回答編集履歴
8
サーバ側不要setContentView削除
answer
CHANGED
|
@@ -11,7 +11,7 @@
|
|
|
11
11
|
@Override
|
|
12
12
|
protected void onCreate(Bundle savedInstanceState) {
|
|
13
13
|
super.onCreate(savedInstanceState);
|
|
14
|
-
setContentView(R.layout.activity_server);
|
|
14
|
+
//setContentView(R.layout.activity_server);
|
|
15
15
|
try {
|
|
16
16
|
new Thread(new Server("0.0.0.0",8080)).start();
|
|
17
17
|
} catch (IOException e) {
|
7
クライアントレイアウト追加
answer
CHANGED
|
@@ -236,4 +236,37 @@
|
|
|
236
236
|
}
|
|
237
237
|
}
|
|
238
238
|
}
|
|
239
|
+
```
|
|
240
|
+
```xml(R.layout.activity_client.xml)
|
|
241
|
+
<?xml version="1.0" encoding="utf-8"?>
|
|
242
|
+
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
|
243
|
+
xmlns:tools="http://schemas.android.com/tools"
|
|
244
|
+
android:layout_width="match_parent"
|
|
245
|
+
android:layout_height="match_parent"
|
|
246
|
+
android:orientation="vertical"
|
|
247
|
+
tools:context=".ClientActivity">
|
|
248
|
+
<TextView
|
|
249
|
+
android:id="@+id/question"
|
|
250
|
+
android:layout_width="match_parent"
|
|
251
|
+
android:layout_height="wrap_content"
|
|
252
|
+
android:textAppearance="@style/TextAppearance.AppCompat.Large"
|
|
253
|
+
android:text="問題文"/>
|
|
254
|
+
<EditText
|
|
255
|
+
android:id="@+id/answer"
|
|
256
|
+
android:layout_width="match_parent"
|
|
257
|
+
android:layout_height="wrap_content"
|
|
258
|
+
android:textAppearance="@style/TextAppearance.AppCompat.Large"
|
|
259
|
+
android:text="回答欄"/>
|
|
260
|
+
<TextView
|
|
261
|
+
android:id="@+id/result"
|
|
262
|
+
android:layout_width="match_parent"
|
|
263
|
+
android:layout_height="wrap_content"
|
|
264
|
+
android:textAppearance="@style/TextAppearance.AppCompat.Large"
|
|
265
|
+
android:text="結果"/>
|
|
266
|
+
<Button
|
|
267
|
+
android:id="@+id/finalAnswer"
|
|
268
|
+
android:layout_width="wrap_content"
|
|
269
|
+
android:layout_height="wrap_content"
|
|
270
|
+
android:text="回答送信"/>
|
|
271
|
+
</LinearLayout>
|
|
239
272
|
```
|
6
サーバ側コード修正, 実機サーバ<->telnetクライアントで簡単な動作確認.
answer
CHANGED
|
@@ -8,101 +8,100 @@
|
|
|
8
8
|
|
|
9
9
|
```java
|
|
10
10
|
public class ServerActivity extends AppCompatActivity {
|
|
11
|
+
@Override
|
|
12
|
+
protected void onCreate(Bundle savedInstanceState) {
|
|
13
|
+
super.onCreate(savedInstanceState);
|
|
14
|
+
setContentView(R.layout.activity_server);
|
|
15
|
+
try {
|
|
16
|
+
new Thread(new Server("0.0.0.0",8080)).start();
|
|
17
|
+
} catch (IOException e) {
|
|
18
|
+
e.printStackTrace();
|
|
19
|
+
}
|
|
20
|
+
}
|
|
21
|
+
private class Server implements Runnable {
|
|
22
|
+
private String host;
|
|
23
|
+
private int port;
|
|
24
|
+
Server(String host, int port) throws IOException {
|
|
25
|
+
this.host = host;
|
|
26
|
+
this.port = port;
|
|
27
|
+
}
|
|
11
28
|
@Override
|
|
29
|
+
public void run() {
|
|
12
|
-
|
|
30
|
+
Log.d("Server", "アドレス="+host+", ポート="+port);
|
|
13
|
-
|
|
31
|
+
ServerSocket ss = null;
|
|
14
|
-
setContentView(R.layout.activity_server);
|
|
15
|
-
|
|
32
|
+
try {
|
|
16
|
-
|
|
33
|
+
ss = new ServerSocket();
|
|
34
|
+
ss.bind(new InetSocketAddress(host, port));
|
|
17
|
-
|
|
35
|
+
while(true) {
|
|
36
|
+
Log.d("Server.run", "accept()");
|
|
18
|
-
|
|
37
|
+
Socket s = ss.accept();
|
|
38
|
+
Log.d("Server.run", "s="+s);
|
|
39
|
+
new Questioner().execute(s);
|
|
19
40
|
}
|
|
41
|
+
} catch (IOException e) {
|
|
42
|
+
Log.e("Server.run", "IOException", e);
|
|
43
|
+
} finally {
|
|
44
|
+
if(ss != null) try { ss.close(); } catch (IOException ignore) {}
|
|
45
|
+
}
|
|
20
46
|
}
|
|
21
|
-
|
|
47
|
+
}
|
|
22
|
-
|
|
48
|
+
private class Questioner extends AsyncTask<Object, Object, String> {
|
|
49
|
+
@Override
|
|
50
|
+
protected String doInBackground(Object... objects) {
|
|
51
|
+
Socket s = (Socket)objects[0]; //パラメータ1つめは Socket.
|
|
52
|
+
try {
|
|
53
|
+
BufferedWriter w = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
|
|
54
|
+
BufferedReader r = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
55
|
+
Question q;
|
|
56
|
+
for(int number=1; (q = createQuestion(number)) != null; number++) {
|
|
57
|
+
Log.d("Questioner.doInBackground", "問題送信 linecount="+q.linecount+", text="+q.text);
|
|
58
|
+
w.write(q.linecount+"\n");
|
|
59
|
+
w.write(q.text);
|
|
60
|
+
w.flush();
|
|
23
|
-
|
|
61
|
+
String result;
|
|
62
|
+
do {
|
|
24
|
-
|
|
63
|
+
Log.d("Questioner.doInBackground", "回答受信");
|
|
25
|
-
|
|
64
|
+
String answer = r.readLine();
|
|
65
|
+
Log.d("Questioner.doInBackground", "answer="+answer);
|
|
66
|
+
if(answer == null) return null;
|
|
67
|
+
result = answer.equals(q.correctAnswer) ? "OK" : "NG";
|
|
68
|
+
Log.d("Questioner.doInBackground", "判定送信 result="+result);
|
|
69
|
+
w.write(result + "\n");
|
|
70
|
+
w.flush();
|
|
71
|
+
} while (result.equals("NG"));
|
|
26
72
|
}
|
|
73
|
+
Log.d("Questioner.doInBackground", "終了送信");
|
|
74
|
+
w.write("0\n");
|
|
27
|
-
|
|
75
|
+
w.flush();
|
|
28
|
-
|
|
76
|
+
} catch (IOException e) {
|
|
29
|
-
try {
|
|
30
|
-
while(true) {//延々と受付待ち
|
|
31
|
-
Socket s = ss.accept();//サーバは受付だけ
|
|
32
|
-
|
|
77
|
+
Log.e("Questioner.doInBackground", "異常", e);
|
|
78
|
+
} finally {
|
|
79
|
+
try { s.close(); } catch(IOException ignore) {}
|
|
33
|
-
|
|
80
|
+
}
|
|
34
|
-
} catch (IOException e) {
|
|
35
|
-
e.printStackTrace();
|
|
36
|
-
|
|
81
|
+
return null;
|
|
37
|
-
try { ss.close(); } catch (IOException ignore) {}
|
|
38
|
-
}
|
|
39
|
-
}
|
|
40
82
|
}
|
|
41
|
-
//クライアントと会話する質問者. パラメータの Socket は既にクライアントと繋がっています.
|
|
42
|
-
private class Questioner extends AsyncTask<Object, Object, String> {
|
|
43
|
-
@Override
|
|
44
|
-
protected String doInBackground(Object... objects) {
|
|
45
|
-
Socket s = (Socket)objects[0];//パラメータ1つめは Socket.
|
|
46
|
-
try {
|
|
47
|
-
BufferedWriter w = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
|
|
48
|
-
BufferedReader r = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
49
|
-
|
|
83
|
+
private class Question {
|
|
50
|
-
for(int number=1; (q = createQuestion(number)) != null; number++) { //問題が無くなるまで繰り返す
|
|
51
|
-
//まずクライアントに問題を送ります. まず行数を送り, 次にその行数文の問題文を送ります. 改行を忘れないでください.
|
|
52
|
-
//これ以降のプロトコルは仕様次第です.
|
|
53
|
-
|
|
84
|
+
final int linecount;
|
|
54
|
-
w.write(q.text);
|
|
55
|
-
w.flush(); //flushしないと, バッファに入るだけで送られていない場合があります.
|
|
56
|
-
|
|
85
|
+
final String text;
|
|
57
|
-
do {
|
|
58
|
-
//問題を送るとクライアントはそれを表示して入力を待ち, 入力されたら数字を1行として送ってくることにしました.
|
|
59
|
-
//なのでそれを待ちます.
|
|
60
|
-
String answer = r.readLine(); //行は改行で終わるため, このメソッドが使えます.
|
|
61
|
-
if(answer == null) return null; //切断されたらこちらも終わります. 2重ループのため return で一気に抜けます
|
|
62
|
-
//答え合わせ.
|
|
63
|
-
|
|
86
|
+
final String correctAnswer;
|
|
87
|
+
Question(int linecount, String text, String correctAnswer) {
|
|
64
|
-
|
|
88
|
+
this.linecount = linecount;
|
|
65
|
-
} else {
|
|
66
|
-
|
|
89
|
+
this.text = text;
|
|
90
|
+
this.correctAnswer = correctAnswer;
|
|
67
|
-
|
|
91
|
+
}
|
|
68
|
-
//結果を一行でクライアントに送ります. クライアントはこれを待っているはずです.
|
|
69
|
-
w.write(result + "\n");
|
|
70
|
-
w.flush();
|
|
71
|
-
} while (result.equals("NG")); //答えが間違っていた場合再び回答待ちになります.
|
|
72
|
-
}
|
|
73
|
-
w.write("0\n"); //クライアントは次の問題を待っているはずですが, 行数 0 を送って終わりを通知します.
|
|
74
|
-
w.flush();
|
|
75
|
-
|
|
76
|
-
} catch (IOException e) {
|
|
77
|
-
e.printStackTrace();
|
|
78
|
-
} finally {
|
|
79
|
-
try { s.close(); } catch(IOException ignore) {}
|
|
80
|
-
}
|
|
81
|
-
return null;
|
|
82
|
-
}
|
|
83
|
-
//この辺りは仕様やプロトコルによって決めてください.
|
|
84
|
-
private class Question {
|
|
85
|
-
final int linecount; //text の行数. 出来れば改行の数を数える等で自動で値を求めたい所です
|
|
86
|
-
final String text; //問題文
|
|
87
|
-
final String correctAnswer; //正解
|
|
88
|
-
Question(int linecount, String text, String correctAnswer) {
|
|
89
|
-
this.linecount = linecount;
|
|
90
|
-
this.text = text;
|
|
91
|
-
this.correctAnswer = correctAnswer;
|
|
92
|
-
}
|
|
93
|
-
}
|
|
94
|
-
private Question createQuestion(int questionNumber) {
|
|
95
|
-
switch(questionNumber) {
|
|
96
|
-
case 1: return new Question(3, //行数
|
|
97
|
-
"2019年1月1日は何曜日?\n1=月曜日, 2=火曜日, 3=水曜日\n4=木曜日, 5=金曜日, 6=土曜日\n",
|
|
98
|
-
"2"); //正解
|
|
99
|
-
case 2: return new Question(1,
|
|
100
|
-
"1+2=?\n",
|
|
101
|
-
"3");
|
|
102
|
-
}
|
|
103
|
-
return null; //問題が無くなった.
|
|
104
|
-
}
|
|
105
92
|
}
|
|
93
|
+
private Question createQuestion(int questionNumber) {
|
|
94
|
+
switch(questionNumber) {
|
|
95
|
+
case 1: return new Question(3,
|
|
96
|
+
"2019年1月1日は何曜日?\n1=月曜日, 2=火曜日, 3=水曜日\n4=木曜日, 5=金曜日, 6=土曜日\n",
|
|
97
|
+
"2");
|
|
98
|
+
case 2: return new Question(1,
|
|
99
|
+
"1+2=?\n",
|
|
100
|
+
"3");
|
|
101
|
+
}
|
|
102
|
+
return null;
|
|
103
|
+
}
|
|
104
|
+
}
|
|
106
105
|
}
|
|
107
106
|
```
|
|
108
107
|
```java
|
5
コードに合わせて説明を変更
answer
CHANGED
|
@@ -2,7 +2,7 @@
|
|
|
2
2
|
すいません, 動くものにしようと書いていますが, 一気に書いた状態でまだ動かしていません.
|
|
3
3
|
レイアウトはクライアント側で, 問題表示TextView id=question, 回答欄EditText id=answer, 判定表示TextView id=result, 回答送信Button id=finalAnswer です. ボタンは全問題終了時のクライアント終了も兼ねています.
|
|
4
4
|
サーバ側は使っていません.
|
|
5
|
-
|
|
5
|
+
説明を入れてみましたが, 修正すると書き込みが大きすぎになるようで消さざるをえませんでした. あくまで参考ということでお願いします.
|
|
6
6
|
流れを図にしてみました.
|
|
7
7
|
|
|
8
8
|
|
|
@@ -118,18 +118,17 @@
|
|
|
118
118
|
questionView = (TextView)findViewById(R.id.question);
|
|
119
119
|
answerView = (EditText)findViewById(R.id.answer);
|
|
120
120
|
resultView = (TextView)findViewById(R.id.result);
|
|
121
|
-
//回答欄に入力したらボタンを押し, サーバに送信
|
|
122
121
|
finalAnswer = (Button)findViewById(R.id.finalAnswer);
|
|
123
122
|
finalAnswer.setOnClickListener(new View.OnClickListener() {
|
|
124
123
|
@Override
|
|
125
124
|
public void onClick(View v) {
|
|
126
125
|
String answer = answerView.getText().toString();
|
|
127
|
-
if(answer.length() == 0) return;
|
|
126
|
+
if(answer.length() == 0) return;
|
|
128
127
|
new ResultReceiver().execute(answer);
|
|
129
128
|
}
|
|
130
129
|
});
|
|
131
|
-
manager = new ConnectionManager("10.0.2.2", 8181);
|
|
130
|
+
manager = new ConnectionManager("10.0.2.2", 8181);
|
|
132
|
-
new QuestionReceiver().execute();
|
|
131
|
+
new QuestionReceiver().execute();
|
|
133
132
|
}
|
|
134
133
|
private ConnectionManager manager;
|
|
135
134
|
private class ConnectionManager {
|
|
@@ -144,14 +143,14 @@
|
|
|
144
143
|
}
|
|
145
144
|
void connect() throws IOException {
|
|
146
145
|
if(s == null) {
|
|
147
|
-
Log.d("
|
|
146
|
+
Log.d("ConnectionManager.connect", "接続");
|
|
148
147
|
s = new Socket(host, port);
|
|
149
148
|
try {
|
|
150
149
|
w = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
|
|
151
150
|
r = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
152
|
-
Log.d("
|
|
151
|
+
Log.d("ConnectionManager.connect", "接続成功");
|
|
153
152
|
} catch(IOException e) {
|
|
154
|
-
Log.e("
|
|
153
|
+
Log.e("ConnectionManager.connect", "接続失敗", e);
|
|
155
154
|
try { s.close(); } catch(IOException ignore) {}
|
|
156
155
|
s = null; w = null; r = null;
|
|
157
156
|
throw e;
|
|
@@ -166,37 +165,37 @@
|
|
|
166
165
|
@Override
|
|
167
166
|
protected String doInBackground(Void... aVoid) {
|
|
168
167
|
try {
|
|
169
|
-
Log.d("
|
|
168
|
+
Log.d("QuestionReceiver.doInBackground", "問題受信");
|
|
170
169
|
BufferedReader r = manager.getReader();
|
|
171
170
|
int linecount = Integer.parseInt(r.readLine());
|
|
172
|
-
Log.d("
|
|
171
|
+
Log.d("QuestionReceiver.doInBackground", "linecount="+linecount);
|
|
173
172
|
if(linecount == 0) return null;
|
|
174
173
|
String text = "";
|
|
175
174
|
for(int i=0; i<linecount; i++) text += r.readLine() + "\n";
|
|
176
|
-
Log.d("
|
|
175
|
+
Log.d("QuestionReceiver.doInBackground", "text="+text);
|
|
177
176
|
return text;
|
|
178
177
|
} catch (IOException e) {
|
|
179
|
-
Log.e("
|
|
178
|
+
Log.e("QuestionReceiver.doInBackground", "問題受信異常", e);
|
|
180
179
|
e.printStackTrace();
|
|
181
180
|
}
|
|
182
181
|
return null;
|
|
183
182
|
}
|
|
184
183
|
@Override
|
|
185
184
|
protected void onPostExecute(String text) {
|
|
186
|
-
Log.d("
|
|
185
|
+
Log.d("QuestionReceiver.onPostExecute", "text="+text);
|
|
187
186
|
if(text == null) {
|
|
188
187
|
finalAnswer.setText("終わります");
|
|
189
188
|
finalAnswer.setOnClickListener(new View.OnClickListener() {
|
|
190
189
|
@Override
|
|
191
190
|
public void onClick(View v) {
|
|
192
|
-
Log.d("
|
|
191
|
+
Log.d("QuestionReceiver.onPostExecute", "finalAnswer.OnClick");
|
|
193
192
|
manager.disconnect();
|
|
194
193
|
ClientActivity.this.finish();
|
|
195
194
|
}
|
|
196
195
|
});
|
|
197
196
|
return;
|
|
198
197
|
}
|
|
199
|
-
Log.d("
|
|
198
|
+
Log.d("QuestionReceiver.onPostExecute", "問題表示");
|
|
200
199
|
questionView.setText(text);
|
|
201
200
|
answerView.setText("");
|
|
202
201
|
resultView.setText("");
|
|
@@ -208,30 +207,30 @@
|
|
|
208
207
|
protected String doInBackground(String... answers) {
|
|
209
208
|
String answer = answers[0];
|
|
210
209
|
try {
|
|
211
|
-
Log.d("
|
|
210
|
+
Log.d("ResultReceiver.doInBackground", "回答送信 answer="+answer);
|
|
212
211
|
BufferedWriter w = manager.getWriter();
|
|
213
212
|
w.write(answer + "\n");
|
|
214
213
|
w.flush();
|
|
215
|
-
Log.d("
|
|
214
|
+
Log.d("ResultReceiver.doInBackground", "判定受信");
|
|
216
215
|
BufferedReader r = manager.getReader();
|
|
217
216
|
return r.readLine();
|
|
218
217
|
} catch(IOException e) {
|
|
219
|
-
Log.e("
|
|
218
|
+
Log.e("ResultReceiver.doInBackground", "異常", e);
|
|
220
219
|
e.printStackTrace();
|
|
221
220
|
}
|
|
222
221
|
return null;
|
|
223
222
|
}
|
|
224
223
|
@Override
|
|
225
224
|
protected void onPostExecute(String result) {
|
|
226
|
-
Log.d("
|
|
225
|
+
Log.d("ResultReceiver.onPostExecute", "判定="+result);
|
|
227
226
|
if(result == null) return;
|
|
228
|
-
Log.d("
|
|
227
|
+
Log.d("ResultReceiver.onPostExecute", "判定表示");
|
|
229
228
|
resultView.setText(result);
|
|
230
229
|
if(result.equalsIgnoreCase("OK")) {
|
|
231
|
-
Log.d("
|
|
230
|
+
Log.d("ResultReceiver.onPostExecute", "次問題");
|
|
232
231
|
new QuestionReceiver().execute();
|
|
233
232
|
} else {
|
|
234
|
-
Log.d("
|
|
233
|
+
Log.d("ResultReceiver.onPostExecute", "再回答");
|
|
235
234
|
answerView.setText("");
|
|
236
235
|
answerView.requestFocus();
|
|
237
236
|
}
|
4
クライアントコード修正
answer
CHANGED
|
@@ -1,28 +1,12 @@
|
|
|
1
|
-
普通にクライアント-サーバ
|
|
1
|
+
普通にクライアント-サーバではどういう感じになるかということで書いてみました.
|
|
2
2
|
すいません, 動くものにしようと書いていますが, 一気に書いた状態でまだ動かしていません.
|
|
3
3
|
レイアウトはクライアント側で, 問題表示TextView id=question, 回答欄EditText id=answer, 判定表示TextView id=result, 回答送信Button id=finalAnswer です. ボタンは全問題終了時のクライアント終了も兼ねています.
|
|
4
4
|
サーバ側は使っていません.
|
|
5
5
|
なるべく説明を入れてみましたが... あくまで参考ということでお願いします.
|
|
6
|
-
|
|
7
6
|
流れを図にしてみました.
|
|
8
7
|
|
|
9
8
|
|
|
10
|
-
サーバ側です
|
|
11
|
-
```java
|
|
9
|
+
```java
|
|
12
|
-
package com.example.transqa;
|
|
13
|
-
|
|
14
|
-
import android.os.AsyncTask;
|
|
15
|
-
import android.support.v7.app.AppCompatActivity;
|
|
16
|
-
import android.os.Bundle;
|
|
17
|
-
|
|
18
|
-
import java.io.BufferedReader;
|
|
19
|
-
import java.io.BufferedWriter;
|
|
20
|
-
import java.io.IOException;
|
|
21
|
-
import java.io.InputStreamReader;
|
|
22
|
-
import java.io.OutputStreamWriter;
|
|
23
|
-
import java.net.ServerSocket;
|
|
24
|
-
import java.net.Socket;
|
|
25
|
-
|
|
26
10
|
public class ServerActivity extends AppCompatActivity {
|
|
27
11
|
@Override
|
|
28
12
|
protected void onCreate(Bundle savedInstanceState) {
|
|
@@ -43,9 +27,9 @@
|
|
|
43
27
|
@Override
|
|
44
28
|
public void run() {
|
|
45
29
|
try {
|
|
46
|
-
while(true) {
|
|
30
|
+
while(true) {//延々と受付待ち
|
|
47
|
-
Socket s = ss.accept();
|
|
31
|
+
Socket s = ss.accept();//サーバは受付だけ
|
|
48
|
-
new Questioner().execute(s);
|
|
32
|
+
new Questioner().execute(s);//受付したら, 後は専用スレッドに任せます.
|
|
49
33
|
}
|
|
50
34
|
} catch (IOException e) {
|
|
51
35
|
e.printStackTrace();
|
|
@@ -58,7 +42,7 @@
|
|
|
58
42
|
private class Questioner extends AsyncTask<Object, Object, String> {
|
|
59
43
|
@Override
|
|
60
44
|
protected String doInBackground(Object... objects) {
|
|
61
|
-
Socket s = (Socket)objects[0];
|
|
45
|
+
Socket s = (Socket)objects[0];//パラメータ1つめは Socket.
|
|
62
46
|
try {
|
|
63
47
|
BufferedWriter w = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
|
|
64
48
|
BufferedReader r = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
@@ -121,117 +105,137 @@
|
|
|
121
105
|
}
|
|
122
106
|
}
|
|
123
107
|
```
|
|
124
|
-
クライアント側です
|
|
125
|
-
```java
|
|
108
|
+
```java
|
|
126
|
-
package com.example.transqa;
|
|
127
|
-
|
|
128
|
-
import android.os.AsyncTask;
|
|
129
|
-
import android.os.Bundle;
|
|
130
|
-
import android.support.v7.app.AppCompatActivity;
|
|
131
|
-
import android.view.View;
|
|
132
|
-
import android.widget.Button;
|
|
133
|
-
import android.widget.EditText;
|
|
134
|
-
import android.widget.TextView;
|
|
135
|
-
|
|
136
|
-
import java.io.BufferedReader;
|
|
137
|
-
import java.io.BufferedWriter;
|
|
138
|
-
import java.io.IOException;
|
|
139
|
-
import java.io.InputStreamReader;
|
|
140
|
-
import java.io.OutputStreamWriter;
|
|
141
|
-
import java.net.Socket;
|
|
142
|
-
|
|
143
109
|
public class ClientActivity extends AppCompatActivity {
|
|
110
|
+
private TextView questionView;
|
|
111
|
+
private EditText answerView;
|
|
112
|
+
private TextView resultView;
|
|
113
|
+
private Button finalAnswer;
|
|
114
|
+
@Override
|
|
115
|
+
protected void onCreate(Bundle savedInstanceState) {
|
|
116
|
+
super.onCreate(savedInstanceState);
|
|
117
|
+
setContentView(R.layout.activity_client);
|
|
118
|
+
questionView = (TextView)findViewById(R.id.question);
|
|
119
|
+
answerView = (EditText)findViewById(R.id.answer);
|
|
120
|
+
resultView = (TextView)findViewById(R.id.result);
|
|
121
|
+
//回答欄に入力したらボタンを押し, サーバに送信
|
|
122
|
+
finalAnswer = (Button)findViewById(R.id.finalAnswer);
|
|
123
|
+
finalAnswer.setOnClickListener(new View.OnClickListener() {
|
|
124
|
+
@Override
|
|
125
|
+
public void onClick(View v) {
|
|
126
|
+
String answer = answerView.getText().toString();
|
|
127
|
+
if(answer.length() == 0) return;//入ってなかったら無視
|
|
128
|
+
new ResultReceiver().execute(answer);
|
|
129
|
+
}
|
|
130
|
+
});
|
|
131
|
+
manager = new ConnectionManager("10.0.2.2", 8181);//これはエミュレータでの設定(telnet localhost 5554 > redir add tcp:8080:8181 後)
|
|
132
|
+
new QuestionReceiver().execute();//最初の問題を受信, 表示して回答を待ちます.
|
|
133
|
+
}
|
|
134
|
+
private ConnectionManager manager;
|
|
135
|
+
private class ConnectionManager {
|
|
136
|
+
private String host;
|
|
137
|
+
private int port;
|
|
144
138
|
private Socket s;
|
|
145
139
|
private BufferedWriter w;
|
|
146
140
|
private BufferedReader r;
|
|
147
|
-
|
|
148
|
-
private TextView questionView;
|
|
149
|
-
private EditText answerView;
|
|
150
|
-
private TextView resultView;
|
|
151
|
-
private Button finalAnswer;
|
|
152
|
-
|
|
153
|
-
@Override
|
|
154
|
-
|
|
141
|
+
ConnectionManager(String host, int port) {
|
|
155
|
-
super.onCreate(savedInstanceState);
|
|
156
|
-
setContentView(R.layout.activity_server);
|
|
157
|
-
|
|
158
|
-
questionView = (TextView)findViewById(R.id.question);
|
|
159
|
-
answerView = (EditText)findViewById(R.id.answer);
|
|
160
|
-
resultView = (TextView)findViewById(R.id.result);
|
|
161
|
-
|
|
162
|
-
//回答欄に入力したらボタンを押し, サーバに送信
|
|
163
|
-
finalAnswer = (Button)findViewById(R.id.finalAnswer);
|
|
164
|
-
finalAnswer.setOnClickListener(new View.OnClickListener() {
|
|
165
|
-
@Override
|
|
166
|
-
public void onClick(View v) {
|
|
167
|
-
String answer = answerView.getText().toString();
|
|
168
|
-
if(answer.length() == 0) return; //入ってなかったら無視
|
|
169
|
-
try {
|
|
170
|
-
w.write(answer + "\n"); //サーバに送信
|
|
171
|
-
w.flush();
|
|
172
|
-
new ResultReceiver().execute(); //結果を別タスクで受ける
|
|
173
|
-
//ここでメインも結果を受け取るまで止まりたい所ですが, メインスレッドを止めてはいけません.
|
|
174
|
-
//ResultReceiver側でぐるぐる回るプログレスを出しておくのが良いでしょう.
|
|
175
|
-
} catch (IOException e) {
|
|
176
|
-
|
|
142
|
+
this.host = host;
|
|
143
|
+
this.port = port;
|
|
177
|
-
|
|
144
|
+
}
|
|
178
|
-
|
|
145
|
+
void connect() throws IOException {
|
|
179
|
-
|
|
146
|
+
if(s == null) {
|
|
147
|
+
Log.d("ClientActivity.ConnectionManager.connect", "接続");
|
|
148
|
+
s = new Socket(host, port);
|
|
180
149
|
try {
|
|
181
|
-
s = new Socket("192.168.1.1", 8080);
|
|
182
|
-
|
|
150
|
+
w = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
|
|
183
|
-
|
|
151
|
+
r = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
184
|
-
|
|
152
|
+
Log.d("ClientActivity.ConnectionManager.connect", "接続成功");
|
|
185
|
-
} catch
|
|
153
|
+
} catch(IOException e) {
|
|
154
|
+
Log.e("ClientActivity.ConnectionManager.connect", "接続失敗", e);
|
|
155
|
+
try { s.close(); } catch(IOException ignore) {}
|
|
186
|
-
|
|
156
|
+
s = null; w = null; r = null;
|
|
157
|
+
throw e;
|
|
187
158
|
}
|
|
159
|
+
}
|
|
188
160
|
}
|
|
189
|
-
//falseを返したら問題が無くなり終了です. trueを返したら(次の)問題が表示されたことになります.
|
|
190
|
-
|
|
161
|
+
BufferedReader getReader() throws IOException { connect(); return r; }
|
|
162
|
+
BufferedWriter getWriter() throws IOException { connect(); return w; }
|
|
163
|
+
void disconnect() { if(s == null) try { s.close(); } catch(IOException ignore) {} }
|
|
164
|
+
}
|
|
165
|
+
private class QuestionReceiver extends AsyncTask<Void,Void,String> {
|
|
166
|
+
@Override
|
|
167
|
+
protected String doInBackground(Void... aVoid) {
|
|
168
|
+
try {
|
|
169
|
+
Log.d("ClientActivity.QuestionReceiver.doInBackground", "問題受信");
|
|
191
|
-
|
|
170
|
+
BufferedReader r = manager.getReader();
|
|
192
|
-
int linecount = Integer.parseInt(r.readLine());
|
|
171
|
+
int linecount = Integer.parseInt(r.readLine());
|
|
172
|
+
Log.d("ClientActivity.QuestionReceiver.doInBackground", "linecount="+linecount);
|
|
193
|
-
if(linecount == 0) return
|
|
173
|
+
if(linecount == 0) return null;
|
|
194
174
|
String text = "";
|
|
195
|
-
for(int i=0; i<linecount; i++) text += r.readLine() + "\n";
|
|
175
|
+
for(int i=0; i<linecount; i++) text += r.readLine() + "\n";
|
|
196
|
-
questionView.setText(text); //問題を表示し
|
|
197
|
-
|
|
176
|
+
Log.d("ClientActivity.QuestionReceiver.doInBackground", "text="+text);
|
|
198
|
-
resultView.setText("");
|
|
199
|
-
answerView.requestFocus(); //回答欄にフォーカスして待ちます.
|
|
200
|
-
return
|
|
177
|
+
return text;
|
|
178
|
+
} catch (IOException e) {
|
|
179
|
+
Log.e("ClientActivity.QuestionReceiver.doInBackground", "問題受信異常", e);
|
|
180
|
+
e.printStackTrace();
|
|
181
|
+
}
|
|
182
|
+
return null;
|
|
201
183
|
}
|
|
202
|
-
private class ResultReceiver extends AsyncTask<Object,Object,String> {
|
|
203
|
-
|
|
184
|
+
@Override
|
|
204
|
-
|
|
185
|
+
protected void onPostExecute(String text) {
|
|
186
|
+
Log.d("ClientActivity.QuestionReceiver.onPostExecute", "text="+text);
|
|
187
|
+
if(text == null) {
|
|
188
|
+
finalAnswer.setText("終わります");
|
|
189
|
+
finalAnswer.setOnClickListener(new View.OnClickListener() {
|
|
205
|
-
|
|
190
|
+
@Override
|
|
191
|
+
public void onClick(View v) {
|
|
192
|
+
Log.d("ClientActivity.QuestionReceiver.onPostExecute", "finalAnswer.OnClick");
|
|
206
|
-
|
|
193
|
+
manager.disconnect();
|
|
207
|
-
} catch(IOException e) {
|
|
208
|
-
|
|
194
|
+
ClientActivity.this.finish();
|
|
209
|
-
|
|
195
|
+
}
|
|
196
|
+
});
|
|
210
|
-
|
|
197
|
+
return;
|
|
211
|
-
|
|
198
|
+
}
|
|
212
|
-
@Override
|
|
213
|
-
|
|
199
|
+
Log.d("ClientActivity.QuestionReceiver.onPostExecute", "問題表示");
|
|
214
|
-
if(s == null) return; //通信が切れるとこの条件が一致してしまいます. その場合どうしましょう.
|
|
215
|
-
|
|
200
|
+
questionView.setText(text);
|
|
216
|
-
if(s.equalsIgnoreCase("OK")) { //正解だったら
|
|
217
|
-
try {
|
|
218
|
-
if(!setQuestions()) { //次の問題を受信・表示します. が, 問題が無くなったら終わります
|
|
219
|
-
|
|
201
|
+
answerView.setText("");
|
|
220
|
-
finalAnswer.setOnClickListener(new View.OnClickListener() {
|
|
221
|
-
@Override
|
|
222
|
-
public void onClick(View v) {
|
|
223
|
-
ClientActivity.this.finish(); //かなり強引です！
|
|
224
|
-
}
|
|
225
|
-
});
|
|
226
|
-
}
|
|
227
|
-
} catch (IOException e) {
|
|
228
|
-
e.printStackTrace();
|
|
229
|
-
}
|
|
230
|
-
} else { //不正解だったら
|
|
231
|
-
|
|
202
|
+
resultView.setText("");
|
|
232
|
-
|
|
203
|
+
answerView.requestFocus();
|
|
233
|
-
}
|
|
234
|
-
}
|
|
235
204
|
}
|
|
205
|
+
}
|
|
206
|
+
private class ResultReceiver extends AsyncTask<String,Object,String> {
|
|
207
|
+
@Override
|
|
208
|
+
protected String doInBackground(String... answers) {
|
|
209
|
+
String answer = answers[0];
|
|
210
|
+
try {
|
|
211
|
+
Log.d("ClientActivity.ResultReceiver.doInBackground", "回答送信 answer="+answer);
|
|
212
|
+
BufferedWriter w = manager.getWriter();
|
|
213
|
+
w.write(answer + "\n");
|
|
214
|
+
w.flush();
|
|
215
|
+
Log.d("ClientActivity.ResultReceiver.doInBackground", "判定受信");
|
|
216
|
+
BufferedReader r = manager.getReader();
|
|
217
|
+
return r.readLine();
|
|
218
|
+
} catch(IOException e) {
|
|
219
|
+
Log.e("ClientActivity.ResultReceiver.doInBackground", "異常", e);
|
|
220
|
+
e.printStackTrace();
|
|
221
|
+
}
|
|
222
|
+
return null;
|
|
223
|
+
}
|
|
224
|
+
@Override
|
|
225
|
+
protected void onPostExecute(String result) {
|
|
226
|
+
Log.d("ClientActivity.ResultReceiver.onPostExecute", "判定="+result);
|
|
227
|
+
if(result == null) return;
|
|
228
|
+
Log.d("ClientActivity.ResultReceiver.onPostExecute", "判定表示");
|
|
229
|
+
resultView.setText(result);
|
|
230
|
+
if(result.equalsIgnoreCase("OK")) {
|
|
231
|
+
Log.d("ClientActivity.ResultReceiver.onPostExecute", "次問題");
|
|
232
|
+
new QuestionReceiver().execute();
|
|
233
|
+
} else {
|
|
234
|
+
Log.d("ClientActivity.ResultReceiver.onPostExecute", "再回答");
|
|
235
|
+
answerView.setText("");
|
|
236
|
+
answerView.requestFocus();
|
|
237
|
+
}
|
|
238
|
+
}
|
|
239
|
+
}
|
|
236
240
|
}
|
|
237
241
|
```
|
3
スレッド開始メソッド間違い
answer
CHANGED
|
@@ -29,7 +29,7 @@
|
|
|
29
29
|
super.onCreate(savedInstanceState);
|
|
30
30
|
setContentView(R.layout.activity_server);
|
|
31
31
|
try {
|
|
32
|
-
new Thread(new Server(8080)).
|
|
32
|
+
new Thread(new Server(8080)).start();
|
|
33
33
|
} catch (IOException e) {
|
|
34
34
|
e.printStackTrace();
|
|
35
35
|
}
|
2
イメージフロー図追加
answer
CHANGED
|
@@ -4,6 +4,9 @@
|
|
|
4
4
|
サーバ側は使っていません.
|
|
5
5
|
なるべく説明を入れてみましたが... あくまで参考ということでお願いします.
|
|
6
6
|
|
|
7
|
+
流れを図にしてみました.
|
|
8
|
+
|
|
9
|
+
|
|
7
10
|
サーバ側です
|
|
8
11
|
```java(android)
|
|
9
12
|
package com.example.transqa;
|
1
誤字
answer
CHANGED
|
@@ -1,6 +1,6 @@
|
|
|
1
1
|
普通にクライアント-サーバ型の通信ではどういう感じになるかということで書いてみました.
|
|
2
2
|
すいません, 動くものにしようと書いていますが, 一気に書いた状態でまだ動かしていません.
|
|
3
|
-
レイアウトはクライアント側で, 問題表示TextView id=question, 回答欄
|
|
3
|
+
レイアウトはクライアント側で, 問題表示TextView id=question, 回答欄EditText id=answer, 判定表示TextView id=result, 回答送信Button id=finalAnswer です. ボタンは全問題終了時のクライアント終了も兼ねています.
|
|
4
4
|
サーバ側は使っていません.
|
|
5
5
|
なるべく説明を入れてみましたが... あくまで参考ということでお願いします.
|
|
6
6
|
|