Add shake for feedback to test app

firebase-appdistribution/test-app/src/main/AndroidManifest.xml

@@ -9,7 +9,8 @@
       android:label="@string/app_name"
       android:roundIcon="@mipmap/ic_launcher_round"
       android:supportsRtl="true"
-      android:theme="@style/Theme.AppDistributionTestAppSample">
+      android:theme="@style/Theme.AppDistributionTestAppSample"
+      android:name="com.googletest.firebase.appdistribution.testapp.AppDistroTestApplication">
     <activity android:name="com.googletest.firebase.appdistribution.testapp.MainActivity" android:exported="true">
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />

firebase-appdistribution/test-app/src/main/java/com/googletest/firebase/appdistribution/testapp/AppDistroTestApplication.kt

@@ -0,0 +1,10 @@
+package com.googletest.firebase.appdistribution.testapp
+
+import android.app.Application
+
+class AppDistroTestApplication : Application() {
+    override fun onCreate() {
+        super.onCreate()
+        ShakeForFeedback.enable(this)
+    }
+}

firebase-appdistribution/test-app/src/main/java/com/googletest/firebase/appdistribution/testapp/ShakeForFeedback.kt

@@ -0,0 +1,47 @@
+package com.googletest.firebase.appdistribution.testapp
+
+import android.app.Activity
+import android.app.Application
+import android.hardware.SensorManager
+import android.os.Bundle
+import android.util.Log
+import com.google.firebase.appdistribution.ktx.appDistribution
+import com.google.firebase.ktx.Firebase
+import com.squareup.seismic.ShakeDetector
+
+class ShakeForFeedback private constructor() : ShakeDetector.Listener,
+    Application.ActivityLifecycleCallbacks {
+    private val shakeDetector = ShakeDetector(this)
+
+    override fun hearShake() {
+        Log.i(TAG, "Shake detected")
+        Firebase.appDistribution.startFeedback(R.string.terms_and_conditions)
+    }
+
+    override fun onActivityResumed(activity: Activity) {
+        Log.i(TAG, "Shake detection started")
+        val sensorManager = activity.getSystemService(Activity.SENSOR_SERVICE) as SensorManager
+        shakeDetector.start(sensorManager, SensorManager.SENSOR_DELAY_NORMAL)
+    }
+
+    override fun onActivityPaused(activity: Activity) {
+        Log.i(TAG, "Shake detection stopped")
+        shakeDetector.stop()
+    }
+
+    // Other lifecycle methods
+    override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {}
+    override fun onActivityStarted(activity: Activity) {}
+    override fun onActivityStopped(activity: Activity) {}
+    override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {}
+    override fun onActivityDestroyed(activity: Activity) {}
+
+    companion object {
+        const val TAG: String = "ShakeForFeedback"
+
+        fun enable(application: Application) {
+            application.registerActivityLifecycleCallbacks(ShakeForFeedback())
+            Log.i(TAG, "Shake detector registered")
+        }
+    }
+}

firebase-appdistribution/test-app/test-app.gradle

@@ -81,6 +81,9 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 
     testImplementation 'junit:junit:4.+'
+
+    // Shake detection
+    implementation 'com.squareup:seismic:1.0.3'
 }
 
 // This allows the app to connect to Firebase on the CI.