I am getting a Weird cursorIndexOutOfBoundsException
The logcat:
11-12 13:17:01.545: ERROR/AndroidRuntime(329): FATAL EXCEPTION: main
11-12 13:17:01.545: ERROR/AndroidRuntime(329):
java.lang.RuntimeException: Unable to start activity
ComponentInfo{com.gremlingames.rimblade/
com.gremlingames.rimblade.LevelSelectionActivity}:
android.database.CursorIndexOutOfBoundsException: Index -1 requested,
with a size of 1
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2663)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2679)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.app.ActivityThread.access$2300(ActivityThread.java:125)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.os.Handler.dispatchMessage(Handler.java:99)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.os.Looper.loop(Looper.java:123)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.app.ActivityThread.main(ActivityThread.java:4627)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
java.lang.reflect.Method.invokeNative(Native Method)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
java.lang.reflect.Method.invoke(Method.java:521)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
com.android.internal.os.ZygoteInit
$MethodAndArgsCaller.run(ZygoteInit.java:868)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
dalvik.system.NativeStart.main(Native Method)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): Caused by:
android.database.CursorIndexOutOfBoundsException: Index -1 requested,
with a size of 1
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.database.AbstractCursor.checkPosition(AbstractCursor.java:580)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.database.AbstractWindowedCursor.checkPosition(AbstractWindowedCursor.java:
214)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.database.AbstractWindowedCursor.getInt(AbstractWindowedCursor.java:
84)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
com.gremlingames.rimblade.LevelSelectionActivity.onCreate(LevelSelectionActivity.java:
52)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
1047)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2627)
11-12 13:17:01.545: ERROR/AndroidRuntime(329): ... 11 more
The relevant code snippet:
RimbladeDatabaseOpenHelper dataBaseOpener = new
RimbladeDatabaseOpenHelper(
(Context) getApplication());
SQLiteDatabase rimbladeDatabase =
dataBaseOpener.getReadableDatabase();
Cursor levelCursor = rimbladeDatabase.rawQuery("SELECT "
+ RimbladeDatabaseOpenHelper.LEVEL_COL_NAME + "
as _id, "
+ RimbladeDatabaseOpenHelper.SCORE_COL_NAME + "
FROM "
+ RimbladeDatabaseOpenHelper.SCORE_TABLE_NAME,
null);
int totalScore = 0;
int scoreIndex = levelCursor
.getColumnIndex(RimbladeDatabaseOpenHelper.SCORE_COL_NAME);
while (!levelCursor.isAfterLast()) {
totalScore += levelCursor.getInt(scoreIndex);
}
The RimbladeDatabaseOpenHelper:
public class RimbladeDatabaseOpenHelper extends SQLiteOpenHelper {
private static final int DATABASE_VERSION = 1;
public static final String SCORE_TABLE_NAME = "scores";
public static final String LEVEL_COL_NAME = "level";
public static final String SCORE_COL_NAME = "score";
private static final String SCORE_TABLE_CREATE =
"CREATE TABLE " + SCORE_TABLE_NAME + " (" +
LEVEL_COL_NAME + " TEXT NOT NULL, " +
SCORE_COL_NAME + " INT NOT NULL);";
public RimbladeDatabaseOpenHelper(Context context) {
super(context, "rimblade", null, DATABASE_VERSION);
}
public void onCreate(SQLiteDatabase db) {
db.execSQL(SCORE_TABLE_CREATE);
android.content.ContentValues values = new
android.content.ContentValues();
values.put(LEVEL_COL_NAME, "start");
values.put(SCORE_COL_NAME, 0);
db.insert(SCORE_TABLE_NAME, SCORE_COL_NAME, values);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int
newVersion) {
}
}
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