Android:代码设置UI

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private void addViewByCode(){
		View subView = new View(context);
		subView.setBackgroundColor(Color.RED);
		//subView的宽高
		int subViewwidth = 700;
		int subViewHeight = 300;
		RelativeLayout.LayoutParams relLayoutParams = new RelativeLayout.LayoutParams(subViewwidth, subViewHeight);
		//addRule默认是ALIGN_PARENT_LEFT+ALIGN_PARENT_TOP
		relLayoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
		relLayoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
		int left = 300;
		int top = 200;
		relLayoutParams.setMargins(left, top, 0, 0);
		root_RelativeLayout.addView(subView, relLayoutParams);
}

  

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