关于wifi的方法

//重新获取当前wifi连接信息
public void againGetWifiInfo(){
wifiInfo=wifiManager.getConnectionInfo();
}
//判断wifi是否开启wifi网卡
public boolean isNetCardOpen(){
return wifiManager.isWifiEnabled();
}
//判断当前是否正在连接wifi
public boolean isConnectioning(){
state=connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
if(NetworkInfo.State.CONNECTING==state){
return  true;
}else {
return false;
}
}
//判断当前是否已经连接wifi
public boolean isConnected(){
state=connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
if(NetworkInfo.State.CONNECTING==state){
return  true;
}else {
return false;
}
}
//得到打枪的网络连接状态
public NetworkInfo.State getCurrentState(){
state=connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
return state;
}
//设置配置好的网络
public void setWifiCongfigedSpecifiedList(String ssid){
wifiConfigedSpecifiedList.clear();
if(wifiConfigedSpecifiedList!=null){
for(WifiConfiguration item:wifiConfigedSpecifiedList){
if(item.SSID.equalsIgnoreCase("\""+ssid+"\"")&&item.preSharedKey!=null){
wifiConfigedSpecifiedList.add(item);
}
}
}
}
//返回wifi设置列表
public List<WifiConfiguration> getWifiConfigedSpecifiedList(){
return wifiConfigedSpecifiedList;
}
//打开wifi网卡
public void openNetCard(){
if(!wifiManager.isWifiEnabled()){
wifiManager.setWifiEnabled(true);
}
}
//关闭wifi网卡
public void closeNetCard(){
if(wifiManager.isWifiEnabled()){
wifiManager.setWifiEnabled(false);
}
}
//检查当前wifi状态
public void checkCardState(){
if(wifiManager.getWifiState()==0){
Log.v(TAG,"网卡正在关闭");
}else if(wifiManager.getWifiState()==1){
Log.v(TAG,"网卡已经关闭");
}else if(wifiManager.getWifiState()==2){
Log.v(TAG,"网卡正在打开");
}else if(wifiManager.getWifiState()==3){
Log.v(TAG,"网卡已经打开");
}else {
Log.v(TAG,"没有获取到状态");
}
}
//扫描周边网络
public void scan(){
wifiManager.startScan();
scanResultList=wifiManager.getScanResults();
wifiConfigList=wifiManager.getConfiguredNetworks();
if(scanResultList!=null){
Log.i(TAG,"当前区域存在无限网络");
}else {
Log.i(TAG,"没有发现网络");
}
}
//返回扫描结果
public List<ScanResult> getScanResult(){
return  scanResultList;
}
//得到扫描结果
public void  getScanReselt(){
}
//连接指定网络
public void connect(){
wifiInfo=wifiManager.getConnectionInfo();
}
//断开当前连接的网络
public void disConnectWifi(){
int netId=wifiInfo.getNetworkId();
wifiManager.disableNetwork(netId);
wifiManager.disconnect();
wifiInfo=null;
}
//检查当前网络状态
public boolean checkNetWorkState(){
if(wifiInfo!=null){
return true;
}else {
return false;
}
}
//锁定wifi
public void acquireWifiLock(){
wifiLock.acquire();
}
//释放wifilock
public void releaseWifiLock(){
if(wifiLock.isHeld()){
wifiLock.release();
}
}
//得到wifilock
public void createWifiLock(){
wifiLock=wifiManager.createWifiLock("test");
}