问题描述

如何从android java设置wifi ip地址、dns地址、网关，即以编程方式，我没有找到任何能够存储值的方法.

How do I set wifi ip address, dns address, gateway from android java i.e programmatically, I didn't find any method which has the capability to store the values.

推荐答案

您可以通过编程方式更改系统设置.

You can change system settings programatically.

首先，您需要在AndroidManifest.xml"中请求WRITE_SETTINGS"权限:

First you need to request the 'WRITE_SETTINGS' permission in your 'AndroidManifest.xml':

<uses-permission android:name="android.permission.WRITE_SETTINGS"/>

然后您需要使用以下代码实际更改设置:

Then you need to actually change the setting using the following code:

    android.provider.Settings.System.putString(getContentResolver(), android.provider.Settings.System.WIFI_USE_STATIC_IP, "0");
    android.provider.Settings.System.putString(getContentResolver(), android.provider.Settings.System.WIFI_STATIC_DNS1, "192.168.0.2");
    android.provider.Settings.System.putString(getContentResolver(), android.provider.Settings.System.WIFI_STATIC_DNS2, "192.168.0.3");
    android.provider.Settings.System.putString(getContentResolver(), android.provider.Settings.System.WIFI_STATIC_GATEWAY, "192.168.0.1");
    android.provider.Settings.System.putString(getContentResolver(), android.provider.Settings.System.WIFI_STATIC_NETMASK, "255.255.255.0");
    android.provider.Settings.System.putString(getContentResolver(), android.provider.Settings.System.WIFI_STATIC_IP, "1");

可以通过相同的方法访问当前设置，但使用getString"而不是putString".

The current settings can be accessed via the same method but use 'getString' instead of 'putString'.

有关设置选项的信息，请访问此处的参考:Settings.System |安卓开发者

For information about the settings option visit the reference here: Settings.System | Android Developers

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