Android TextView文字底部或者中间 加横线

tv = (TextView) findViewById(R.id. text_view ); 
中间加横线 
tv.getPaint().setFlags(
Paint.STRIKE_THRU_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG ); 
底部加横线: 

tv .getPaint().setFlags(Paint. UNDERLINE_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG );

添加Paint.ANTI_ALIAS_FLAG是线会变得清晰去掉锯齿

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转载自blog.csdn.net/qq_33523706/article/details/80264467