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LinearLayout.LayoutParams linearParams =(LinearLayout.LayoutParams) textView.getLayoutParams(); //取控件textView当前的布局参数 linearParams.height = 20;// 控件的高强制设成20
linearParams.width = 30;// 控件的宽强制设成30
textView.setLayoutParams(linearParams); //使设置好的布局参数应用到控件
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原文地址:http://www.cnblogs.com/ruiati/p/4741388.html