在Android中 获取正在运行的Service 实例

public class ServiceList extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		TextView tv = new TextView(this);

		ActivityManager activityManger = (ActivityManager) getSystemService(ACTIVITY_SERVICE);// 获取Activity管理器
		List<ActivityManager.RunningServiceInfo> serviceList = activityManger.getRunningServices(30);// 从窗口管理器中获取正在运行的Service
		tv.setText(getServicesName(serviceList));
		setContentView(tv);
	}
	private boolean ServiceIsStart(List<ActivityManager.RunningServiceInfo> list, String className) {// 判断某个服务是否启动
		for (int i = 0; i < list.size(); i++) {
			if (className.equals(list.get(i).service.getClassName()))
				return true;
		}
		return false;
	}
	private String getServicesName(List<ActivityManager.RunningServiceInfo> list) {// 获取所有服务的名称
		String res = "";
		for (int i = 0; i < list.size(); i++) {
			res += list.get(i).service.getClassName() + "/n";
		}
		return res;
	}
}

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