android setLayoutParams 问题,出错

1             LinearLayout layt = (LinearLayout) rootView.findViewById(R.id.llt_2);
2             FrameLayout.LayoutParams layoutParams=new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.WRAP_CONTENT);
3             layoutParams.gravity=Gravity.CENTER;            
4             layt.setLayoutParams(layoutParams);

关键:

主是要是在定义layoutParams的时候要用view的父容器类去声明,而它本身,

new FrameLayout.LayoutParams参数也一样要用父,

可参考:http://blog.csdn.net/greenappple/article/details/7631430
posted @ 2015-01-22 21:41  jenson138  阅读(967)  评论(0编辑  收藏  举报