android - Listview 仅填充第一项

Question

我有一个从异步任务中获取其内容的 Listview，但实际上只有第一项被放入 Listview。

我的活动 xml 是：

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="6dp"
                android:layout_marginRight="6dp"
                android:layout_marginTop="4dp"
                android:layout_marginBottom="4dp"
                android:orientation="vertical"
                android:background="@drawable/bg_card">

                <!-- Card Contents go here -->
                <TextView
                    android:id="@+id/portfolioTitle"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:ems="10"
                    android:textSize="20sp"
                    android:textStyle = "bold"
                    android:text="Your Portfolio"
                    android:padding="5dip"
                    >
                </TextView>




            </LinearLayout >

        </FrameLayout>

        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="6dp"
                android:layout_marginRight="6dp"
                android:layout_marginTop="4dp"
                android:layout_marginBottom="4dp"
                android:orientation="vertical"
                android:background="@drawable/bg_card">

                <!-- Card Contents go here -->
                <TextView
                    android:id="@+id/sortTitle"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:ems="10"
                    android:textSize="15sp"
                    android:textStyle = "bold"
                    android:text="Sorting Options:"
                    android:padding="5dip"
                    >
                </TextView>

                <LinearLayout
                    android:layout_height="wrap_content"
                    android:layout_width="match_parent"
                    android:orientation="horizontal"
                    >

                    <Spinner
                        android:id="@+id/portfolioSpinner"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:entries="@array/portfolio_array"

                        />


                </LinearLayout>




            </LinearLayout >

        </FrameLayout>


        <ListView
            android:id="@+id/allYourBeersList"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:dividerHeight="0px"
            android:divider="@null"

            >
        </ListView>


    </LinearLayout>
</ScrollView>

异步任务是：

public class PortfolioGetAllBeers extends AsyncTask
        <String, Void, String> {

    Context c;
    private ProgressDialog Dialog;

    public PortfolioGetAllBeers (Context context)
    {
        c = context;
        Dialog = new ProgressDialog(c);
    }

    @Override
    protected String doInBackground(String... arg0) {
        // TODO Auto-generated method stub
        return readJSONFeed(arg0[0]);
    }

    protected void onPreExecute() {
        Dialog.setMessage("Getting beers");

        Dialog.setTitle("Loading");
        Dialog.setCancelable(false);
        Dialog.show();
    }

    protected void onPostExecute(String result){
        //decode json here
        try{
            JSONArray jsonArray = new JSONArray(result);


            //acces listview
            ListView lv = (ListView) ((Activity) c).findViewById(R.id.allYourBeersList);

            //make array list for beer
            final List<ShortBeerInfo> tasteList = new ArrayList<ShortBeerInfo>();



            for(int i = 0; i < jsonArray.length(); i++) {

                String beer = jsonArray.getJSONObject(i).getString("beer");
                String rate = jsonArray.getJSONObject(i).getString("rate");
                String beerID = jsonArray.getJSONObject(i).getString("id");
                String breweryID = jsonArray.getJSONObject(i).getString("breweryID");


                int count = i + 1;

                beer = count + ". " + beer;


                //create object
                ShortBeerInfo tempTaste = new ShortBeerInfo(beer, rate, beerID , breweryID);

                //add to arraylist
                tasteList.add(tempTaste);


                //add items to listview
                ShortBeerInfoAdapter adapter1 = new ShortBeerInfoAdapter(c ,R.layout.brewer_stats_listview, tasteList);
                lv.setAdapter(adapter1);

                //set up clicks
                lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                    @Override
                    public void onItemClick(AdapterView<?> arg0, View arg1,
                                            int arg2, long arg3) {
                        ShortBeerInfo o=(ShortBeerInfo)arg0.getItemAtPosition(arg2);

                        String tempID = o.id;
                        String tempBrewID = o.brewery;

                        Toast toast = Toast.makeText(c, tempID, Toast.LENGTH_SHORT);
                        toast.show();

                        //get beer details from id

                        Intent myIntent = new Intent(c, BeerPage2.class);
                        myIntent.putExtra("id", tempID);
                        myIntent.putExtra("breweryID", tempBrewID);
                        c.startActivity(myIntent);


                    }
                });




            }

        }
        catch(Exception e){

        }

        Dialog.dismiss();

    }

    public String readJSONFeed(String URL) {
        StringBuilder stringBuilder = new StringBuilder();
        HttpClient httpClient = new DefaultHttpClient();
        HttpGet httpGet = new HttpGet(URL);
        try {
            HttpResponse response = httpClient.execute(httpGet);
            StatusLine statusLine = response.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            if (statusCode == 200) {
                HttpEntity entity = response.getEntity();
                InputStream inputStream = entity.getContent();
                BufferedReader reader = new BufferedReader(
                        new InputStreamReader(inputStream));
                String line;
                while ((line = reader.readLine()) != null) {
                    stringBuilder.append(line);
                }
                inputStream.close();
            } else {
                Log.d("JSON", "Failed to download file");
            }
        } catch (Exception e) {
            Log.d("readJSONFeed", e.getLocalizedMessage());
        }
        return stringBuilder.toString();
    }

}

为什么我感到困惑是因为我的 json 回来了不止一个结果：

[{"beer":"#9","rate":"3","id":"hB0QeO","breweryID":"qIqpZc"},{"beer":"120 Minute IPA","rate":"5","id":"EWlB8A","breweryID":"g0jHqt"},{"beer":"2011 Pere Jacques","rate":"4","id":"7EhKvb","breweryID":"APW1BC"},{"beer":"2xIPA","rate":"3","id":"kZsjqY","breweryID":"x8kqVp"},{"beer":"312 Urban Wheat Ale","rate":"3","id":"EaoR0H","breweryID":"APW1BC"},{"beer":"471 Double IPA Small Batch","rate":"4","id":"j9cp5e","breweryID":"IImUD9"},{"beer":"5 Golden Rings","rate":"2","id":"tRFIN3","breweryID":"4MVtcc"},{"beer":"60 Minute IPA","rate":"3","id":"TACnR2","breweryID":"g0jHqt"},{"beer":"75 Minute IPA","rate":"5","id":"ovCoQh","breweryID":"g0jHqt"},{"beer":"90 Minute IPA","rate":"5","id":"qqTzHb","breweryID":"g0jHqt"},{"beer":"\u00a7ucaba (Abacus)","rate":"5","id":"GWY6vH","breweryID":"qghrkC"},{"beer":"Admiral IPA","rate":"3","id":"nHYjdl","breweryID":"OYQA8m"},{"beer":"Agave Wheat","rate":"3","id":"6AcqY6","breweryID":"IImUD9"},{"beer":"Alimony Ale","rate":"0","id":"G7kmvt","breweryID":"P1I1gt"},{"beer":"Allagash Black","rate":"4","id":"z77hjQ","breweryID":"pdLPeS"},{"beer":"Allagash Dubbel","rate":"3","id":"KzHweV","breweryID":"pdLPeS"},{"beer":"Allagash Fluxus 2013","rate":"3","id":"SlMu4Q","breweryID":"pdLPeS"},{"beer":"Allagash Four","rate":"4","id":"0mttNd","breweryID":"pdLPeS"},{"beer":"Allagash Victoria Ale","rate":"4","id":"JLBMnT","breweryID":"pdLPeS"},{"beer":"Allagash White","rate":"4","id":"Q8hjek","breweryID":"pdLPeS"},{"beer":"American Amber Ale","rate":"3","id":"3SvZ4H","breweryID":"X0l98q"},{"beer":"American Pilsner","rate":"3","id":"67Hcxk","breweryID":"xcKkLh"},{"beer":"Anchor Steam","rate":"3","id":"Uiol9p","breweryID":"6PBXvz"},{"beer":"Angels Share","rate":"5","id":"ikoDPe","breweryID":"9x7wNn"},{"beer":"Aprihop","rate":"4","id":"qV0bBx","breweryID":"g0jHqt"},{"beer":"Arrogant Bastard Ale","rate":"3","id":"qlwwem","breweryID":"709vEK"},{"beer":"Aventinus Weizen-Eisbock","rate":"4","id":"avMkil","breweryID":"FQLVgV"},{"beer":"B.O.R.I.S. The Crusher Oatmeal-Imperial Stout","rate":"5","id":"Tzy7eJ","breweryID":"w5OOQ5"},{"beer":"Back in Black","rate":"3","id":"UD5Sm4","breweryID":"EdRcIs"},{"beer":"Balt Altbier","rate":"3","id":"dR7EQg","breweryID":"t6Gyij"},{"beer":"Baltic Thunder","rate":"3","id":"DCwAKJ","breweryID":"VoKbnS"},{"beer":"Bass Pale Ale","rate":"3","id":"r5GwCX","breweryID":"X2Qkw1"},{"beer":"Belgian Abbey Dubbel","rate":"3","id":"YkoqCD","breweryID":"M5zcKb"},{"beer":"Big DIPA","rate":"4","id":"aP9faI","breweryID":"wTFQaf"},{"beer":"Black & Blue","rate":"3","id":"tL3vdf","breweryID":"g0jHqt"},{"beer":"Black Cannon","rate":"3","id":"f9WbNU","breweryID":"wTFQaf"},{"beer":"Blackwing Lager","rate":"3","id":"ISXK3w","breweryID":"t6Gyij"},{"beer":"Blue Moon Belgian White","rate":"3","id":"dDXOEp","breweryID":"avMkil"},{"beer":"Br\u00e4u Weisse","rate":"4","id":"L6f8QM","breweryID":"QKdFk2"},{"beer":"Brawler","rate":"2","id":"czwGMM","breweryID":"jwWiTH"},{"beer":"Breakfast Stout","rate":"4","id":"9na4NR","breweryID":"Idm5Y5"},{"beer":"Bronx Pale Ale","rate":"4","id":"yDHpxQ","breweryID":"V0wvf7"},{"beer":"Bud Light","rate":"2","id":"dimtrs","breweryID":"BznahA"},{"beer":"Burton Baton","rate":"4","id":"em9Lxc","breweryID":"g0jHqt"},{"beer":"Caldera IPA","rate":"3","id":"kMlOin","breweryID":"iL3Juq"},{"beer":"Centennial IPA","rate":"3","id":"rAHla4","breweryID":"Idm5Y5"},{"beer":"Cerveza Sol","rate":"2","id":"4ap3mq","breweryID":"UWBCmm"},{"beer":"Chateau Jiahu","rate":"4","id":"bFOmYH","breweryID":"g0jHqt"},{"beer":"Chocolate Stout","rate":"4","id":"93XbpS","breweryID":"X0l98q"},{"beer":"Circus Boy","rate":"3","id":"JQCCB0","breweryID":"qIqpZc"},{"beer":"Corona Extra","rate":"3","id":"ujPz4L","breweryID":"wadu38"},{"beer":"Corona Light","rate":"3","id":"u7U2Ga","breweryID":"wadu38"},{"beer":"Cr\u00e8me Br\u00fbl\u00e9e Imperial Milk Stout","rate":"4","id":"Kax7jD","breweryID":"x8kqVp"},{"beer":"Cricket Hill Hopnotic","rate":"1","id":"FCGb3K","breweryID":"U0vh9j"},{"beer":"Curieux","rate":"4","id":"T6rZqg","breweryID":"pdLPeS"},{"beer":"Cutlass","rate":"3","id":"1KVlP0","breweryID":"wTFQaf"},{"beer":"Dales Pale Ale","rate":"4","id":"iT9pf4","breweryID":"q6vJUK"},{"beer":"Delirium Tremens","rate":"3","id":"siPwY9","breweryID":"8eyXN7"},{"beer":"Dogtoberfest","rate":"3","id":"IgdWNj","breweryID":"jmGoBA"},{"beer":"Don De Dieu","rate":"3","id":"i6yPHf","breweryID":"llbEuB"},{"beer":"Dos Equis Amber Lager","rate":"2","id":"s5lxSd","breweryID":"UWBCmm"},{"beer":"Double Dog Double Pale Ale","rate":"3","id":"r9nypM","breweryID":"jmGoBA"},{"beer":"Double Jack Imperial IPA","rate":"5","id":"sUL1uy","breweryID":"qghrkC"},{"beer":"Double Stout","rate":"3","id":"uVJmkY","breweryID":"c67gGy"},{"beer":"Double Wide I.P.A.","rate":"4","id":"LKzaHC","breweryID":"VDMEV7"},{"beer":"DreamWeaver Wheat Ale","rate":"3","id":"0aUaXd","breweryID":"n5QFi2"},{"beer":"Drifter Pale Ale","rate":"3","id":"HfAvcD","breweryID":"8wcv7h"},{"beer":"Duck-Rabbit Milk Stout","rate":"4","id":"C6EUeD","breweryID":"rBxNNF"},{"beer":"Duckpin Pale Ale","rate":"3","id":"17OQHF","breweryID":"t6Gyij"},{"beer":"Etrusca","rate":"4","id":"ffEc4d","breweryID":"g0jHqt"},{"beer":"Euforia Toffee Nut","rate":"4","id":"o4ENUL","breweryID":"TVgBWg"},{"beer":"Fat Tire","rate":"2","id":"tuqTtX","breweryID":"Jt43j7"},{"beer":"Festina Peche","rate":"3","id":"Gf9h6p","breweryID":"g0jHqt"},{"beer":"Finestkind IPA","rate":"3","id":"3RFxH6","breweryID":"v0MKXA"},{"beer":"Franziskaner Hefe-Weissbier Hell  \/ Franziskaner C","rate":"3","id":"ZhGbaC","breweryID":"o5vGy8"},{"beer":"Furious","rate":"4","id":"qRuupG","breweryID":"cPRfoj"},{"beer":"FV13","rate":"4","id":"xv9fS8","breweryID":"pdLPeS"},{"beer":"Gemini","rate":"3","id":"L8oWyF","breweryID":"7VPQrN"},{"beer":"GKnight","rate":"3","id":"69R1Vd","breweryID":"q6vJUK"},{"beer":"Gold Ale","rate":"3","id":"bIk08d","breweryID":"wTFQaf"},{"beer":"Golden Monkey","rate":"4","id":"UfxKKB","breweryID":"VoKbnS"},{"beer":"Gonzo Imperial Porter","rate":"3","id":"kkcQtN","breweryID":"jmGoBA"},{"beer":"Guinness Draught","rate":"3","id":"StkEiv","breweryID":"HaPdSL"},{"beer":"Hardcore IPA","rate":"3","id":"7RaQWJ","breweryID":"wfAwfx"},{"beer":"Harvest","rate":"3","id":"9Pj2Cr","breweryID":"x8kqVp"},{"beer":"Harvest Moon Pumpkin Ale","rate":"3","id":"Oa5lvx","breweryID":"avMkil"},{"beer":"Heart of Darkness","rate":"3","id":"KvSwJR","breweryID":"qIqpZc"},{"beer":"Hefeweizen","rate":"3","id":"7Xn4wJ","breweryID":"P2xdU4"},{"beer":"Heifer-in-Wheat","rate":"3","id":"4MyOgi","breweryID":"REDaIN"},{"beer":"Heineken","rate":"3","id":"eGtqKZ","breweryID":"robMSl"},{"beer":"Heinnieweisse Weissebeir","rate":"3","id":"RhmCRd","breweryID":"9BPs2d"},{"beer":"Hell or High Watermelon","rate":"4","id":"VNqOKH","breweryID":"EdRcIs"},{"beer":"Helles Lager","rate":"3","id":"MSdXm6","breweryID":"D3A2mu"},{"beer":"Hellhound On My Ale","rate":"4","id":"ALDE5Q","breweryID":"g0jHqt"},{"beer":"Hellrazer","rate":"3","id":"yJ1zJK","breweryID":"TVgBWg"},{"beer":"Hennepin Saison Ale","rate":"4","id":"RsXBB4","breweryID":"tCxPtR"},{"beer":"Hercules Double IPA","rate":"4","id":"xHovlT","breweryID":"I8WZv2"},{"beer":"Honey Weiss","rate":"3","id":"YgHnZO","breweryID":"ZDghkK"},{"beer":"Honker's Ale","rate":"3","id":"TEG3J9","breweryID":"APW1BC"},{"beer":"Hop Heathen Imperial Black Ale","rate":"3","id":"bMXin5","breweryID":"w5OOQ5"},{"beer":"Hop Stoopid","rate":"3","id":"Pni8Jo","breweryID":"nLsoQ9"},{"beer":"Hop Wallop","rate":"3","id":"b58sGA","breweryID":"VoKbnS"},{"beer":"HopDevil","rate":"3","id":"IzTjAm","breweryID":"VoKbnS"},{"beer":"Hopfen-Weisse","rate":"5","id":"wXHOmA","breweryID":"FQLVgV"},{"beer":"Hops Infusion","rate":"3","id":"6nkcOK","breweryID":"a57dkm"},{"beer":"Hopsecutioner","rate":"4","id":"Rfe5aM","breweryID":"DPLTAJ"},{"beer":"Hoptober","rate":"3","id":"n1bFMy","breweryID":"Jt43j7"},{"beer":"Horseshoe Bend Pale Ale","rate":"3","id":"Uvuoay","breweryID":"xcKkLh"},{"beer":"Illinois","rate":"3","id":"PZbw01","breweryID":"APW1BC"},{"beer":"Imperial IPA","rate":"3","id":"WT6hkF","breweryID":"TR98tr"},{"beer":"Imperial Pumpkin Ale","rate":"4","id":"LRCEhC","breweryID":"a57dkm"},{"beer":"Imperial Russian Stout","rate":"0","id":"pD5RiK","breweryID":"709vEK"},{"beer":"Imperial Stout","rate":"4","id":"IqPdv8","breweryID":"Idm5Y5"},{"beer":"India Pale Ale","rate":"3","id":"fu2qgB","breweryID":"APW1BC"},{"beer":"Indian Brown Ale","rate":"3","id":"AZI8ib","breweryID":"g0jHqt"},{"beer":"International Arms Race","rate":"2","id":"aX0e6r","breweryID":"jmGoBA"},{"beer":"IPA","rate":"3","id":"iLlMCb","breweryID":"nLsoQ9"},{"beer":"Italian Strong Ale","rate":"5","id":"9S5ObB","breweryID":"wAdTKf"},{"beer":"Judgement Day","rate":"3","id":"Gwo4rP","breweryID":"9x7wNn"},{"beer":"Just the Tip","rate":"3","id":"ekhzhU","breweryID":"rKXfsB"},{"beer":"Kellerweis","rate":"3","id":"JVv3qI","breweryID":"nHLlnK"},{"beer":"Killian's Irish Red","rate":"3","id":"FXGCOG","breweryID":"avMkil"},{"beer":"La Torpille","rate":"3","id":"gghCq9","breweryID":"6DG1qh"},{"beer":"Lancaster Milk Stout","rate":"3","id":"aZtMd7","breweryID":"VGDfKl"},{"beer":"Little Sumpin' Sumpin'","rate":"4","id":"svXHfu","breweryID":"nLsoQ9"},{"beer":"Local 2","rate":"3","id":"vpdrzj","breweryID":"4OBVPn"},{"beer":"Loose Cannon","rate":"3","id":"Bt79WS","breweryID":"wTFQaf"},{"beer":"Lucky 13","rate":"3","id":"CWwxeR","breweryID":"nLsoQ9"},{"beer":"Lucky 7 Porter","rate":"3","id":"a6XiKI","breweryID":"Ysh6PO"},{"beer":"M\u00e4rzen","rate":"4","id":"zomWCT","breweryID":"P2xdU4"},{"beer":"M\u00fcnchner Sommer","rate":"5","id":"TbP3By","breweryID":"4rlPFf"},{"beer":"Mad Elf Ale","rate":"4","id":"ZRzruY","breweryID":"n5QFi2"},{"beer":"Mad King\u2019s Weiss","rate":"3","id":"5JQA4h","breweryID":"VoKbnS"},{"beer":"Mana Wheat","rate":"3","id":"fem70X","breweryID":"fwCFE4"},{"beer":"Matilda","rate":"5","id":"uKquc0","breweryID":"APW1BC"},{"beer":"Maui Coconut Porter","rate":"3","id":"sNQLDD","breweryID":"fwCFE4"},{"beer":"Merry Monks","rate":"3","id":"gz4uZ6","breweryID":"a57dkm"},{"beer":"Midas Touch","rate":"5","id":"YFZKZA","breweryID":"g0jHqt"},{"beer":"Midshipman Mild","rate":"3","id":"eEjA64","breweryID":"OYQA8m"},{"beer":"Mild Winter","rate":"3","id":"hrhfc1","breweryID":"APW1BC"},{"beer":"Milk Stout Nitro","rate":"3","id":"gtaIQr","breweryID":"Ro08YF"},{"beer":"Miller Lite","rate":"1","id":"KJIjyd","breweryID":"MWi5Kp"},{"beer":"Mischief","rate":"3","id":"5A7pI0","breweryID":"4MVtcc"},{"beer":"Misery Bay IPA","rate":"2","id":"uSxQME","breweryID":"LHQ79n"},{"beer":"Mongo Double IPA","rate":"4","id":"9tIw2j","breweryID":"ayEBYP"},{"beer":"Monumental IPA","rate":"3","id":"kckAgC","breweryID":"9FwufS"},{"beer":"Moo Thunder Stout","rate":"3","id":"D4Ka8l","breweryID":"9BPs2d"},{"beer":"Moonglow Weizenbock","rate":"4","id":"DOrgPb","breweryID":"VoKbnS"},{"beer":"My Antonia","rate":"3","id":"OyeqOI","breweryID":"g0jHqt"},{"beer":"Namaste","rate":"3","id":"1INeXj","breweryID":"g0jHqt"},{"beer":"Narragansett Lager","rate":"2","id":"lBKttb","breweryID":"mGqkXE"},{"beer":"National Bohemian","rate":"2","id":"ssQJcb","breweryID":"AKyyYN"},{"beer":"Newcastle Werewolf","rate":"2","id":"xzED0r","breweryID":"Qutakc"},{"beer":"Noble Rot","rate":"4","id":"tEpzX3","breweryID":"g0jHqt"},{"beer":"Nommo Dubbel","rate":"3","id":"WzJmsi","breweryID":"VDMEV7"},{"beer":"Nugget Nectar","rate":"3","id":"x8H3l7","breweryID":"n5QFi2"},{"beer":"Oak Barrel Stout","rate":"3","id":"JdJXIl","breweryID":"xG9JyI"},{"beer":"Oat Imperial Oatmeal Stout","rate":"4","id":"1UmxNj","breweryID":"x8kqVp"},{"beer":"Old Chub","rate":"3","id":"KmsdoV","breweryID":"q6vJUK"},{"beer":"Old Guardian Oak-Smoked","rate":"4","id":"Pwkvsq","breweryID":"709vEK"},{"beer":"Old Man Winter","rate":"3","id":"X60E3Q","breweryID":"x8kqVp"},{"beer":"Old Pro","rate":"4","id":"SS2uWf","breweryID":"t6Gyij"},{"beer":"Old Rasputin","rate":"4","id":"CfJ0cK","breweryID":"yLBNrD"},{"beer":"Old Ruffian","rate":"3","id":"AqEUBQ","breweryID":"I8WZv2"},{"beer":"Old Scratch Amber Lager","rate":"4","id":"N4LF2o","breweryID":"jmGoBA"},{"beer":"Olde School Barleywine","rate":"5","id":"YDBgUE","breweryID":"g0jHqt"},{"beer":"Ommegang Abbey Ale","rate":"4","id":"jYBtXz","breweryID":"tCxPtR"},{"beer":"Ommegang BPA","rate":"3","id":"N101SS","breweryID":"tCxPtR"},{"beer":"Otis","rate":"2","id":"uTPvQK","breweryID":"7VPQrN"},{"beer":"Ozzy","rate":"4","id":"3te24V","breweryID":"YytkpO"},{"beer":"Pabst Blue Ribbon","rate":"2","id":"pDKyvz","breweryID":"AKyyYN"},{"beer":"Pale Ale","rate":"3","id":"cdkpyx","breweryID":"nHLlnK"},{"beer":"Palo Santo Marron","rate":"5","id":"7LrYr1","breweryID":"g0jHqt"},{"beer":"Pangaea","rate":"4","id":"Oq4XtM","breweryID":"g0jHqt"},{"beer":"Pearl Jam Twenty Faithful Ale","rate":"3","id":"6IjMIK","breweryID":"g0jHqt"},{"beer":"Peeper","rate":"3","id":"KdKlo9","breweryID":"xgrmyW"},{"beer":"Phin ","rate":"3","id":"cWMMWU","breweryID":"x8kqVp"},{"beer":"Porter","rate":"3","id":"bZub8V","breweryID":"9FwufS"},{"beer":"Porter Pounder","rate":"3","id":"h5zbGr","breweryID":"pqSkmD"},{"beer":"Positive Contact","rate":"3","id":"eAvRRc","breweryID":"g0jHqt"},{"beer":"Powder Monkey","rate":"2","id":"PbHXnC","breweryID":"OYQA8m"},{"beer":"Pumkin Ale","rate":"4","id":"zpyLEw","breweryID":"tNDKBY"},{"beer":"Pumking","rate":"4","id":"iHEJZm","breweryID":"x8kqVp"},{"beer":"Pumpkin Ale","rate":"3","id":"yu0Mbf","breweryID":"v0MKXA"},{"beer":"Pumpkinhead Ale","rate":"3","id":"TlBAjN","breweryID":"5N0usi"},{"beer":"Punkin Ale","rate":"4","id":"hGjIJg","breweryID":"g0jHqt"},{"beer":"Racer 5 IPA","rate":"3","id":"o1OELJ","breweryID":"5tw2Iw"},{"beer":"Raging Bitch Belgian IPA","rate":"4","id":"P203ye","breweryID":"jmGoBA"},{"beer":"Raison DEtre","rate":"3","id":"Q4Ah1v","breweryID":"g0jHqt"},{"beer":"Ranger","rate":"3","id":"iaYJ7X","breweryID":"Jt43j7"},{"beer":"Rare Vos","rate":"3","id":"OMyQoC","breweryID":"tCxPtR"},{"beer":"Rayon Vert","rate":"4","id":"vMm0Rc","breweryID":"Nj8cgD"},{"beer":"Red Sky at Night","rate":"3","id":"QWYlpK","breweryID":"wTFQaf"},{"beer":"Reds Rye PA","rate":"3","id":"FOC78c","breweryID":"Idm5Y5"},{"beer":"Robust Porter","rate":"4","id":"fkylQX","breweryID":"v0MKXA"},{"beer":"Ruination IPA","rate":"4","id":"7cnuJq","breweryID":"709vEK"},{"beer":"Sah'tea","rate":"4","id":"dc6ShA","breweryID":"g0jHqt"},{"beer":"Saison du BUFF","rate":"3","id":"CTbk45","breweryID":"g0jHqt"},{"beer":"Saison Rue","rate":"4","id":"V0T8uP","breweryID":"4MVtcc"},{"beer":"Samuel Adams Boston Lager","rate":"3","id":"z4k3eU","breweryID":"1wSztN"},{"beer":"Samuel Adams Octoberfest","rate":"3","id":"Hyyhug","breweryID":"1wSztN"},{"beer":"Samuel Adams Summer Ale","rate":"3","id":"DiBfxM","breweryID":"1wSztN"},{"beer":"Samuel Adams Winter Lager","rate":"2","id":"4fM6Pf","breweryID":"1wSztN"},{"beer":"Sapporo Premium Beer","rate":"2","id":"TOHi4D","breweryID":"D61TcY"},{"beer":"Schwartz Bier","rate":"3","id":"y4THvR","breweryID":"iw1hDB"},{"beer":"Shock Top","rate":"2","id":"v7H1Ev","breweryID":"BznahA"},{"beer":"Sixty-One","rate":"4","id":"L1eJ2p","breweryID":"g0jHqt"},{"beer":"Small Craft Warning","rate":"3","id":"2qHZyl","breweryID":"wTFQaf"},{"beer":"Smoking Wood","rate":"5","id":"8NX7Sy","breweryID":"4MVtcc"},{"beer":"Snake Dog","rate":"3","id":"Blig3z","breweryID":"jmGoBA"},{"beer":"Snow Pants","rate":"4","id":"g8oVuV","breweryID":"t6Gyij"},{"beer":"Sofie","rate":"4","id":"KBQTlS","breweryID":"APW1BC"},{"beer":"Son of a Peach","rate":"4","id":"94Fe7D","breweryID":"bWL816"},{"beer":"Squall IPA","rate":"4","id":"LZmXC8","breweryID":"g0jHqt"},{"beer":"Stella Artois","rate":"3","id":"Jc7iGI","breweryID":"mIWMKP"},{"beer":"Stone IPA","rate":"3","id":"PAM6wX","breweryID":"709vEK"},{"beer":"Stone Levitation Ale","rate":"4","id":"OaZYgf","breweryID":"709vEK"},{"beer":"Storm King Imperial Stout","rate":"4","id":"4M26ru","breweryID":"VoKbnS"},{"beer":"Sublimely Self-Righteous Ale","rate":"4","id":"SAtbDP","breweryID":"709vEK"},{"beer":"Summer Love Ale","rate":"3","id":"SzhLvG","breweryID":"VoKbnS"},{"beer":"Summer Shandy","rate":"2","id":"nJjPsG","breweryID":"ZDghkK"},{"beer":"Summertime","rate":"3","id":"tXTETf","breweryID":"APW1BC"},{"beer":"Sunset Amber Ale","rate":"4","id":"scC0RX","breweryID":"xcKkLh"},{"beer":"Sweet Baby Jesus!","rate":"4","id":"opSf4n","breweryID":"TVgBWg"},{"beer":"Sweet Child of Vine","rate":"3","id":"xrLwng","breweryID":"5GoGSi"},{"beer":"ta henket","rate":"4","id":"icSARl","breweryID":"g0jHqt"},{"beer":"Tank 7 Farmhouse Ale","rate":"3","id":"lDiXyX","breweryID":"VDMEV7"},{"beer":"Ten Fidy","rate":"5","id":"x6bRxw","breweryID":"q6vJUK"},{"beer":"The Cask","rate":"3","id":"NgxwRi","breweryID":"dwroV3"},{"beer":"The Fear","rate":"2","id":"0ZX12D","breweryID":"jmGoBA"},{"beer":"The Libertine","rate":"4","id":"irF7Mh","breweryID":"5GoGSi"},{"beer":"The Sixth Glass","rate":"4","id":"zrAAHP","breweryID":"VDMEV7"},{"beer":"The Truth","rate":"3","id":"o9TSOv","breweryID":"jmGoBA"},{"beer":"The Vermonster","rate":"2","id":"UJI7C4","breweryID":"LpX3cU"},{"beer":"Theobroma","rate":"0","id":"H1L7UE","breweryID":"g0jHqt"},{"beer":"Third Shift","rate":"3","id":"g284jn","breweryID":"avMkil"},{"beer":"Thomas Jefferson's Tavern Ale","rate":"3","id":"xDzvQP","breweryID":"jwWiTH"},{"beer":"Three Philosophers","rate":"4","id":"TOzkLy","breweryID":"tCxPtR"},{"beer":"Torpedo Extra IPA","rate":"3","id":"JaS6T7","breweryID":"nHLlnK"},{"beer":"Trade Winds Tripel","rate":"4","id":"jdulDH","breweryID":"4MVtcc"},{"beer":"Tribute Tripel","rate":"5","id":"FdRZ7e","breweryID":"UbQHhM"},{"beer":"Troegenator Double Bock","rate":"3","id":"OGlmOC","breweryID":"n5QFi2"},{"beer":"Tweasonale","rate":"3","id":"Qx1hbt","breweryID":"g0jHqt"},{"beer":"UFO White","rate":"3","id":"cG83LQ","breweryID":"RzvedX"},{"beer":"Unfiltered Wheat Beer","rate":"3","id":"lgaPWe","breweryID":"VDMEV7"},{"beer":"Unibroue 17","rate":"4","id":"VfyYpZ","breweryID":"llbEuB"},{"beer":"Urkontinent","rate":"3","id":"XQyXhk","breweryID":"g0jHqt"},{"beer":"Vanilla Porter","rate":"3","id":"Bk34Go","breweryID":"IImUD9"},{"beer":"Vanilla Stout","rate":"4","id":"NRhCm4","breweryID":"oBe8dQ"},{"beer":"Walkers Reserve","rate":"3","id":"JgdTCV","breweryID":"qghrkC"},{"beer":"Wells Banana Bread Beer","rate":"4","id":"hQzCbn","breweryID":"6oEP92"},{"beer":"West Coast IPA","rate":"4","id":"RC4BkU","breweryID":"Nj8cgD"},{"beer":"Western Rider","rate":"2","id":"ymabSa","breweryID":"bRKIdZ"},{"beer":"Winter Storm - Category 5 Ale","rate":"3","id":"fA0O8C","breweryID":"wTFQaf"},{"beer":"Wookey Jack","rate":"3","id":"f5DoHi","breweryID":"qghrkC"},{"beer":"World Wide Stout","rate":"4","id":"H5sA73","breweryID":"g0jHqt"},{"beer":"Yakima Glory Ale","rate":"3","id":"q7dLm5","breweryID":"VoKbnS"},{"beer":"Yeti Imperial Stout","rate":"5","id":"oz1oll","breweryID":"I8WZv2"},{"beer":"Yuengling Traditional Lager","rate":"3","id":"wd1Y84","breweryID":"pX8lES"}]

适配器代码：

public class ShortBeerInfoAdapter extends ArrayAdapter<ShortBeerInfo>{

    Context context;
    int layoutResourceId;
    List<ShortBeerInfo> data = null;

    public ShortBeerInfoAdapter(Context context, int layoutResourceId, List<ShortBeerInfo> data) {
        super(context, layoutResourceId, data);
        this.layoutResourceId = layoutResourceId;
        this.context = context;
        this.data = data;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View row = convertView;
        beerHolder holder = null;

        if(row == null)
        {
            LayoutInflater inflater = ((Activity)context).getLayoutInflater();
            row = inflater.inflate(layoutResourceId, parent, false);

            holder = new beerHolder();
            holder.txtBeer = (TextView)row.findViewById(R.id.breweryName);
            holder.txtRate = (TextView)row.findViewById(R.id.breweryRate);
            holder.txtBar = (RatingBar) row.findViewById(R.id.starbar);

            row.setTag(holder);
        }
        else
        {
            holder = (beerHolder)row.getTag();
        }

        ShortBeerInfo beer = data.get(position);
        holder.txtBeer.setText(beer.beer);
        holder.txtRate.setText(beer.rate + " out of 5.00 Stars");

        holder.numHolder= Float.parseFloat(beer.rate);

        holder.txtBar.setNumStars(5);
        holder.txtBar.setRating(holder.numHolder);

        return row;
    }

    static class beerHolder
    {
        TextView txtBeer;
        TextView txtRate;
        RatingBar txtBar;
        Float numHolder;
    }
}

Answer 1

我认为您无法正确查看列表，因为您的 ListVew 位于 ScrollView 中。ListView 本身是可滚动的，因此它不能在 ScrollView 中正确显示，您最多可以看到一个高度非常小的 ListView，适合一两个元素。尝试在 ScrollView 之外使用 ListView 来测试您的代码是否正确。希望能帮助到你。

Answer 2

简短的回答是你做错了。

您应该将数据异步加载到 sqlite db 表中，并使用带有游标适配器的加载器。

此外，即使使用您拥有的代码（并且在这里很难从我的手机中读取），看起来您在将列表适配器添加到列表视图之前只向列表添加了一个元素，这就是为什么您只看到一个单项。

可能给您带来麻烦的另一件事是，您将数据异步加载到已创建的列表视图中，但您似乎没有在任务完成时发出适配器有新数据的信号。

Answer 3

移动适配器的代码，使其位于 for 循环的外部和下方。您正在为每次迭代创建一个新适配器，因此它的运行速度可能非常慢。此外，您也在为每次迭代设置 onitemclicklistener。它只需要完成一次。

这样做，然后看看会发生什么。在 for 循环之后也放一个断点，看看你的 tasteList 中有多少项目。如果有多个，那么您的适配器很可能是问题所在。

如果您可以发布适配器的代码。

我想我的回答是您可能不会返回超过一件物品。由于适配器正在将数据发布到列表中，所以应该没问题。一旦您可以调试应用程序并查看返回的项目数量，我们就可以确定。