java - 如何测试MultiChoiceItems android对话框

Question

我用

构建了一个 AlertDialog 框

  public class ConstantDialogFragment extends DialogFragment {

    private AlertDialog.Builder builder;

    private AlertDialog alertDialog;

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        final int[] constantProtocol = {0};
        builder = new AlertDialog.Builder(getActivity(), AlertDialog.THEME_DEVICE_DEFAULT_LIGHT);

        builder.setTitle(getResources().getString(R.string.some_message))
                .setMultiChoiceItems(R.array.some_choice, null,
                        new DialogInterface.OnMultiChoiceClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which,
                                                boolean isChecked) {
                                // some method
                            }
                        })
                .setPositiveButton(getResources().getString(R.string.ok_dialog), new DialogInterface.OnClickListener() {

                    class LoadConfigTask {
                        private ProgressDialog dialog;
                        private Activity activity;

                        public LoadConfigTask(Activity activity) {
                            this.activity = activity;
                            dialog = new ProgressDialog(activity, AlertDialog.THEME_DEVICE_DEFAULT_LIGHT);
                        }

                        public void execute() {
                            try {
                                // some method

                            } catch (Exception e) {
                                // some method

                            }
                        }
                    }

                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                        // some method
                    }
                })
                .setNegativeButton(getResources().getString(R.string.cancel_dialog), new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                        // some thing 
                    }
                });
        builder.create();
        alertDialog = builder.show();
        return alertDialog;
    }

    public AlertDialog getAlertDialog(){
        return alertDialog;
    }

然后我尝试了这个espresso实现:

onView(withText("my first choice")).
                perform(click());

我得到

NoMatchingViewException: No views in hierarchy found matching: with text: is my string"

我该如何解决这个问题？

Answer 1

在Android源代码中获取，我发现了有用的方法。因此，为了控制 AlertDialog 的项目，我必须这样做

ListView listView = alertDialog.getListView();
View child = listView.getChildAt(0);
child.performClick();