@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
layoutChildren();
mTopRect.top = 0;
mTopRect.left = 0;
mTopRect.right = getWidth();
mTopRect.bottom = getHeight() / 2;
mBottomRect.top = getHeight() / 2;
mBottomRect.left = 0;
mBottomRect.right = getWidth();
mBottomRect.bottom = getHeight();
mLeftRect.top = 0;
mLeftRect.left = 0;
mLeftRect.right = getWidth() / 2;
mLeftRect.bottom = getHeight();
mRightRect.top = 0;
mRightRect.left = getWidth() / 2;
mRightRect.right = getWidth();
mRightRect.bottom = getHeight();
}
