getting column contents using cursor
I have a Cursor returned From a SQLiteDataBase object , I am using cursor
getXXX()method to get the content of columns from the cursor but I am
getting error. My code is where I fetch the cursor from database and get
the object...
public Message createMessage(String message,char ch,int random) {
ContentValues values = new ContentValues();
if(ch=='s')
values.put(MySQLiteHelper.COLUMN_STATUS, "s");
if(ch=='r')
values.put(MySQLiteHelper.COLUMN_STATUS, "r");
values.put(MySQLiteHelper.COLUMN_PARENTID, 0);
values.put(MySQLiteHelper.COLUMN_THREADID, random);
values.put(MySQLiteHelper.COLUMN_MESSAGE, message);
long insertId = database.insert(MySQLiteHelper.TABLE_NAME, null,
values);
Cursor cursor = database.query(MySQLiteHelper.TABLE_NAME,
allColumns, MySQLiteHelper.COLUMN_ID + " = " + insertId, null,
null, null, null);
/* Cursor cursor = database.query(MySQLiteHelper.TABLE_NAME,
allColumns, null, null,
null, null, null);*/
cursor.moveToFirst();
Message newMessage = cursorToMessage(cursor);
cursor.close();
return newMessage;
}
private Message cursorToMessage(Cursor cursor) {
Message message = new Message();
message.setId(cursor.getLong(cursor.getColumnIndex("id")));
message.setmessage(cursor.getString(cursor.getColumnIndex("message")));
message.setthreadid(cursor.getLong(cursor.getColumnIndex("threadid")));
return message;
}
My log-cat is:
09-11 17:15:01.227: E/AndroidRuntime(4707): FATAL EXCEPTION: main
09-11 17:15:01.227: E/AndroidRuntime(4707):
java.lang.RuntimeException: Unable to start activity
ComponentInfo{soft.b.peopleassist/soft.b.peopleassist.MainActivity}:
java.lang.IllegalStateException: Couldn't read row 0, col -1 from
CursorWindow. Make sure the Cursor is initialized correctly before
accessing data from it.
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1955)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1980)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.ActivityThread.access$600(ActivityThread.java:122)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1146)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.os.Handler.dispatchMessage(Handler.java:99)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.os.Looper.loop(Looper.java:137)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.ActivityThread.main(ActivityThread.java:4340)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
java.lang.reflect.Method.invokeNative(Native Method)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
java.lang.reflect.Method.invoke(Method.java:511)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
dalvik.system.NativeStart.main(Native Method)
09-11 17:15:01.227: E/AndroidRuntime(4707): Caused by:
java.lang.IllegalStateException: Couldn't read row 0, col -1 from
CursorWindow. Make sure the Cursor is initialized correctly before
accessing data from it.
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.database.CursorWindow.nativeGetLong(Native Method)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.database.CursorWindow.getLong(CursorWindow.java:526)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.database.AbstractWindowedCursor.getLong(AbstractWindowedCursor.java:75)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
soft.b.peopleassist.DataSource.cursorToMessage(DataSource.java:104)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
soft.b.peopleassist.DataSource.getAllMessages(DataSource.java:89)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
soft.b.peopleassist.Send.onCreateView(Send.java:58)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.FragmentManagerImpl.moveToState(FragmentManager.java:795)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.FragmentManagerImpl.moveToState(FragmentManager.java:998)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.BackStackRecord.run(BackStackRecord.java:622)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1330)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.Activity.performStart(Activity.java:4474)
09-11 17:15:01.227: E/AndroidRuntime(4707): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1928)
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