public void detectFragment() {
FragmentB fragment = (FragmentB) getFragmentManager().findFragmentById(R.id.fragB);
if (fragment == null || !fragment.isInLayout()) {
TextView tv = (TextView) findViewById(R.id.buttonFragA);
tv.setText("PORTRAIT");
} else {
TextView tv = (TextView) findViewById(R.id.buttonFragA);
tv.setText("LAND");
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_fragment_a) {
getSupportFragmentManager()
.beginTransaction()
.replace(R.id.main_container, FragmentA.newInstance("test", "test"))
.commit();
return true;
}
if (id == R.id.action_fragment_b) {
getSupportFragmentManager()
.beginTransaction()
.replace(R.id.main_container, FragmentB.newInstance("test", "test"))
.commit();
return true;
}
return super.onOptionsItemSelected(item);
}
