android back 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);
}
}back button android studio
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value=".MainActivity" />Copyright © 2021 Codeinu
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