目前它是主要活動,但我想將其更改爲類別活動。 問題出在哪裏?如何更改活動的層級父級?
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// This ID represents the Home or Up button. In the case of this
// activity, the Up button is shown. Use NavUtils to allow users
// to navigate up one level in the application structure. For
// more details, see the Navigation pattern on Android Design:
//
// http://developer.android.com/design/patterns/navigation.html#up-vs-back
//
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
究竟是什麼問題? – fiddler
當我參加類別活動時體育,我想回到類別活動,而不是主要的活動,這是發起活動 – user2229066