Java WIFI直接发现未找到对等点
我得到了一个wifidirect应用程序,它成功地发现并连接到一个对等应用程序,我将该应用程序“附加”到我正在开发的另一个应用程序上。该应用程序本应通过蓝牙控制机器人,同时通过Wifidirect进行通信,它有一个“播放按钮”,当点击时,它会转到另一个活动,该活动有两个片段,一个是在点击“播放”按钮后出现的第一个片段,并要求用户连接到对等方(这是我连接的wifidirect应用程序),连接后进入第二个片段,这个片段有游戏界面,它有所有的蓝牙部分(连接和控制机器人) 总而言之:第一个活动有一个播放按钮,点击按钮后,它将转到第二个活动,带有两个片段。第二个活动必须使用Wifidirect连接到对等方,然后必须使用蓝牙连接和控制机器人 在第二个活动中,WifiDirect和Bluetooth通信同时发生(令人困惑…我知道) 我的问题是:如果我只使用Wifidirect应用程序,它搜索和连接都很成功,但通过两个应用程序的“融合”,它永远搜索不到任何东西。你知道发生了什么吗?可能是很多通信或同一活动中发生的许多事情?如果我感到困惑,请告诉我 我的Wifidiscovery活动:Java WIFI直接发现未找到对等点,java,android-fragments,bluetooth,wifi-direct,Java,Android Fragments,Bluetooth,Wifi Direct,我得到了一个wifidirect应用程序,它成功地发现并连接到一个对等应用程序,我将该应用程序“附加”到我正在开发的另一个应用程序上。该应用程序本应通过蓝牙控制机器人,同时通过Wifidirect进行通信,它有一个“播放按钮”,当点击时,它会转到另一个活动,该活动有两个片段,一个是在点击“播放”按钮后出现的第一个片段,并要求用户连接到对等方(这是我连接的wifidirect应用程序),连接后进入第二个片段,这个片段有游戏界面,它有所有的蓝牙部分(连接和控制机器人) 总而言之:第一个活动有一个播放
public class WiFiServiceDiscoveryActivity extends Activity implements
DeviceClickListener, Handler.Callback, MessageTarget,
ConnectionInfoListener {
public static final String TAG = "wifidirectdemo";
// TXT RECORD properties
public static final String TXTRECORD_PROP_AVAILABLE = "available";
public static final String SERVICE_INSTANCE = "_wifidemotest";
public static final String SERVICE_REG_TYPE = "_presence._tcp";
public static final int MESSAGE_READ = 0x400 + 1;
public static final int MY_HANDLE = 0x400 + 2;
private WifiP2pManager manager;
static final int SERVER_PORT = 4545;
private final IntentFilter intentFilter = new IntentFilter();
private Channel channel;
private BroadcastReceiver receiver = null;
private WifiP2pDnsSdServiceRequest serviceRequest;
private Handler handler = new Handler(this);
private jogar chatFragment;
private WiFiDirectServicesList servicesList;
private TextView statusTxtView;
Button botaorecomecar;
public Handler getHandler() {
return handler;
}
public void setHandler(Handler handler) {
this.handler = handler;
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
statusTxtView = (TextView) findViewById(R.id.status_text);
botaorecomecar = (Button) findViewById(R.id.botaorecomecar);
intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
intentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
intentFilter
.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION);
intentFilter
.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION);
manager = (WifiP2pManager) getSystemService(Context.WIFI_P2P_SERVICE);
channel = manager.initialize(this, getMainLooper(), null);
startRegistrationAndDiscovery();
servicesList = new WiFiDirectServicesList();
getFragmentManager().beginTransaction()
.add(R.id.container_root, servicesList, "services").commit();
botaorecomecar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = getIntent();
finish();
startActivity(intent);
}
});}
@Override
protected void onRestart() {
Fragment frag = getFragmentManager().findFragmentByTag("services");
if (frag != null) {
getFragmentManager().beginTransaction().remove(frag).commit();
}
super.onRestart();
}
@Override
protected void onStop() {
if (manager != null && channel != null) {
manager.removeGroup(channel, new ActionListener() {
@Override
public void onFailure(int reasonCode) {
Log.d(TAG, "Disconecção falhada. Razão: :" + reasonCode);
}
@Override
public void onSuccess() {
}
});
}
super.onStop();
}
/**
* Registers a local service and then initiates a service discovery
*/
private void startRegistrationAndDiscovery() {
Map<String, String> record = new HashMap<String, String>();
record.put(TXTRECORD_PROP_AVAILABLE, "visivel");
WifiP2pDnsSdServiceInfo service = WifiP2pDnsSdServiceInfo.newInstance(
SERVICE_INSTANCE, SERVICE_REG_TYPE, record);
manager.addLocalService(channel, service, new ActionListener() {
@Override
public void onSuccess() {
appendStatus("Serviço local adicionado");
}
@Override
public void onFailure(int error) {
appendStatus("Falha ao adicionar serviço");
}
});
discoverService();
}
private void discoverService() {
/*
* Register listeners for DNS-SD services. These are callbacks invoked
* by the system when a service is actually discovered.
*/
manager.setDnsSdResponseListeners(channel,
new DnsSdServiceResponseListener() {
@Override
public void onDnsSdServiceAvailable(String instanceName,
String registrationType, WifiP2pDevice srcDevice) {
// A service has been discovered. Is this our app?
if (instanceName.equalsIgnoreCase(SERVICE_INSTANCE)) {
// update the UI and add the item the discovered
// device.
WiFiDirectServicesList fragment = (WiFiDirectServicesList) getFragmentManager()
.findFragmentByTag("serviços");
if (fragment != null) {
WiFiDevicesAdapter adapter = ((WiFiDevicesAdapter) fragment
.getListAdapter());
WiFiP2pService service = new WiFiP2pService();
service.device = srcDevice;
service.instanceName = instanceName;
service.serviceRegistrationType = registrationType;
adapter.add(service);
adapter.notifyDataSetChanged();
Log.d(TAG, "onBonjourServiceAvailable "
+ instanceName);
}
}
}
}, new DnsSdTxtRecordListener() {
/**
* A new TXT record is available. Pick up the advertised
* buddy name.
*/
@Override
public void onDnsSdTxtRecordAvailable(
String fullDomainName, Map<String, String> record,
WifiP2pDevice device) {
Log.d(TAG,
device.deviceName + " é "
+ record.get(TXTRECORD_PROP_AVAILABLE));
}
});
// After attaching listeners, create a service request and initiate
// discovery.
serviceRequest = WifiP2pDnsSdServiceRequest.newInstance();
manager.addServiceRequest(channel, serviceRequest,
new ActionListener() {
@Override
public void onSuccess() {
appendStatus("Adicionado pedido de descoberta de serviços");
}
@Override
public void onFailure(int arg0) {
appendStatus("Falha ao adicionar pedido de descoberta de serviços");
}
});
manager.discoverServices(channel, new ActionListener() {
@Override
public void onSuccess() {
appendStatus("Descoberta de serviços iniciada");
}
@Override
public void onFailure(int arg0) {
appendStatus("Descoberta de serviços falhada");
}
});
}
@Override
public void connectP2p(WiFiP2pService service) {
WifiP2pConfig config = new WifiP2pConfig();
config.deviceAddress = service.device.deviceAddress;
config.wps.setup = WpsInfo.PBC;
if (serviceRequest != null)
manager.removeServiceRequest(channel, serviceRequest,
new ActionListener() {
@Override
public void onSuccess() {
}
@Override
public void onFailure(int arg0) {
}
});
manager.connect(channel, config, new ActionListener() {
@Override
public void onSuccess() {
appendStatus("A conectar a um serviço");
}
@Override
public void onFailure(int errorCode) {
appendStatus("Falha ao conectar a serviço");
}
});
}
@Override
public boolean handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_READ:
byte[] readBuf = (byte[]) msg.obj;
// construct a string from the valid bytes in the buffer
String readMessage = new String(readBuf, 0, msg.arg1);
Log.d(TAG, readMessage);
(chatFragment).pushMessage(readMessage);
break;
case MY_HANDLE:
Object obj = msg.obj;
(chatFragment).setChatManager((ChatManager) obj);
}
return true;
}
@Override
public void onResume() {
super.onResume();
receiver = new WiFiDirectBroadcastReceiver(manager, channel, this);
registerReceiver(receiver, intentFilter);
}
@Override
public void onPause() {
super.onPause();
unregisterReceiver(receiver);
}
@Override
public void onConnectionInfoAvailable(WifiP2pInfo p2pInfo) {
Thread handler = null;
/*
* The group owner accepts connections using a server socket and then spawns a
* client socket for every client. This is handled by {@code
* GroupOwnerSocketHandler}
*/
if (p2pInfo.isGroupOwner) {
Log.d(TAG, "Conectado como GroupOwner");
try {
handler = new GroupOwnerSocketHandler(
((MessageTarget) this).getHandler());
handler.start();
} catch (IOException e) {
Log.d(TAG,
"Falha ao criar uma thread de servidor - " + e.getMessage());
return;
}
} else {
Log.d(TAG, "Conectado como peer");
handler = new ClientSocketHandler(
((MessageTarget) this).getHandler(),
p2pInfo.groupOwnerAddress);
handler.start();
}
chatFragment = new jogar();
getFragmentManager().beginTransaction()
.replace(R.id.container_root, chatFragment).commit();
statusTxtView.setVisibility(View.GONE);
}
public void appendStatus(String status) {
String current = statusTxtView.getText().toString();
statusTxtView.setText(current + "\n" + status);
}
公共类WiFiServiceDiscoveryActivity扩展了活动实现
DeviceClickListener、Handler.Callback、MessageTarget、,
连接信息侦听器{
公共静态最终字符串TAG=“wifidirectdemo”;
//TXT记录属性
公共静态最终字符串TXTRECORD_PROP_AVAILABLE=“AVAILABLE”;
公共静态最终字符串服务\u实例=“\u wifidemotest”;
公共静态最终字符串服务\u REG\u TYPE=“\u presence.\u tcp”;
公共静态最终整型消息_READ=0x400+1;
公共静态final int MY_HANDLE=0x400+2;
私人WifiP2pManager经理;
静态最终int服务器_端口=4545;
私有最终IntentFilter IntentFilter=新IntentFilter();
专用信道;
专用广播接收器=空;
私有WifiP2pDnsSdServiceRequest服务请求;
私有处理程序=新处理程序(此);
私人乔加查特酒店;
私人WiFiDirectServicesList服务列表;
私有文本视图状态txtview;
按钮BotaoRececar;
公共处理程序getHandler(){
返回处理程序;
}
公共void setHandler(处理程序){
this.handler=handler;
}
/**在首次创建活动时调用*/
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
statusTxtView=(TextView)findViewById(R.id.status\u text);
BotaoRecoecar=(按钮)findViewById(R.id.BotaoRecoecar);
intentFilter.addAction(WifiP2pManager.WIFI\u P2P\u STATE\u CHANGED\u ACTION);
intentFilter.addAction(WifiP2pManager.WIFI\u P2P\u PEERS\u CHANGED\u ACTION);
意向过滤器
.addAction(WifiP2pManager.WIFI\u P2P\u连接\u更改\u操作);
意向过滤器
.addAction(WifiP2pManager.WIFI\u P2P\u此设备\u更改\u操作);
manager=(WifiP2pManager)getSystemService(Context.WIFI\u P2P\u服务);
channel=manager.initialize(this,getMainLooper(),null);
startRegistrationAndDiscovery();
servicesList=newwifidirectserviceslist();
getFragmentManager().beginTransaction()
.add(R.id.container_root,servicesList,“services”).commit();
botaorecocar.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
Intent=getIntent();
完成();
星触觉(意向);
}
});}
@凌驾
受保护的void onRestart(){
Fragment frag=getFragmentManager().findFragmentByTag(“服务”);
如果(frag!=null){
getFragmentManager().beginTransaction().remove(frag.commit();
}
super.onRestart();
}
@凌驾
受保护的void onStop(){
if(manager!=null&&channel!=null){
manager.removeGroup(频道,新ActionListener(){
@凌驾
公共失效失效失效(int推理代码){
Log.d(标签“Disconecão falhada.Razão::”+推理代码);
}
@凌驾
成功时的公共无效(){
}
});
}
super.onStop();
}
/**
*注册本地服务,然后启动服务发现
*/
私有无效startRegistrationAndDiscovery(){
映射记录=新的HashMap();
记录。放置(TXTRECORD_PROP_可用,“visivel”);
WifiP2pDnsSdServiceInfo服务=WifiP2pDnsSdServiceInfo.newInstance(
服务实例、服务注册类型、记录);
addLocalService(频道、服务、新ActionListener(){
@凌驾
成功时的公共无效(){
附录状态(“服务本地adicionado”);
}
@凌驾
公共void onFailure(int错误){
附录状态(“Falha ao adicionar serviço”);
}
});
discoverService();
}
私有void discoverService(){
/*
*为DNS-SD服务注册侦听器。这些是调用的回调
*在实际发现服务时由系统执行。
*/
manager.setDnsSdResponseListeners(频道,
新的DnsSdServiceResponseListener(){
@凌驾
公共无效onDnsSdServiceAvailable(字符串instanceName,
字符串注册类型,WifiP2pDevice(设备){
//已发现服务。这是我们的应用程序吗?
if(instanceName.equalsIgnoreCase(服务\实例)){
//更新UI并添加发现的项
//装置。
WiFiDirectServicesList片段=(WiFiDirectServicesList)getFragmentManager()
.findFragmentByTag(“ser
// A service has been discovered. Is this our app?
if (instanceName.equalsIgnoreCase(SERVICE_INSTANCE)) {