//判断网络是否连接

public static Boolean isNetworkEnabled(Context context){

int status=-1  //设置默认连接的状态为-1

ConnectivityManager connectivityManager = (ConnectivityManager) context
      .getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected()) {    //networkInfo.isConnected()判断网络是否连接

   switch (networkInfo.getType()) {
   case ConnectivityManager.TYPE_MOBILE: { 
      status = 0;     //移动数据连接。当活跃,所有数据流量.将使用这个默认网络类型的接口
      break;
   }
   case ConnectivityManager.TYPE_WIFI: { 
      status = 1;     //无线数据连接。当活跃,所有数据流量
      break;
   }
   default: {
      status = 2;     //一个MMS-specific移动数据连接。可以使用这个网络类型
      break;
   }
   }
}
if (status == -1) {
   return false;
} else {
   return true;
}

}

//判断GPS是否连接

public static boolean isGpsOpen(Context context) {
    LocationManager locationManager = (LocationManager) context
    .getSystemService(Context.LOCATION_SERVICE);     
    boolean gps = locationManager
    .isProviderEnabled(LocationManager.GPS_PROVIDER);
    if (gps)
    {
       return true;
    }
    return false;
}