ListView多条目加载

/** 

 * listview多条目加载,使用项目使用imageloader,butterknife; 

 */  

public class MainActivity extends AppCompatActivity {  

    @BindView(R.id.lv)  

    ListView lv;  

  

    private ArrayList<Goods> goodsList;  

    String imgUrl = "http://image.tianjimedia.com/uploadImages/2012/067/N80N0GUA36N0.jpg";  

    private ImageView img;  

  

    @Override  

    protected void onCreate(Bundle savedInstanceState) {  

        super.onCreate(savedInstanceState);  

        setContentView(R.layout.activity_main);  

        //使用butterKnife来注解控件;  

        ButterKnife.bind(this);  

        initData();  

  

    }  

  

    private void initData() {  

        goodsList = new ArrayList<Goods>();  

        goodsList.add(new Goods("商品1", "21", 0));  

        goodsList.add(new Goods("商品3", "23", 0));  

        goodsList.add(new Goods("商品4", "24", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品2", "22", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品5", "25", 0));  

        goodsList.add(new Goods("商品6", "26", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品21", "21", 0));  

        goodsList.add(new Goods("商品5", "25", 0));  

        goodsList.add(new Goods("商品22", "22", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品23", "23", 0));  

        goodsList.add(new Goods("商品24", "24", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品25", "25", 0));  

        goodsList.add(new Goods("商品26", "26", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品31", "21", 0));  

        goodsList.add(new Goods("商品32", "22", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品34", "24", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品36", "26", R.drawable.hu, 1));  

        goodsList.add(new Goods("商品33", "23", 0));  

        goodsList.add(new Goods("商品35", "25", 0));  

  

        //把数据配置给listview  

        lv.setAdapter(new MBaseAdapter());  

    }  

  

    class MBaseAdapter extends BaseAdapter {  

  

        private final int type1 = 0;  

        private final int type2 = 1;  

  

        @Override  

        public int getCount() {  

            return goodsList.size();  

        }  

  

        @Override  

        public Object getItem(int i) {  

            return goodsList.get(i);  

        }  

  

        @Override  

        public long getItemId(int i) {  

            return i;  

        }  

  

        @Override  

        public View getView(int i, View convertView, ViewGroup viewGroup) {  

            int typeId = goodsList.get(i).getTypeId();  

            switch (typeId) {  

                case type1:  

                    Holder1 holder1 = null;  

                    if (convertView == null) {  

                        holder1 = new Holder1();  

                        convertView = View.inflate(MainActivity.this, R.layout.lv_item_1, null);  

                        holder1.textView1 = convertView.findViewById(R.id.textView1);  

                        holder1.textView2 = convertView.findViewById(R.id.textView2);  

                        convertView.setTag(holder1);  

                    } else {  

                        holder1 = (Holder1) convertView.getTag();  

                    }  

                    holder1.textView1.setText(goodsList.get(i).getName());  

                    holder1.textView2.setText(goodsList.get(i).getPrice());  

                    break;  

                case type2:  

                    Holder2 holder2 = null;  

                    if (convertView == null) {  

                        holder2 = new Holder2();  

                        convertView = View.inflate(MainActivity.this, R.layout.lv_item_2, null);  

                        holder2.textView1 = convertView.findViewById(R.id.textView1);  

                        holder2.textView2 = convertView.findViewById(R.id.textView2);  

                        holder2.imageView1 = convertView.findViewById(R.id.imageView1);  

                        convertView.setTag(holder2);  

                    } else {  

                        holder2 = (Holder2) convertView.getTag();  

                    }  

                    holder2.textView1.setText(goodsList.get(i).getName());  

                    holder2.textView2.setText(goodsList.get(i).getPrice());  

  

//                            holder2.imageView1.setImageResource(R.drawable.hu);  

                    ImageLoader.getInstance().displayImage(imgUrl, holder2.imageView1);  

                    break;  

  

            }  

            return convertView;  

        }  

  

        //返回条目有多少种类型  

        @Override  

        public int getViewTypeCount() {  

            return 2;  

        }  

  

        //返回条目的类型  

        @Override  

        public int getItemViewType(int position) {  

            return goodsList.get(position).getTypeId();  

        }  

    }  

  

  

    class Holder1 {  

        TextView textView1, textView2;  

    }  

  

    class Holder2 {  

        TextView textView1, textView2;  

        ImageView imageView1;  

    }  

  

}