Add Android readme and sample app

2026-09-16 15:36:12 -04:00 · 2024-01-10 15:25:19 -08:00
parent c2ade33c9c
commit b46ef89339
37 changed files with 1118 additions and 0 deletions
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+  <application
+      android:allowBackup="true"
+      android:dataExtractionRules="@xml/data_extraction_rules"
+      android:fullBackupContent="@xml/backup_rules"
+      android:icon="@mipmap/ic_launcher"
+      android:label="@string/app_name"
+      android:roundIcon="@mipmap/ic_launcher_round"
+      android:supportsRtl="true"
+      android:theme="@style/Theme.NearbyShareDemo"
+      tools:targetApi="31">
+    <activity
+        android:name=".MainActivity"
+        android:exported="true"
+        android:label="@string/app_name"
+        android:theme="@style/Theme.NearbyShareDemo">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+
+</manifest>
@@ -0,0 +1,165 @@
+package com.google.nearby.sharedemo
+
+import android.app.PendingIntent
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.provider.OpenableColumns
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.compose.setContent
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import androidx.slice.Slice
+import androidx.slice.widget.SliceView
+import com.google.nearby.sharedemo.ui.theme.NearbyShareDemoTheme
+
+class MainActivity : ComponentActivity() {
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    val viewModel: MainViewModel by viewModels(factoryProducer = { MainViewModel.Factory })
+    setContent {
+      NearbyShareDemoTheme {
+        // A surface container using the 'background' color from the theme
+        val state by viewModel.targetsFlow.collectAsState()
+        Column(
+          modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.background)
+        ) {
+          MainView(
+            state,
+            onShareTargetClicked = { data, intent ->
+              viewModel.onShareTargetClicked(data, this@MainActivity, intent)
+            })
+        }
+      }
+    }
+  }
+}
+
+@Composable
+fun MainView(
+  state: SliceState,
+  onShareTargetClicked: (ShareTargetData, Intent) -> Unit,
+) {
+  when (state) {
+    is SliceState.PermissionNeeded -> {
+      AndroidView(factory = {
+        val view = SliceView(it)
+        view.slice = state.slice
+        return@AndroidView view
+      })
+    }
+
+    is SliceState.Active -> {
+      var uris by rememberSaveable { mutableStateOf(listOf<Uri>()) }
+      val launcher =
+        rememberLauncherForActivityResult(contract = ActivityResultContracts.GetMultipleContents()) {
+          uris = it
+        }
+      Column {
+        Button(onClick = { launcher.launch("*/*") }) { Text("Select files") }
+        if (uris.isNotEmpty()) {
+          for (uri in uris) {
+            Text(
+              uri.toString(),
+              style = MaterialTheme.typography.bodySmall
+            )
+          }
+          val sendIntent =
+            Intent("com.google.android.gms.SHARE_NEARBY").apply {
+              if (uris.size == 1) {
+                putExtra(Intent.EXTRA_STREAM, uris[0])
+              } else {
+                putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris.toArrayList())
+              }
+              type = "*/*"
+              flags = Intent.FLAG_GRANT_READ_URI_PERMISSION
+            }
+          val context = LocalContext.current
+          // We need to call sendIntent.migrateExtraStreamToClipData() to show the preview images on
+          // Android Q and above but the method is hidden. Hence we call PendingIntent.getActivity as
+          // a proxy/wrapper which calls the above method. This method can throw exception if files
+          // are too large.
+          // We need to call sendIntent.migrateExtraStreamToClipData() to show the preview images on
+          // Android Q and above but the method is hidden. Hence we call PendingIntent.getActivity as
+          // a proxy/wrapper which calls the above method. This method can throw exception if files
+          // are too large.
+          val pendingIntentFlags = PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT
+
+          PendingIntent.getActivity(context.applicationContext, 0, sendIntent, pendingIntentFlags)
+          ShareDestinations(sendIntent, state.targets, onShareTargetClicked = { data, intent ->
+            for (uri in uris) {
+              context.grantUriPermission(
+                "com.google.android.gms",
+                uri,
+                Intent.FLAG_GRANT_READ_URI_PERMISSION
+              )
+            }
+            onShareTargetClicked(data, intent)
+          })
+        }
+      }
+    }
+  }
+}
+
+@Composable
+fun ShareDestinations(
+  sendIntent: Intent,
+  targets: Set<ShareTargetData>,
+  onShareTargetClicked: (ShareTargetData, Intent) -> Unit,
+) {
+  Card(
+    modifier = Modifier.padding(16.dp),
+    colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surfaceVariant)
+  ) {
+    if (targets.isEmpty()) {
+      Text("No devices nearby!")
+      return@Card
+    }
+    LazyVerticalGrid(columns = GridCells.Adaptive(minSize = 72.dp)) {
+      items(targets.toList()) {
+        ShareTarget(data = it, onShareTargetClicked = { data ->
+          onShareTargetClicked(data, sendIntent)
+        })
+      }
+    }
+  }
+}
+
+private fun <T> List<T>.toArrayList(): java.util.ArrayList<T> {
+  val list = java.util.ArrayList<T>()
+  list.addAll(this)
+  return list
+}
+
+sealed class SliceState {
+  data class PermissionNeeded(val slice: Slice) : SliceState()
+  data class Active(val targets: Set<ShareTargetData>) : SliceState()
+}
@@ -0,0 +1,123 @@
+package com.google.nearby.sharedemo
+
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import androidx.core.graphics.drawable.IconCompat
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewmodel.initializer
+import androidx.lifecycle.viewmodel.viewModelFactory
+import androidx.slice.Slice
+import androidx.slice.SliceViewManager
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+class MainViewModel(context: Context) : ViewModel() {
+  private val _targetsFlow: MutableStateFlow<SliceState> = MutableStateFlow(SliceState.Active(setOf()))
+  val targetsFlow: StateFlow<SliceState> = _targetsFlow.asStateFlow()
+
+  private var targetMapping = mapOf<ShareTargetData, PendingIntent>()
+
+  private val sliceManager = SliceViewManager.getInstance(context)
+  private val sliceCallback: (Slice?) -> Unit = {
+    targetMapping = parseSlice(it)
+    if (targetMapping.isEmpty() && it != null) {
+      _targetsFlow.value = SliceState.PermissionNeeded(it)
+    } else {
+      _targetsFlow.value = SliceState.Active(targetMapping.keys)
+    }
+  }
+
+  init {
+    sliceManager.registerSliceCallback(SCAN_SLICE_URI, sliceCallback)
+    val slice = sliceManager.bindSlice(SCAN_SLICE_URI)
+    targetMapping = parseSlice(slice)
+    if (targetMapping.isEmpty() && slice != null) {
+      _targetsFlow.value = SliceState.PermissionNeeded(slice)
+    } else {
+      _targetsFlow.value = SliceState.Active(targetMapping.keys)
+    }
+  }
+
+  /**
+   * This function is run just before the ViewModel is closed, allowing us to unpin the sharing
+   * slice.
+   */
+  override fun onCleared() {
+    super.onCleared()
+    sliceManager.unregisterSliceCallback(SCAN_SLICE_URI, sliceCallback)
+  }
+
+  /**
+   * Called when a slice's share target is tapped, as represented by [ShareTarget].
+   */
+  fun onShareTargetClicked(data: ShareTargetData, context: Context, sendIntent: Intent) {
+    targetMapping[data]!!.send(context, 0, sendIntent)
+  }
+
+  private fun parseSlice(slice: Slice?): Map<ShareTargetData, PendingIntent> {
+    android.util.Log.d("NSDemo", "slice: $slice")
+    if (slice == null) {
+      return mapOf()
+    }
+    val ret = mutableMapOf<ShareTargetData, PendingIntent>()
+    for (targetItem in slice.items.reversed()) {
+      if (!(targetItem.format == SLICE && targetItem.hints.containsAll(listOf(LIST_ITEM, ACTIVITY)))) {
+        continue
+      }
+      val targetSlice = targetItem.slice
+      var deviceName: String? = null
+      var action: PendingIntent? = null
+      var profileIcon: IconCompat? = null
+
+      for (item in targetSlice.items) {
+        if (item.format == TEXT && item.hints.contains(TITLE)) {
+          deviceName = item.text.toString()
+        }
+        if (item.format == ACTION && item.hints.containsAll(listOf(SHORTCUT, TITLE))) {
+          action = item.action
+
+          val iconSlice: Slice? = item.slice
+          if (iconSlice != null) {
+            for (iconitem in iconSlice.items) {
+              if (iconitem.format == IMAGE && iconitem.hints.contains(NO_TINT)) {
+                profileIcon = iconitem.icon
+              }
+            }
+          }
+        }
+      }
+      // Returns null if the data parsed from the slice is incomplete.
+      if (deviceName == null || action == null || profileIcon == null) {
+        continue
+      }
+      ret[ShareTargetData(profileIcon, deviceName)] = action
+    }
+    return ret
+  }
+
+  companion object {
+    private val SCAN_SLICE_URI: Uri =
+      Uri.parse("content://com.google.android.gms.nearby.sharing/scan")
+
+    // Slice parsing.
+    private const val SLICE = "slice"
+    private const val LIST_ITEM = "list_item"
+    private const val ACTIVITY = "activity"
+    private const val TEXT = "text"
+    private const val TITLE = "title"
+    private const val ACTION = "action"
+    private const val SHORTCUT = "shortcut"
+    private const val IMAGE = "image"
+    private const val NO_TINT = "no_tint"
+
+    val Factory: ViewModelProvider.Factory = viewModelFactory {
+      initializer {
+        MainViewModel(this[ViewModelProvider.AndroidViewModelFactory.APPLICATION_KEY]!!)
+      }
+    }
+  }
+}
@@ -0,0 +1,43 @@
+package com.google.nearby.sharedemo
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.asImageBitmap
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.core.graphics.drawable.IconCompat
+import androidx.core.graphics.drawable.toBitmap
+
+@Composable
+fun ShareTarget(data: ShareTargetData, onShareTargetClicked: (ShareTargetData) -> Unit) {
+  val context = LocalContext.current
+  Column(
+    modifier = Modifier
+      .padding(8.dp)
+      .clickable { onShareTargetClicked(data) },
+    horizontalAlignment = Alignment.CenterHorizontally
+  ) {
+    Icon(
+      data.profileIcon.loadDrawable(context)!!.toBitmap().asImageBitmap(),
+      contentDescription = null,
+      tint = Color.Unspecified,
+    )
+    Text(
+      data.deviceName,
+      style = MaterialTheme.typography.bodySmall,
+    )
+  }
+}
+
+data class ShareTargetData(
+  val profileIcon: IconCompat,
+  val deviceName: String,
+)
@@ -0,0 +1,51 @@
+package com.google.nearby.sharedemo.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Typography
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme()
+
+private val LightColorScheme = lightColorScheme()
+
+@Composable
+fun NearbyShareDemoTheme(
+  darkTheme: Boolean = isSystemInDarkTheme(),
+  // Dynamic color is available on Android 12+
+  dynamicColor: Boolean = true,
+  content: @Composable () -> Unit
+) {
+  val colorScheme = when {
+    dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+      val context = LocalContext.current
+      dynamicLightColorScheme(context)
+    }
+    else -> LightColorScheme
+  }
+  val view = LocalView.current
+  if (!view.isInEditMode) {
+    SideEffect {
+      val window = (view.context as Activity).window
+      window.statusBarColor = colorScheme.primary.toArgb()
+      WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+    }
+  }
+
+  MaterialTheme(
+    colorScheme = colorScheme,
+    typography = Typography(),
+    content = content
+  )
+}
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+  <path
+      android:fillColor="#3DDC84"
+      android:pathData="M0,0h108v108h-108z" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M9,0L9,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M19,0L19,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M29,0L29,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M39,0L39,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M49,0L49,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M59,0L59,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M69,0L69,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M79,0L79,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M89,0L89,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M99,0L99,108"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,9L108,9"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,19L108,19"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,29L108,29"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,39L108,39"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,49L108,49"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,59L108,59"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,69L108,69"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,79L108,79"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,89L108,89"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M0,99L108,99"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M19,29L89,29"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M19,39L89,39"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M19,49L89,49"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M19,59L89,59"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M19,69L89,69"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M19,79L89,79"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M29,19L29,89"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M39,19L39,89"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M49,19L49,89"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M59,19L59,89"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M69,19L69,89"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+  <path
+      android:fillColor="#00000000"
+      android:pathData="M79,19L79,89"
+      android:strokeColor="#33FFFFFF"
+      android:strokeWidth="0.8" />
+</vector>
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+  <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+    <aapt:attr name="android:fillColor">
+      <gradient
+          android:endX="85.84757"
+          android:endY="92.4963"
+          android:startX="42.9492"
+          android:startY="49.59793"
+          android:type="linear">
+        <item
+            android:color="#44000000"
+            android:offset="0.0" />
+        <item
+            android:color="#00000000"
+            android:offset="1.0" />
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+      android:fillColor="#FFFFFF"
+      android:fillType="nonZero"
+      android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+      android:strokeColor="#00000000"
+      android:strokeWidth="1" />
+</vector>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <background android:drawable="@drawable/ic_launcher_background" />
+  <foreground android:drawable="@drawable/ic_launcher_foreground" />
+  <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <background android:drawable="@drawable/ic_launcher_background" />
+  <foreground android:drawable="@drawable/ic_launcher_foreground" />
+  <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <color name="purple_200">#FFBB86FC</color>
+  <color name="purple_500">#FF6200EE</color>
+  <color name="purple_700">#FF3700B3</color>
+  <color name="teal_200">#FF03DAC5</color>
+  <color name="teal_700">#FF018786</color>
+  <color name="black">#FF000000</color>
+  <color name="white">#FFFFFFFF</color>
+</resources>
@@ -0,0 +1,3 @@
+<resources>
+  <string name="app_name">Nearby Share Demo</string>
+</resources>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+  <style name="Theme.NearbyShareDemo" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+  <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+  <cloud-backup>
+    <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+  </cloud-backup>
+  <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>