TextView轉化Bitmap

1. TextView view= new TextView(this);

2. view.setDrawingCacheEnabled(true);  

3. view.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));   

4. view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());  

5. Bitmap bitmap = view.getDrawingCache();