我正在寻找适用于 android 的苹果 bonjour。有推荐的罐子吗?
我搜索了一个苹果 bonjour 应用程序,发现了 Jmdns 应用程序http://home.heeere.com/tech-androidjmdns.html。
但在运行DEMO应用程序时,应用程序启动时出现错误。在 Eclipse LogCat 之后:
09-05 13:56:49.926: E/AndroidRuntime(13243): java.lang.NoClassDefFoundError: javax.jmdns.JmDNS
09-05 13:56:49.926: E/AndroidRuntime(13243): at com.heeere.android.dnssdtuto.DnssdDiscovery.setUp(DnssdDiscovery.java:44)
09-05 13:56:49.926: E/AndroidRuntime(13243): at com.heeere.android.dnssdtuto.DnssdDiscovery.access$0(DnssdDiscovery.java:38)
09-05 13:56:49.926: E/AndroidRuntime(13243): at com.heeere.android.dnssdtuto.DnssdDiscovery$1.run(DnssdDiscovery.java:27)
09-05 13:56:49.926: E/AndroidRuntime(13243): at android.os.Handler.handleCallback(Handler.java:587)
09-05 13:56:49.926: E/AndroidRuntime(13243): at android.os.Handler.dispatchMessage(Handler.java:92)
09-05 13:56:49.926: E/AndroidRuntime(13243): at android.os.Looper.loop(Looper.java:123)
09-05 13:56:49.926: E/AndroidRuntime(13243): at android.app.ActivityThread.main(ActivityThread.java:4363)
Java代码:
package com.heeere.android.dnssdtuto;
import java.io.IOException;
import javax.jmdns.JmDNS;
import javax.jmdns.ServiceEvent;
import javax.jmdns.ServiceInfo;
import javax.jmdns.ServiceListener;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class DnssdDiscovery extends Activity {
android.net.wifi.WifiManager.MulticastLock lock;
android.os.Handler handler = new android.os.Handler();
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
handler.postDelayed(new Runnable() {
public void run() {
setUp();
}
}, 1000);
} /** Called when the activity is first created. */
private String type = "_workspace._tcp.local.";
private JmDNS jmdns = null;
private ServiceListener listener = null;
private ServiceInfo serviceInfo;
private void setUp() {
android.net.wifi.WifiManager wifi = (android.net.wifi.WifiManager) getSystemService(android.content.Context.WIFI_SERVICE);
lock = wifi.createMulticastLock("mylockthereturn");
lock.setReferenceCounted(true);
lock.acquire();
try {
jmdns = JmDNS.create();
jmdns.addServiceListener(type, listener = new ServiceListener() {
public void serviceResolved(ServiceEvent ev) {
notifyUser("Service resolved: " + ev.getInfo().getQualifiedName() + " port:" + ev.getInfo().getPort());
}
public void serviceRemoved(ServiceEvent ev) {
notifyUser("Service removed: " + ev.getName());
}
public void serviceAdded(ServiceEvent event) {
// Required to force serviceResolved to be called again (after the first search)
jmdns.requestServiceInfo(event.getType(), event.getName(), 1);
}
});
serviceInfo = ServiceInfo.create("_test._tcp.local.", "AndroidTest", 0, "plain test service from android");
jmdns.registerService(serviceInfo);
} catch (IOException e) {
e.printStackTrace();
return;
}
}
private void notifyUser(final String msg) {
handler.postDelayed(new Runnable() {
public void run() {
TextView t = (TextView)findViewById(R.id.text);
t.setText(msg+"\n=== "+t.getText());
}
}, 1);
}
@Override
protected void onStart() {
super.onStart();
//new Thread(){public void run() {setUp();}}.start();
}
@Override
protected void onStop() {
if (jmdns != null) {
if (listener != null) {
jmdns.removeServiceListener(type, listener);
listener = null;
}
jmdns.unregisterAllServices();
try {
jmdns.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
jmdns = null;
}
//repo.stop();
//s.stop();
lock.release();
super.onStop();
}
}
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.heeere.android.dnssdtuto"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".DnssdDiscovery"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.CHANGE_WIFI_MULTICAST_STATE"/>
</manifest>