NetUtil

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于 2019-04-15 16:31:38 发布

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分类专栏： Android

本文链接：https://blog.youkuaiyun.com/weixin_43301984/article/details/89314702

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本文提供了检查设备网络状态的方法，包括整体网络连接、Wi-Fi连接、移动数据连接的状态判断及当前网络类型的获取。通过这些方法，应用程序可以智能地根据网络状况调整其行为。

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    //判断是否有网络
    public static boolean isNetWorkConnected(Context context) {
        if (context != null) {
            ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
            if (networkInfo != null) {
                return networkInfo.isAvailable();
            }
        }
        return false;
    }

    //判断是否有wifi
    public static boolean isWifiConnected(Context context) {
        if (context != null) {
            ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo wifiworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
            if (wifiworkInfo != null) {
                return wifiworkInfo.isAvailable();
            }
        }
        return false;
    }

    //判断Mobile网络是否可用
    public static boolean isMobileConnected(Context context) {
        if (context != null) {
            ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo mobileworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
            if (mobileworkInfo != null) {
                return mobileworkInfo.isAvailable();
            }
        }
        return false;
    }

    //获取当前网络连接的类型信息
    public static int getConnectedType(Context context) {
        if (context != null) {
            ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo networkworkInfo = connectivityManager.getActiveNetworkInfo();
            if (networkworkInfo != null && networkworkInfo.isAvailable()) {
                return networkworkInfo.getType();
            }
        }
        return -1;
    }
}