LoaderMethods

// onCreateLoader:
@Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        switch(id){
            case ACCOUNT_LOADER:
                return new CursorLoader(
                        getActivity(),
                        AccountEntry.buildAccountUri(mAccountID),
                        new String[]{
                                AccountEntry.TABLE_NAME + "." + AccountEntry._ID,
                                AccountEntry.COLUMN_BALANCE
                        },
                        null,
                        null,
                        null
                );
        }
    }
    
// onLoadFinished
@Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        switch(loader.getId()){
            case ACCOUNT_LOADER:
                String[] cols = data.getColumnNames();
                for(int i = 0; i < cols.length; i++){
                    Log.v("AccountLoader", cols[i]);
                }
                int index = data.getColumnIndex(AccountEntry.COLUMN_BALANCE);
                Log.v("AccountLoader", "Index is: " + index + ".");
                double balance = data.getDouble(data.getColumnIndex(AccountEntry.COLUMN_BALANCE));
                break;
        }
    }

Logcat Output

04-24 20:59:40.230    5163-5163/com.example.android.cashcaretaker V/AccountLoader﹕ _id
04-24 20:59:40.230    5163-5163/com.example.android.cashcaretaker V/AccountLoader﹕ accBalance
04-24 20:59:40.230    5163-5163/com.example.android.cashcaretaker V/AccountLoader﹕ Index is: 1.
04-24 20:59:40.231    5163-5163/com.example.android.cashcaretaker D/AndroidRuntime﹕ Shutting down VM
04-24 20:59:40.231    5163-5163/com.example.android.cashcaretaker E/AndroidRuntime﹕ FATAL EXCEPTION: main
    Process: com.example.android.cashcaretaker, PID: 5163
    android.database.CursorIndexOutOfBoundsException: Index -1 requested, with a size of 1
            at android.database.AbstractCursor.checkPosition(AbstractCursor.java:426)
            at android.database.AbstractWindowedCursor.checkPosition(AbstractWindowedCursor.java:136)
            at android.database.AbstractWindowedCursor.getDouble(AbstractWindowedCursor.java:86)
            at android.database.CursorWrapper.getDouble(CursorWrapper.java:90)
            at com.example.android.cashcaretaker.TransactionFragment.onLoadFinished(TransactionFragment.java:163)
            at com.example.android.cashcaretaker.TransactionFragment.onLoadFinished(TransactionFragment.java:27)
            at android.support.v4.app.LoaderManagerImpl$LoaderInfo.callOnLoadFinished(LoaderManager.java:427)
            at android.support.v4.app.LoaderManagerImpl$LoaderInfo.onLoadComplete(LoaderManager.java:395)
            at android.support.v4.content.Loader.deliverResult(Loader.java:104)
            at android.support.v4.content.CursorLoader.deliverResult(CursorLoader.java:73)
            at android.support.v4.content.CursorLoader.deliverResult(CursorLoader.java:35)
            at android.support.v4.content.AsyncTaskLoader.dispatchOnLoadComplete(AsyncTaskLoader.java:223)
            at android.support.v4.content.AsyncTaskLoader$LoadTask.onPostExecute(AsyncTaskLoader.java:61)
            at android.support.v4.content.ModernAsyncTask.finish(ModernAsyncTask.java:461)
            at android.support.v4.content.ModernAsyncTask.access$500(ModernAsyncTask.java:47)
            at android.support.v4.content.ModernAsyncTask$InternalHandler.handleMessage(ModernAsyncTask.java:474)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:135)
            at android.app.ActivityThread.main(ActivityThread.java:5221)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)