问题
I'm trying to get a text scrolling by terminal like effect for an application I'm writing. The problem is that the textview only updates after all the text has been added.
How can I get it so it updates every line?
回答1:
Call textView.invalidate() to force it to redraw itself.
来源：https://stackoverflow.com/questions/5070657/terminal-like-scrolling-text-android