Android ancestor navigation

@Override
public boolean onOptionsItemSelected(@NonNull MenuItem item) {
  int itemId = item.getItemId();
  if (itemId == android.R.id.home) {
    // force up navigation to have the same behavior as temporal navigation
    onBackPressed();
    return true;
  } else {
    return super.onOptionsItemSelected(item);
  }
}

Similar codes

3 votes250 views3 answers
Isblank vs isempty
Java
-1 vote264 views1 answer
Why is java so verbose
Java
1 vote249 views1 answer
Java add commas to numbers
Java
0 vote235 views1 answer
Reset a jTable without deleting rows
Java
-1 vote261 views2 answers
Call activity method from adapter
Java
0 vote238 views2 answers
Auto in java
Java
0 vote244 views1 answer
Hanoï recursive algorithm
Java
-2 votes245 views1 answer
Style jbuttons
Java
0 vote225 views1 answer
Polymorphism array with abstract class java
Java
1 vote246 views1 answer
Java order agnostic binary search
Java