android 通过adb命令控制wifi开关

public static void setSettingsWifi() {
ShellUtil.runRootCmd("svc wifi enable");
}

package com.watch.in.uitlis.data;

/**
* Created by Administrator on 2017/6/21.
*/

import android.util.Log;

import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class ShellUtil
{
private static String TAG = ShellUtil.class.getName();

public static String runCommand(String command)
{
Process process = null;
String result = "false";
try
{
process = Runtime.getRuntime().exec(command);
process.waitFor();
result = inputStreamToString(process.getInputStream());
Log.e(TAG, result);
} catch (Exception e)
{
return result;
} finally
{
try
{
process.destroy();
} catch (Exception e)
{
}
}
return result;
}

//http://blog.csdn.net/alexander_xfl/article/details/9150971
//command can be some cmd, use ; to split

public static String runRootCmd(String command)
{
return runRootCmd(command,  ";");
}

public static String runRootCmd(String command, String split)
{
Process process = null;
DataOutputStream os = null;
String result = "false";
try
{
process = Runtime.getRuntime().exec("su");
OutputStream outstream = process.getOutputStream();
DataOutputStream dataOutputStream = new DataOutputStream(outstream);
String temp = "";
String[] cmds = command.split(split);
for(int i = 0; i < cmds.length; i++)
temp += cmds[i] + "\n";
dataOutputStream.writeBytes(temp);
dataOutputStream.flush();
dataOutputStream.writeBytes("exit\n");
dataOutputStream.flush();
process.waitFor();
result = inputStreamToString(process.getInputStream());
Log.i(TAG, temp);

} catch (Exception e)
{
Log.e(TAG, e.getMessage());
return result;
} finally
{
Log.i(TAG, result);
try
{
if (os != null)
{
os.close();
}
process.destroy();
} catch (Exception e)
{
Log.e(TAG, e.getMessage());
}
}
return result;
}

private static String inputStreamToString(InputStream in) throws IOException
{
StringBuffer out = new StringBuffer();
byte[] b = new byte[1024];
for (int n; (n = in.read(b)) != -1;)
{
out.append(new String(b, 0, n));
}
return out.toString();
}
}

<!-- wifi设置模块相关权限条 -->
<!-- 以下是使用wifi访问网络所需的权限 -->
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.UPDATE_DEVICE_STATS" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
<uses-permission android:name="android.permission.WRITE_SETTINGS" />

权限挑有用的就行