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我想把一個後退按鈕放在操作欄上,點擊後我想回到一個活動。我正在寫下面的代碼,但我無法達到相同的效果。請幫幫我。 Thnks回到行動吧從片段到活動
public class NutrientDailyTrackerActivity extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.activity_nutrient_details, container, false);
ActionBar actionBar = getActivity().getActionBar();
actionBar.setBackgroundDrawable(new ColorDrawable(Color.parseColor("#4CC1D2")));
actionBar.setTitle("Nutrient Tracker");
actionBar.setDisplayHomeAsUpEnabled(true);
// doing some task here
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// app icon in action bar clicked; go home
Intent intent = new Intent(getActivity(), CalorieMainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
thnks it work for me – 2015-03-25 12:31:17