设置Android设备息屏后WIFI不休眠

int wifiSleepPolicy=0;

  wifiSleepPolicy=Settings.System.getInt(getContentResolver(),

                    android.provider.Settings.System.WIFI_SLEEP_POLICY,

                    Settings.System.WIFI_SLEEP_POLICY_DEFAULT);

  System.out.println("---> 修改前的Wifi休眠策略值 WIFI_SLEEP_POLICY="+wifiSleepPolicy);

   

   

  Settings.System.putInt(getContentResolver(),

            android.provider.Settings.System.WIFI_SLEEP_POLICY,

            Settings.System.WIFI_SLEEP_POLICY_NEVER);

 

 

https://blog.csdn.net/weixin_34887221/article/details/117473066