質問編集履歴
3
追加
test
CHANGED
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File without changes
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test
CHANGED
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@@ -237,3 +237,39 @@
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237
237
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}
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238
238
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239
239
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```
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240
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+
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241
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```
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242
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+
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243
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+
public final class QuizContract {
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244
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245
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public QuizContract() {
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246
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247
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}
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248
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+
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249
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250
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251
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public static abstract class Quiz implements BaseColumns {
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252
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+
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253
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public static final String TABLE_NAME = "quiz";
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254
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+
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255
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public static final String _ID = "_id";
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256
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+
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257
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public static final String COL_QUIZ = "quiz";
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258
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+
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259
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public static final String COL_CORRECT = "correct";
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260
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+
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261
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public static final String COL_ANSWER1 = "answer1";
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262
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+
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263
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public static final String COL_ANSWER2 = "answer2";
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264
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+
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265
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public static final String COL_ANSWER3 = "answer3";
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266
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+
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267
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public static final String COL_ANSWER4 = "answer4";
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268
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+
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269
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+
}
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270
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+
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271
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}
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272
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+
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273
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コード
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274
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+
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275
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```
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2
修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -4,6 +4,14 @@
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4
4
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5
5
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ほかのところが原因になっている可能性がある場合は言ってください。
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6
6
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7
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+
クイズはsqlで管理しているのですが最初quiz3までしか書いていなかったときは正常に動いていたのですが、113まで追加したところエラーが出てしまいましたそれが何かの原因になっていると思うのですが、、、
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8
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+
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9
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10
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11
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+
ご教授お願いします。
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12
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+
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13
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+
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14
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+
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7
15
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Caused by: android.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0
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8
16
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9
17
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at android.database.AbstractCursor.checkPosition(AbstractCursor.java:426)
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1
修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -1,38 +1,10 @@
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1
1
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タイトルのようなエラーコードが出てしまって困っています。
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2
2
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3
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-
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4
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-
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5
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-
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6
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-
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7
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-
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8
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-
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9
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-
java.lang.RuntimeException: Unable to start activity ComponentInfo{sample.quiz/sample.quiz.Quiz}: android.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0
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10
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-
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11
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-
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2248)
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12
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-
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13
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-
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2298)
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14
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-
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15
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-
at android.app.ActivityThread.access$800(ActivityThread.java:144)
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16
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-
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17
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-
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1246)
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18
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-
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19
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-
at android.os.Handler.dispatchMessage(Handler.java:102)
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20
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-
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21
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-
at android.os.Looper.loop(Looper.java:212)
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22
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-
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23
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-
at android.app.ActivityThread.main(ActivityThread.java:5151)
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24
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-
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25
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-
at java.lang.reflect.Method.invokeNative(Native Method)
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26
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-
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27
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-
at java.lang.reflect.Method.invoke(Method.java:515)
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28
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-
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29
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-
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:878)
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30
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-
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31
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-
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
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32
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-
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33
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-
at dalvik.system.NativeStart.main(Native Method)
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34
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-
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35
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-
Caused by: android.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0
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3
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+
文字数が足りないので自分でエラーと関係しそうなところだけ抜き出してあります。
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4
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+
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5
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+
ほかのところが原因になっている可能性がある場合は言ってください。
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6
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+
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7
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+
Caused by: android.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0
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36
8
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37
9
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at android.database.AbstractCursor.checkPosition(AbstractCursor.java:426)
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38
10
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@@ -73,3 +45,187 @@
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73
45
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at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
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74
46
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75
47
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at dalvik.system.NativeStart.main(Native Method)
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48
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+
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49
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50
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51
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52
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53
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```
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54
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+
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55
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+
public class Quiz extends AppCompatActivity {
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56
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+
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57
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int score = 0;
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58
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+
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59
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int mode = 0;
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60
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+
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61
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int count = 0;
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62
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+
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63
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int QuizNo;
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64
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+
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65
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String quiz;
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66
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+
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67
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+
String correct;
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68
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+
|
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69
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+
String answer1;
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70
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+
|
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71
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String answer2;
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72
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+
|
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73
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String answer3;
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74
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+
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75
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String answer4;
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76
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+
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77
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+
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78
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+
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79
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+
@Override
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80
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+
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81
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+
protected void onCreate(Bundle savedInstanceState) {
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82
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+
|
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83
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+
super.onCreate(savedInstanceState);
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84
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+
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85
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+
setContentView(R.layout.activity_quiz);
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86
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+
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87
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+
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88
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+
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89
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+
Intent intent = getIntent();
|
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90
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+
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91
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+
mode = intent.getIntExtra(MainActivity.EXTRA_MODE,0);
|
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92
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+
|
|
93
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+
if (mode == 0){
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94
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+
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95
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+
mode = intent.getIntExtra(Result.EXTRA_MODE,0);
|
|
96
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+
|
|
97
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+
}
|
|
98
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+
|
|
99
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+
random();
|
|
100
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+
|
|
101
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+
}
|
|
102
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+
|
|
103
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+
|
|
104
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+
|
|
105
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+
public void random(){
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|
106
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+
|
|
107
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+
TextView score_text = (TextView)findViewById(R.id.score);
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|
108
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+
|
|
109
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+
score_text.setText(String.valueOf(score));
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110
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+
|
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111
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+
Random random = new Random();
|
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112
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+
|
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113
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+
QuizNo = random.nextInt(113);
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114
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+
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115
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+
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116
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+
|
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117
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+
if (QuizNo == 0){
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118
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+
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119
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+
random();
|
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120
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+
|
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121
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+
}else{
|
|
122
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+
|
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123
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+
set();
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|
124
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+
|
|
125
|
+
}
|
|
126
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+
|
|
127
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+
|
|
128
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+
|
|
129
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+
private void set(){
|
|
130
|
+
|
|
131
|
+
QuizOpenHelper quizOpenHelper = new QuizOpenHelper(this);
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|
132
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+
|
|
133
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+
SQLiteDatabase sqLiteDatabase = quizOpenHelper.getReadableDatabase();
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|
134
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+
|
|
135
|
+
String sql = "select quiz,correct,answer1,answer2,answer3,answer4 from quiz where _id =" + QuizNo;
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|
136
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+
|
|
137
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+
Cursor cursor = sqLiteDatabase.rawQuery(sql, null);
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138
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+
|
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139
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+
cursor.moveToFirst();
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140
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+
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141
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+
quiz = cursor.getString(cursor.getColumnIndex("quiz"));
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|
142
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+
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143
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+
correct = cursor.getString(cursor.getColumnIndex("correct")); }
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|
144
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+
|
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145
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+
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146
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+
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147
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+
```
|
|
148
|
+
|
|
149
|
+
```
|
|
150
|
+
|
|
151
|
+
public class QuizOpenHelper extends SQLiteOpenHelper{
|
|
152
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+
|
|
153
|
+
|
|
154
|
+
|
|
155
|
+
public static final String DB_NAME = "sirequiz.db";
|
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156
|
+
|
|
157
|
+
public static final int DB_VERSION = 1;
|
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158
|
+
|
|
159
|
+
public static final String CREATE_TABLE =
|
|
160
|
+
|
|
161
|
+
"create table " +QuizContract.Quiz.TABLE_NAME + "("+
|
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162
|
+
|
|
163
|
+
QuizContract.Quiz._ID + " integer primary key autoincrement,"+
|
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164
|
+
|
|
165
|
+
QuizContract.Quiz.COL_QUIZ + " text," +
|
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166
|
+
|
|
167
|
+
QuizContract.Quiz.COL_CORRECT +" text," +
|
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168
|
+
|
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169
|
+
QuizContract.Quiz.COL_ANSWER1 +" text," +
|
|
170
|
+
|
|
171
|
+
QuizContract.Quiz.COL_ANSWER2 +" text," +
|
|
172
|
+
|
|
173
|
+
QuizContract.Quiz.COL_ANSWER3 +" text," +
|
|
174
|
+
|
|
175
|
+
QuizContract.Quiz.COL_ANSWER4 +" text)";
|
|
176
|
+
|
|
177
|
+
|
|
178
|
+
|
|
179
|
+
public static final String INIT_TABLE =
|
|
180
|
+
|
|
181
|
+
"insert into " + QuizContract.Quiz.TABLE_NAME + " (quiz,correct,answer1,answer2,answer3,answer4) values " +
|
|
182
|
+
|
|
183
|
+
"('quiz1','correct1','answer1-1','answer2-1','answer3-1','answer4-1')," +
|
|
184
|
+
|
|
185
|
+
"('quiz2','correct2','answer1-2','answer2-2','answer3-2','answer4-2')," +
|
|
186
|
+
|
|
187
|
+
.
|
|
188
|
+
|
|
189
|
+
.
|
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190
|
+
|
|
191
|
+
.
|
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192
|
+
|
|
193
|
+
.
|
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194
|
+
|
|
195
|
+
"('quiz113','correct113','answer1-113','answer2-113','answer3-113','answer4-113')";
|
|
196
|
+
|
|
197
|
+
|
|
198
|
+
|
|
199
|
+
public static final String DROP_TABLE =
|
|
200
|
+
|
|
201
|
+
"drop table if exists " + QuizContract.Quiz.TABLE_NAME;
|
|
202
|
+
|
|
203
|
+
public QuizOpenHelper(Context context){
|
|
204
|
+
|
|
205
|
+
super(context,DB_NAME,null,DB_VERSION);
|
|
206
|
+
|
|
207
|
+
}
|
|
208
|
+
|
|
209
|
+
@Override
|
|
210
|
+
|
|
211
|
+
public void onCreate(SQLiteDatabase db) {
|
|
212
|
+
|
|
213
|
+
db.execSQL(CREATE_TABLE);
|
|
214
|
+
|
|
215
|
+
db.execSQL(INIT_TABLE);
|
|
216
|
+
|
|
217
|
+
}
|
|
218
|
+
|
|
219
|
+
@Override
|
|
220
|
+
|
|
221
|
+
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
|
|
222
|
+
|
|
223
|
+
db.execSQL(DROP_TABLE);
|
|
224
|
+
|
|
225
|
+
onCreate(db);
|
|
226
|
+
|
|
227
|
+
}
|
|
228
|
+
|
|
229
|
+
}
|
|
230
|
+
|
|
231
|
+
```
|