Android接続指定WifiのDemo
アプリはSSIDとパスワードに対応しています。接続はWIFIを指定します。
Demoダウンロードアドレスhttp://download.csdn.net/detail/ericfantastic/9092739
1、MainActivity.javaはツール類WifiAdminを含む。
Demoダウンロードアドレスhttp://download.csdn.net/detail/ericfantastic/9092739
1、MainActivity.javaはツール類WifiAdminを含む。
package com.example.connectwifi;
import java.util.List;
import android.app.Activity;
import android.content.Context;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiManager.WifiLock;
import android.os.Bundle;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
WifiAdmin wa = new WifiAdmin(this);
wa.openWifi();
wa.addNetwork(wa.CreateWifiInfo("CMM-687", "11223344", 3));
}
public class WifiAdmin {
// WifiManager
private WifiManager mWifiManager;
// WifiInfo
private WifiInfo mWifiInfo;
//
private List<ScanResult> mWifiList;
//
private List<WifiConfiguration> mWifiConfiguration;
// WifiLock
WifiLock mWifiLock;
//
public WifiAdmin(Context context) {
// WifiManager
mWifiManager = (WifiManager) context
.getSystemService(Context.WIFI_SERVICE);
// WifiInfo
mWifiInfo = mWifiManager.getConnectionInfo();
}
// WIFI
public void openWifi() {
if (!mWifiManager.isWifiEnabled()) {
mWifiManager.setWifiEnabled(true);
}
}
// WIFI
public void closeWifi() {
if (mWifiManager.isWifiEnabled()) {
mWifiManager.setWifiEnabled(false);
}
}
// WIFI
public int checkState() {
return mWifiManager.getWifiState();
}
// WifiLock
public void acquireWifiLock() {
mWifiLock.acquire();
}
// WifiLock
public void releaseWifiLock() {
//
if (mWifiLock.isHeld()) {
mWifiLock.acquire();
}
}
// WifiLock
public void creatWifiLock() {
mWifiLock = mWifiManager.createWifiLock("Test");
}
//
public List<WifiConfiguration> getConfiguration() {
return mWifiConfiguration;
}
//
public void connectConfiguration(int index) {
//
if (index > mWifiConfiguration.size()) {
return;
}
// ID
mWifiManager.enableNetwork(mWifiConfiguration.get(index).networkId,
true);
}
public void startScan() {
mWifiManager.startScan();
//
mWifiList = mWifiManager.getScanResults();
//
mWifiConfiguration = mWifiManager.getConfiguredNetworks();
}
//
public List<ScanResult> getWifiList() {
return mWifiList;
}
//
public StringBuilder lookUpScan() {
StringBuilder stringBuilder = new StringBuilder();
for (int i = 0; i < mWifiList.size(); i++) {
stringBuilder
.append("Index_" + new Integer(i + 1).toString() + ":");
// ScanResult
// :BSSID、SSID、capabilities、frequency、level
stringBuilder.append((mWifiList.get(i)).toString());
stringBuilder.append("/n");
}
return stringBuilder;
}
// MAC
public String getMacAddress() {
return (mWifiInfo == null) ? "NULL" : mWifiInfo.getMacAddress();
}
// BSSID
public String getBSSID() {
return (mWifiInfo == null) ? "NULL" : mWifiInfo.getBSSID();
}
// IP
public int getIPAddress() {
return (mWifiInfo == null) ? 0 : mWifiInfo.getIpAddress();
}
// ID
public int getNetworkId() {
return (mWifiInfo == null) ? 0 : mWifiInfo.getNetworkId();
}
// WifiInfo
public String getWifiInfo() {
return (mWifiInfo == null) ? "NULL" : mWifiInfo.toString();
}
//
public void addNetwork(WifiConfiguration wcg) {
int wcgID = mWifiManager.addNetwork(wcg);
boolean b = mWifiManager.enableNetwork(wcgID, true);
System.out.println("a--" + wcgID);
System.out.println("b--" + b);
}
// ID
public void disconnectWifi(int netId) {
mWifiManager.disableNetwork(netId);
mWifiManager.disconnect();
}
// , :
public WifiConfiguration CreateWifiInfo(String SSID, String Password, int Type)
{
WifiConfiguration config = new WifiConfiguration();
config.allowedAuthAlgorithms.clear();
config.allowedGroupCiphers.clear();
config.allowedKeyManagement.clear();
config.allowedPairwiseCiphers.clear();
config.allowedProtocols.clear();
config.SSID = "\"" + SSID + "\"";
WifiConfiguration tempConfig = this.IsExsits(SSID);
if(tempConfig != null) {
mWifiManager.removeNetwork(tempConfig.networkId);
}
if(Type == 1) //
{
config.wepKeys[0] = "";
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
config.wepTxKeyIndex = 0;
}
if(Type == 2) //WEP
{
config.hiddenSSID = true;
config.wepKeys[0]= "\""+Password+"\"";
config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
config.wepTxKeyIndex = 0;
}
if(Type == 3) //WPA
{
config.preSharedKey = "\""+Password+"\"";
config.hiddenSSID = true;
config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
//config.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
config.status = WifiConfiguration.Status.ENABLED;
}
return config;
}
private WifiConfiguration IsExsits(String SSID)
{
List<WifiConfiguration> existingConfigs = mWifiManager.getConfiguredNetworks();
for (WifiConfiguration existingConfig : existingConfigs)
{
if (existingConfig.SSID.equals("\""+SSID+"\""))
{
return existingConfig;
}
}
return null;
}
}
}
2、Manifest.xmlに対応権限を追加する<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.connectwifi"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="14" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
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-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"/>
</manifest>