如何找出我的.app的实例是否已经运行？

问题描述

我的应用程式已安装在[应用程式]资料夹中。但我可以复制这个.app文件，并将其粘贴在我的桌面上。当我尝试在我的桌面上运行这个.app文件，我的系统上正在运行两个实例。

我>第一种方式是看看 runningApplications 在 NSWorkspace 。这将返回一个包含每个启动应用程序的字典的NSArray。

  NSMutableArray * applications = [NSMutableArray new ]; 
 [applications addObjectsFromArray：[[NSWorkspace new] runningApplications]]; 
 NSLog（@ - >％@，应用程序）; 
  

My app is getting installed in the Application folder. But I can copy this .app file and paste it on my desktop. When I try to run this .app file on my desktop, two instances are running on my system. How do I prevent this?

解决方案

There could by many ways,

The first way that hit my mind is to look at runningApplications in NSWorkspace. This returns an NSArray containing a dictionary for each launched application. You can loop through the array to see if the app you are looking for is already running.

NSMutableArray *applications=[NSMutableArray new];
[applications addObjectsFromArray:[[NSWorkspace new] runningApplications]];
NSLog(@"--> %@",applications);

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