Activity lifecycle. android:clearTaskOnLaunch

Issue

I have three activities:

1. LoginActivity
2. OptionsActivity
3. OkActivity

App lifecycle is 1 > 2 > 3.

Say user is in 3 and press home button, then the app is closed. Then, the user reopen the app and 1 is opened. However, if back button is pressed, 3 is shown. I want to close the app when home button is pressed. Or clear activities stack when 1 is opened.

I have tried to put android:clearTaskOnLaunch="true" in LoginActivity but it doesn't work (same behavior).

Thanks.

Solution

You can override the method OnBackPressed in the activity 1 (LoginActivity) like this:

@Override
public void onBackPressed() {
   moveTaskToBack(true);
   this.finish();
}

This should exit the app correctly when button "Back" is pressed on the LoginActivity.

Answered By - miselking