(int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, mTextSize, context.getResources().getDisplayMetrics()) a.getDimensionPixelSize(R.styleable.WeekView_textSize, (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, mTextSize, context.getResources().getDisplayMetrics()));
原文：http://www.cnblogs.com/hpustudent/p/4552302.html