您好,我正在學習如何開發Android應用程序。我在第二個活動中有一個片段,我希望按下按鈕返回主活動。我的代碼是下面的一個:按下按鈕時發生奇怪的應用程序崩潰
public class NoteEditFragment extends Fragment {
private String title,summary;
private EditText editTextTitle, editTextSummary;
//private Button saveEditButton;
public NoteEditFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View fragmentEdit = inflater.inflate(R.layout.fragment_note_edit, container, false);
editTextTitle = (EditText)fragmentEdit.findViewById(R.id.editNoteTitle);
editTextSummary= (EditText) fragmentEdit.findViewById(R.id.editNoteSummary);
// saveEditButton = (Button) fragmentEdit.findViewById(R.id.editSaveButton);
Intent intent = getActivity().getIntent();
title = intent.getStringExtra(MainActivity.NOTETITLE);
summary=intent.getStringExtra(MainActivity.NOTESUMMARY);
editTextTitle.setText(title);
editTextSummary.setText(summary);
/* saveEditButton.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
Intent intent1 = new Intent(getActivity(), MainActivity.class);
startActivity(intent1);
}
});
*/
return fragmentEdit;
}
public void onSaveMethod(View view){
Intent intent1 = new Intent(getActivity(),MainActivity.class);
startActivity(intent1);
}
}
當我定義的onclick監聽我的自我,它的工作原理評論塊中的代碼,但是當我附上onclick屬性到XML和實現應用程序崩潰的方法。從日誌中我無法理解發生了什麼。請有人幫助我嗎?
是的,你是對的。看到你的評論我記得曾經在某處讀過,但現在我想不起來。萬分感謝.....! – Akis