mars老师[Android开发视频教学]01_23 WIFI网络操作

创建项目：Wifi

项目运行截图：

布局文件：main.xml

[html]
<SPAN style="FONT-SIZE: 18px; FONT-FAMILY: KaiTi_GB2312"><?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
<Button
    android:id="@+id/startWifi"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="启动手机的wifi网卡"
    />
<Button
    android:id="@+id/stopWifi"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="关闭手机的wifi网卡"
    />
<Button
    android:id="@+id/checkWifi"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="检查当前wifi网卡状态"
    />
</LinearLayout></SPAN>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
<Button
android:id="@+id/startWifi"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="启动手机的wifi网卡"
    />
<Button
android:id="@+id/stopWifi"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="关闭手机的wifi网卡"
    />
<Button
android:id="@+id/checkWifi"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="检查当前wifi网卡状态"
    />
</LinearLayout>
在manifest文件设置权限：AndroidManifest.xml

[html]
<SPAN style="FONT-SIZE: 18px; FONT-FAMILY: KaiTi_GB2312"><?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="mars.wifi" android:versionCode="1" android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".WifiActivity" android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>
    <uses-sdk android:minSdkVersion="4" />
    
    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"></uses-permission>
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
</manifest> </SPAN>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="mars.wifi" android:versionCode="1" android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
  <activity android:name=".WifiActivity" android:label="@string/app_name">
   <intent-filter>
    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.LAUNCHER" />
   </intent-filter>
  </activity>

</application>
<uses-sdk android:minSdkVersion="4" />

<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
</manifest>

==>WifiActivity.java

[java] view plaincopyprint?
<SPAN style="FONT-SIZE: 18px; FONT-FAMILY: KaiTi_GB2312">package mars.wifi;

import android.app.Activity;
import android.content.Context;
import

补充：移动开发 , Android ,