每日日报

ArrayAdapter

1.public class MainActivity2 extends Activity {
2.private String datas[] = new String[]{"张小军","张欣","张丹丹"};
3.    @Override
4.    protected void onCreate(Bundle savedInstanceState) {
5.        super.onCreate(savedInstanceState);
6.        setContentView(R.layout.activity_main);
7.       ListView lv_list =  (ListView) findViewById(R.id.lv_list);
8.       //第二个参数 用来显示数据的布局文件ID
9.       //第三个参数 布局文件中用来展示数据的具体的textview的id
10.       //第三个参数 String数组  用来显示的数据源
11.      ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.item,R.id.tv_test, datas);
12.      lv_list.setAdapter(adapter);
13.    }
14.}

条目布局文件

1.<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
2.    xmlns:tools="http://schemas.android.com/tools"
3.    android:layout_width="match_parent"
4.    android:layout_height="match_parent"
5.    tools:context=".MainActivity" >
6.
7.    <TextView
8.        android:id="@+id/tv_test"
9.        android:layout_width="match_parent"
10.        android:layout_height="match_parent"
11.        android:text="@string/hello_world" />
12.
13.</RelativeLayout>