我想使用的Nexus 4Android的WiFi直連廣播接收器不會工作
連接到WiFi Direct網絡,我有以下代碼:
public class MainActivity extends ActionBarActivity {
WifiP2pManager mWifiP2pManager;
Channel mChannel;
WiFiDirectBroadcastReceiver mReceiver;
IntentFilter mIntentFilter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mIntentFilter = new IntentFilter();
mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION);
mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION);
mWifiP2pManager = (WifiP2pManager)getSystemService(WIFI_P2P_SERVICE);
mChannel = mWifiP2pManager.initialize(this, getMainLooper(), null);
((ImageButton)findViewById(R.id.imageButton_power)).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d("p2p", "discoverPeers() called");
mWifiP2pManager.discoverPeers(mChannel, new WifiP2pManager.ActionListener() {
@Override
public void onSuccess() {
Log.d("p2p", "discoverPeers() Success");
}
@Override
public void onFailure(int reason) {
Log.d("p2p", "discoverPeers() Failure: " + reason);
}
});
}
});
}
@Override
protected void onResume() {
super.onResume();
mReceiver = new WiFiDirectBroadcastReceiver(mWifiP2pManager, mChannel, this);
registerReceiver(mReceiver, mIntentFilter);
}
@Override
protected void onPause() {
super.onPause();
unregisterReceiver(mReceiver);
}
}
而且廣播接收器:
public class WiFiDirectBroadcastReceiver extends BroadcastReceiver {
private WifiP2pManager mManager;
private Channel mChannel;
private MainActivity mActivity;
public WiFiDirectBroadcastReceiver(WifiP2pManager manager, Channel channel, MainActivity activity) {
super();
this.mManager = manager;
this.mChannel = channel;
this.mActivity = activity;
}
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.d("p2p", "Action: " + action);
if (WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION.equals(action)) {
// Check to see if Wi-Fi is enabled and notify appropriate activity
} else if (WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION.equals(action)) {
Log.d("p2p", "Requesting for peers");
if (mManager != null) {
mManager.requestPeers(mChannel, peerListListener);
}
} else if (WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION.equals(action)) {
// Respond to new connection or disconnections
} else if (WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION.equals(action)) {
// Respond to this device's wifi state changing
}
}
private WifiP2pManager.PeerListListener peerListListener = new WifiP2pManager.PeerListListener() {
@Override
public void onPeersAvailable(WifiP2pDeviceList peers) {
Log.d("p2p", "deviceCount = " + peers.getDeviceList().size());
}
};
}
當我點擊按鈕discoverPeers()
返回成功。但是,我從來沒有得到任何在指定的IntentFilter的廣播,當我開始/恢復活動我得到一些廣播:
02-26 16:19:08.684 7656-7656/com.example.app D/p2p:操作: android.net.wifi.p2p.STATE_CHANGED 02-26 16:19:08.684
7656-7656/com.example.app D/p2p:操作: android.net.wifi.p2p。 CONNECTION_STATE_CHANGE 02-26 16:19:08.684
7656-7656/com.example.app d/P2P:操作: android.net.wifi.p2p.THIS_DEVICE_CHANGED
但他們都不是我註冊到IntentFilter的人,出於某種原因,我得到了這3個,雖然他們沒有添加到過濾器中。
編輯: 看來我糊塗了與琴絃的名字和他們的實際價值,我也收到了一些我加入的IntentFilter的行動。
我想知道,您使用的是哪個Android版本? – user1850484
我也在做同樣的事情,並且還面臨着只有幾次'WIFI_P2P_PEERS_CHANGED_ACTION'意圖被廣播並且有時不播放的問題。你有沒有得到解決方案? –