ListView的简单使用

ListView的简单使用
ArrayAdapter(Context context, int resource, T[] objects);

public class MainActivity extends AppCompatActivity {
private ListView listView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (ListView) findViewById(R.id.list);
ArrayList arrayList = new ArrayList();
for (int i=0;i<20;i++)
arrayList.add(“显示数据数据”+ (i+1));

    ArrayAdapter arrayAdapter = new ArrayAdapter(this,android.R.layout.simple_list_item_1,arrayList);    // this 上下文环境    //android.R.layout.simple_list_item_1 资源id    //arrayList ArrayList    listView.setAdapter(arrayAdapter);}

}