Application is crashing when BackPressed on screen

Question

When user back press on the login screen of my application application crashes. I use below code to launch my login activity -

private void showLoginActivity() {
    Intent intent = new Intent(getApplicationContext(), LoginActivity.class);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    startActivity(intent);
    finish();
}

I do some background operation in this screen through asynctask. I saw the logcat It's showing problem in asynctask as the login activity finishes and the task is still running. How can I resolve this problem ?

Thanks in advance

It probably happens because you are referring to objects in your first activity from the asynctask. You can avoid this by finishing tha activity when the task is done. — Ayoub, Mar 18 '15 at 11:39
why on hell you are using getApplicationContext() inside Activity(assumption after finish() calls) — Selvin, Mar 18 '15 at 11:42

score 0 · Answer 1 · answered Mar 18 '15 at 11:39

0

if how try this please:

Intent i = new Intent(getApplicationContext(), LoginActivity.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK| Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(i);

answered Mar 18 '15 at 11:39

deepak825

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score 0 · Answer 2 · answered Mar 18 '15 at 11:40

0

Got the solution. I used some flags to launch login activity. Below are those flags which I used -

intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);

answered Mar 18 '15 at 11:40

unflagged.destination

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of course **it is not a solution** ... it is rather dirt fix ... share logcat's log with us - there should be a real solution .... – Selvin Mar 18 '15 at 11:41

score 0 · Answer 3 · edited May 23 '17 at 12:06

0

I think there is a problem in your flags. Probably in your

intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

i would suggest you this to read and understand.

edited May 23 '17 at 12:06

Community

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answered Mar 19 '15 at 11:13

ghost talker

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5
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Application is crashing when BackPressed on screen

3 Answers3