A.使用onOptionsItemSelected(MenuItem item)響應 B.使用onMenuItemSelected(int featureId.MenuItem item)響應 C.使用onMenuItemClick(MenuItem item)響應 D.使用onCreateOptionsMenu(Menu menu)響應
A.bindService B.startService C.onStart D.onBind
A.Activity B.BroadcastReceiver C.Service D.Contentprovider