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javaandroidnavigationandroid-actionbarback

Handle Up navigation from Action Bar like Back navigation. How?

How can I handle a Up navigation like a Back navigation?

Is there a method for the Up navigation like for the Back navigation (onBackPressed())?

Or can I programm the finish() method, when I press the Up navigation?

Solution

  • Assuming by 'up navigation' you mean a tap on the app icon, you need to override onOptionsItemSelected() in your activity and handle it like so:

    @Override
public boolean onOptionsItemSelected(MenuItem item) {
    // 'home' is the id for the icon click in the action bar (i.e. up/back).
    if (item.getItemId() == android.R.id.home) {
        // do your thing and return true
        return true;
    }

    return super.onOptionsItemSelected(item);
}