    @Override
+    public String getModel() {
+        return Constants.MODEL_AIRPODS_GEN1;
+    }
+}

app/src/main/java/com/dosse/airpods/pods/models/AirPods2.java

@@ -0,0 +1,14 @@
+package com.dosse.airpods.pods.models;
+
+import com.dosse.airpods.pods.Pod;
+
+public class AirPods2 extends RegularPods {
+    public AirPods2(Pod leftPod, Pod rightPod, Pod casePod) {
+        super(leftPod, rightPod, casePod);
+    }
+
+    @Override
+    public String getModel() {
+        return Constants.MODEL_AIRPODS_GEN2;
+    }
+}

app/src/main/java/com/dosse/airpods/pods/models/AirPods3.java

@@ -0,0 +1,14 @@
+package com.dosse.airpods.pods.models;
+
+import com.dosse.airpods.pods.Pod;
+
+public class AirPods3 extends RegularPods {
+    public AirPods3(Pod leftPod, Pod rightPod, Pod casePod) {
+        super(leftPod, rightPod, casePod);
+    }
+
+    @Override
+    public String getModel() {
+        return Constants.MODEL_AIRPODS_GEN3;
+    }
+}

app/src/main/java/com/dosse/airpods/pods/models/AirPodsMax.java

@@ -1,21 +1,20 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class AirPodsMax extends SinglePods {
-
+    public AirPodsMax(Pod singlePod) {
-    public AirPodsMax (Pod singlePod) {
         super(singlePod);
     }
 
     @Override
-    public int getDrawable () {
+    public int getDrawable() {
         return getPod().isConnected() ? R.drawable.podmax : R.drawable.podmax_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_AIRPODS_MAX;
+        return Constants.MODEL_AIRPODS_MAX;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/AirPodsPro.java

@@ -1,31 +1,30 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class AirPodsPro extends RegularPods {
-
+    public AirPodsPro(Pod leftPod, Pod rightPod, Pod casePod) {
-    public AirPodsPro (Pod leftPod, Pod rightPod, Pod casePod) {
         super(leftPod, rightPod, casePod);
     }
 
     @Override
-    public int getLeftDrawable () {
+    public int getLeftDrawable() {
         return getPod(LEFT).isConnected() ? R.drawable.podpro : R.drawable.podpro_disconnected;
     }
 
     @Override
-    public int getRightDrawable () {
+    public int getRightDrawable() {
         return getPod(RIGHT).isConnected() ? R.drawable.podpro : R.drawable.podpro_disconnected;
     }
 
     @Override
-    public int getCaseDrawable () {
+    public int getCaseDrawable() {
         return getPod(CASE).isConnected() ? R.drawable.podpro_case : R.drawable.podpro_case_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_AIRPODS_PRO;
+        return Constants.MODEL_AIRPODS_PRO;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/AirPodsPro2.java

@@ -0,0 +1,14 @@
+package com.dosse.airpods.pods.models;
+
+import com.dosse.airpods.pods.Pod;
+
+public class AirPodsPro2 extends AirPodsPro {
+    public AirPodsPro2(Pod leftPod, Pod rightPod, Pod casePod) {
+        super(leftPod, rightPod, casePod);
+    }
+
+    @Override
+    public String getModel() {
+        return Constants.MODEL_AIRPODS_PRO_2;
+    }
+}

app/src/main/java/com/dosse/airpods/pods/models/BeatsFlex.java

@@ -1,21 +1,20 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class BeatsFlex extends SinglePods {
-
+    public BeatsFlex(Pod singlePod) {
-    public BeatsFlex (Pod singlePod) {
         super(singlePod);
     }
 
     @Override
-    public int getDrawable () {
+    public int getDrawable() {
         return getPod().isConnected() ? R.drawable.beatsflex : R.drawable.beatsflex_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_BEATS_FLEX;
+        return Constants.MODEL_BEATS_FLEX;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/BeatsSolo3.java

@@ -1,21 +1,20 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class BeatsSolo3 extends SinglePods {
-
+    public BeatsSolo3(Pod singlePod) {
-    public BeatsSolo3 (Pod singlePod) {
         super(singlePod);
     }
 
     @Override
-    public int getDrawable () {
+    public int getDrawable() {
         return getPod().isConnected() ? R.drawable.beatssolo3 : R.drawable.beatssolo3_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_BEATS_SOLO_3;
+        return Constants.MODEL_BEATS_SOLO_3;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/BeatsStudio3.java

@@ -1,21 +1,20 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class BeatsStudio3 extends SinglePods {
-
+    public BeatsStudio3(Pod singlePod) {
-    public BeatsStudio3 (Pod singlePod) {
         super(singlePod);
     }
 
     @Override
-    public int getDrawable () {
+    public int getDrawable() {
         return getPod().isConnected() ? R.drawable.beatsstudio3 : R.drawable.beatsstudio3_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_BEATS_STUDIO_3;
+        return Constants.MODEL_BEATS_STUDIO_3;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/BeatsX.java

@@ -1,21 +1,20 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class BeatsX extends SinglePods {
-
+    public BeatsX(Pod singlePod) {
-    public BeatsX (Pod singlePod) {
         super(singlePod);
     }
 
     @Override
-    public int getDrawable () {
+    public int getDrawable() {
         return getPod().isConnected() ? R.drawable.beatsx : R.drawable.beatsx_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_BEATS_X;
+        return Constants.MODEL_BEATS_X;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/Constants.java

@@ -0,0 +1,17 @@
+package com.dosse.airpods.pods.models;
+
+public final class Constants {
+    static final String MODEL_AIRPODS_GEN1 = "airpods1";
+    static final String MODEL_AIRPODS_GEN2 = "airpods2";
+    static final String MODEL_AIRPODS_GEN3 = "airpods3";
+    static final String MODEL_AIRPODS_PRO = "airpodspro";
+    static final String MODEL_AIRPODS_PRO_2 = "airpodspro2";
+    static final String MODEL_AIRPODS_MAX = "airpodsmax";
+    static final String MODEL_BEATS_X = "beatsx";
+    static final String MODEL_BEATS_FLEX = "beatsflex";
+    static final String MODEL_BEATS_SOLO_3 = "beatssolo3";
+    static final String MODEL_BEATS_STUDIO_3 = "beatsstudio3";
+    static final String MODEL_POWERBEATS_3 = "powerbeats3";
+    static final String MODEL_POWERBEATS_PRO = "powerbeatspro";
+    static final String MODEL_UNKNOWN = "unknown";
+}

app/src/main/java/com/dosse/airpods/pods/models/IPods.java

@@ -0,0 +1,11 @@
+package com.dosse.airpods.pods.models;
+
+public interface IPods {
+    String getModel();
+
+    boolean isSingle();
+
+    boolean isDisconnected();
+
+    String parseStatusForLogger();
+}

app/src/main/java/com/dosse/airpods/pods/models/Powerbeats3.java

@@ -1,21 +1,20 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class Powerbeats3 extends SinglePods {
-
+    public Powerbeats3(Pod singlePod) {
-    public Powerbeats3 (Pod singlePod) {
         super(singlePod);
     }
 
     @Override
-    public int getDrawable () {
+    public int getDrawable() {
         return getPod().isConnected() ? R.drawable.powerbeats3 : R.drawable.powerbeats3_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_POWERBEATS_3;
+        return Constants.MODEL_POWERBEATS_3;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/PowerbeatsPro.java

@@ -1,31 +1,30 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 public class PowerbeatsPro extends RegularPods {
-
+    public PowerbeatsPro(Pod leftPod, Pod rightPod, Pod casePod) {
-    public PowerbeatsPro (Pod leftPod, Pod rightPod, Pod casePod) {
         super(leftPod, rightPod, casePod);
     }
 
     @Override
-    public int getLeftDrawable () {
+    public int getLeftDrawable() {
         return getPod(LEFT).isConnected() ? R.drawable.powerbeatspro : R.drawable.powerbeatspro_disconnected;
     }
 
     @Override
-    public int getRightDrawable () {
+    public int getRightDrawable() {
         return getPod(RIGHT).isConnected() ? R.drawable.powerbeatspro : R.drawable.powerbeatspro_disconnected;
     }
 
     @Override
-    public int getCaseDrawable () {
+    public int getCaseDrawable() {
         return getPod(CASE).isConnected() ? R.drawable.powerbeatspro_case : R.drawable.powerbeatspro_case_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_POWERBEATS_PRO;
+        return Constants.MODEL_POWERBEATS_PRO;
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/RegularPods.java

@@ -1,74 +1,73 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
 
 import com.dosse.airpods.R;
+import com.dosse.airpods.pods.Pod;
 
 import java.util.Locale;
 
 public class RegularPods implements IPods {
-
     public static final int LEFT = 0, RIGHT = 1, CASE = 2;
 
     private final Pod[] pods;
 
-    public RegularPods (Pod leftPod, Pod rightPod, Pod casePod) {
+    public RegularPods(Pod leftPod, Pod rightPod, Pod casePod) {
         this.pods = new Pod[] {leftPod, rightPod, casePod};
     }
 
-    public Pod getPod (int pos) {
+    public Pod getPod(int pos) {
         return pods[pos];
     }
 
-    public String getParsedStatus (int pos) {
+    public String getParsedStatus(int pos) {
         return pods[pos].parseStatus();
     }
 
-    public int getInEarVisibility (int pos) {
+    public int getInEarVisibility(int pos) {
         return pods[pos].inEarVisibility();
     }
 
-    public int getBatImgVisibility (int pos) {
+    public int getBatImgVisibility(int pos) {
         return pods[pos].batImgVisibility();
     }
 
-    public int getBatImgSrcId (int pos) {
+    public int getBatImgSrcId(int pos) {
         return pods[pos].batImgSrcId();
     }
 
-    public int getLeftDrawable () {
+    public int getLeftDrawable() {
         return getPod(LEFT).isConnected() ? R.drawable.pod : R.drawable.pod_disconnected;
     }
 
-    public int getRightDrawable () {
+    public int getRightDrawable() {
         return getPod(RIGHT).isConnected() ? R.drawable.pod : R.drawable.pod_disconnected;
     }
 
-    public int getCaseDrawable () {
+    public int getCaseDrawable() {
         return getPod(CASE).isConnected() ? R.drawable.pod_case : R.drawable.pod_case_disconnected;
     }
 
     @Override
-    public String getModel () {
+    public String getModel() {
-        return MODEL_UNKNOWN;
+        return Constants.MODEL_UNKNOWN;
     }
 
     @Override
-    public boolean isSingle () {
+    public boolean isSingle() {
         return false;
     }
 
     @Override
-    public boolean isDisconnected () {
+    public boolean isDisconnected() {
         return pods[LEFT].isDisconnected() &&
                 pods[RIGHT].isDisconnected() &&
                 pods[CASE].isDisconnected();
     }
 
     @Override
-    public String parseStatusForLogger () {
+    public String parseStatusForLogger() {
         return String.format(Locale.getDefault(), "Left: %d%s%s Right: %d%s%s Case: %d%s Model: %s",
                 pods[LEFT].getStatus(), pods[LEFT].isCharging() ? "+" : "", pods[LEFT].isInEar() ? "$" : "",
                 pods[RIGHT].getStatus(), pods[RIGHT].isCharging() ? "+" : "", pods[RIGHT].isInEar() ? "$" : "",
                 pods[CASE].getStatus(), pods[CASE].isCharging() ? "+" : "", getModel());
     }
-
 }

app/src/main/java/com/dosse/airpods/pods/models/SinglePods.java

@@ -1,46 +1,46 @@
-package com.dosse.airpods.pods.data;
+package com.dosse.airpods.pods.models;
+
+import com.dosse.airpods.pods.Pod;
 
 import java.util.Locale;
 
 public abstract class SinglePods implements IPods {
-
+    public abstract int getDrawable();
-    public abstract int getDrawable ();
 
     private final Pod pod;
 
-    public SinglePods (Pod pod) {
+    public SinglePods(Pod pod) {
         this.pod = pod;
     }
 
-    public Pod getPod () {
+    public Pod getPod() {
         return pod;
     }
 
-    public String getParsedStatus () {
+    public String getParsedStatus() {
         return pod.parseStatus();
     }
 
-    public int getBatImgVisibility () {
+    public int getBatImgVisibility() {
         return pod.batImgVisibility();
     }
 
-    public int getBatImgSrcId () {
+    public int getBatImgSrcId() {
         return pod.batImgSrcId();
     }
 
     @Override
-    public boolean isSingle () {
+    public boolean isSingle() {
         return true;
     }
 
     @Override
-    public boolean isDisconnected () {
+    public boolean isDisconnected() {
         return pod.isDisconnected();
     }
 
     @Override
-    public String parseStatusForLogger () {
+    public String parseStatusForLogger() {
         return String.format(Locale.getDefault(), "Battery: %d%s Model: %s", pod.getStatus(), pod.isCharging() ? "+" : "", getModel());
     }
-
 }

app/src/main/java/com/dosse/airpods/receivers/BluetoothListener.java

@@ -0,0 +1,30 @@
+package com.dosse.airpods.receivers;
+
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothProfile;
+
+public abstract class BluetoothListener implements BluetoothProfile.ServiceListener {
+    public abstract boolean onConnect(BluetoothDevice bluetoothDevice);
+
+    public abstract void onDisconnect();
+
+    @Override
+    public void onServiceConnected(int profile, BluetoothProfile bluetoothProfile) {
+        if (profile != BluetoothProfile.HEADSET) {
+            return;
+        }
+
+        for (BluetoothDevice device : bluetoothProfile.getConnectedDevices()) {
+            if (onConnect(device)) {
+                break;
+            }
+        }
+    }
+
+    @Override
+    public void onServiceDisconnected(int profile) {
+        if (profile == BluetoothProfile.HEADSET) {
+            onDisconnect();
+        }
+    }
+}

app/src/main/java/com/dosse/airpods/receivers/BluetoothReceiver.java

@@ -8,20 +8,19 @@ import android.content.Intent;
 import android.content.IntentFilter;
 
 public abstract class BluetoothReceiver extends BroadcastReceiver {
+    public abstract void onStart();
 
-    public abstract void onStart ();
+    public abstract void onStop();
 
-    public abstract void onStop ();
+    public abstract void onConnect(BluetoothDevice bluetoothDevice);
 
-    public abstract void onConnect (BluetoothDevice bluetoothDevice);
+    public abstract void onDisconnect(BluetoothDevice bluetoothDevice);
-
-    public abstract void onDisconnect (BluetoothDevice bluetoothDevice);
 
     /**
      * When the service is created, we register to get as many bluetooth and airpods related events as possible.
      * ACL_CONNECTED and ACL_DISCONNECTED should have been enough, but you never know with android these days.
      */
-    public static IntentFilter buildFilter () {
+    public static IntentFilter buildFilter() {
         IntentFilter intentFilter = new IntentFilter();
         intentFilter.addAction("android.bluetooth.device.action.ACL_CONNECTED");
         intentFilter.addAction("android.bluetooth.device.action.ACL_DISCONNECTED");
@@ -38,7 +37,7 @@ public abstract class BluetoothReceiver extends BroadcastReceiver {
     }
 
     @Override
-    public void onReceive (Context context, Intent intent) {
+    public void onReceive(Context context, Intent intent) {
         BluetoothDevice bluetoothDevice = intent.getParcelableExtra("android.bluetooth.device.extra.DEVICE");
         String action = intent.getAction();
 
@@ -46,24 +45,28 @@ public abstract class BluetoothReceiver extends BroadcastReceiver {
             int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
 
             // Bluetooth turned off, stop scanner and remove notification.
-            if (state == BluetoothAdapter.STATE_OFF || state == BluetoothAdapter.STATE_TURNING_OFF)
+            if (state == BluetoothAdapter.STATE_OFF || state == BluetoothAdapter.STATE_TURNING_OFF) {
                 onStop();
+            }
 
             // Bluetooth turned on, start/restart scanner.
-            if (state == BluetoothAdapter.STATE_ON)
+            if (state == BluetoothAdapter.STATE_ON) {
                 onStart();
+            }
         }
 
         // Airpods filter
         if (bluetoothDevice != null && action != null && !action.isEmpty()) {
             // Airpods connected, show notification.
-            if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action))
+            if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
                 onConnect(bluetoothDevice);
+            }
 
             // Airpods disconnected, remove notification but leave the scanner going.
-            if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action) || BluetoothDevice.ACTION_ACL_DISCONNECT_REQUESTED.equals(action))
+            if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)
+                    || BluetoothDevice.ACTION_ACL_DISCONNECT_REQUESTED.equals(action)) {
                 onDisconnect(bluetoothDevice);
+            }
         }
     }
-
 }

app/src/main/java/com/dosse/airpods/receivers/ScreenReceiver.java

@@ -5,27 +5,31 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 
+import java.util.Objects;
+
 public abstract class ScreenReceiver extends BroadcastReceiver {
+    public abstract void onStart();
 
-    public abstract void onStart ();
+    public abstract void onStop();
 
-    public abstract void onStop ();
+    public static IntentFilter buildFilter() {
-
-    public static IntentFilter buildFilter () {
         IntentFilter screenIntentFilter = new IntentFilter();
+
         screenIntentFilter.addAction(Intent.ACTION_SCREEN_ON);
         screenIntentFilter.addAction(Intent.ACTION_SCREEN_OFF);
+
         return screenIntentFilter;
     }
 
     @Override
-    public void onReceive (Context context, Intent intent) {
+    public void onReceive(Context context, Intent intent) {
-        switch (intent.getAction()) {
+        switch (Objects.requireNonNull(intent.getAction())) {
-            case Intent.ACTION_SCREEN_OFF: onStop();
+            case Intent.ACTION_SCREEN_OFF:
+                onStop();
                 break;
-            case Intent.ACTION_SCREEN_ON: onStart();
+            case Intent.ACTION_SCREEN_ON:
+                onStart();
                 break;
         }
     }
-
 }

app/src/main/java/com/dosse/airpods/receivers/StartupReceiver.java

@@ -3,7 +3,6 @@ package com.dosse.airpods.receivers;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.os.Build;
 
 import com.dosse.airpods.pods.PodsService;
 
@@ -13,9 +12,8 @@ import java.util.Objects;
  * A simple startup class that starts the service when the device is booted, or after an update
  */
 public class StartupReceiver extends BroadcastReceiver {
-
     @Override
-    public void onReceive (Context context, Intent intent) {
+    public void onReceive(Context context, Intent intent) {
         switch (Objects.requireNonNull(intent.getAction())) {
             case Intent.ACTION_MY_PACKAGE_REPLACED:
             case Intent.ACTION_BOOT_COMPLETED:
@@ -24,14 +22,11 @@ public class StartupReceiver extends BroadcastReceiver {
         }
     }
 
-    public static void startPodsService (Context context) {
+    public static void startPodsService(Context context) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
+        context.startForegroundService(new Intent(context, PodsService.class));
-            context.startForegroundService(new Intent(context, PodsService.class));
-        else
-            context.startService(new Intent(context, PodsService.class));
     }
 
-    public static void restartPodsService (Context context) {
+    public static void restartPodsService(Context context) {
         context.stopService(new Intent(context, PodsService.class));
         try {
             Thread.sleep(500);
@@ -39,5 +34,4 @@ public class StartupReceiver extends BroadcastReceiver {
         }
         startPodsService(context);
     }
-
 }

app/src/main/java/com/dosse/airpods/ui/AboutActivity.java

@@ -10,9 +10,8 @@ import androidx.appcompat.app.AppCompatActivity;
 import com.dosse.airpods.R;
 
 public class AboutActivity extends AppCompatActivity {
-
     @Override
-    protected void onCreate (Bundle savedInstanceState) {
+    protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_about);
 
@@ -42,5 +41,4 @@ public class AboutActivity extends AppCompatActivity {
 
         // ------------ END OF LEGAL DANGER ZONE ------------ //
     }
-
 }

app/src/main/java/com/dosse/airpods/ui/IntroActivity.java

@@ -0,0 +1,194 @@
+package com.dosse.airpods.ui;
+
+import android.Manifest;
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.dosse.airpods.R;
+import com.dosse.airpods.utils.PermissionUtils;
+
+import java.util.Locale;
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class IntroActivity extends AppCompatActivity {
+    private static final int STEP_PERMISSION_BLUETOOTH = 1;
+    private static final int STEP_PERMISSION_BATTERY_OPTIMIZATION = 2;
+    private static final int STEP_PERMISSION_LOCATION = 3;
+    private static final int STEP_PERMISSION_BACKGROUND_LOCATION = 4;
+    private static final int STEP_PERMISSION_NOTIFICATION = 5;
+
+    private static final int BLUETOOTH_REQUEST_CODE = 101;
+    private static final int LOCATION_REQUEST_CODE = 102;
+    private static final int BACKGROUND_LOCATION_REQUEST_CODE = 103;
+    private static final int NOTIFICATION_REQUEST_CODE = 104;
+
+    private Timer mTimer;
+    private TextView mPermissionsMessage;
+    private Button mPermissionsButton;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_intro);
+
+        mPermissionsMessage = findViewById(R.id.permsMsg);
+        mPermissionsButton = findViewById(R.id.permsBtn);
+
+        // Wait for permissions to be granted.
+        // When they are granted, go to MainActivity.
+        mTimer = new Timer();
+        mTimer.scheduleAtFixedRate(new TimerTask() {
+            @Override
+            public void run() {
+                initScreen();
+
+                if (PermissionUtils.checkAllPermissions(IntroActivity.this)) {
+                    mTimer.cancel();
+                    startActivity(new Intent(IntroActivity.this, MainActivity.class));
+                    finish();
+                }
+            }
+        }, 0, 100);
+
+    }
+
+    // Activity destroyed (or screen rotated). destroy the timer too
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (mTimer != null)
+            mTimer.cancel();
+    }
+
+    private int getPermissionState() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && !PermissionUtils.getBluetoothPermissions(this)) {
+            return STEP_PERMISSION_BLUETOOTH;
+        }
+        if (!PermissionUtils.getBatteryOptimizationsPermission(this)) {
+            return STEP_PERMISSION_BATTERY_OPTIMIZATION;
+        }
+        if (!PermissionUtils.getFineLocationPermission(this)) {
+            return STEP_PERMISSION_LOCATION;
+        }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && !PermissionUtils.getBackgroundLocationPermission(this)) {
+            return STEP_PERMISSION_BACKGROUND_LOCATION;
+        }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU && !PermissionUtils.getNotificationPermissions(this)) {
+            return STEP_PERMISSION_NOTIFICATION;
+        }
+
+        return 0;
+    }
+
+    @SuppressLint("BatteryLife")
+    private void initScreen() {
+        int currentStep = getPermissionState() - ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) ? 0 : 1);
+
+        runOnUiThread(() -> {
+            switch (getPermissionState()) {
+                case STEP_PERMISSION_BLUETOOTH:
+                    mPermissionsMessage.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, getNumberOfSteps(), getString(R.string.intro_bt_perm)));
+                    mPermissionsButton.setOnClickListener(view -> {
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+                            requestPermissions(new String[] {Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT}, BLUETOOTH_REQUEST_CODE);
+                        }
+                    });
+                    break;
+                case STEP_PERMISSION_BATTERY_OPTIMIZATION:
+                    mPermissionsMessage.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, getNumberOfSteps(), getString(R.string.intro_bat_perm)));
+                    mPermissionsButton.setOnClickListener(view -> {
+                        Intent intent = new Intent();
+                        getSystemService(Context.POWER_SERVICE);
+                        intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
+                        intent.setData(Uri.parse("package:" + getPackageName()));
+                        startActivity(intent);
+                    });
+                    break;
+                case STEP_PERMISSION_LOCATION:
+                    mPermissionsMessage.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, getNumberOfSteps(), getString(R.string.intro_loc1_perm)));
+                    mPermissionsButton.setOnClickListener(view -> requestPermissions(new String[] {Manifest.permission.ACCESS_FINE_LOCATION}, LOCATION_REQUEST_CODE)); // Location (for BLE)
+                    break;
+                case STEP_PERMISSION_BACKGROUND_LOCATION:
+                    mPermissionsMessage.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, getNumberOfSteps(), getString(R.string.intro_loc2_perm)));
+                    mPermissionsButton.setOnClickListener(view -> {
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                            requestPermissions(new String[] {Manifest.permission.ACCESS_BACKGROUND_LOCATION}, BACKGROUND_LOCATION_REQUEST_CODE);
+                        }
+                    });
+                    break;
+                case STEP_PERMISSION_NOTIFICATION:
+                    mPermissionsMessage.setText(String.format(Locale.getDefault(), "%s %d/%d: %s", getString(R.string.intro_step), currentStep, getNumberOfSteps(), getString(R.string.intro_notif_perm)));
+                    mPermissionsButton.setOnClickListener(view -> {
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                            requestPermissions(new String[] {Manifest.permission.POST_NOTIFICATIONS}, NOTIFICATION_REQUEST_CODE);
+                        }
+                    });
+            }
+            mPermissionsButton.setText(String.format(Locale.getDefault(), "%s (%d/%d)", getString(R.string.intro_allow), currentStep, getNumberOfSteps()));
+        });
+    }
+
+    private int getNumberOfSteps() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            return 5;
+        }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            return 4;
+        }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            return 3;
+        }
+
+        return 2;
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        switch (requestCode) {
+            case BLUETOOTH_REQUEST_CODE:
+                if (!hasAllPermissionsGranted(grantResults)) {
+                    Toast.makeText(this, getString(R.string.msg_bt_perm), Toast.LENGTH_LONG).show();
+                }
+                break;
+            case LOCATION_REQUEST_CODE:
+                if (!hasAllPermissionsGranted(grantResults)) {
+                    Toast.makeText(this, getString(R.string.msg_loc1_perm), Toast.LENGTH_LONG).show();
+                }
+                break;
+            case BACKGROUND_LOCATION_REQUEST_CODE:
+                if (!hasAllPermissionsGranted(grantResults)) {
+                    Toast.makeText(this, getString(R.string.msg_loc2_perm), Toast.LENGTH_LONG).show();
+                }
+                break;
+            case NOTIFICATION_REQUEST_CODE:
+                if (!hasAllPermissionsGranted(grantResults)) {
+                    Toast.makeText(this, getString(R.string.msg_notif_perm), Toast.LENGTH_LONG).show();
+                }
+                break;
+        }
+    }
+
+    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
+    public boolean hasAllPermissionsGranted(@NonNull int[] grantResults) {
+        for (int grantResult : grantResults) {
+            if (grantResult == PackageManager.PERMISSION_DENIED) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

app/src/main/java/com/dosse/airpods/ui/MainActivity.java

@@ -19,9 +19,8 @@ import com.dosse.airpods.utils.PermissionUtils;
 import java.util.Objects;
 
 public class MainActivity extends AppCompatActivity {
-
     @Override
-    protected void onCreate (Bundle savedInstanceState) {
+    protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
@@ -30,6 +29,7 @@ public class MainActivity extends AppCompatActivity {
         if (btAdapter == null || (btAdapter.isEnabled() && btAdapter.getBluetoothLeScanner() == null) || (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE))) {
             startActivity(new Intent(MainActivity.this, NoBTActivity.class));
             finish();
+
             return;
         }
 
@@ -44,18 +44,18 @@ public class MainActivity extends AppCompatActivity {
     }
 
     @Override
-    public boolean onCreateOptionsMenu (Menu menu) {
+    public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.menu_main, menu);
         return true;
     }
 
     @Override
-    public boolean onOptionsItemSelected (@NonNull MenuItem item) {
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         if (item.getItemId() == R.id.menu_ab_settings) {
             startActivity(new Intent(this, SettingsActivity.class)); // Settings icon clicked
             return true;
         }
+
         return false;
     }
-
 }

app/src/main/java/com/dosse/airpods/ui/NoBTActivity.java

@@ -6,11 +6,9 @@ import androidx.appcompat.app.AppCompatActivity;
 import com.dosse.airpods.R;
 
 public class NoBTActivity extends AppCompatActivity {
-
     @Override
-    protected void onCreate (Bundle savedInstanceState) {
+    protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_no_bt);
     }
-
 }

app/src/main/java/com/dosse/airpods/ui/SettingsActivity.java

@@ -11,9 +11,8 @@ import com.dosse.airpods.R;
 import com.dosse.airpods.receivers.StartupReceiver;
 
 public class SettingsActivity extends AppCompatActivity {
-
     @Override
-    protected void onCreate (Bundle savedInstanceState) {
+    protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_settings);
         getSupportFragmentManager()
@@ -23,9 +22,8 @@ public class SettingsActivity extends AppCompatActivity {
     }
 
     public static class SettingsFragment extends PreferenceFragmentCompat {
-
         @Override
-        public void onCreatePreferences (Bundle savedInstanceState, String rootKey) {
+        public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
             setPreferencesFromResource(R.xml.preference_screen, rootKey);
 
             getPreference("batterySaver").setOnPreferenceClickListener(preference -> {
@@ -46,10 +44,8 @@ public class SettingsActivity extends AppCompatActivity {
             });
         }
 
-        private Preference getPreference (String key) {
+        private Preference getPreference(String key) {
             return getPreferenceManager().findPreference(key);
         }
-
     }
-
 }

app/src/main/java/com/dosse/airpods/utils/Logger.java

@@ -5,17 +5,19 @@ import android.util.Log;
 import com.dosse.airpods.BuildConfig;
 
 public class Logger {
-
     // Log is only displayed if this is a debug build, not release
     private static final boolean ENABLE_LOGGING = BuildConfig.DEBUG;
     public static final String TAG = "AirPods";
 
-    public static void debug (String msg) {
+    public static void debug(String msg) {
-        if (ENABLE_LOGGING) Log.d(TAG, msg);
+        if (ENABLE_LOGGING) {
+            Log.d(TAG, msg);
+        }
     }
 
-    public static void error (Throwable t) {
+    public static void error(Throwable t) {
-        if (ENABLE_LOGGING) Log.e(TAG, "ERROR", t);
+        if (ENABLE_LOGGING) {
+            Log.e(TAG, "ERROR", t);
+        }
     }
-
 }

app/src/main/java/com/dosse/airpods/utils/MIUIWarning.java

@@ -0,0 +1,52 @@
+package com.dosse.airpods.utils;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import androidx.appcompat.app.AlertDialog;
+
+import com.dosse.airpods.R;
+
+import java.lang.reflect.Method;
+
+public class MIUIWarning {
+    public static void show(Context context) {
+        Context appContext = context.getApplicationContext();
+
+        try {
+            String miuiVersion = getMiuiVersion();
+            if (miuiVersion == null || miuiVersion.isEmpty()) {
+                return;
+            }
+
+            try {
+                appContext.openFileInput("miuiwarn").close();
+            } catch (Throwable ignored) {
+                showAlertDialog(appContext);
+            }
+        } catch (Throwable ignored) {
+        }
+    }
+
+    @SuppressLint("PrivateApi")
+    private static String getMiuiVersion() throws ReflectiveOperationException {
+        Class<?> systemPropertiesClazz = Class.forName("android.os.SystemProperties");
+        Method systemPropertiesGet = systemPropertiesClazz.getMethod("get", String.class);
+        systemPropertiesGet.setAccessible(true);
+
+        return (String)systemPropertiesGet.invoke(null, "ro.miui.ui.version.code");
+    }
+
+    private static void showAlertDialog(Context context) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        builder.setTitle(R.string.miui_warning);
+        builder.setMessage(R.string.miui_warning_desc);
+        builder.setNeutralButton(R.string.miui_warning_continue, (dialog, which) -> dialog.dismiss());
+        builder.setOnDismissListener(dialog -> {
+            try {
+                context.openFileOutput("miuiwarn", Context.MODE_PRIVATE).close();
+            } catch (Throwable ignored2) {
+            }
+        });
+        builder.show();
+    }
+}

app/src/main/java/com/dosse/airpods/utils/PermissionUtils.java

@@ -0,0 +1,56 @@
+package com.dosse.airpods.utils;
+
+import android.Manifest;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.os.PowerManager;
+import androidx.annotation.RequiresApi;
+
+import static androidx.core.content.ContextCompat.checkSelfPermission;
+
+public class PermissionUtils {
+    public static boolean getBatteryOptimizationsPermission(Context context) {
+        return context.getSystemService(PowerManager.class).isIgnoringBatteryOptimizations(context.getPackageName());
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.TIRAMISU)
+    public static boolean getNotificationPermissions(Context context) {
+        return checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.S)
+    public static boolean getBluetoothPermissions(Context context) {
+        return checkSelfPermission(context, Manifest.permission.BLUETOOTH_SCAN) == PackageManager.PERMISSION_GRANTED
+                && checkSelfPermission(context, Manifest.permission.BLUETOOTH_CONNECT) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    public static boolean getFineLocationPermission(Context context) {
+        return checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.Q)
+    public static boolean getBackgroundLocationPermission(Context context) {
+        return checkSelfPermission(context, Manifest.permission.ACCESS_BACKGROUND_LOCATION) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    public static boolean getLocationPermissions(Context context) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            return getFineLocationPermission(context) && getBackgroundLocationPermission(context);
+        }
+
+        return getFineLocationPermission(context);
+    }
+
+    public static boolean checkAllPermissions(Context context) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            return getNotificationPermissions(context) && getBatteryOptimizationsPermission(context) && getLocationPermissions(context) && getBluetoothPermissions(context);
+        }
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+            return getBatteryOptimizationsPermission(context) && getLocationPermissions(context);
+        }
+
+        return getBatteryOptimizationsPermission(context) && getLocationPermissions(context) && getBluetoothPermissions(context);
+    }
+}

app/src/main/java/com/dosse/airpods/utils/SharedPreferencesUtils.java

@@ -5,10 +5,8 @@ import android.content.SharedPreferences;
 import androidx.preference.PreferenceManager;
 
 public class SharedPreferencesUtils {
-
+    public static boolean isSavingBattery(Context context) {
-    public static boolean isSavingBattery (Context context) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         return prefs.getBoolean("batterySaver", false);
     }
-
 }