定义shape时,代码能动态替换shape的颜色属性

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How to change `solid color` from the code?

https://stackoverflow.com/questions/16775891/how-to-change-solid-color-from-the-code

【Android】使用shape的同时,动态替换shape的颜色属性

http://blog.csdn.net/u010983881/article/details/52154283

一个shape布局，对应多个颜色的view

		ImageView iconView = (ImageView) view.findViewById(R.id.icon);
		GradientDrawable myGrad = (GradientDrawable)iconView.getBackground();
		myGrad.setColor(mColor);