/***************************************************************************** * Android 获取View宽度 * 说明: * 在View默认的构造函数里无法获取到View的宽高,需要采用另外的方式获取。 * * 2016-6-15 深圳 南山平山村 曽剑锋 ****************************************************************************/ 一、参考文档: If I call getMeasuredWidth() or getWidth() for layout in onResume they return 0 http://stackoverflow.com/questions/6939002/if-i-call-getmeasuredwidth-or-getwidth-for-layout-in-onresume-they-return-0 二、解决办法: this.post(new Runnable() { public void run() { centerX = getMeasuredWidth()/2; centerY = getMeasuredHeight()/2; ball = new Ball(centerX, centerY); } } );
时间: 2024-12-23 19:06:27