onClickListener和setOnTouchListener在React Native中不起作用

Question

In my Android Native code I have written an OnClick Listener for a PopUp I need to display in my onCreate().

I want to write this in native rather than JS.

public class MainActivity extends ReactActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
  LayoutInflater layoutInflater =
                (LayoutInflater)getBaseContext()
                    .getSystemService(LAYOUT_INFLATER_SERVICE);
        View popupView = layoutInflater.inflate(R.layout.pointzipreviewtoolbar,null);
           PopupWindow popupWindow = new PopupWindow(
                popupView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
         ViewGroup rootLayout = (ViewGroup) findViewById(android.R.id.content);
            popupView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Log.e("Popup was Clicked", "I clicked here");
                }
            });
}
}

The popup shows, however the onClickListner doesn't get triggered and also the setTouchListener doesn't work either. Am I missing some files??

Answer 1

You have set the root of the inflated popupView layout to null, which means it might not have correct layoutparams which may affect a touch interaction.

Try rearranging it so you can do this:

ViewGroup rootLayout = (ViewGroup) findViewById(android.R.id.content);
View popupView = layoutInflater.inflate(R.layout.pointzipreviewtoolbar, rootLayout, false);

That way the popupView will inherit the layoutparams from rootLayout, but will still not be attached to that view as the final argument (attachToRoot) is false. See if the onClickListener responds after that.

You've also not used setContentView(View view) in onCreate, though maybe that's normal when you inherit from ReactActivity, not sure.

Answer 2

I managed to solve this issue by setting the pointzipreviewtoolbar layout elements to an onClick. Which in my case, inside the pointzipreviewtoolbar had an ImageButton called preViewCapture. I then set this to on OnClickListner and it got triggered.

  public class MainActivity extends ReactActivity {

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
      LayoutInflater layoutInflater =
                    (LayoutInflater)getBaseContext()
                        .getSystemService(LAYOUT_INFLATER_SERVICE);
            View popupView = layoutInflater.inflate(R.layout.pointzipreviewtoolbar,null);
               PopupWindow popupWindow = new PopupWindow(
                    popupView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
             ViewGroup rootLayout = (ViewGroup) findViewById(android.R.id.content);
        ImageButton image = (ImageButton) popupView.findViewById(R.id.preViewCapture);
                image.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Log.e("Popup was Clicked", "I clicked here");
                    }
                });
    }
    }