我需要在Android应用程序中实现ONVIF，直到现在我还没有取得多大成功。 我尝试使用evercam，但使用它会导致“ClassNotFoundException”。这是完整的堆栈跟踪。
04-22 20:20:22.182 5327-5638/com.example.cooln.onvif_tester E/AndroidRuntime: FATAL EXCEPTION: pool-1-thread-2
Process: com.example.cooln.onvif_tester, PID: 5327
java.lang.NoClassDefFoundError: Failed resolution of: Lnet/sbbi/upnp/Discovery;
at io.evercam.network.discovery.UpnpDiscovery.discoverAll(UpnpDiscovery.java:34)
at io.evercam.network.UpnpRunnable.run(UpnpRunnable.java:25)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
Caused by: java.lang.ClassNotFoundException: Didn't find class "net.sbbi.upnp.Discovery" on path: DexPathList[[zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/base.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_dependencies_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_resources_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_0_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_1_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_2_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_3_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_4_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_5_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_6_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_7_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_8_apk.apk", zip file "/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/lib/arm64, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/base.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_dependencies_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_resources_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_0_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_1_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_2_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_3_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_4_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_5_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_6_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_7_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_8_apk.apk!/lib/arm64-v8a, /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_slice_9_apk.apk!/lib/arm64-v8a, /system/lib64, /system/vendor/lib64]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:93)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
at io.evercam.network.discovery.UpnpDiscovery.discoverAll(UpnpDiscovery.java:34)
at io.evercam.network.UpnpRunnable.run(UpnpRunnable.java:25)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
Suppressed: java.io.IOException: No original dex files found for dex location /data/app/com.example.cooln.onvif_tester-QGIXBRlgj6RGsdcqR4YWug==/split_lib_resources_apk.apk
at dalvik.system.DexFile.openDexFileNative(Native Method)
at dalvik.system.DexFile.openDexFile(DexFile.java:353)
04-22 20:20:22.184 5327-5638/com.example.cooln.onvif_tester E/AndroidRuntime: at dalvik.system.DexFile.<init>(DexFile.java:100)
at dalvik.system.DexFile.<init>(DexFile.java:74)
at dalvik.system.DexPathList.loadDexFile(DexPathList.java:374)
at dalvik.system.DexPathList.makeDexElements(DexPathList.java:337)
at dalvik.system.DexPathList.<init>(DexPathList.java:157)
at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:65)
at dalvik.system.PathClassLoader.<init>(PathClassLoader.java:64)
at com.android.internal.os.PathClassLoaderFactory.createClassLoader(PathClassLoaderFactory.java:43)
at android.app.ApplicationLoaders.getClassLoader(ApplicationLoaders.java:69)
at android.app.ApplicationLoaders.getClassLoader(ApplicationLoaders.java:36)
at android.app.LoadedApk.createOrUpdateClassLoaderLocked(LoadedApk.java:669)
at android.app.LoadedApk.getClassLoader(LoadedApk.java:702)
at android.app.LoadedApk.getResources(LoadedApk.java:929)
at android.app.ContextImpl.createAppContext(ContextImpl.java:2242)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5708)
at android.app.ActivityThread.-wrap1(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1673)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:172)
at android.app.ActivityThread.main(ActivityThread.java:6637)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
有没有人有任何想法如何以不同的方式实现它？
答案 0 :(得分：0)
在onvif设备上为Android执行WS-Discovery的代码片段。 确保您的IP摄像机已连接到本地网络。 将本地网络广播地址提供给数据报套接字。
private void discoverWsDevices() throws SocketException {
final int WS_DISCOVERY_PORT = 3702;
final String WS_DISCOVERY_ADDRESS_IPv4 = "192.168.49.255";//"239.255.255.250";
new Thread() {
public void run() {
final String probe = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<e:Envelope xmlns:e=\"http://www.w3.org/2003/05/soap-envelope\"\n" +
"xmlns:w=\"http://schemas.xmlsoap.org/ws/2004/08/addressing\"\n" +
"xmlns:d=\"http://schemas.xmlsoap.org/ws/2005/04/discovery\"\n" +
"xmlns:dn=\"http://www.onvif.org/ver10/network/wsdl\">\n" +
"<e:Header>\n" +
"<w:MessageID>uuid:84ede3de-7dec-11d0-c360-f01234567890</w:MessageID>\n" +
"<w:To e:mustUnderstand=\"true\">urn:schemas-xmlsoap-org:ws:2005:04:discovery</w:To>\n" +
"<w:Action\n" +
"a:mustUnderstand=\"true\">http://schemas.xmlsoap.org/ws/2005/04/discovery/Probe</w:Action>\n" +
"</e:Header>\n" +
"<e:Body>\n" +
"<d:Probe>\n" +
"<d:Types>dn:NetworkVideoTransmitter</d:Types>\n" +
"</d:Probe>\n" +
"</e:Body>\n" +
"</e:Envelope>\n";
DatagramSocket datagramSocket = null;
try {
datagramSocket = new DatagramSocket();
datagramSocket.setBroadcast(true);
datagramSocket.setSoTimeout(4000);
} catch (SocketException e) {
Log.e(LOG_TAG, "In discoverWsDevices datagram socket exception" + datagramSocket);
e.printStackTrace();
}
byte[] soapMessageByteArray = probe.getBytes();
DatagramPacket datagramPacketSend = null;
try {
datagramPacketSend = new DatagramPacket(soapMessageByteArray,
soapMessageByteArray.length, InetAddress.getByName(WS_DISCOVERY_ADDRESS_IPv4), WS_DISCOVERY_PORT);
} catch (UnknownHostException e) {
Log.e(LOG_TAG, "Unknown host in send packet");
e.printStackTrace();
}
try {
datagramSocket.send(datagramPacketSend);
} catch (IOException e) {
Log.e(LOG_TAG, "In discoverWsDevices datagram socket IOException send " + datagramSocket);
e.printStackTrace();
}
Log.e(LOG_TAG, "sent port=" + datagramPacketSend.getAddress().getHostName());
List<ByteArrayInputStream> probeMatches = new ArrayList<ByteArrayInputStream>();
while (true) {
byte[] responseMessageByteArray = new byte[4000];
DatagramPacket datagramPacketRecieve = new DatagramPacket(responseMessageByteArray,
responseMessageByteArray.length);
try {
datagramSocket.receive(datagramPacketRecieve);
} catch (SocketTimeoutException e) {
datagramSocket.close();
Log.e(LOG_TAG, "In discoverWsDevices datagram socket timeout exception");
break;
} catch (IOException e) {
Log.e(LOG_TAG, "In discoverWsDevices datagram socket ioexception");
e.printStackTrace();
break;
}
Log.e(LOG_TAG, "recieved" + datagramPacketRecieve.getData().toString());
probeMatches.add(new ByteArrayInputStream(datagramPacketRecieve.getData(), 0, datagramPacketRecieve.getLength()));
}
for (ByteArrayInputStream input : probeMatches) {
byte[] bytes = new byte[input.available()];
input.read(bytes, 0, input.available());
String stream = new String(bytes);
EnvelopeProbeMatch probeMatch =
(EnvelopeProbeMatch) (new WiFiCameraSoapMessageUtil()).deserialize(stream,
"com.wifiservice.Utility.WSDiscovery.EnvelopeProbeMatch");
String xAddrs = probeMatch.getXaddress();
Log.e(LOG_TAG, "xaddress=" + probeMatch.getXaddress());
String[] split = xAddrs.split("/");
String serverIpPort = split[2];
String iPaddress = ((split[2]).split(":"))[0];
Log.e(LOG_TAG, "xAddress=" + xAddrs + "Ip Address=" + iPaddress);
if (!mWiFiCameraDeviceList.containsKey(iPaddress)) {
WiFiCameraDeviceInformation wiFiCameraDeviceInformation =
new WiFiCameraDeviceInformation(null, "",
null, null, iPaddress, "notProbed");
mWiFiCameraDeviceList.put(iPaddress, wiFiCameraDeviceInformation);
Log.e(LOG_TAG, "hashmap=" + mWiFiCameraDeviceList.toString());
(mWiFiCameraDeviceList.get(iPaddress)).mWiFiCameraClient =
WiFiCameraClientFactory.getWiFiCameraClient(
WiFiCameraClientProtocolType.WiFiCameraClientType_Onvif,
clientCallback, serverIpPort);
(mWiFiCameraDeviceList.get(iPaddress)).mProbeStatus = "Probed";
(mWiFiCameraDeviceList.get(iPaddress)).mWiFiCameraClient.getStreamURL();
}
}
}
}.start();
}