質問編集履歴
2
ソースコード変更
title
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File without changes
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body
CHANGED
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@@ -139,7 +139,7 @@
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}
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-
```
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+
```ChatConnectTask.java
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import android.os.AsyncTask;
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import java.io.DataInputStream;
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@@ -149,9 +149,6 @@
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import java.net.Socket;
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-
/**
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-
* Created by 大嗣 on 2016/01/07.
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-
*/
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public class ChatConnectTask extends AsyncTask<Param,String,String > {
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private ChatConnectTaskCallback mCallback;
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@@ -227,6 +224,8 @@
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void onPostExecute(String result);
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}
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}
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+
```
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```ChatSendTask.java
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import java.io.DataOutputStream;
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import java.io.IOException;
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@@ -234,9 +233,6 @@
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import java.net.InetSocketAddress;
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import java.net.Socket;
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-
/**
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* Created by 大嗣 on 2016/01/07.
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-
*/
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public class ChatSendTask extends Thread {
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private Param param = new Param();
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1
質問内容変更
title
CHANGED
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File without changes
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body
CHANGED
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@@ -1,9 +1,296 @@
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1
1
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Android Studioを使用してチャットクライアントを作成しています.
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2
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+
public void handleButtonConnectAction(View view)はソケットを接続してバックラウンドでチャットを受信待ち状態にするメソッドです
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3
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+
しかしこれを実行すると常にチャットを受信待ちにしなければならないはずが受信待ちのバックラウンド処理がすぐに終了してしまう問題が発生してしまいます.どうすればよいのでしょうか
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4
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+
```MainActivity.java
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5
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+
import android.os.Bundle;
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6
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+
import android.support.design.widget.FloatingActionButton;
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7
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+
import android.support.design.widget.Snackbar;
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8
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+
import android.support.v7.app.AppCompatActivity;
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9
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+
import android.support.v7.widget.Toolbar;
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10
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+
import android.view.View;
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11
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+
import android.view.Menu;
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2
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-
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12
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+
import android.view.MenuItem;
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13
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+
import android.widget.Button;
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14
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+
import android.widget.EditText;
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+
import android.widget.TextView;
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+
import android.widget.Toast;
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3
17
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+
import java.io.IOException;
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4
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-
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19
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+
import java.net.InetSocketAddress;
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20
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+
import java.net.Socket;
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21
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+
import java.util.logging.Handler;
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5
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-
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22
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+
import java.util.logging.LogRecord;
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6
23
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24
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+
public class MainActivity extends AppCompatActivity
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25
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+
implements ChatConnectTask.ChatConnectTaskCallback{
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26
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+
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7
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-
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27
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+
private ChatConnectTask connectTask;
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28
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+
private EditText inputIP;
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29
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+
private EditText inputPort;
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30
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+
private EditText inputMessage;
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31
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+
private TextView viewChat;
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32
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+
private Button buttonConnect;
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33
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+
private Button buttonSend;
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34
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+
private Socket socket;
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35
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+
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36
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+
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37
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+
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38
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39
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+
@Override
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40
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+
protected void onCreate(Bundle savedInstanceState) {
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41
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+
super.onCreate(savedInstanceState);
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42
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+
setContentView(R.layout.activity_main);
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43
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+
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
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44
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+
setSupportActionBar(toolbar);
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45
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+
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46
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+
inputIP = (EditText)findViewById(R.id.inputIP);
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47
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+
inputPort = (EditText)findViewById(R.id.inputPort);
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48
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+
inputMessage = (EditText)findViewById(R.id.inputMessage);
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49
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+
buttonConnect = (Button)findViewById(R.id.buttonConnect);
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50
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+
buttonSend = (Button)findViewById(R.id.buttonSend);
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51
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+
viewChat = (TextView)findViewById(R.id.viewChat);
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52
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+
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53
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+
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
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54
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+
fab.setOnClickListener(new View.OnClickListener() {
|
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55
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+
@Override
|
|
56
|
+
public void onClick(View view) {
|
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57
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+
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
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58
|
+
.setAction("Action", null).show();
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59
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+
}
|
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60
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+
});
|
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61
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+
}
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62
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+
|
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63
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+
//connectボタンでソケット接続&メッセージ受信
|
|
64
|
+
public void handleButtonConnectAction(View view){
|
|
65
|
+
Toast.makeText(this, "kaisi", Toast.LENGTH_SHORT).show();
|
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66
|
+
//IPアドレスを取得
|
|
67
|
+
String IP = inputIP.getText().toString();
|
|
68
|
+
//ポート番号を取得
|
|
69
|
+
int port = Integer.parseInt(inputPort.getText().toString());
|
|
70
|
+
this.socket = connect(IP,port);
|
|
71
|
+
Param param = new Param(socket);
|
|
72
|
+
connectTask = new ChatConnectTask(this);
|
|
73
|
+
connectTask.execute(param);
|
|
74
|
+
}
|
|
75
|
+
//サーバと接続するメソッド
|
|
76
|
+
protected Socket connect(final String IP, final int port){
|
|
77
|
+
new Thread(new Runnable(){
|
|
78
|
+
@Override
|
|
79
|
+
public void run(){
|
|
80
|
+
Socket socket = new Socket();
|
|
81
|
+
try {
|
|
82
|
+
socket.connect(new InetSocketAddress(IP,port));
|
|
83
|
+
} catch (IOException e) {
|
|
84
|
+
|
|
85
|
+
}
|
|
86
|
+
}
|
|
87
|
+
}).start();
|
|
88
|
+
|
|
89
|
+
return socket;
|
|
90
|
+
}
|
|
91
|
+
|
|
92
|
+
|
|
93
|
+
//送信ボタンでメッセージを送信
|
|
94
|
+
public void handleButtonSendAction(View view){
|
|
95
|
+
String message = inputMessage.getText().toString();
|
|
96
|
+
Param param = new Param(socket,message);
|
|
97
|
+
ChatSendTask sendTask = new ChatSendTask(param);
|
|
98
|
+
sendTask.start();
|
|
99
|
+
}
|
|
100
|
+
|
|
101
|
+
@Override
|
|
102
|
+
public boolean onCreateOptionsMenu(Menu menu) {
|
|
103
|
+
// Inflate the menu; this adds items to the action bar if it is present.
|
|
104
|
+
getMenuInflater().inflate(R.menu.menu_main, menu);
|
|
105
|
+
return true;
|
|
106
|
+
}
|
|
107
|
+
|
|
108
|
+
@Override
|
|
109
|
+
public boolean onOptionsItemSelected(MenuItem item) {
|
|
110
|
+
// Handle action bar item clicks here. The action bar will
|
|
111
|
+
// automatically handle clicks on the Home/Up button, so long
|
|
112
|
+
// as you specify a parent activity in AndroidManifest.xml.
|
|
113
|
+
int id = item.getItemId();
|
|
114
|
+
|
|
115
|
+
//noinspection SimplifiableIfStatement
|
|
116
|
+
if (id == R.id.action_settings) {
|
|
117
|
+
return true;
|
|
118
|
+
}
|
|
119
|
+
|
|
120
|
+
return super.onOptionsItemSelected(item);
|
|
121
|
+
}
|
|
122
|
+
|
|
123
|
+
@Override
|
|
124
|
+
public void onPreExecute() {
|
|
125
|
+
|
|
126
|
+
}
|
|
127
|
+
|
|
128
|
+
@Override
|
|
129
|
+
public void onProgressUpdate(String... message) {
|
|
130
|
+
viewChat.setText(message[0].toString());
|
|
131
|
+
}
|
|
132
|
+
|
|
133
|
+
@Override
|
|
134
|
+
public void onPostExecute(String result) {
|
|
135
|
+
Toast.makeText(this,result,Toast.LENGTH_LONG).show();
|
|
136
|
+
inputMessage.setText("");
|
|
137
|
+
}
|
|
138
|
+
|
|
139
|
+
|
|
140
|
+
|
|
141
|
+
}
|
|
142
|
+
``````ChatTask.java
|
|
143
|
+
import android.os.AsyncTask;
|
|
144
|
+
|
|
145
|
+
import java.io.DataInputStream;
|
|
146
|
+
|
|
147
|
+
import java.io.IOException;
|
|
148
|
+
import java.io.InputStream;
|
|
149
|
+
|
|
150
|
+
import java.net.Socket;
|
|
151
|
+
|
|
152
|
+
/**
|
|
153
|
+
* Created by 大嗣 on 2016/01/07.
|
|
154
|
+
*/
|
|
155
|
+
public class ChatConnectTask extends AsyncTask<Param,String,String > {
|
|
156
|
+
private ChatConnectTaskCallback mCallback;
|
|
157
|
+
|
|
8
|
-
|
|
158
|
+
private String showMessage = " ";//nullConnectと表示させないための処置
|
|
159
|
+
|
|
160
|
+
public ChatConnectTask(ChatConnectTaskCallback callback){
|
|
161
|
+
|
|
162
|
+
this.mCallback = callback;
|
|
163
|
+
}
|
|
164
|
+
|
|
165
|
+
|
|
166
|
+
|
|
167
|
+
|
|
168
|
+
@Override
|
|
169
|
+
protected void onPreExecute(){
|
|
170
|
+
if(mCallback != null)
|
|
171
|
+
mCallback.onPreExecute();
|
|
172
|
+
}
|
|
173
|
+
|
|
174
|
+
protected String doInBackground(Param... param){
|
|
175
|
+
|
|
176
|
+
Socket socket = param[0].param1;
|
|
177
|
+
|
|
178
|
+
try {
|
|
179
|
+
|
|
180
|
+
while(socket != null) {
|
|
181
|
+
// 接続されたソケットの入力ストリームを取得し，データ入力ストリームを連結
|
|
182
|
+
InputStream is = socket.getInputStream();
|
|
183
|
+
DataInputStream dis = new DataInputStream(is);
|
|
184
|
+
|
|
185
|
+
|
|
186
|
+
// データの受信
|
|
187
|
+
String receiveMessage = dis.readUTF();
|
|
188
|
+
//受信したデータに改行をつけてメッセージを追加していく
|
|
189
|
+
showMessage += receiveMessage + "\r\n";
|
|
190
|
+
// 受信したデータを表示
|
|
191
|
+
|
|
192
|
+
publishProgress(showMessage);
|
|
193
|
+
}
|
|
194
|
+
|
|
195
|
+
|
|
196
|
+
} catch (Exception e) {
|
|
197
|
+
e.printStackTrace();
|
|
198
|
+
} finally {
|
|
199
|
+
// ソケットをクローズする
|
|
200
|
+
if (socket != null ) {
|
|
201
|
+
try {
|
|
202
|
+
socket.close();
|
|
203
|
+
} catch (IOException e) {}
|
|
204
|
+
}
|
|
205
|
+
}
|
|
206
|
+
|
|
207
|
+
return "チャットを終了します";
|
|
208
|
+
}
|
|
209
|
+
|
|
210
|
+
@Override
|
|
211
|
+
protected void onProgressUpdate(String... message){
|
|
212
|
+
if(mCallback != null)
|
|
213
|
+
mCallback.onProgressUpdate(message);
|
|
214
|
+
}
|
|
215
|
+
|
|
216
|
+
@Override
|
|
217
|
+
protected void onPostExecute(String result ){
|
|
218
|
+
if(mCallback != null) {
|
|
219
|
+
mCallback.onPostExecute(result);
|
|
220
|
+
}
|
|
221
|
+
}
|
|
222
|
+
|
|
223
|
+
|
|
224
|
+
public interface ChatConnectTaskCallback{
|
|
225
|
+
void onPreExecute();
|
|
226
|
+
void onProgressUpdate(String... message);
|
|
227
|
+
void onPostExecute(String result);
|
|
228
|
+
}
|
|
229
|
+
}
|
|
230
|
+
```ChatSendTask.java
|
|
231
|
+
import java.io.DataOutputStream;
|
|
232
|
+
import java.io.IOException;
|
|
233
|
+
import java.io.OutputStream;
|
|
234
|
+
import java.net.InetSocketAddress;
|
|
235
|
+
import java.net.Socket;
|
|
236
|
+
|
|
237
|
+
/**
|
|
238
|
+
* Created by 大嗣 on 2016/01/07.
|
|
239
|
+
*/
|
|
240
|
+
public class ChatSendTask extends Thread {
|
|
241
|
+
private Param param = new Param();
|
|
242
|
+
|
|
243
|
+
public ChatSendTask(Param... params){
|
|
244
|
+
this.param.param1 = params[0].param1;
|
|
245
|
+
this.param.param2 = params[0].param2;
|
|
246
|
+
}
|
|
247
|
+
|
|
248
|
+
public void run(){
|
|
249
|
+
|
|
250
|
+
try {
|
|
251
|
+
|
|
9
|
-
|
|
252
|
+
// 接続されたソケットの出力力ストリームを取得し，データ出力ストリームを連結
|
|
253
|
+
OutputStream os = param.param1.getOutputStream();
|
|
254
|
+
DataOutputStream dos = new DataOutputStream(os);
|
|
255
|
+
// テキストフィールドの文字を取得
|
|
256
|
+
String sendMessage = param.param2;
|
|
257
|
+
//データの送信
|
|
258
|
+
dos.writeUTF(sendMessage);
|
|
259
|
+
dos.flush();
|
|
260
|
+
|
|
261
|
+
|
|
262
|
+
} catch (Exception e) {
|
|
263
|
+
e.printStackTrace();
|
|
264
|
+
} finally {
|
|
265
|
+
// ソケットをクローズする
|
|
266
|
+
if (param.param1 != null) {
|
|
267
|
+
try {
|
|
268
|
+
param.param1.close();
|
|
269
|
+
} catch (IOException e) {}
|
|
270
|
+
}
|
|
271
|
+
}
|
|
272
|
+
}
|
|
273
|
+
|
|
274
|
+
}
|
|
275
|
+
```Param.java
|
|
276
|
+
import java.net.Socket;
|
|
277
|
+
|
|
278
|
+
|
|
279
|
+
public class Param {
|
|
280
|
+
Socket param1;
|
|
281
|
+
String param2;
|
|
282
|
+
|
|
283
|
+
|
|
284
|
+
Param(Socket param1,String param2){
|
|
285
|
+
this.param1 = param1;
|
|
286
|
+
this.param2 = param2;
|
|
287
|
+
}
|
|
288
|
+
Param(Socket param1){
|
|
289
|
+
this(param1,null);
|
|
290
|
+
}
|
|
291
|
+
Param(){
|
|
292
|
+
this(null,null);
|
|
293
|
+
}
|
|
294
|
+
|
|
295
|
+
}
|
|
296
|
+
```
|