ActivityTaskMgr.java 文件源码

public void popFromActivityStack(Activity activity) {
    if(sReminderDialog!=null &&
            (sReminderDialog.getContext()==activity ||
                    (sReminderDialog.getContext() instanceof ContextWrapper && ((ContextWrapper)sReminderDialog.getContext()).getBaseContext()==activity))){
        try{
            sReminderDialog.dismiss();
        }catch (Throwable e){}finally {
            sReminderDialog = null;
        }
    }
    for(int x=0; x<activityList.size(); x++){
        WeakReference<Activity> ref = activityList.get(x);
        if(ref!=null && ref.get()!=null && ref.get()==activity){
            activityList.remove(ref);
        }
    }
}