Parent Activity Loses Data When Onbackpressed() Is Called

I have a listview in subsection activity when I click on it, it opens up tabbed activity. Now when I press up navigation button on top left corner and go back to parent activity, t

Solution 1:

This may solve your problem

Put this in your AlgorithmActivity.java and remove your code.

@OverridepublicbooleanonOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            onBackPressed();
            returntrue;
    }
    returnsuper.onOptionsItemSelected(item);
}