ListViewに最初の１行しか表示されない

前提・実現したいこと

SQLiteに保存したデータをArrayAdapterを使ってListViewに表示したい。

発生している問題・エラーメッセージ

エラーメッセージは特に出ていない

該当のソースコード

android(Java)
1public class MainActivity extends AppCompatActivity {
2
3    ListView listView;
4    DBAdapter dbAd;
5    ListAdapter lsAd;
6    List<RecordData> recordData;
7    Cursor cursor;
8
9    @Override
10    protected void onCreate(Bundle savedInstanceState) {
11        super.onCreate(savedInstanceState);
12        setContentView(R.layout.activity_main);
13
14        recordData = new ArrayList<>();
15
16
17        dbAd = new DBAdapter(getApplicationContext());
18
19        dbAd.openDB();
20
21        //DBの初期化
22        dbAd.delDB(null, null);
23
24        dbAd.saveDB("テスト１", "50", "10");
25        dbAd.saveDB("テスト２", "60", "20");
26
27        cursor = dbAd.getDB(null);
28
29
30        for (boolean next = cursor.moveToFirst(); next; next = cursor.moveToNext()) {
31
32            RecordData rdBuf = new RecordData(cursor.getString(1), cursor.getString(2), cursor.getString(3));
33
34            recordData.add(rdBuf);
35
36        }
37        
38        cursor.moveToFirst();
39        dbAd.closeDB();
40
41        lsAd = new ListAdapter(this, 0, recordData);
42
43        listView = (ListView) findViewById(R.id.list_view);
44        listView.setAdapter(lsAd);
45
46
47    }
48}
49
50**************************************
51public class ListAdapter extends ArrayAdapter<RecordData> {
52
53    LayoutInflater inflater;
54    ArrayList<RecordData> recordData = new ArrayList<>();
55
56    public ListAdapter(@NonNull Context context, @LayoutRes int resource, @NonNull List<RecordData> objects) {
57        super(context, resource, objects);
58
59        this.inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
60
61        recordData.addAll(objects);
62
63    }
64
65    @NonNull
66    @Override
67    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
68
69
70        if (convertView !=null){
71
72        }else{
73            convertView = this.inflater.inflate(R.layout.record,parent,false);
74        }
75
76        RecordData rd = getItem(position);
77
78        EditText trName = (EditText)convertView.findViewById(R.id.tr_name);
79        trName.setText(rd.trName);
80        EditText weight = (EditText)convertView.findViewById(R.id.weight);
81        weight.setText(rd.weight);
82        EditText num = (EditText)convertView.findViewById(R.id.number);
83        num.setText(rd.num);
84
85
86        return convertView;
87    }
88}
89