我有一个FragmentActivity支持v4类,它实现了两个并排(有点像gmail)片段和一个可以调出DialogFragment的按钮。Android DialogFragment在方向转换后消失
这一切都很好,除非我改变方向。当我改变方向时,碎片的状态不会被保存。
而主要问题是如果我打开了FragmentDialog,它就会消失。
我已经在所有片段中设置了setRetainInstance(true);
但它没有帮助。
在我的清单中,我包括android:configChanges="orientation"
,但仍然没有帮助。
这里是我的代码示例,谢谢你的帮助。
public class AddMasterDialog extends DialogFragment {
private int mTitle;
private int mPrompt;
private OnClickListener onSaveListener;
private OnClickListener onCancelListener;
public AddMasterDialog newInstance(int title, int prompt) {
AddMasterDialog simpleDialog = new AddMasterDialog(title, prompt);
return simpleDialog;
}
public AddMasterDialog() {
// Empty constructor required for DialogFragment
}
public AddMasterDialog(int title, int prompt) {
// Empty constructor required for DialogFragment
mTitle = title;
mPrompt = prompt;
}
public void setSaveButton(OnClickListener save){
onSaveListener = save;
}
public void setCancelButton(OnClickListener cancel){
onCancelListener = cancel;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
//if(savedInstanceState == null){
View view = inflater.inflate(R.layout.add_new_simple, container);
getDialog().setTitle(mTitle);
((TextView) view.findViewById(R.id.add_simple_new_value_prompt)).setText(mPrompt);
Button saveButton = (Button) view.findViewById(R.id.add_simple_save_button);
saveButton.setOnClickListener(onSaveListener);
//Cancel Button
Button cancelButton = (Button) view.findViewById(R.id.add_simple_cancel_button);
cancelButton.setOnClickListener(onCancelListener);
return view;
//}
}
}
,并在我的主要活动:
private void initiateAddMasterPopupWindow() {
try {
addMasterDialog = new AddMasterDialog(R.string.add_new_master_dialog_title, R.string.add_master_new_value_prompt);
addMasterDialog.setSaveButton(saveNewMasterClickListener);
addMasterDialog.setCancelButton(cancelNewMasterClickListener);
FragmentManager fm = getSupportFragmentManager();
addMasterDialog.show(fm, ADD_NEW_MASTER);
} catch (Exception e) {
e.printStackTrace();
}
}
酷修复,很好地工作。 –