图片适配器

    private SimpleAdapter simpleAdapter;    private ListView listView;    private List<HashMap<String, Integer>> dataList;
//直接在主Activity中调用即可

private void Main_Adapter (){    listView= (ListView) findViewById(R.id.listView);    dataList = new ArrayList<>();    simpleAdapter=new SimpleAdapter(this,getData(),R.layout.simple_adapter,new String[]{"image1","image2","image3"},            new int[]{R.id.image1,R.id.image2,R.id.image3});    listView.setAdapter(simpleAdapter);}private List<HashMap<String, Integer>> getData(){    for (int i=0;i<15;i++){        HashMap<String, Integer> map =  new HashMap<>();        map.put("image1",R.mipmap.ic_launcher);        map.put("image2",R.mipmap.ic_launcher);        map.put("image3",R.mipmap.ic_launcher);        dataList.add(map);    }    return dataList;}