android app保活

参考链接：https://www.jianshu.com/p/63aafe3c12af

public class GrayService extends Service {

    private final static int GRAY_SERVICE_ID = 1001;

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        if (Build.VERSION.SDK_INT < 18) {
            startForeground(GRAY_SERVICE_ID, new Notification());//API < 18 ，此方法能有效隐藏Notification上的图标
        } else {
            Intent innerIntent = new Intent(this, GrayInnerService.class);
            startService(innerIntent);
            startForeground(GRAY_SERVICE_ID, new Notification());
        }

        return super.onStartCommand(intent, flags, startId);
    }

    ...
    ...

    /**
     * 给 API >= 18 的平台上用的灰色保活手段
     */
    public static class GrayInnerService extends Service {

        @Override
        public int onStartCommand(Intent intent, int flags, int startId) {
            startForeground(GRAY_SERVICE_ID, new Notification());
            stopForeground(true);
            stopSelf();
            return super.onStartCommand(intent, flags, startId);
        }

    }
}

作者：D_clock爱吃葱花
链接：https://www.jianshu.com/p/63aafe3c12af
來源：简书
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