需要动态改变RelativeLayout里面控件的相对位置，经一个技术群的群友提示，找到了如下的方法，做下记录：
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RelativeLayout.Layoutparams params = (RelativeLayout.LayoutParams)控件1.getLayoutParams();
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params.addRule(RelativeLayout.LEFT_OF, R.id.控件2);
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//转载一个布局文件，要向这个布局汇总动态添加一个button
RelativeLayout relativeLayout（RelativeLayout）getLayoutInflater().inflate(R.layout.main,null);
//装载要动态添加的按钮布局
Button button = (Button)getLayoutInflater().inflate(R.layout.button,null);
//创建一个LayoutParams对象
RelativeLayoutLayoutParamslayoutParams= new RelativeLayout。LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);
layoutParams.addRule(RelativeLayout.RIGHT_OF,R.id.button1);
layoutParams.addRule(RelativeLayout.BELOW,R.id.button);
button.setLayoutParams(layoutParams);
relativeLayout.addView(button);//转载一个布局文件，要向这个布局汇总动态添加一个button
RelativeLayout relativeLayout（RelativeLayout）getLayoutInflater().inflate(R.layout.main,null);
//装载要动态添加的按钮布局
Button button = (Button)getLayoutInflater().inflate(R.layout.button,null);
//创建一个LayoutParams对象
RelativeLayoutLayoutParamslayoutParams= new RelativeLayout。LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);
layoutParams.addRule(RelativeLayout.RIGHT_OF,R.id.button1);
layoutParams.addRule(RelativeLayout.BELOW,R.id.button);
button.setLayoutParams(layoutParams);
relativeLayout.addView(button);