获取用户当前正在操作的Activity的类名

原文地址：http://blog.csdn.net/wcs542882916

ActivityManager am=(ActivityManager)
mContext.getSystemService(Context.ACTIVITY_SERVICE);
List<RunningTaskInfo> runningTasks= am.getRunningTasks(1);
if(runningTasks!=
null && runningTasks.size() <= 0){
return false; }
ComponentName comName = runningTasks.get(0).topActivity;
Log.d(TAG,
"--->comName:"+comName.getClassName());