package flow.sample.multikey; import android.app.Activity; import android.app.Application; import android.os.Bundle; class ActivityLifecycleCallbackAdapter implements Application.ActivityLifecycleCallbacks { @Override public void onActivityCreated(Activity activity, Bundle bundle) { } @Override public void onActivityStarted(Activity activity) { } @Override public void onActivityResumed(Activity activity) { } @Override public void onActivityPaused(Activity activity) { } @Override public void onActivityStopped(Activity activity) { } @Override public void onActivitySaveInstanceState(Activity activity, Bundle bundle) { } @Override public void onActivityDestroyed(Activity activity) { } }