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  • Android 控件绑定封裝

    最近刚开始写android

    随便记录一下,以后还会修改

    绑定ListView,Spinner

    先创建绑定项:

    BaseItem

    public class BaseItem {
    
        public BaseItem(Integer id,String value){
            this.setId(id);
            this.setValue(value);
        }
    
        private Integer id;
        private String value;
    
        public Integer getId() {
            return id;
        }
    
        public void setId(Integer id) {
            this.id = id;
        }
    
        public String getValue() {
            return value;
        }
    
        public void setValue(String value) {
            this.value = value;
        }
    
        //必须要重写,不然绑定spinner会有问题
        @Override
        public String toString() {
            // TODO Auto-generated method stub
            return value;
        }
    }

    然后创建绑定方法:
    public class ControlHelper {
        public static <T extends AdapterView> void BindAdapterView(Context context, T control, List<BaseItem> list)
        {
            ArrayAdapter<BaseItem> adapter=new ArrayAdapter<BaseItem>(context, android.R.layout.simple_list_item_1,list);
            control.setAdapter(adapter);
        }
        public static <T extends AdapterView> void BindAdapterView(Context context, T control, List<BaseItem> list,Integer layout)
        {
            ArrayAdapter<BaseItem> adapter=new ArrayAdapter<BaseItem>(context, layout,list);
            control.setAdapter(adapter);
        }
    }


    调用:

    List<BaseItem> list = new ArrayList<>();
    //result.getData()是数据源
                for (int i = 0; i < result.getData().size(); i++) {
                    Integer wid = result.getData().get(i).getPPR_ID();
                    String name = result.getData().get(i).getPO_No();
                    BaseItem item = new BaseItem(wid, name);
                    list.add(item);
                }
    	    //spinner
                ControlHelper.BindAdapterView(getBaseContext(), spInboundPO, list);
    	    //listview
    	    ControlHelper.BindAdapterView(getBaseContext(), lvInboundPO, list, android.R.layout.simple_list_item_1);











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  • 原文地址:https://www.cnblogs.com/hanjun0612/p/9779748.html
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