Question

如何判断android activity是否运行

Answer 1

判断android activity是否运行雀闭（可见）方法顷御裂如下：
public static boolean isActivityRunning(Context mContext，String activityClassName){
ActivityManager activityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
List<RunningTaskInfo> info = activityManager.getRunningTasks(1);
if(info != null && info.size() >拆亏 0){
ComponentName component = info.get(0).topActivity;
if(<span style="font-family: Arial, Helvetica, sans-serif;">activityClassName</span>.equals(component.getClassName())){
return true;
}
}
return false;
}