@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int height = mDrawable.getIntrinsicHeight() + getPaddingTop() + getPaddingBottom();
heightMeasureSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
final int size = mDrawable.getIntrinsicHeight();
mDrawable.setBounds(0, 0, size, size);
}