Android 代码设置RelativeLayout元素居中

Posted 2020-11-01 brave-sailor

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1. RelativeLayout relativeLayout= new RelativeLayout(this);   

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1. RelativeLayout.LayoutParams rlp=new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,RelativeLayout.LayoutParams.WRAP_CONTENT);  
2. rlp.addRule(RelativeLayout.CENTER_IN_PARENT);//addRule参数对应RelativeLayout XML布局的属性  
3. relativeLayout.addView(progressBar,rlp);