Google Services (Project build Gradle) : classpath 'com.google.gms:google-services:4.4.0'
Firebase Perf : implementation 'com.google.firebase:firebase-perf:20.5.0'
Below Exception throws at app initialisation:
FATAL EXCEPTION: main Process: com.sample, PID: 32664 java.lang.ExceptionInInitializerError at com.google.firebase.perf.config.ConfigResolver.(ConfigResolver.java:78) at com.google.firebase.perf.config.ConfigResolver.getInstance(ConfigResolver.java:86) at com.google.firebase.perf.application.AppStateMonitor.(AppStateMonitor.java:98) at com.google.firebase.perf.application.AppStateMonitor.getInstance(AppStateMonitor.java:87) at com.google.firebase.perf.metrics.NetworkRequestMetricBuilder.(NetworkRequestMetricBuilder.java:92) at com.google.firebase.perf.metrics.NetworkRequestMetricBuilder.builder(NetworkRequestMetricBuilder.java:84) at com.google.firebase.perf.network.InstrumentOkHttpEnqueueCallback.(InstrumentOkHttpEnqueueCallback.java:42) at com.google.firebase.perf.network.FirebasePerfOkHttpClient.enqueue(FirebasePerfOkHttpClient.java:73) at com.facebook.react.devsupport.PackagerStatusCheck.run(PackagerStatusCheck.java:51) at com.facebook.react.devsupport.DevServerHelper.isPackagerRunning(DevServerHelper.java:483) at com.facebook.react.devsupport.DevSupportManagerBase$19.run(DevSupportManagerBase.java:850) at com.facebook.react.devsupport.DevSupportManagerBase.isPackagerRunning(DevSupportManagerBase.java:856) at com.facebook.react.ReactInstanceManager.recreateReactContextInBackgroundInner(ReactInstanceManager.java:451) at com.facebook.react.ReactInstanceManager.createReactContextInBackground(ReactInstanceManager.java:417) at com.facebook.react.ReactRootView.startReactApplication(ReactRootView.java:512) at com.facebook.react.ReactRootView.startReactApplication(ReactRootView.java:481) at com.facebook.react.ReactDelegate.loadApp(ReactDelegate.java:103) at com.facebook.react.ReactActivityDelegate.loadApp(ReactActivityDelegate.java:111) at com.facebook.react.ReactActivityDelegate.onCreate(ReactActivityDelegate.java:106) at com.facebook.react.ReactActivity.onCreate(ReactActivity.java:46) at com.sample.MainActivity.onCreate(MainActivity.java:61) at android.app.Activity.performCreate(Activity.java:8397) at android.app.Activity.performCreate(Activity.java:8370) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1403) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3841) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4010) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:111) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2466) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loopOnce(Looper.java:240) at android.os.Looper.loop(Looper.java:351) at android.app.ActivityThread.main(ActivityThread.java:8381) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013) Caused by: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.sample. Make sure to call FirebaseApp.initializeApp(Context) first. at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:179) at com.google.firebase.perf.config.RemoteConfigManager.getInitialStartupMillis(RemoteConfigManager.java:91) at com.google.firebase.perf.config.RemoteConfigManager.(RemoteConfigManager.java:85) at com.google.firebase.perf.config.RemoteConfigManager.(RemoteConfigManager.java:52) at com.google.firebase.perf.config.ConfigResolver.(ConfigResolver.java:78) at com.google.firebase.perf.config.ConfigResolver.getInstance(ConfigResolver.java:86) at com.google.firebase.perf.application.AppStateMonitor.(AppStateMonitor.java:98) at com.google.firebase.perf.application.AppStateMonitor.getInstance(AppStateMonitor.java:87) at com.google.firebase.perf.metrics.NetworkRequestMetricBuilder.(NetworkRequestMetricBuilder.java:92) at com.google.firebase.perf.metrics.NetworkRequestMetricBuilder.builder(NetworkRequestMetricBuilder.java:84) at com.google.firebase.perf.network.InstrumentOkHttpEnqueueCallback.(InstrumentOkHttpEnqueueCallback.java:42) at com.google.firebase.perf.network.FirebasePerfOkHttpClient.enqueue(FirebasePerfOkHttpClient.java:73) at com.facebook.react.devsupport.PackagerStatusCheck.run(PackagerStatusCheck.java:51) at com.facebook.react.devsupport.DevServerHelper.isPackagerRunning(DevServerHelper.java:483) at com.facebook.react.devsupport.DevSupportManagerBase$19.run(DevSupportManagerBase.java:850) at com.facebook.react.devsupport.DevSupportManagerBase.isPackagerRunning(DevSupportManagerBase.java:856) at com.facebook.react.ReactInstanceManager.recreateReactContextInBackgroundInner(ReactInstanceManager.java:451) at com.facebook.react.ReactInstanceManager.createReactContextInBackground(ReactInstanceManager.java:417) at com.facebook.react.ReactRootView.startReactApplication(ReactRootView.java:512) at com.facebook.react.ReactRootView.startReactApplication(ReactRootView.java:481) at com.facebook.react.ReactDelegate.loadApp(ReactDelegate.java:103) at com.facebook.react.ReactActivityDelegate.loadApp(ReactActivityDelegate.java:111) at com.facebook.react.ReactActivityDelegate.onCreate(ReactActivityDelegate.java:106) at com.facebook.react.ReactActivity.onCreate(ReactActivity.java:46) at com.sample.MainActivity.onCreate(MainActivity.java:61) at android.app.Activity.performCreate(Activity.java:8397) at android.app.Activity.performCreate(Activity.java:8370) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1403) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3841) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4010) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:111) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2466) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loopOnce(Looper.java:240) at android.os.Looper.loop(Looper.java:351) at android.app.ActivityThread.main(ActivityThread.java:8381) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)
Upgraded Google Services in Project build gradle, leads crash rather than working fine.