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Android setTextSize

在帮TextView控件设置大小的时候,发现和在XML中用PX设置的不一样,原因是setTextSize()默认的单位是sp,可以用另一个设置字体大小的方法:
setTextSize(int unit, int size)
第一个参数可设置如下静态变量:
TypedValue.COMPLEX_UNIT_PX : Pixels
TypedValue.COMPLEX_UNIT_SP : Scaled Pixels
TypedValue.COMPLEX_UNIT_DIP : Device Independent Pixels

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