Question

I created a custom view and added it to my layout in the xml file. I’m trying to refresh the custom view with a click event but I can’t figure out how to call the onDraw method from a different class. invalidate and postInvalidate aren’t refreshing the custom view.

Answer 1

You should create method inside your view which takes the changes and calls invalidate from the inside of your view.

public void setTextSize (int size) {
      mTextSize = size; 
      invalidate();
}

Works perfectly for me.