是否可以显示多个对话框?是否有类似Dialog Z-Level的东西?
我正在使用DialogFragment,用户可以在其中选择元素,当他确认选择时,它将保存到数据库并在服务器上发送。如果保存操作失败,我想通知用户...是否可能出现另一个对话框?而且不会清除我的第一个对话框吗?
提前致谢。

最佳答案

确实,有可能在一个对话框中显示多个对话框 fragment 。 z顺序取决于它们的创建顺序。

在下面的代码中,有一个带有所需行为的FragmentActivity示例。

public class MyActivity extends FragmentActivity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        //...
    }

    public void onSave(View view) {
        Intent intent = getIntent();

        this.setResult(RESULT_OK, intent);
        finish();
    }

    public void onCancel(View view) {
        finish();
    }

    public void SelectWeekDay(View view) {
        DialogFragment selectWeekDayFragment = new SelectWeekDayFragment();
        selectWeekDayFragment.show(getSupportFragmentManager(), "WeekDayDialog");
    }

    public class SelectWeekDayFragment extends DialogFragment {

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            View view = inflater.inflate(R.layout.week_day_dialog, container, true);

            Button saveButton = (Button) view.findViewById(R.id.button_save);
            saveButton.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View view) {
                    CheckBox checkboxMonday = (CheckBox) getDialog().findViewById(R.id.checkBox_monday);
                    if (!checkboxMonday.isChecked()) {
                        DialogFragment saveErrorFragment = new SaveErrorFragment();
                        saveErrorFragment.show(getSupportFragmentManager(), "SaveErrorFragment");
                    }
                    else {
                        SaveToDb(); //Perform actions to store on db or what you wish
                        dismiss();
                    }
                }
            });

            Button cancelButton = (Button) view.findViewById(R.id.button_cancel);
            cancelButton.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    dismiss();
                }
            });

            return view;
        }
    }

    public class SaveErrorFragment extends DialogFragment {

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            return new AlertDialog.Builder(getActivity())
            .setMessage("You must select Monday").setPositiveButton("Ok", null).create();
        }
    }
}

关于Android:我可以一次显示多个对话框吗?是否有类似Dialog Z-Level的东西?,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/10282927/

10-10 06:56