[gallery] add firebase integration

PiperOrigin-RevId: 778082730

Android/src/app/build.gradle.kts

@@ -16,6 +16,8 @@
 
 plugins {
   alias(libs.plugins.android.application)
+  // Note: set apply to true to enable google-services (requires google-services.json).
+  alias(libs.plugins.google.services) apply false
   alias(libs.plugins.kotlin.android)
   alias(libs.plugins.kotlin.compose)
   alias(libs.plugins.kotlin.serialization)
@@ -95,6 +97,8 @@ dependencies {
   implementation(libs.protobuf.javalite)
   implementation(libs.hilt.android)
   implementation(libs.hilt.navigation.compose)
+  implementation(platform(libs.firebase.bom))
+  implementation(libs.firebase.analytics)
   kapt(libs.hilt.android.compiler)
   testImplementation(libs.junit)
   androidTestImplementation(libs.androidx.junit)

Android/src/app/src/main/AndroidManifest.xml

@@ -31,6 +31,7 @@
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.WAKE_LOCK"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <uses-feature
         android:name="android.hardware.camera"
@@ -87,6 +88,20 @@
             android:exported="false"
             tools:node="merge">
         </service>
+
+        <!-- For Firebase Analytics. -->
+        <receiver
+            android:name="com.google.android.gms.measurement.AppMeasurementReceiver"
+            android:enabled="true"
+            android:exported="false" />
+        <service android:name="com.google.android.gms.measurement.AppMeasurementService"
+            android:enabled="true"
+            android:exported="false" />
+        <service
+            android:name="com.google.android.gms.measurement.AppMeasurementJobService"
+            android:enabled="true"
+            android:exported="false"
+            android:permission="android.permission.BIND_JOB_SERVICE" />
     </application>
 
-</manifest>
+</manifest>

Android/src/app/src/main/java/com/google/ai/edge/gallery/GalleryApplication.kt

@@ -20,6 +20,7 @@ import android.app.Application
 import com.google.ai.edge.gallery.common.writeLaunchInfo
 import com.google.ai.edge.gallery.data.DataStoreRepository
 import com.google.ai.edge.gallery.ui.theme.ThemeSettings
+import com.google.firebase.FirebaseApp
 import dagger.hilt.android.HiltAndroidApp
 import javax.inject.Inject
 
@@ -35,5 +36,7 @@ class GalleryApplication : Application() {
 
     // Load saved theme.
     ThemeSettings.themeOverride.value = dataStoreRepository.readTheme()
+
+    FirebaseApp.initializeApp(this)
   }
 }

Android/src/app/src/main/java/com/google/ai/edge/gallery/MainActivity.kt

@@ -18,6 +18,7 @@ package com.google.ai.edge.gallery
 
 import android.os.Build
 import android.os.Bundle
+import android.util.Log
 import android.view.WindowManager
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
@@ -27,12 +28,26 @@ import androidx.compose.material3.Surface
 import androidx.compose.ui.Modifier
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import com.google.ai.edge.gallery.ui.theme.GalleryTheme
+import com.google.firebase.analytics.FirebaseAnalytics
+import com.google.firebase.analytics.ktx.analytics
+import com.google.firebase.ktx.Firebase
 import dagger.hilt.android.AndroidEntryPoint
 
 @AndroidEntryPoint
 class MainActivity : ComponentActivity() {
 
+  private var firebaseAnalytics: FirebaseAnalytics? = null
+
   override fun onCreate(savedInstanceState: Bundle?) {
+    firebaseAnalytics =
+      runCatching { Firebase.analytics }
+        .onFailure { exception ->
+          // Firebase.analytics can throw an exception if goolgle-services is not set up, e.g.,
+          // missing google-services.json.
+          Log.w(TAG, "Firebase Analytics is not available", exception)
+        }
+        .getOrNull()
+
     installSplashScreen()
 
     super.onCreate(savedInstanceState)
@@ -46,4 +61,8 @@ class MainActivity : ComponentActivity() {
     // Keep the screen on while the app is running for better demo experience.
     window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
   }
+
+  companion object {
+    private const val TAG = "AGMainActivity"
+  }
 }

Android/src/build.gradle.kts

@@ -17,6 +17,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
   alias(libs.plugins.android.application) apply false
+  alias(libs.plugins.google.services) apply false
   alias(libs.plugins.kotlin.android) apply false
   alias(libs.plugins.kotlin.compose) apply false
   alias(libs.plugins.hilt.application) apply false

Android/src/gradle/libs.versions.toml

@@ -31,6 +31,8 @@ netOpenidAppauth = "0.11.1"
 splashscreen = "1.2.0-beta01"
 hilt = "2.56.2"
 hiltNavigation = "1.2.0"
+googleService = "4.4.3"
+firebaseBom = "33.16.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -73,6 +75,10 @@ hilt-android = { module = "com.google.dagger:hilt-android", version.ref = "hilt"
 hilt-navigation-compose = { module = "androidx.hilt:hilt-navigation-compose", version.ref = "hiltNavigation" }
 hilt-android-testing = { module = "com.google.dagger:hilt-android-testing", version.ref = "hilt" }
 hilt-android-compiler = { module = "com.google.dagger:hilt-android-compiler", version.ref = "hilt" }
+firebase-bom = { group = "com.google.firebase", name = "firebase-bom", version.ref = "firebaseBom" }
+# When using the Firebase BoM, you don't specify versions in Firebase
+# library dependencies.
+firebase-analytics = { group = "com.google.firebase", name = "firebase-analytics" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
@@ -81,3 +87,4 @@ kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "ko
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "serializationPlugin" }
 protobuf = {id = "com.google.protobuf", version.ref = "protobuf"}
 hilt-application = { id = "com.google.dagger.hilt.android", version.ref = "hilt" }
+google-services = { id = "com.google.gms.google-services", version.ref = "googleService" }