textview里没显示，只显示图片

Question

 @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        listview = (ListView) findViewById(R.id.listView1);

        //新建一个适配器

        //适配器加载数据源

        String[] arr={"zz1","zz2","zz3","zz4","zz5",};

        datalist = new ArrayList<Map<String,Object>>();

        arradapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, arr);

        simadapter = new SimpleAdapter(this, getData(), R.layout.item, new String[]{"pic","textview"}, new int[]{R.id.pic,R.id.tv});

        //3:视图（Listview）加载适配器器

       //listview.setAdapter(arradapter); //设置数组适配器

        listview.setAdapter(simadapter); //设置简单适配器

    

    }

    private List<Map<String,Object>> getData(){

    for(int i =0;i<20;i++){

   

    Map<String,Object>map = new HashMap<String,Object>();

    map.put("pic",R.drawable.ic_launcher);

    map.put("text", "你好"+i);

    datalist.add(map);

    }

   

    return datalist;

    }

Answer 1

我相信你已经解决了