How to get Image Resource

问题

How should I get current image resource of an imageButton? I need something like this:

imageButton.getImageResource(); 

Thanks a lot

回答1:

I think you can't, current API doesn't allow this. But if you really need this, you can do something like this:

imageButton.setImageResource(R.drawable.your_resource);
imageButton.setTag(R.drawable.your_resource);
//
// somewhere later...
//
Integer resource = (Integer)imageButton.getTag();

回答2:

You can use imageButton.getDrawable() to get the drawable of the ImageButton object and then use setImageDrawable() instead of setImageResource().

回答3:

Use this

imageButton.setImageResource(R.drawable.your_resource);
imageButton.setTag(R.drawable.your_resource);

Integer resource = (Integer) imageButton.getTag();

if(resource == R.drawable.your_resource){
    // do something
}else {
}

来源：https://stackoverflow.com/questions/26370993/how-to-get-image-resource