activity-finish

This question already has an answer here: what exactly Activity.finish() method is doing? 12 answers Simple question: can you be sure that finish() will call onDestroy() ? I haven't found any confirmation on this. Simple question: can you be sure that finish() will call onDestroy()? First, this answer assumes that you are referring to Android's Activity class and its finish() method and onDestroy() lifecycle method. Second, it depends upon your definition of "sure": Your process could be terminated in between finish() and onDestroy() , for reasons independent of whatever is triggering the call

I have an Android application. I am making a loading screen with a progress bar. I entered a delay in the onCreate method. When the timer finishes, I want to finish the current activity and start a new one. It just gives me an exception when it calls the finish() method. public class LoadingScreen extends Activity{ private LoadingScreen loadingScreen; Intent i = new Intent(this, HomeScreen.class); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.loading); CountDownTimer timer = new CountDownTimer(10000, 1000) //10 second

I'm talking about programming in android. In early days I thought that, finish() closes current activity and go back to the previous in Activity stack, and System.exit(0) closes the whole application . But I was wrong. I made a small experiment and understood that Both will finish only the current Activity . The only differences that I could notice is that, in Android 2.3.3 The ActivityResult is propagated back to onActivityResult() using finish() . Whereas onActivityResult() not called for System.exit(0) . But in Android 4.2.2, onActivityResult() is called for both! and Intent was null for

I know this question is common and asked many times on Stack Overflow, but after visiting nearly the four pages of search engine results and nearly the 20 question of Stack Overflow regarding this issue, I found that none of them is resolved or answered correctly. What I want: I want to show my app in recent apps list when it is running but when I close app then my process should be killed and application should be removed from recent apps list. Some answers I found: use System.exit(0); //doesn't clear app from recents OR use android.os.Process.killProcess(android.os.Process.myPid()); //doesn

I've been trying to show a "Do you want to exit?" type of dialog when the user attempts to exit an Activity. However I can't find the appropriate API hooks. Activity.onUserLeaveHint() initially looked promising, but I can't find a way to stop the Activity from finishing. jax In Android 2.0+ this would look like: @Override public void onBackPressed() { new AlertDialog.Builder(this) .setIcon(android.R.drawable.ic_dialog_alert) .setTitle("Closing Activity") .setMessage("Are you sure you want to close this activity?") .setPositiveButton("Yes", new DialogInterface.OnClickListener() { @Override