Make the Sessions test app more convenient to test

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

@@ -45,8 +45,8 @@
 
     <!-- Override value to 1.0 to always have a fireperf verbose session -->
     <meta-data
-        android:name="sessions_sampling_percentage"
-        android:value="0.01" />
+      android:name="sessions_sampling_percentage"
+      android:value="0.01" />
 
     <meta-data
       android:name="firebase_performance_logcat_enabled"
@@ -74,6 +74,18 @@
         android:resource="@xml/homescreen_widget" />
     </receiver>
 
+    <service
+      android:exported="true"
+      android:name=".MyServiceA"
+      android:process=":a"
+      tools:ignore="ExportedService" />
+
+    <service
+      android:exported="true"
+      android:name=".MyServiceB"
+      android:process=":b"
+      tools:ignore="ExportedService" />
+
     <service
       android:enabled="true"
       android:exported="false"

firebase-sessions/test-app/src/main/kotlin/com/google/firebase/testing/sessions/BaseActivity.kt

@@ -18,48 +18,47 @@ package com.google.firebase.testing.sessions
 
 import android.app.ActivityManager
 import android.app.ActivityManager.RunningAppProcessInfo
-import android.app.Application
-import android.os.Build
 import android.os.Bundle
 import android.util.Log
 import androidx.appcompat.app.AppCompatActivity
 import com.google.firebase.FirebaseApp
 import com.google.firebase.perf.FirebasePerformance
+import com.google.firebase.testing.sessions.TestApplication.Companion.TAG
+import com.google.firebase.testing.sessions.TestApplication.Companion.myProcessName
 
 open class BaseActivity : AppCompatActivity() {
 
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
-    FirebaseApp.initializeApp(this)
     setProcessAttribute()
     logProcessDetails()
     logFirebaseDetails()
-    Log.i(TAG, "onCreate - ${getProcessName()} - ${getImportance()}")
+    Log.i(TAG, "onCreate - $myProcessName - ${getImportance()}")
   }
 
   override fun onPause() {
     super.onPause()
-    Log.i(TAG, "onPause - ${getProcessName()} - ${getImportance()}")
+    Log.i(TAG, "onPause - $myProcessName - ${getImportance()}")
   }
 
   override fun onStop() {
     super.onStop()
-    Log.i(TAG, "onStop - ${getProcessName()} - ${getImportance()}")
+    Log.i(TAG, "onStop - $myProcessName - ${getImportance()}")
   }
 
   override fun onResume() {
     super.onResume()
-    Log.i(TAG, "onResume - ${getProcessName()} - ${getImportance()}")
+    Log.i(TAG, "onResume - $myProcessName - ${getImportance()}")
   }
 
   override fun onStart() {
     super.onStart()
-    Log.i(TAG, "onStart - ${getProcessName()} - ${getImportance()}")
+    Log.i(TAG, "onStart - $myProcessName - ${getImportance()}")
   }
 
   override fun onDestroy() {
     super.onDestroy()
-    Log.i(TAG, "onDestroy - ${getProcessName()} - ${getImportance()}")
+    Log.i(TAG, "onDestroy - $myProcessName - ${getImportance()}")
   }
 
   private fun getImportance(): Int {
@@ -68,15 +67,11 @@ open class BaseActivity : AppCompatActivity() {
     return processInfo.importance
   }
 
-  protected fun getProcessName(): String =
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) Application.getProcessName() else "unknown"
-
   private fun logProcessDetails() {
     val pid = android.os.Process.myPid()
     val uid = android.os.Process.myUid()
     val activity = javaClass.name
-    val process = getProcessName()
-    Log.i(TAG, "activity: $activity process: $process, pid: $pid, uid: $uid")
+    Log.i(TAG, "activity: $activity process: $myProcessName, pid: $pid, uid: $uid")
   }
 
   private fun logFirebaseDetails() {
@@ -85,15 +80,11 @@ open class BaseActivity : AppCompatActivity() {
     val defaultFirebaseApp = FirebaseApp.getInstance()
     Log.i(
       TAG,
-      "activity: $activity firebase: ${defaultFirebaseApp.name} appsCount: ${firebaseApps.count()}"
+      "activity: $activity firebase: ${defaultFirebaseApp.name} appsCount: ${firebaseApps.count()}",
     )
   }
 
   private fun setProcessAttribute() {
-    FirebasePerformance.getInstance().putAttribute("process_name", getProcessName())
-  }
-
-  companion object {
-    val TAG = "BaseActivity"
+    FirebasePerformance.getInstance().putAttribute("process_name", myProcessName)
   }
 }

firebase-sessions/test-app/src/main/kotlin/com/google/firebase/testing/sessions/CrashBroadcastReceiver.kt

@@ -21,6 +21,7 @@ import android.content.Context
 import android.content.Intent
 import android.util.Log
 import android.widget.Toast
+import com.google.firebase.testing.sessions.TestApplication.Companion.TAG
 
 class CrashBroadcastReceiver : BroadcastReceiver() {
 
@@ -42,7 +43,6 @@ class CrashBroadcastReceiver : BroadcastReceiver() {
   }
 
   companion object {
-    val TAG = "CrashBroadcastReceiver"
     val CRASH_ACTION = "com.google.firebase.testing.sessions.CrashBroadcastReceiver.CRASH_ACTION"
     val TOAST_ACTION = "com.google.firebase.testing.sessions.CrashBroadcastReceiver.TOAST_ACTION"
   }

firebase-sessions/test-app/src/main/kotlin/com/google/firebase/testing/sessions/FirstFragment.kt

@@ -16,7 +16,6 @@
 
 package com.google.firebase.testing.sessions
 
-import android.app.Application
 import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
@@ -31,6 +30,7 @@ import androidx.lifecycle.lifecycleScope
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import com.google.firebase.perf.FirebasePerformance
 import com.google.firebase.perf.trace
+import com.google.firebase.testing.sessions.TestApplication.Companion.myProcessName
 import com.google.firebase.testing.sessions.databinding.FragmentFirstBinding
 import java.net.HttpURLConnection
 import java.net.URL
@@ -129,7 +129,7 @@ class FirstFragment : Fragment() {
       intent.addFlags(FLAG_ACTIVITY_NEW_TASK)
       startActivity(intent)
     }
-    binding.processName.text = getProcessName()
+    binding.processName.text = myProcessName
   }
 
   override fun onResume() {
@@ -152,9 +152,5 @@ class FirstFragment : Fragment() {
       if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
         SimpleDateFormat("HH:mm:ss", Locale.getDefault()).format(Date())
       else "unknown"
-
-    fun getProcessName(): String =
-      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) Application.getProcessName()
-      else "unknown"
   }
 }

firebase-sessions/test-app/src/main/kotlin/com/google/firebase/testing/sessions/ForegroundService.kt

@@ -29,6 +29,7 @@ import android.util.Log
 import androidx.core.app.NotificationCompat
 import androidx.core.content.ContextCompat
 import com.google.firebase.FirebaseApp
+import com.google.firebase.testing.sessions.TestApplication.Companion.TAG
 
 class ForegroundService : Service() {
   private val CHANNEL_ID = "CrashForegroundService"
@@ -104,18 +105,16 @@ class ForegroundService : Service() {
   }
 
   companion object {
-    val TAG = "WidgetForegroundService"
-
     fun startService(context: Context, message: String) {
-      Log.i(TAG, "Starting foreground serice")
+      Log.i(TAG, "Starting foreground service")
       ContextCompat.startForegroundService(
         context,
         Intent(context, ForegroundService::class.java).putExtra("inputExtra", message),
       )
     }
 
     fun stopService(context: Context) {
-      Log.i(TAG, "Stopping serice")
+      Log.i(TAG, "Stopping service")
       context.stopService(Intent(context, ForegroundService::class.java))
     }
   }

firebase-sessions/test-app/src/main/kotlin/com/google/firebase/testing/sessions/MyServiceA.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.firebase.testing.sessions
+
+import android.app.Service
+import android.content.Intent
+import android.os.IBinder
+import android.util.Log
+import com.google.firebase.testing.sessions.TestApplication.Companion.TAG
+import com.google.firebase.testing.sessions.TestApplication.Companion.myProcessName
+import kotlin.system.exitProcess
+
+class MyServiceA : Service() {
+  override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+    Log.i(TAG, "Service A action: ${intent?.action} on process: $myProcessName")
+
+    // Send actions from adb shell this way, so it can start the process if needed:
+    // am startservice -n com.google.firebase.testing.sessions/.MyServiceA -a PING
+    when (intent?.action) {
+      "PING" -> ping()
+      "CRASH" -> crash()
+      "KILL" -> kill()
+      "SESSION" -> session()
+    }
+
+    return START_STICKY
+  }
+
+  private fun ping() {
+    repeat(7) { Log.i(TAG, "*** pong ***") }
+  }
+
+  private fun crash() {
+    Log.i(TAG, "crashing")
+    throw IndexOutOfBoundsException("crash service a")
+  }
+
+  private fun kill() {
+    Log.i(TAG, "killing process $myProcessName")
+    exitProcess(0)
+  }
+
+  private fun session() {
+    Log.i(
+      TAG,
+      "service a, session id: ${TestApplication.sessionSubscriber.sessionDetails?.sessionId}",
+    )
+  }
+
+  override fun onBind(intent: Intent?): IBinder? = null
+}

firebase-sessions/test-app/src/main/kotlin/com/google/firebase/testing/sessions/MyServiceB.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.firebase.testing.sessions
+
+import android.app.Service
+import android.content.Intent
+import android.os.IBinder
+import android.util.Log
+import com.google.firebase.testing.sessions.TestApplication.Companion.TAG
+import com.google.firebase.testing.sessions.TestApplication.Companion.myProcessName
+import kotlin.system.exitProcess
+
+class MyServiceB : Service() {
+  override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+    Log.i(TAG, "Service B action: ${intent?.action} on process: $myProcessName")
+
+    when (intent?.action) {
+      "PING" -> ping()
+      "CRASH" -> crash()
+      "KILL" -> kill()
+    }
+
+    return START_STICKY
+  }
+
+  private fun ping() {
+    repeat(7) { Log.i(TAG, "*** hello ***") }
+    Log.i(TAG, "session id: ${TestApplication.sessionSubscriber.sessionDetails?.sessionId}")
+  }
+
+  private fun crash() {
+    Log.i(TAG, "crashing")
+    throw IllegalStateException("crash in service b")
+  }
+
+  private fun kill() {
+    Log.i(TAG, "killing process $myProcessName")
+    exitProcess(0)
+  }
+
+  override fun onBind(intent: Intent?): IBinder? = null
+}

firebase-sessions/test-app/src/main/kotlin/com/google/firebase/testing/sessions/SecondActivity.kt

@@ -25,6 +25,7 @@ import android.widget.Button
 import android.widget.TextView
 import androidx.lifecycle.lifecycleScope
 import com.google.firebase.perf.FirebasePerformance
+import com.google.firebase.testing.sessions.TestApplication.Companion.myProcessName
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 
@@ -56,7 +57,7 @@ class SecondActivity : BaseActivity() {
           .killBackgroundProcesses("com.google.firebase.testing.sessions")
       }
     }
-    findViewById<TextView>(R.id.process_name_second).text = getProcessName()
+    findViewById<TextView>(R.id.process_name_second).text = myProcessName
   }
 
   override fun onResume() {