请教一下WIFI创建热点的问题 - 递归火山软件开发平台

package com.tel.lajoin.wifi.hotspot;
import java.lang.reflect.Method;
import android.app.Activity;
import android.content.Context;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class HotspotActivity extends Activity {
private WifiManager wifiManager;
private Button open;
private boolean flag=false;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//获取wifi管理服务
wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
open=(Button)findViewById(R.id.open_hotspot);
//通过按钮事件设置热点
open.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//如果是打开状态就关闭，如果是关闭就打开
flag=!flag;
setWifiApEnabled(flag);
}
});
}
// wifi热点开关
public boolean setWifiApEnabled(boolean enabled) {
if (enabled) { // disable WiFi in any case
//wifi和热点不能同时打开，所以打开热点的时候需要关闭wifi
wifiManager.setWifiEnabled(false);
}
try {
//热点的配置类
WifiConfiguration apConfig = new WifiConfiguration();
//配置热点的名称(可以在名字后面加点随机数什么的)
apConfig.SSID = "YRCCONNECTION";
//配置热点的密码
apConfig.preSharedKey="12122112";
//通过反射调用设置热点
Method method = wifiManager.getClass().getMethod(
"setWifiApEnabled", WifiConfiguration.class, Boolean.TYPE);
//返回热点打开状态
return (Boolean) method.invoke(wifiManager, apConfig, enabled);
} catch (Exception e) {
return false;
}
}
}

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