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public class DeviceUtil {
    /**
     * 获取屏幕大小
     * <p>无</p>
     *
     * @param context 设备上下文
     * @return 返回屏幕大小
     */
    public static Point getDisplayMetrics(Context context) {
        DisplayMetrics dm = context.getResources().getDisplayMetrics();
        int screenWidth = dm.widthPixels;
        int screenHeight = dm.heightPixels;
        return new Point(screenWidth, screenHeight);
    }
}


 /**
     * 获取手机型号
     */
    public static String getMODEL(){
        return android.os.Build.MODEL;
    }

    /**
     * 获取手机厂商
     */
    public static String getBrand(){
        return android.os.Build.MANUFACTURER;
    }

    /**
     * 获取ip
     * @return
     */
    public static String getIP(Context context){
        //获取wifi服务
        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        //判断wifi是否开启
        if (!wifiManager.isWifiEnabled()) {
            wifiManager.setWifiEnabled(true);
        }
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        int ipAddress = wifiInfo.getIpAddress();
        String ip = intToIp(ipAddress);
        return  ip;
    }