Android How to - Checks if the specified service is currently running or not

Question

We would like to know how to checks if the specified service is currently running or not.

Answer

We can check if a service is running by service name. The following code gets the list of RunningServiceInfo and check its name one by one to see if a service is running.

import java.util.List;
//from ww  w .  j  a  v  a  2s .com
import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.app.Service;
import android.content.Context;

public class Main {

    /**
     * Checks if the specified service is currently running or not.
     * @param context
     * @param service
     * @param maxCheckCount
     * @return
     */
    public static final boolean isServiceRunning(Context context, Class<? extends Service> service, int maxCheckCount) {
        if (context == null || service == null) {
            return false;
        }

        ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<RunningServiceInfo> list = manager.getRunningServices(maxCheckCount);
        for (RunningServiceInfo info : list) {
            if (service.getCanonicalName().equals(info.service.getClassName())) {
                return true;
            }
        }
        return false;
    }
}