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버튼을 누르면 시작되는 스레드가 있고, 스레드에는 wifi와 관련된 브로드 캐스트 리스너 및 작업이 포함되어 있습니다. 그리고 마지막으로 검색된 피어와 안드로이드 장치를 연결합니다. 방법을 알고 싶습니다. 내 스레드가 살아있을 많은 시간 ?? 내 스레드 클래스는 다음과 같습니다안드로이드 스레드의 수명 시간
public class ConnectPeers extends Thread {
private List<WifiP2pDevice> deviceList = new ArrayList<WifiP2pDevice>();
Context mContext;
private static final String TAG = "MainWiFiDirectActivity";
WifiP2pManager wifiP2pManager;
Channel wifiDirectChannel;
IntentFilter peerfilter;
IntentFilter connectionfilter;
IntentFilter p2pEnabled;
public ConnectPeers(Context mContext) {
// TODO Auto-generated constructor stub
this.mContext = mContext;
}
/**
* Listing 16-19: Creating a WiFi P2P Manager Action Listener
*/
private ActionListener actionListener = new ActionListener() {
public void onFailure(int reason) {
// Toast.makeText(getApplicationContext(),"wifi direct reason"+String.valueOf(reason),Toast.LENGTH_SHORT).show();
String errorMessage = "WiFi Direct Failed: ";
switch (reason) {
case WifiP2pManager.BUSY :
errorMessage += "Framework busy.";
// Toast.makeText(getApplicationContext(),errorMessage+String.valueOf(reason),Toast.LENGTH_SHORT).show();
break;
case WifiP2pManager.ERROR :
errorMessage += "Internal error.";
// Toast.makeText(getApplicationContext(),errorMessage+String.valueOf(reason),Toast.LENGTH_SHORT).show();
break;
case WifiP2pManager.P2P_UNSUPPORTED :
errorMessage += "Unsupported.";
// Toast.makeText(getApplicationContext(),errorMessage+String.valueOf(reason),Toast.LENGTH_SHORT).show();
break;
default:
errorMessage += "Unknown error.";
break;
}
Log.d(TAG, errorMessage);
}
public void onSuccess() {
// Success!
// Return values will be returned using a Broadcast Intent
}
};
/**
* Listing 16-18: Initializing Wi-Fi Direct
*/
private void initializeWiFiDirect() {
wifiP2pManager =
(WifiP2pManager)mContext.getSystemService(Context.WIFI_P2P_SERVICE);
wifiDirectChannel = wifiP2pManager.initialize(mContext,mContext.getMainLooper(),
new ChannelListener() {
public void onChannelDisconnected() {
initializeWiFiDirect();
}
}
);
}
/**
* Listing 16-21: Receiving a Wi-Fi Direct status change
*/
BroadcastReceiver p2pStatusReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
int WiFiDirectState = intent.getIntExtra(
WifiP2pManager.EXTRA_WIFI_STATE,
WifiP2pManager.WIFI_P2P_STATE_DISABLED);
switch (WiFiDirectState) {
case (WifiP2pManager.WIFI_P2P_STATE_ENABLED):
Toast.makeText(mContext,String.valueOf(WiFiDirectState), Toast.LENGTH_SHORT).show();
discoverPeers();
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
if(!deviceList.isEmpty())
{
connectTo(deviceList.get(0));
}
}
}, 4000);
break;
default:
}
}
};
/**
* Listing 16-22: Discovering Wi-Fi Direct peers
*/
private void discoverPeers() {
wifiP2pManager.discoverPeers(wifiDirectChannel, actionListener);
}
BroadcastReceiver peerDiscoveryReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
wifiP2pManager.requestPeers(wifiDirectChannel,
new PeerListListener() {
public void onPeersAvailable(WifiP2pDeviceList peers) {
deviceList.clear();
deviceList.addAll(peers.getDeviceList());
}
});
Toast.makeText(mContext,"discovery called", Toast.LENGTH_SHORT).show();
}
};
/**
* Listing 16-23: Requesting a connection to a Wi-Fi Direct peer
*/
void connectTo(WifiP2pDevice device) {
WifiP2pConfig config = new WifiP2pConfig();
config.deviceAddress = device.deviceAddress;
config.groupOwnerIntent=15;
// if(device.status==0)
wifiP2pManager.connect(wifiDirectChannel, config, actionListener);
Toast.makeText(mContext,"Connect to", Toast.LENGTH_SHORT).show();
// wifiP2pManager.createGroup(wifiDirectChannel, actionListener);
}
/**
* Listing 16-24: Connecting to a Wi-Fi Direct peer
*/
BroadcastReceiver connectionChangedReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// Extract the NetworkInfo
String extraKey = WifiP2pManager.EXTRA_NETWORK_INFO;
NetworkInfo networkInfo =
(NetworkInfo)intent.getParcelableExtra(extraKey);
// Check if we're connected
if (networkInfo.isConnected()) {
wifiP2pManager.requestConnectionInfo(wifiDirectChannel,
new ConnectionInfoListener() {
public void onConnectionInfoAvailable(WifiP2pInfo info) {
// If the connection is established
if (info.groupFormed) {
// If we're the server
if (info.isGroupOwner) {
// TODO Initiate server socket.
// initiateServerSocket();
Toast.makeText(mContext,"server"+info.groupOwnerAddress.toString(), Toast.LENGTH_LONG).show();
}
// If we're the client
else if (info.groupFormed) {
// TODO Initiate client socket.
// initiateClientSocket(info.groupOwnerAddress.toString());
Toast.makeText(mContext,"client"+info.groupOwnerAddress.toString(), Toast.LENGTH_LONG).show();
}
}
}
});
} else {
Log.d(TAG, "Wi-Fi Direct Disconnected");
}
}
};
@Override
public void run() {
initializeWiFiDirect();
peerfilter = new IntentFilter(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
connectionfilter = new IntentFilter(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION);
p2pEnabled = new IntentFilter(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
// When you are done
mContext. registerReceiver(peerDiscoveryReceiver, peerfilter);
mContext. registerReceiver(connectionChangedReceiver, connectionfilter);
mContext. registerReceiver(p2pStatusReceiver, p2pEnabled);
}
}
여기에서 뭔가를 찾을 수 있습니다. http://stackoverflow.com/questions/7363666/android-asynctask-and-thread-life-cycle – Triode
타이머를 넣고 (처음에 하나)이 시간을 측정하지 않는 이유는 무엇입니까? 다양한 장소에서 몇 번씩, 그 합계를 시도의 합계로 나누고보십시오 .. 저는 누군가가 여러분에게 대략적인 값을 줄 수는 없을 것이라고 생각합니다.하지만 가장 좋은 시나리오에서는 수식을 제공합니다. – g00dy
안드로이드는 쉽게 사용할 수 있도록 여기에서 사용할 수있는'AyncTask'를 제공합니다. http://developer.android.com/reference/android/os/AsyncTask.html을 참조하십시오. – guptakvgaurav