Android使用Intent标志启动新的Activity

Question

I'm trying to figure out a way to bring an existing activity to the front and clear all other activities. I think I can do this with Intent.setFlags(int flags) but I'm not certain which flags to use.

intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT|Intent.FLAG_ACTIVITY_CLEAR_TOP);

I would think this would work, but it doesn't. It clears all activities including the one I'm trying to bring to the front. Is there a way to do this without clearing the activity I'm trying to bring to the front?

Answer 1

You should use these flags

intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK));

It will clear the activity hierarchy and then create your new one.