Which Activity Is Called When App Removed From Recent List In Android?
There are several activities in the android project. But which activity will surely get called when the app is removed from the app list. I have checked following questions. But a
Solution 1:
I also got stuck in very much similar scenario, where I need to trace from which activity the user removed app from recent list, So moving to the point
Step 1:
Create Class ApplicationLifeCycleHandler
and implement Application.ActivityLifecycleCallbacks
, ComponentCallbacks2
:
public class ApplicationLifeCycleHandler implements Application.ActivityLifecycleCallbacks, ComponentCallbacks2 {
private static final String TAG = "AppLifeCycleShareTime";
private static boolean isInBackground = false;
@Override
public void onActivityCreated(Activity activity, Bundle bundle) {
Log.d( TAG , "onActivityCreated");
}
@Override
public void onActivityStarted(Activity activity) {
Log.d( TAG , "onActivityStarted");
}
@Override
public void onActivityResumed(Activity activity) {
Log.d( TAG , "onActivityResumed : " + ShareTime.currentActivity.getClass().getName());
if(isInBackground){
Log.d(TAG, "app went to foreground");
isInBackground = false;
}
}
@Override
public void onActivityPaused(Activity activity) {
Log.d( TAG , "onActivityPaused : " + activity.getClass().getName());
}
@Override
public void onActivityStopped(Activity activity) {
Log.d( TAG , "onActivityStopped : " + activity.getClass().getName());
}
@Override
public void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
Log.d( TAG , "onActivitySaveInstanceState");
}
@Override
public void onActivityDestroyed(Activity activity) {
Log.d( TAG , "onActivityDestroyed Parent : " + activity.getClass().getName());
}
@Override
public void onConfigurationChanged(Configuration configuration) {
Log.d( TAG , "onConfigurationChanged");
}
@Override
public void onLowMemory() {
Log.d( TAG , "onLowMemory");
}
@Override
public void onTrimMemory(int i) {
Log.d( TAG , "onTrimMemory");
if(i == ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN){
Log.d(TAG, "app went to background");
isInBackground = true
}
}
}
Now: Create Class MyApplication
and extend it to Application:
public class MyApplication extends Application {
public static FileMetadata file;
@Override
public void onCreate() {
super.onCreate();
ApplicationLifeCycleHandler handler = new ApplicationLifeCycleHandler();
registerActivityLifecycleCallbacks(handler);
registerComponentCallbacks(handler);
}
}
Step 3 :
Open Manifest File and Add android:name="MyApplication"
to application Tag.
Step 4 :
Check Logs of onActivityDestroyed
and you will know the name of activity which is getting destroyed.
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