Finish parent and current activity in Android

Question

I have 3 activities. Activity A which leads to activity B, which in turn can go back to activity A or start activity C. However, if I press back in activity C the app should

Answer 1

Have each activity listen for a result from the next activity, and finish itself if that occurs.

You can use a special result code to indicate that you want the activity to finish.

Answer 2

If you want to finish a parent activity from a child activity,

In the parent activity, while triggering the child activity, use the following command:-

startActivityForResult(intent_name,any_integer_variable);

and override the onActivityResult Method in the following manner:-

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if(resultCode==2){
        finish();
    }
}

Now, in the child activity, override onStop and onDestroy in the following manner:-

protected void onStop() {
    setResult(2);
    super.onStop();
}
@Override
protected void onDestroy() {
    setResult(2);
    super.onDestroy();
}

Notice that I've set the value to 2 in the child activity, and am checking for it in the parent activity. If the value is the same that I have set, then the parent activity will also finish. Then you can use recursive approaches for further activities.

Answer 3

You shou use onActivityResult method in your parent Activity

Suppose Activity A is parent of Activity B. If you want to click back button in Activity B to exit Application (also exit Activity A)

In your Activity B, in onStop() or onDestroy()

you call

setResult(0); //any int number is fine

this will pass a result code to its parent activity.

Your parent Actvity A, listens for the result code you will need to use onActivityResult method inside the method you can call

if(resultCode == 0) //matches the result code passed from B
{
    ActivityA.this.finish()
}

It works for me :)

Answer 4

I don't know if this will work, but you could try it:

• From Activity A, start activity B for a result using startActivityForResult()

• In Activity B, when the user triggers Activity C, start activity C.

startActivity() returns immediately, so

• set a result that will inform A to finish as well,

• Call finish() in B.

• When A receives that result from B, A calls finish() on itself as well.

Failing that, you could make Activity C into its own app and then close the first app (with A & B) after it starts the second.

P.S. Take Falmarri's comment into consideration as you move forward!
Good luck.

Answer 5

From Activity A, start activity B for a result using startActivityForResult(intent,19)

In Activity B, when the user triggers Activity C, start activity C.

startActivity() returns immediately, so

set a result that will inform A to finish as well,

Call finish() in B. and Call setResult() method before finish() method in your Child Activity In Parent Activity overide onActivtyResult(....) method. When A receives that result from B, A calls finish() on itself as well.

enter code here
     @Override
protected void onActivityResult(int arg0, int arg1, Intent arg2) {
    //Added by Ashish to close parent activity
      if(arg1==19){
      finish();
        }
    super.onActivityResult(arg0, arg1, arg2);
}

Answer 6

You can use finishAffinity() , it will close Current & all Parent Activities of the Current Activity.

Note : But any results from Child Activity to Parent Activity will not be handled.

Hope, it helps !!