Add configurable minimum signal quality

app/src/main/java/eu/darken/capod/common/UIConverter.kt

@@ -0,0 +1,22 @@
+package eu.darken.capod.common
+
+import android.content.Context
+import android.util.TypedValue
+
+object UIConverter {
+    fun convertDpToPixels(context: Context, dp: Float): Int {
+        return TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP,
+            dp,
+            context.resources.displayMetrics
+        ).toInt()
+    }
+
+    fun convertSpToPixels(context: Context, sp: Float): Int {
+        return TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_SP,
+            sp,
+            context.resources.displayMetrics
+        ).toInt()
+    }
+}

app/src/main/java/eu/darken/capod/common/preferences/PercentSliderPreference.kt

@@ -0,0 +1,100 @@
+package eu.darken.capod.common.preferences
+
+import android.content.Context
+import android.content.res.TypedArray
+import android.os.Parcelable
+import android.util.AttributeSet
+import androidx.annotation.PluralsRes
+import androidx.preference.DialogPreference
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
+import eu.darken.capod.R
+import eu.darken.capod.common.preferences.PercentSliderPreferenceDialogFragment.Companion.newInstance
+import kotlinx.parcelize.Parcelize
+
+class PercentSliderPreference(context: Context?, attrs: AttributeSet?) : DialogPreference(context, attrs) {
+    @get:PluralsRes val sliderTextPluralsResource: Int
+
+    val min: Float
+    val max: Float
+
+    private var internalValue = 0f
+    private var internalValueSet = false
+
+    init {
+        val a = getContext().obtainStyledAttributes(attrs, R.styleable.PercentSliderPreference)
+        min = a.getFloat(R.styleable.PercentSliderPreference_pspMin, 0f)
+        max = a.getFloat(R.styleable.PercentSliderPreference_pspMax, 1f)
+        sliderTextPluralsResource = a.getResourceId(R.styleable.PercentSliderPreference_sliderText, 0)
+        a.recycle()
+    }
+
+    // Always persist/notify the first time.
+    var value: Float
+        get() = internalValue
+        set(value) {
+            // Always persist/notify the first time.
+            val changed = internalValue != value
+            if (changed || !internalValueSet) {
+                internalValue = value
+                internalValueSet = true
+                persistFloat(value)
+                if (changed) {
+                    notifyChanged()
+                }
+            }
+        }
+
+    override fun onGetDefaultValue(a: TypedArray, index: Int): Int {
+        return a.getInteger(index, 0)
+    }
+
+    override fun onSetInitialValue(restoreValue: Boolean, defaultValue: Any?) {
+        value = if (restoreValue) getPersistedFloat(internalValue) else defaultValue as Float
+    }
+
+    override fun onSaveInstanceState(): Parcelable {
+        val superState = super.onSaveInstanceState()
+        if (isPersistent) {
+            // No need to save instance state since it's persistent
+            return superState
+        }
+        return SavedState(
+            value = value,
+            superState = superState,
+        )
+    }
+
+    override fun onRestoreInstanceState(state: Parcelable?) {
+        if (state?.javaClass != SavedState::class.java) {
+            // Didn't save state for us in onSaveInstanceState
+            return super.onRestoreInstanceState(state)
+        }
+
+        val myState = state as SavedState
+        super.onRestoreInstanceState(myState.superState)
+        value = myState.value
+    }
+
+    @Parcelize
+    data class SavedState(
+        val value: Float,
+        val superState: Parcelable,
+    ) : Parcelable
+
+    companion object {
+        private const val DIALOG_FRAGMENT_TAG = "android.support.v7.preference.PreferenceFragment.DIALOG"
+        fun onDisplayPreferenceDialog(preferenceFragment: PreferenceFragmentCompat, preference: Preference): Boolean {
+            if (preference is PercentSliderPreference) {
+                val fragmentManager = preferenceFragment.fragmentManager
+                if (fragmentManager!!.findFragmentByTag(DIALOG_FRAGMENT_TAG) == null) {
+                    val dialogFragment = newInstance(preference.getKey())
+                    dialogFragment.setTargetFragment(preferenceFragment, 0)
+                    dialogFragment.show(fragmentManager, DIALOG_FRAGMENT_TAG)
+                }
+                return true
+            }
+            return false
+        }
+    }
+}

app/src/main/java/eu/darken/capod/common/preferences/PercentSliderPreferenceDialogFragment.kt

@@ -0,0 +1,91 @@
+package eu.darken.capod.common.preferences
+
+import android.os.Bundle
+import android.view.Gravity
+import android.widget.LinearLayout
+import android.widget.LinearLayout.*
+import android.widget.SeekBar
+import android.widget.TextView
+import androidx.appcompat.app.AlertDialog
+import androidx.preference.PreferenceDialogFragmentCompat
+import eu.darken.capod.common.UIConverter
+import kotlin.math.roundToInt
+
+class PercentSliderPreferenceDialogFragment : PreferenceDialogFragmentCompat(), SeekBar.OnSeekBarChangeListener {
+    private val layoutContainer by lazy { LinearLayout(requireContext()) }
+    private val valueText by lazy { TextView(requireContext()) }
+    private val splashText by lazy { TextView(requireContext()) }
+    private val seekBar by lazy { SeekBar(requireContext()) }
+
+    private val preferencePercent: PercentSliderPreference
+        get() = super.getPreference() as PercentSliderPreference
+
+    override fun onPrepareDialogBuilder(builder: AlertDialog.Builder) {
+        layoutContainer.apply {
+            orientation = VERTICAL
+            val px: Int = UIConverter.convertDpToPixels(requireContext(), 24f)
+            setPadding(px, 0, px, 0)
+        }
+
+        splashText.apply {
+            if (preferencePercent.dialogMessage != null) splashText.text = preferencePercent.dialogMessage
+            layoutContainer.addView(this)
+        }
+
+        valueText.apply {
+            gravity = Gravity.CENTER_HORIZONTAL
+            textSize = 32f
+
+            layoutContainer.addView(this, LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT))
+        }
+
+        seekBar.apply {
+            setOnSeekBarChangeListener(this@PercentSliderPreferenceDialogFragment)
+            max = (preferencePercent.max * 100).roundToInt()
+            progress = (preferencePercent.value * 100).roundToInt()
+            layoutContainer.addView(this, LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT))
+        }
+
+        updateValueText()
+        builder.setView(layoutContainer)
+        builder.setNegativeButton(null, null)
+        super.onPrepareDialogBuilder(builder)
+    }
+
+    override fun onDialogClosed(positiveResult: Boolean) {
+        if (!positiveResult) return
+        val value: Int = seekBar.progress
+        if (preferencePercent.callChangeListener(value)) {
+            preferencePercent.value = value / 100f
+        }
+    }
+
+    override fun onProgressChanged(seek: SeekBar, value: Int, fromTouch: Boolean) {
+        if (value < preferencePercent.min) {
+            seek.progress = (preferencePercent.min * 100).roundToInt()
+        }
+        updateValueText()
+    }
+
+    private fun updateValueText() {
+        val count: Int = seekBar.progress
+        valueText.text = if (preferencePercent.sliderTextPluralsResource != 0) {
+            resources.getQuantityString(preferencePercent.sliderTextPluralsResource, count, count)
+        } else {
+            "$count%"
+        }
+    }
+
+    override fun onStartTrackingTouch(seekBar: SeekBar) {}
+    override fun onStopTrackingTouch(seekBar: SeekBar) {}
+
+    companion object {
+        @JvmStatic fun newInstance(key: String): PercentSliderPreferenceDialogFragment {
+            val fragment = PercentSliderPreferenceDialogFragment()
+            val arguments = Bundle()
+            arguments.putString(ARG_KEY, key)
+            fragment.arguments = arguments
+            return fragment
+        }
+    }
+}

app/src/main/java/eu/darken/capod/main/core/GeneralSettings.kt

@@ -48,12 +48,18 @@ class GeneralSettings @Inject constructor(
         false
     )
 
+    val minimumSignalQuality = preferences.createFlowPreference(
+        "core.signal.minimum",
+        0.25f
+    )
+
     override val preferenceDataStore: PreferenceDataStore = PreferenceStoreMapper(
         monitorMode,
         scannerMode,
         autoPause,
         autoPlay,
         showAll,
+        minimumSignalQuality,
         debugSettings.isAutoReportEnabled,
     )
 }

app/src/main/java/eu/darken/capod/main/ui/overview/cards/pods/BasicSingleApplePodsCardVH.kt

@@ -7,6 +7,7 @@ import eu.darken.capod.common.lists.binding
 import eu.darken.capod.databinding.OverviewPodsAppleSingleBasicItemBinding
 import eu.darken.capod.pods.core.apple.BasicSingleApplePods
 import eu.darken.capod.pods.core.getBatteryLevelHeadset
+import eu.darken.capod.pods.core.getSignalQuality
 import eu.darken.capod.pods.core.lastSeenFormatted
 import java.time.Instant
 

app/src/main/java/eu/darken/capod/main/ui/overview/cards/pods/DualApplePodsCardVH.kt

@@ -4,14 +4,11 @@ import android.view.ViewGroup
 import eu.darken.capod.R
 import eu.darken.capod.common.lists.binding
 import eu.darken.capod.databinding.OverviewPodsAppleDualItemBinding
+import eu.darken.capod.pods.core.*
 import eu.darken.capod.pods.core.HasDualPods.Pod
 import eu.darken.capod.pods.core.apple.DualApplePods
 import eu.darken.capod.pods.core.apple.DualApplePods.DeviceColor
 import eu.darken.capod.pods.core.apple.DualApplePods.LidState
-import eu.darken.capod.pods.core.getBatteryLevelCase
-import eu.darken.capod.pods.core.getBatteryLevelLeftPod
-import eu.darken.capod.pods.core.getBatteryLevelRightPod
-import eu.darken.capod.pods.core.lastSeenFormatted
 import java.time.Instant
 
 class DualApplePodsCardVH(parent: ViewGroup) :

app/src/main/java/eu/darken/capod/main/ui/overview/cards/pods/SingleApplePodsCardVH.kt

@@ -7,6 +7,7 @@ import eu.darken.capod.common.lists.binding
 import eu.darken.capod.databinding.OverviewPodsAppleSingleItemBinding
 import eu.darken.capod.pods.core.apple.SingleApplePods
 import eu.darken.capod.pods.core.getBatteryLevelHeadset
+import eu.darken.capod.pods.core.getSignalQuality
 import eu.darken.capod.pods.core.lastSeenFormatted
 import java.time.Instant
 

app/src/main/java/eu/darken/capod/main/ui/overview/cards/pods/UnknownPodDeviceCardVH.kt

@@ -5,6 +5,7 @@ import eu.darken.capod.R
 import eu.darken.capod.common.lists.binding
 import eu.darken.capod.databinding.OverviewPodsUnknownItemBinding
 import eu.darken.capod.pods.core.PodDevice
+import eu.darken.capod.pods.core.getSignalQuality
 import eu.darken.capod.pods.core.lastSeenFormatted
 import java.time.Instant
 

app/src/main/java/eu/darken/capod/main/ui/settings/general/GeneralSettingsFragment.kt

@@ -3,8 +3,10 @@ package eu.darken.capod.main.ui.settings.general
 import androidx.annotation.Keep
 import androidx.fragment.app.viewModels
 import androidx.preference.ListPreference
+import androidx.preference.Preference
 import dagger.hilt.android.AndroidEntryPoint
 import eu.darken.capod.R
+import eu.darken.capod.common.preferences.PercentSliderPreference
 import eu.darken.capod.common.uix.PreferenceFragment2
 import eu.darken.capod.main.core.GeneralSettings
 import eu.darken.capod.main.core.MonitorMode
@@ -38,4 +40,10 @@ class GeneralSettingsFragment : PreferenceFragment2() {
         }
         super.onPreferencesCreated()
     }
+
+    override fun onDisplayPreferenceDialog(preference: Preference) {
+        if (PercentSliderPreference.onDisplayPreferenceDialog(this, preference)) return
+
+        super.onDisplayPreferenceDialog(preference)
+    }
 }

app/src/main/java/eu/darken/capod/monitor/core/PodMonitor.kt

@@ -93,7 +93,8 @@ class PodMonitor @Inject constructor(
     val mainDevice: Flow<PodDevice?>
         get() = devices.map { devices ->
             devices.maxByOrNull { it.rssi }?.let {
-                if (it.rssi > -85) it else null
+                val minimumSignalQuality = generalSettings.minimumSignalQuality.value
+                if (it.signalQuality > minimumSignalQuality) it else null
             }
         }
 

app/src/main/java/eu/darken/capod/pods/core/PodDevice.kt

@@ -19,16 +19,18 @@ interface PodDevice {
     val rssi: Int
         get() = scanResult.rssi
 
+    /**
+     * This is not correct but it works ¯\_(ツ)_/¯
+     * The range of the RSSI is device specific (ROMs).
+     */
+    val signalQuality: Float
+        get() = (100 - abs(rssi)) / 100f
+
     val rawData: ByteArray
 
     val rawDataHex: String
         get() = rawData.joinToString(separator = " ") { String.format("%02X", it) }
 
-    fun getSignalQuality(context: Context): String {
-        val percentage = (100 - abs(rssi))
-        return "~$percentage%"
-    }
-
     fun getLabel(context: Context): String
 
     @get:DrawableRes

app/src/main/java/eu/darken/capod/pods/core/PodDeviceExtensions.kt

@@ -23,6 +23,11 @@ fun HasSinglePod.getBatteryLevelHeadset(context: Context): String =
     batteryHeadsetPercent?.let { "${(it * 100).roundToInt()}%" }
         ?: context.getString(R.string.general_value_not_available_label)
 
+fun PodDevice.getSignalQuality(context: Context): String {
+    val percentage = 100 * signalQuality
+    return "~${percentage.roundToInt()}%"
+}
+
 private val lastSeenFormatter = RelativeDateTimeFormatter.getInstance()
 
 fun PodDevice.lastSeenFormatted(now: Instant): String {

app/src/main/res/drawable/ic_baseline_signal_cellular_alt_24.xml

@@ -4,7 +4,7 @@
     android:viewportWidth="24"
     android:viewportHeight="24"
     android:tint="?attr/colorControlNormal">
-    <path
+  <path
-        android:fillColor="@android:color/white"
+      android:fillColor="@android:color/white"
-        android:pathData="M17,4h3v16h-3zM5,14h3v6L5,20zM11,9h3v11h-3z" />
+      android:pathData="M17,4h3v16h-3zM5,14h3v6L5,20zM11,9h3v11h-3z" />
 </vector>

app/src/main/res/values/attrs.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <declare-styleable name="PercentSliderPreference">
+        <attr name="pspMin" format="float" />
+        <attr name="pspMax" format="float" />
+        <attr name="sliderText" format="reference" />
+    </declare-styleable>
+</resources>

app/src/main/res/values/strings.xml

@@ -115,4 +115,6 @@
     <string name="pods_charging_label">Charging</string>
     <string name="pods_inear_label">In ear</string>
     <string name="pods_microphone_label">Microphone</string>
+    <string name="settings_signal_minimum_label">Minimum signal quality</string>
+    <string name="settings_signal_minimum_description">The minimum signal quality that a device needs to have to be considered yours.</string>
 </resources>

app/src/main/res/xml/preferences_general.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <ListPreference
         android:icon="@drawable/ic_baseline_disabled_visible_24"
@@ -31,6 +32,14 @@
         android:summary="@string/settings_showall_description"
         android:title="@string/settings_showall_label" />
 
+    <eu.darken.capod.common.preferences.PercentSliderPreference
+        android:icon="@drawable/ic_baseline_signal_cellular_alt_24"
+        android:key="core.signal.minimum"
+        android:summary="@string/settings_signal_minimum_description"
+        android:title="@string/settings_signal_minimum_label"
+        app:pspMax="0.9"
+        app:pspMin="0.1" />
+
     <PreferenceCategory android:title="@string/settings_category_other_label">
 
         <CheckBoxPreference
@@ -40,9 +49,9 @@
             android:title="@string/settings_debug_autoreports_label" />
 
         <Preference
+            android:fragment="eu.darken.capod.main.ui.settings.general.debug.DebugSettingsFragment"
             android:icon="@drawable/ic_baseline_bug_report_24"
             android:key="debug.settings"
-            android:fragment="eu.darken.capod.main.ui.settings.general.debug.DebugSettingsFragment"
             android:summary="@string/settings_debug_description"
             android:title="@string/settings_debug_label" />