使用此函数创建热点:
createHotspot()
public boolean setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) {
try {
if (enabled) {
mWifiManager.setWifiEnabled(false);
}
Method method = mWifiManager.getClass().getMethod("setWifiApEnabled", WifiConfiguration.class, boolean.class);
return (Boolean) method.invoke(mWifiManager, wifiConfig, enabled);
} catch (Exception e) {
Log.e(this.getClass().toString(), "", e);
return false;
}
}
要获取热点列表,请使用以下方法:
public void getClientList(boolean onlyReachables, FinishScanListener finishListener) {
getClientList(onlyReachables, 300, finishListener );
}
public void getClientList(final boolean onlyReachables, final int reachableTimeout, final FinishScanListener finishListener) {
Runnable runnable = new Runnable() {
public void run() {
BufferedReader br = null;
final ArrayList<ClientScanResult> result = new ArrayList<ClientScanResult>();
try {
br = new BufferedReader(new FileReader("/proc/net/arp"));
String line;
while ((line = br.readLine()) != null) {
String[] splitted = line.split(" +");
if ((splitted != null) && (splitted.length >= 4)) {
String mac = splitted[3];
if (mac.matches("..:..:..:..:..:..")) {
boolean isReachable = InetAddress.getByName(splitted[0]).isReachable(reachableTimeout);
if (!onlyReachables || isReachable) {
result.add(new ClientScanResult(splitted[0], splitted[3], splitted[5], isReachable));
}
}
}
}
} catch (Exception e) {
Log.e(this.getClass().toString(), e.toString());
} finally {
try {
br.close();
} catch (IOException e) {
Log.e(this.getClass().toString(), e.getMessage());
}
}
Handler mainHandler = new Handler(context.getMainLooper());
Runnable myRunnable = new Runnable() {
@Override
public void run() {
finishListener.onFinishScan(result);
}
};
mainHandler.post(myRunnable);
}
};
Thread mythread = new Thread(runnable);
mythread.start();
}
连接到热点,请使用以下方法:
public Boolean connectToHotspot(WifiManager wifiManager, String ssid)
{
this.wifiManager = wifiManager;
WifiConfiguration wc = new WifiConfiguration();
wc.SSID = "\"" +encodeSSID(ssid) +"\"";
wc.preSharedKey = "\"" + generatePassword(new StringBuffer(ssid).reverse().toString()) + "\"";
wifiManager.addNetwork(wc);
List<WifiConfiguration> list = wifiManager.getConfiguredNetworks();
for( WifiConfiguration i : list ) {
if(i!=null && i.SSID != null && i.SSID.equals(wc.SSID))
{
wifiManager.disconnect();
boolean status = wifiManager.enableNetwork(i.networkId, true);
wifiManager.reconnect();
return status;
}
}
return false;
}
参考资料:
https://github.com/nickrussler/Android-Wifi-Hotspot-Manager-Class/blob/master/src/com/whitebyte/wifihotspotutils/WifiApManager.java