Android入门逆引手册 - 10 列表框(ListView)的使用

这里介绍android.widget.ListView类的使用方法。



● 设置Adapter，调用setAdapter()方法。
● 追加Item被点击时候的处理，调用setOnItemClickListener()方法。
● 追加Item被选择时候的处理，调用setOnItemSelectedListener()方法。

例程源码(Java)

01.

ArrayAdapter<String> adapter =

new

ArrayAdapter<String>(

02.

this

,

03.

android.R.layout.simple_list_item_1);

04.

05.

adapter.add(

"red"

);

06.

adapter.add(

"green"

);

07.

adapter.add(

"blue"

);

08.

09.

ListView listView = (ListView) findViewById(id.listView);

10.

11.

listView.setAdapter(adapter);

12.

13.

listView.setOnItemClickListener(

new

AdapterView.OnItemClickListener() {

14.

@Override

15.

public

void

onItemClick(

16.

AdapterView<?> parent,

17.

View view,

18.

int

position,

19.

long

id) {

20.

ListView listView = (ListView) parent;

21.

Log.v(

"Test"

,

"id = "

+ id +

"("

22.

+ listView.getItemAtPosition(position).toString() +

")"

);

23.

}

24.

});

25.

26.

listView.setOnItemSelectedListener(

new

OnItemSelectedListener() {

27.

@Override

28.

public

void

onItemSelected(

29.

AdapterView<?> parent,

30.

View view,

31.

int

position,

32.

long

id) {

33.

ListView listView = (ListView) parent;

34.

Log.v(

"Test"

,

"id = "

+ id +

"("

35.

+ listView.getSelectedItem().toString() +

")"

);

36.

}

37.

@Override

38.

public

void

onNothingSelected(AdapterView<?> parent) {

39.

}

40.

});

例程源码(Resource)

1.

<

ListView

android:id

=

"@+id/listView"

2.

android:layout_width

=

"fill_parent"

3.

android:layout_height

=

"fill_parent"

/>

参考资源
● ListView | Android Developers
● ArrayAdapter | Android Developers
● R.layout | Android Developers