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Android 实现显示文字的Gallery

实现了显示文字的Gallery,效果如下:

Android 实现显示文字的Gallery
首先肯定是创建android工程,修改res/layout下的main.xml文件如下:

<gallery android:id="@+id/mygallery" android:layout_width="fill_parent"           android:layout_height="wrap_content" android:spacing="20dp" />      

MainActivity中onCreate方法如下:、

public void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.main);       Gallery myGallery = (Gallery) findViewById(R.id.mygallery);             SpinnerAdapter spinnerAdapter = new SimpleAdapter(this,getData(),               android.R.layout.simple_gallery_item,               new String[] {"mydata"},new int[] { android.R.id.text1 });                      myGallery.setAdapter(spinnerAdapter);       

解释一下SimpleAdapter的参数:

第一个adapter的View容器,第二个数据源,也就是显示在Gallery中的数据信息,类型是List,其中的枚举类型为Map,第三个gallery的layout布局,第四个数据源中Map的key,第五个为value的值盛放的view,这里用默认的android.R.id.text1 。

getData的方法如下:

public List getData(){          List myList = new ArrayList();          Map myMap = new HashMap();          myMap.put("mydata","aaa");          myList.add(myMap);                   myMap = new HashMap();          myMap.put("mydata","bbb");          myList.add(myMap);                   myMap = new HashMap();          myMap.put("mydata","ccc");          myList.add(myMap);                   myMap = new HashMap();          myMap.put("mydata","ddd");          myList.add(myMap);                   myMap = new HashMap();          myMap.put("mydata","eee");          myList.add(myMap);                   myList.add(myMap);          return myList;      }