@Override
    public boolean getPadding(Rect padding) {
        if (mState.mPadding != null) {
            padding.set(mState.mPadding);
            return true;
        } else {
            return super.getPadding(padding);
        }
    }
Sets the intrinsic (default) height for this shape.

@param height the intrinsic height (in pixels)
caprice/ui/src/main/java/net/qiujuer/genius/ui/drawable/TouchEffectDrawable.java