?判斷某個服務是否正在運行的工具類

?

public class ServiceRunManager {public static boolean isServiceRunning(Context context) {boolean isRunning = false;ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);List<ActivityManager.RunningServiceInfo> serviceList = activityManager.getRunningServices(Integer.MAX_VALUE);if (serviceList == null || serviceList.size() == 0) {return false;}for (int i = 0; i < serviceList.size(); i++) {if (serviceList.get(i).service.getClassName().equals(MyService.class.getName())) {isRunning = true;break;}}return isRunning;}
}

方法使用

 if (ServiceRunManager.isServiceRunning(MainActivity.this)) {Log.e(MyService.class.getSimpleName(), "在運行");} else {Log.e(MyService.class.getSimpleName(), "不在在運行");}

測試結果

把上面的Manager 變成單例的方法

public class ServiceRunManager {public static ServiceRunManager serviceRunManager = null;private ServiceRunManager() {}public static ServiceRunManager getInstance() {if (serviceRunManager == null) {serviceRunManager = new ServiceRunManager();}return serviceRunManager;}public boolean isServiceRunning(Context context) {boolean isRunning = false;ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);List<ActivityManager.RunningServiceInfo> serviceList = activityManager.getRunningServices(Integer.MAX_VALUE);if (serviceList == null || serviceList.size() == 0) {return false;}for (int i = 0; i < serviceList.size(); i++) {if (serviceList.get(i).service.getClassName().equals(MyService.class.getName())) {isRunning = true;break;}}return isRunning;}
}

?

單例的使用

 if (ServiceRunManager.getInstance().isServiceRunning(MainActivity.this)) {Log.e(MyService.class.getSimpleName(), "在運行");} else {Log.e(MyService.class.getSimpleName(), "不在在運行");}

?

總結

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