Java TCP连接期间应用程序崩溃
我是Android编程新手。我的应用程序在创建套接字时崩溃。我在清单中添加了互联网许可,Wifi已打开。我有一个服务器在PC上等待Android客户端;它与我的其他应用程序配合得很好。我不知道这个应用程序的问题出在哪里。我非常感谢你的帮助 日志错误 01-23 13:10:32.110:E/AndroidRuntime(4493):致命异常:主要Java TCP连接期间应用程序崩溃,java,android,eclipse,android-asynctask,tcpclient,Java,Android,Eclipse,Android Asynctask,Tcpclient,我是Android编程新手。我的应用程序在创建套接字时崩溃。我在清单中添加了互联网许可,Wifi已打开。我有一个服务器在PC上等待Android客户端;它与我的其他应用程序配合得很好。我不知道这个应用程序的问题出在哪里。我非常感谢你的帮助 日志错误 01-23 13:10:32.110:E/AndroidRuntime(4493):致命异常:主要 01-23 13:10:32.110:E/AndroidRuntime(4493):java.lang.RuntimeException:无法启动活动
01-23 13:10:32.110:E/AndroidRuntime(4493):java.lang.RuntimeException:无法启动活动组件信息{com.example.usapp/com.example.usapp.Settings}:android.os.NetworkOnMainThreadException
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1751)
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1767)
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.app.ActivityThread.access$1500(ActivityThread.java:122)
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1005)
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.os.Handler.dispatchMessage(Handler.java:99)上
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.os.Looper.loop(Looper.java:132)
01-23 13:10:32.110:E/AndroidRuntime(4493):位于android.app.ActivityThread.main(ActivityThread.java:4028)
01-23 13:10:32.110:E/AndroidRuntime(4493):在java.lang.reflect.Method.invokenactive(本机方法)
01-23 13:10:32.110:E/AndroidRuntime(4493):在java.lang.reflect.Method.invoke(Method.java:491)
01-23 13:10:32.110:E/AndroidRuntime(4493):在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:844)
01-23 13:10:32.110:E/AndroidRuntime(4493):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)上
01-23 13:10:32.110:E/AndroidRuntime(4493):在dalvik.system.NativeStart.main(本机方法)
01-23 13:10:32.110:E/AndroidRuntime(4493):由以下原因引起:android.os.NetworkOnMainThreadException
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1077)
01-23 13:10:32.110:E/AndroidRuntime(4493):在dalvik.system.BlockGuard$WrappedNetworkSystem.connect(BlockGuard.java:368)
01-23 13:10:32.110:E/AndroidRuntime(4493):在org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:208)
01-23 13:10:32.110:E/AndroidRuntime(4493):在org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:431)
01-23 13:10:32.110:E/AndroidRuntime(4493):在java.net.Socket.connect(Socket.java:901)上
01-23 13:10:32.110:E/AndroidRuntime(4493):在java.net.Socket.connect(Socket.java:844)上
01-23 13:10:32.110:E/AndroidRuntime(4493):位于com.example.usapp.Stream.doInBackground(Stream.java:46)
01-23 13:10:32.110:E/AndroidRuntime(4493):在com.example.usapp.Settings.onCreate(Settings.java:37)
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048)
01-23 13:10:32.110:E/AndroidRuntime(4493):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1715)
01-23 13:10:32.110:E/AndroidRuntime(4493):。。。11更多
Java类
package com.example.usapp;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.UnknownHostException;
import java.nio.ByteBuffer;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.os.Handler;
import android.util.Log;
public class Stream extends AsyncTask<Void, Void, Void>{
Bitmap image;
int frameCounter=0;
int checkCounterFPS=0;
long lastFpsTime=0;
double FPS;
protected Handler handler_bitmap, handlerdata;
boolean firstSetOfFPS=false;
double availableFPS;
double toleranceValue;
boolean firstFalseFPS = false;
byte[] datainput = new byte[1024];
Socket socket;
@Override
protected Void doInBackground(Void... params) {
Log.i("DUPA","po String doInBackground(String... params) ");
try {
Log.i("DUPA","przed socket");
socket = new Socket();
InetSocketAddress adres = new InetSocketAddress("192.168.1.50", 4444);
//adres.
socket.connect(adres);
//socket = new Socket("192.168.1.50", 4444);
Log.i("DUPA","po socket");
BufferedInputStream in = new BufferedInputStream(socket.getInputStream());
Log.i("DUPA","po socketconnected ");
/*
do {
try {
ByteBuffer buffer = ByteBuffer.allocate(9);
in.read(buffer.array());
byte[] bBuffer = new byte[9];
buffer.get(bBuffer, 0, 9);
int len = Integer.parseInt(new String(bBuffer,"US-ASCII"));
int bytesRecieved = 0;
ByteBuffer completeBuf;
completeBuf = ByteBuffer.allocate(len);
while (len > bytesRecieved) {
int inSize = in.available();
if (inSize > len- bytesRecieved) {
buffer = ByteBuffer.allocate(len- bytesRecieved);
bytesRecieved += len- bytesRecieved;
in.read(buffer.array());
completeBuf.put(buffer);
} else {
bytesRecieved += inSize;
buffer = ByteBuffer.allocate(inSize);
in.read(buffer.array());
completeBuf.put(buffer);
}
}
frameCounter++;
long delay = (long) (System.currentTimeMillis() - lastFpsTime);
if (delay > 1000) {
checkCounterFPS++;
FPS = (((double) frameCounter) / delay) * 1000;
handler_bitmap.post(new Runnable() {
public void run() {
///usunieto fps set text
}
});
frameCounter = 0;
lastFpsTime = System.currentTimeMillis();
}
if (checkCounterFPS >= 3 && firstSetOfFPS == true) {
checkCounterFPS = 0;
if (FPS <= ((double) availableFPS - toleranceValue)
|| FPS >= ((double) availableFPS + toleranceValue)) {
firstFalseFPS = true;
}
} else if (firstFalseFPS == true) {
if (FPS <= ((double) availableFPS - toleranceValue)
|| FPS >= ((double) availableFPS + toleranceValue)) {
// setSendText("FPS",(int) FPS);
firstFalseFPS = false;
}
}
//publishProgress(completeBuf);
} catch (NumberFormatException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Log.i("DUPA","blad1");
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Log.i("DUPA","blad2");
}
} while (!socket.isInputShutdown() && !socket.isClosed()); //
// publishProgress("Status: Closed".getBytes());*/
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Log.i("DUPA","blad3");
}
Log.i("AsyncTask", "doInBackground: Finished");
return null;
}
protected Bitmap onProgressUpdate(ByteBuffer... values) {
Log.i("DUPA","blad4");
return image = BitmapFactory.decodeByteArray(values[0].array(), 0,values[0].array().length);
}
}
package com.example.usapp;
导入java.io.BufferedInputStream;
导入java.io.IOException;
导入java.net.InetSocketAddress;
导入java.net.Socket;
导入java.net.SocketAddress;
导入java.net.UnknownHostException;
导入java.nio.ByteBuffer;
导入android.graphics.Bitmap;
导入android.graphics.BitmapFactory;
导入android.os.AsyncTask;
导入android.os.Handler;
导入android.util.Log;
公共类流扩展异步任务{
位图图像;
int frameCounter=0;
int-ps=0;
长时间=0;
双FPS;
受保护的处理程序\u位图、handlerdata;
布尔值firstSetOfFPS=false;
双可用EFPS;
双公差值;
布尔值firstFalseFPS=false;
字节[]数据输入=新字节[1024];
插座;
@凌驾
受保护的Void doInBackground(Void…参数){
Log.i(“DUPA”,“po String doInBackground(String…params)”);
试一试{
Log.i(“DUPA”、“przed插座”);
套接字=新套接字();
InetSocketAddress adres=新的InetSocketAddress(“192.168.1.50”,4444);
//阿迪斯。
插座连接(adres);
//插座=新插座(“192.168.1.50”,4444);
Log.i(“DUPA”、“po插座”);
BufferedInputStream in=新的BufferedInputStream(socket.getInputStream());
Log.i(“DUPA”、“po socketconnected”);
/*
做{
试一试{
ByteBuffer缓冲区=ByteBuffer.allocate(9);
in.read(buffer.array());
字节[]bBuffer=新字节[9];
get(bBuffer,0,9);
int len=Integer.parseInt(新字符串(bBuffer,“US-ASCII”);
接收的整数字节数=0;
ByteBuffer completeBuf;
completeBuf=按缓冲区分配(len);
而(len>BytesReceived){
int inSize=in.available();
如果(inSize>len-BytesReceived){
buffer=ByteBuffer.allocate(len-bytesreceived);
BytesReceived+=len-BytesReceived;
in.read(buffer.array());
完全缓冲(缓冲);
}否则{
BytesReceived+=inSize;
buffer=ByteBuffer.allocate(inSize);
in.read(buffer.array());
完全缓冲(缓冲);
}
}
帧计数器++;
长延迟=(长)(System.currentTimeMillis()-lastFpsTime);
如果(延迟>1000){
checkps++;
FPS=((双)帧计数器)/延迟*1000;
handler_bitmap.post(新的Runnable(){
公开募捐{
Stream task = new Stream();
task.execute();