SwipeLayout.java 文件源码

void layoutLayDown() {
    View surfaceView = getSurfaceView();
    Rect surfaceRect = mViewBoundCache.get(surfaceView);
    if (surfaceRect == null) surfaceRect = computeSurfaceLayoutArea(false);
    if (surfaceView != null) {
        surfaceView.layout(surfaceRect.left, surfaceRect.top, surfaceRect.right, surfaceRect.bottom);
        bringChildToFront(surfaceView);
    }
    View currentBottomView = getCurrentBottomView();
    Rect bottomViewRect = mViewBoundCache.get(currentBottomView);
    if (bottomViewRect == null)
        bottomViewRect = computeBottomLayoutAreaViaSurface(ShowMode.LayDown, surfaceRect);
    if (currentBottomView != null) {
        currentBottomView.layout(bottomViewRect.left, bottomViewRect.top, bottomViewRect.right, bottomViewRect.bottom);
    }
}