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2014/10/16 ¤W¤È 08:25:40
android Programming Glossary: tcpHttpURLConnection.getResponseCode() returns -1 on second invocation http://stackoverflow.com/questions/1440957/httpurlconnection-getresponsecode-returns-1-on-second-invocation need a trace. I normally use Ethereal Wireshark to get the TCP trace. If your first response is not 200 I do see a problem..
JDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android vary over many orders of magnitude in short spans of time. TCP really isn't great in this environment and particularly struggles.. NAT problem you can imagine carriers helpfully generating TCP ACKs to reduce latency never mind the problems that causes with..
Remote debugging with Android emulator http://stackoverflow.com/questions/1754162/remote-debugging-with-android-emulator that cmb mentioned but I can confirm that forwarding the TCP ports yourself &mdash such as over SSH &mdash works fine. The.. as over SSH &mdash works fine. The emulator listens on two TCP ports per instance 5554 for the telnet interface and 5555 for..
Listen to a shoutcast with Android http://stackoverflow.com/questions/1963105/listen-to-a-shoutcast-with-android First I tried to connect to the shoutcast via sockets TCP and UDP failed. I couldn't even receive one byte from the server...
How can I connect to Android with ADB over TCP? http://stackoverflow.com/questions/2604727/how-can-i-connect-to-android-with-adb-over-tcp can I connect to Android with ADB over TCP I am attempting to debug an application on a Motorola Droid.. from the host. I installed a couple of different USB over TCP solutions but the connection appears to have issues since the..
Android Debugging InetAddress.isReachable http://stackoverflow.com/questions/2935325/android-debugging-inetaddress-isreachable systems. you'd better check connectivity with establishing TCP connection to ports you know should be open. share improve..
Service discovery failed exception using Bluetooth on Android http://stackoverflow.com/questions/3397071/service-discovery-failed-exception-using-bluetooth-on-android back. Currently I have the connect read write working for TCP IP over Wi Fi and now trying to implement Bluetooth. But I am..
How can I forward my localhost IP-Address to an Android Emulator? http://stackoverflow.com/questions/5064304/how-can-i-forward-my-localhost-ip-address-to-an-android-emulator you have to specify what kind of port you want to forward TCP or UDP port which port on the local machine you want to forward..
Example: Android bi-directional network socket using AsyncTask http://stackoverflow.com/questions/5135438/example-android-bi-directional-network-socket-using-asynctask from the client once all the data has been sent. For other TCP data streams the connection will stay up until one side disconnects...
Android (Java) network programming resources http://stackoverflow.com/questions/623533/android-java-network-programming-resources application for Android which would transfer data through TCP connection. Does anyone know for any good example or book where..
Getting started with Open NFC emulator http://stackoverflow.com/questions/6770774/getting-started-with-open-nfc-emulator improve this question @nikhil Thanks for the link to TCP Echo Server. I got my OpenNFC stack to work after running the..
Where to stop/destroy threads in Android Service class? http://stackoverflow.com/questions/680180/where-to-stop-destroy-threads-in-android-service-class created a threaded service the following way public class TCPClientService extends Service ... @Override public void onCreate.. Measurements.isEmpty Thread.sleep 1000 continue Log.d TCP C Connecting... Socket socket new Socket socket.setTcpNoDelay.. throw new Exception Server Unavailable try Log.d TCP C Sending ' message ' PrintWriter out new PrintWriter new BufferedWriter..
How to get ndk-gdb working on Android? http://stackoverflow.com/questions/10534367/how-to-get-ndk-gdb-working-on-android PID is your application process id. running adb forward tcp 5055 tcp 5055 on host running arm linux androideabi gdb.exe.. your application process id. running adb forward tcp 5055 tcp 5055 on host running arm linux androideabi gdb.exe from your..
Nexus 7 not visible over usb via “adb devices” from Windows 7 x64 http://stackoverflow.com/questions/11974700/nexus-7-not-visible-over-usb-via-adb-devices-from-windows-7-x64 socket_loopback_client port 5037 type tcp fd 100 system core adb transport.c writex writex fd 100 len.. socket_loopback_client port 5037 type tcp fd 101 system core adb transport.c writex writex fd 101 len..
JDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android but cleanup of lost and abandoned connections is as is the tcp keepalive traffic required to make it work and the long stalled..
How can I connect to Android with ADB over TCP? http://stackoverflow.com/questions/2604727/how-can-i-connect-to-android-with-adb-over-tcp or possibly other viable options android networking tcp debugging adb share improve this question Manual Process.. from the device with the commands su setprop service.adb.tcp.port 5555 stop adbd start adbd And you can disable it and return.. return ADB to listening on USB with setprop service.adb.tcp.port 1 stop adbd start adbd From a Computer if You Have USB..
http://stackoverflow.com/questions/4577268/iptables-in-android #include linux types.h #include linux ip.h #include linux tcp.h #include linux netfilter.h for NF_ACCEPT #include errno.h.. TO 192.168.191.129 #define NAT_TO 192.168.2.246 struct tcp_pseudo the tcp pseudo header __u32 src_addr __u32 dst_addr __u8.. #define NAT_TO 192.168.2.246 struct tcp_pseudo the tcp pseudo header __u32 src_addr __u32 dst_addr __u8 zero __u8 proto..
Connecting 2 Emulator instances In Android http://stackoverflow.com/questions/4683854/connecting-2-emulator-instances-in-android I set up a redirection telnet localhost 5554 redir add tcp 4445 4444 But it's not connecting....Please help me. I appreciate.. ports similar to you telnet localhost 5554 redir add tcp 5000 6000 My client code establshing connection on port 5000..
How can I forward my localhost IP-Address to an Android Emulator? http://stackoverflow.com/questions/5064304/how-can-i-forward-my-localhost-ip-address-to-an-android-emulator give you the following line KO bad redirection format try tcp udp hostport guestport This means that you have to specify what..
Getting started with Open NFC emulator http://stackoverflow.com/questions/6770774/getting-started-with-open-nfc-emulator . start echo server on port 7 using the cmd echotool p tcp s 7 start Android emulator using the AVD just created. from..
Possible to use VpnService implementation to capture and send packets? http://stackoverflow.com/questions/9199553/possible-to-use-vpnservice-implementation-to-capture-and-send-packets Proto Recv Q Send Q Local Address Foreign Address State tcp 0 0 192.168.1.126 49828 97.74.42.79 80 ESTABLISHED tcp6 0 0.. tcp 0 0 192.168.1.126 49828 97.74.42.79 80 ESTABLISHED tcp6 0 0 ffff 127.0.0.1 5000 LISTEN tcp6 0 522 ffff 10.8.0.1 50294.. 80 ESTABLISHED tcp6 0 0 ffff 127.0.0.1 5000 LISTEN tcp6 0 522 ffff 10.8.0.1 50294 ffff 97.74.42.79 80 ESTABLISHED tcp6..
HttpURLConnection.getResponseCode() returns -1 on second invocation http://stackoverflow.com/questions/1440957/httpurlconnection-getresponsecode-returns-1-on-second-invocation the symptom. If the response from first request is 200 we need a trace. I normally use Ethereal Wireshark to get the TCP trace. If your first response is not 200 I do see a problem in your code. With OAuth the error response 401 actually returns..
JDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android has high and variable packet loss rates and latencies that vary over many orders of magnitude in short spans of time. TCP really isn't great in this environment and particularly struggles with long lived connections. The key benefit of a web.. connections to fail or go to a half open zombie state every NAT problem you can imagine carriers helpfully generating TCP ACKs to reduce latency never mind the problems that causes with packet loss discovery and window sizing wacky port blocking..
Remote debugging with Android emulator http://stackoverflow.com/questions/1754162/remote-debugging-with-android-emulator previously tried or even noticed the adb connect command that cmb mentioned but I can confirm that forwarding the TCP ports yourself &mdash such as over SSH &mdash works fine. The emulator listens on two TCP ports per instance 5554 for the.. confirm that forwarding the TCP ports yourself &mdash such as over SSH &mdash works fine. The emulator listens on two TCP ports per instance 5554 for the telnet interface and 5555 for control communication with tools like DDMS. So you could probably..
Listen to a shoutcast with Android http://stackoverflow.com/questions/1963105/listen-to-a-shoutcast-with-android horrible. Since StreamFurious can do it it must be possible. First I tried to connect to the shoutcast via sockets TCP and UDP failed. I couldn't even receive one byte from the server. I'm at the verge of tears. I don't even have a clue what's..
How can I connect to Android with ADB over TCP? http://stackoverflow.com/questions/2604727/how-can-i-connect-to-android-with-adb-over-tcp can I connect to Android with ADB over TCP I am attempting to debug an application on a Motorola Droid but I am having some difficulty connecting to the device via.. and so I cannot connect directly via USB in the guest or from the host. I installed a couple of different USB over TCP solutions but the connection appears to have issues since the adb monitor reports devicemonitor failed to start monitoring..
Android Debugging InetAddress.isReachable http://stackoverflow.com/questions/2935325/android-debugging-inetaddress-isreachable
Service discovery failed exception using Bluetooth on Android http://stackoverflow.com/questions/3397071/service-discovery-failed-exception-using-bluetooth-on-android need to write string commands and receive string responses back. Currently I have the connect read write working for TCP IP over Wi Fi and now trying to implement Bluetooth. But I am running into some roadblocks. I have been searching the web..
How can I forward my localhost IP-Address to an Android Emulator? http://stackoverflow.com/questions/5064304/how-can-i-forward-my-localhost-ip-address-to-an-android-emulator format try tcp udp hostport guestport This means that you have to specify what kind of port you want to forward TCP or UDP port which port on the local machine you want to forward hostport which port you want to set on the Emulator guestport..
Example: Android bi-directional network socket using AsyncTask http://stackoverflow.com/questions/5135438/example-android-bi-directional-network-socket-using-asynctask TextView. In the case of http a web server will disconnect from the client once all the data has been sent. For other TCP data streams the connection will stay up until one side disconnects. Screenshot AndroidManifest.xml xml version 1.0 encoding..
Android (Java) network programming resources http://stackoverflow.com/questions/623533/android-java-network-programming-resources network programming resources I would like to develop an application for Android which would transfer data through TCP connection. Does anyone know for any good example or book where client server connection example could be found I'm quite..
Getting started with Open NFC emulator http://stackoverflow.com/questions/6770774/getting-started-with-open-nfc-emulator enabled state to true android emulator nfc open nfc share improve this question @nikhil Thanks for the link to TCP Echo Server. I got my OpenNFC stack to work after running the echo server. So that other users can benefit from this exercise..
Where to stop/destroy threads in Android Service class? http://stackoverflow.com/questions/680180/where-to-stop-destroy-threads-in-android-service-class to stop destroy threads in Android Service class I have created a threaded service the following way public class TCPClientService extends Service ... @Override public void onCreate ... Measurements new LinkedList String enableDataSending.. measurement private void doSendData while true try if Measurements.isEmpty Thread.sleep 1000 continue Log.d TCP C Connecting... Socket socket new Socket socket.setTcpNoDelay true socket.connect new InetSocketAddress serverAddress.. InetSocketAddress serverAddress portNumber if socket.isConnected throw new Exception Server Unavailable try Log.d TCP C Sending ' message ' PrintWriter out new PrintWriter new BufferedWriter new OutputStreamWriter socket.getOutputStream..
How to get ndk-gdb working on Android? http://stackoverflow.com/questions/10534367/how-to-get-ndk-gdb-working-on-android in adb shell following command gdbserver 5055 attach PID where PID is your application process id. running adb forward tcp 5055 tcp 5055 on host running arm linux androideabi gdb.exe from your app folder entering following commands in gdb set.. following command gdbserver 5055 attach PID where PID is your application process id. running adb forward tcp 5055 tcp 5055 on host running arm linux androideabi gdb.exe from your app folder entering following commands in gdb set solib search..
Nexus 7 not visible over usb via “adb devices” from Windows 7 x64 http://stackoverflow.com/questions/11974700/nexus-7-not-visible-over-usb-via-adb-devices-from-windows-7-x64 _adb_connect host version system core adb sysdeps_win32.c socket_loopback_client socket_loopback_client port 5037 type tcp fd 100 system core adb transport.c writex writex fd 100 len 4 30303063 000c system core adb transport.c writex writex fd.. _adb_connect host devices system core adb sysdeps_win32.c socket_loopback_client socket_loopback_client port 5037 type tcp fd 101 system core adb transport.c writex writex fd 101 len 4 30303063 000c system core adb transport.c writex writex fd..
JDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android the server side so connection pooling isn't a big problem but cleanup of lost and abandoned connections is as is the tcp keepalive traffic required to make it work and the long stalled transactions from abandoned connections. share improve..
How can I connect to Android with ADB over TCP? http://stackoverflow.com/questions/2604727/how-can-i-connect-to-android-with-adb-over-tcp on the device using the network instead of the usb connection or possibly other viable options android networking tcp debugging adb share improve this question Manual Process From Your Device if it is Rooted According to a post on xda.. to a post on xda developers you can enable ADB over WiFi from the device with the commands su setprop service.adb.tcp.port 5555 stop adbd start adbd And you can disable it and return ADB to listening on USB with setprop service.adb.tcp.port.. 5555 stop adbd start adbd And you can disable it and return ADB to listening on USB with setprop service.adb.tcp.port 1 stop adbd start adbd From a Computer if You Have USB Access Already It is even easier to switch to using WiFi if..
http://stackoverflow.com/questions/4577268/iptables-in-android sys socket.h #include netinet in.h #include arpa inet.h #include linux types.h #include linux ip.h #include linux tcp.h #include linux netfilter.h for NF_ACCEPT #include errno.h #include libnetfilter_queue libnetfilter_queue.h #ifdef __LITTLE_ENDIAN.. addr 2 unsigned char addr 1 unsigned char addr 0 #endif #define TO 192.168.191.129 #define NAT_TO 192.168.2.246 struct tcp_pseudo the tcp pseudo header __u32 src_addr __u32 dst_addr __u8 zero __u8 proto __u16 length pseudohead long checksum unsigned.. char addr 1 unsigned char addr 0 #endif #define TO 192.168.191.129 #define NAT_TO 192.168.2.246 struct tcp_pseudo the tcp pseudo header __u32 src_addr __u32 dst_addr __u8 zero __u8 proto __u16 length pseudohead long checksum unsigned short addr..
Connecting 2 Emulator instances In Android http://stackoverflow.com/questions/4683854/connecting-2-emulator-instances-in-android generated catch block tv.setText Error2 e.printStackTrace I set up a redirection telnet localhost 5554 redir add tcp 4445 4444 But it's not connecting....Please help me. I appreciate it. android share improve this question I had success.. m catch IOException e e.printStackTrace I redirected ports similar to you telnet localhost 5554 redir add tcp 5000 6000 My client code establshing connection on port 5000 public class SocketClient extends Activity private Button bt..
How can I forward my localhost IP-Address to an Android Emulator? http://stackoverflow.com/questions/5064304/how-can-i-forward-my-localhost-ip-address-to-an-android-emulator But you can't use it just like that. Typing redir add will give you the following line KO bad redirection format try tcp udp hostport guestport This means that you have to specify what kind of port you want to forward TCP or UDP port which port..
Getting started with Open NFC emulator http://stackoverflow.com/questions/6770774/getting-started-with-open-nfc-emulator from other machines. start NFCC simulator run NfcSimulator.exe . start echo server on port 7 using the cmd echotool p tcp s 7 start Android emulator using the AVD just created. from the emulator select Settings Wireless networks NFC settings..
Possible to use VpnService implementation to capture and send packets? http://stackoverflow.com/questions/9199553/possible-to-use-vpnservice-implementation-to-capture-and-send-packets I have looked at tPacketCapture using adb shell netstat Proto Recv Q Send Q Local Address Foreign Address State tcp 0 0 192.168.1.126 49828 97.74.42.79 80 ESTABLISHED tcp6 0 0 ffff 127.0.0.1 5000 LISTEN tcp6 0 522 ffff 10.8.0.1 50294.. netstat Proto Recv Q Send Q Local Address Foreign Address State tcp 0 0 192.168.1.126 49828 97.74.42.79 80 ESTABLISHED tcp6 0 0 ffff 127.0.0.1 5000 LISTEN tcp6 0 522 ffff 10.8.0.1 50294 ffff 97.74.42.79 80 ESTABLISHED tcp6 0 0 ffff 192.168.1.126.. Foreign Address State tcp 0 0 192.168.1.126 49828 97.74.42.79 80 ESTABLISHED tcp6 0 0 ffff 127.0.0.1 5000 LISTEN tcp6 0 522 ffff 10.8.0.1 50294 ffff 97.74.42.79 80 ESTABLISHED tcp6 0 0 ffff 192.168.1.126 34210 ffff 74.125.141.188 5228 ESTABLISHED..
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