Adapter 1, Arrayadapter 2.SimpleAdapter

Arrayadapter (Array adapter): Used to bind single-frame data. Data source: Can be a collection or an array

public class Mainactivity extends appcompatactivity  {    private ListView lv;    Private arrayadapter<string> Arr_adapter;    @Override    protected void onCreate (Bundle savedinstancestate) {        super.oncreate (savedinstancestate);        Setcontentview (r.layout.activity_main);        LV = (ListView) Findviewbyid (R.id.listview);        String[] Array_data = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday"};        1. Create a new adapter        //arraydapter (context, each load list item corresponding to the layout file, data source,)        //  2. Adapter Load Data source        Arr_adapter = new Arrayadapter<string> (this,android.　　R.layout.simple_list_item_1,array_data); Android comes with a layout file to be aware of first Android. R.        3. View ListView Load Adapter        lv.setadapter (arr_adapter);}    }

　　

Adapter 1, Arrayadapter 2.SimpleAdapter