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私のパソコンのTCPサーバに接続してテキストを送信するアプリを作ろうとしていますが、スレッドを起動するたびにアプリがクラッシュします。助けてください。私はちょうどそれに精通していないので、アンドロイドスタジオを使用し始めた。ここでクライアントの起動時にアンドロイドアプリがクラッシュする
は私のコードです：
package com.example.alex.hahanice;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Button;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
public class MainActivity extends AppCompatActivity {
Handler UIHandler;
Thread Thread1 = null;
public static final int SERVERPORT = 6000;
public static final String SERVERIP = "192.168.1.76";
@Override
protected void onCreate(Bundle savedInstanceState) {
this.Thread1 = new Thread(new Thread1());
this.Thread1.start();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void onClick(View v) {
View view;
runOnUiThread(new Runnable() {
public void run() {
Thread1.start();
}
});
}
class Thread1 implements Runnable
{
public void run() {
Socket socket = null;
try
{
InetAddress serverAddr = InetAddress.getByName(SERVERIP);
socket = new Socket(serverAddr, SERVERPORT);
Thread2 commThread = new Thread2(socket);
new Thread(commThread).start();
}
catch(IOException e)
{
e.printStackTrace();
}
}
}
class Thread2 implements Runnable
{
private Socket clientSocket;
private BufferedReader input;
public Thread2(Socket clientSocket)
{
this.clientSocket = clientSocket;
try
{
this.input = new BufferedReader(new InputStreamReader(this.clientSocket.getInputStream()));
}
catch(IOException e)
{
e.printStackTrace();
}
}
public void run()
{
while(!Thread.currentThread().isInterrupted())
{
try
{
String read = input.readLine();
if(read != null)
{
//UIHandler.post(new updateUIThread(read));
}
else
{
Thread1 = new Thread(new Thread1());
Thread1.start();
return;
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
}
}
ここでは、デバッガは、私が
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.alex.hahanice, PID: 3772
java.lang.IllegalStateException: Could not execute method for android:onClick
at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:293)
at android.view.View.performClick(View.java:4659)
at android.view.View$PerformClick.run(View.java:19462)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5692)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:288)
at android.view.View.performClick(View.java:4659)
at android.view.View$PerformClick.run(View.java:19462)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5692)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalThreadStateException: Thread already started
at java.lang.Thread.checkNotStarted(Thread.java:871)
at java.lang.Thread.start(Thread.java:1025)
at com.example.alex.hahanice.MainActivity$1.run(MainActivity.java:50)
at android.app.Activity.runOnUiThread(Activity.java:5001)
at com.example.alex.hahanice.MainActivity.onClick(MainActivity.java:48)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:288)
at android.view.View.performClick(View.java:4659)
at android.view.View$PerformClick.run(View.java:19462)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5692)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)
at dalvik.system.NativeStart.main(Native Method)
Disconnected from the target VM, address: 'localhost:8600', transport: 'socket'
あなたのログは、あなたがスレッドをすでに開始している、と言います。あなたはそれをもう一度開始しようとしています。この行を削除します.. this.Thread1.start（）; fromCreateメソッドから。 – Noorul
は、レイアウト・スルー・XMLを決して宣言しません。私を信じて、決してそれをしないでください。それは悪です。 –