Android: on Click ImageView open gallery to display the image in Full Screen
===

In my android application I have an activity with an ImageView displayed.
I want that user can click on image to open it in a full screen mode zoomable (perhaps with gallery).
The app controls if the image is stored in the app cache, otherwise downloads it from network. 
I set the on click listener for the ImageView, I do this:

    ImageView image = (ImageView) view.findViewById(R.id.radar_image);
   
    //Load the image:
    //check if the image is stored in the app cache, otherwise downloads it from network
    ...

    image.setOnClickListener(new View.OnClickListener() {

          @Override
          public void onClick(View v) {
                 // TO DO

	       }

	  });

What should I do in onClick method? and in this method, to load the image, I want to reuse the object "ImageView image" already saved , without reload the image.



