Calling findViewById() from outside an activity

Question

Is there any way to access a layout\'s view from a non-Activity-derived class? I\'m creating an Accordion class and need to access some of the activity\'s UI elements. I\'

Answer 1

Here is something that might be helpful.

public interface IViewRequest {

    public View requestViewByID(int id);
}

public class MyActivity extends Activity {

    private IViewRequest viewRequest = new IViewRequest(){

    public View requestViewByID(int id){
        return findViewById(id);
    });
}

public class Accordion(){

    private IViewRequest viewRequest;

    public Accordion(IViewRequest viewRequest){
        this.viewRequest = viewRequest;
    }

    private View findViewById(int id){
        return viewRequest.requestViewByID(id);
    }
}

I have never tried something like this. I also don't know if it won't cuase any memory leaks. But it does what you asked :) "Calling findViewById() from outside an activity"