AdapterViewFlipper的功能和用法

 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="com.hct.adapterviewflipper.MainActivity" >
 6 
 7     <AdapterViewFlipper
 8         android:id="@+id/adapter_view_flipper_id"
 9         android:layout_width="match_parent"
10         android:layout_height="match_parent"
11         android:layout_alignParentTop="true"
12         android:flipInterval="5000" />
13 
14     <Button
15         android:layout_width="wrap_content"
16         android:layout_height="wrap_content"
17         android:layout_alignParentBottom="true"
18         android:layout_alignParentLeft="true"
19         android:onClick="prev"<!-- 需要实现prev方法 -->
20         android:text="@string/pre_button_txt" />
21 
22     <Button
23         android:layout_width="wrap_content"
24         android:layout_height="wrap_content"
25         android:layout_alignParentBottom="true"
26         android:layout_alignParentRight="true"
27         android:onClick="next" <!-- 需要实现的方法 -->
28         android:text="@string/next_button_txt" />
29 
30     <Button
31         android:layout_width="wrap_content"
32         android:layout_height="wrap_content"
33         android:layout_alignParentBottom="true"
34         android:layout_centerHorizontal="true"
35         android:onClick="auto_play"<!-- 需要实现的方法 -->
36 　　　　 android:text="@string/auto_button_txt" />
37
38 </RelativeLayout>

 1 public class MainActivity extends Activity {
 2     private int[] m_image_ids = new int[] { R.drawable.baiyang,
 3             R.drawable.jinniu, R.drawable.shuangzi, R.drawable.juxie,
 4             R.drawable.shizi, R.drawable.chunv, R.drawable.tiancheng,
 5             R.drawable.tianxie, R.drawable.sheshou, R.drawable.mojie,
 6             R.drawable.shuiping, R.drawable.shuangyu };
 7     private AdapterViewFlipper m_adapterFlipper;
 8 
 9     @Override
10     protected void onCreate(Bundle savedInstanceState) {
11         super.onCreate(savedInstanceState);
12         setContentView(R.layout.activity_main);
13         m_adapterFlipper = (AdapterViewFlipper) findViewById(R.id.adapter_view_flipper_id);
14         BaseAdapter baseAdapter = new BaseAdapter() {
15 
16             @Override
17             public View getView(int position, View convertView, ViewGroup parent) {
18                 // TODO Auto-generated method stub
19                 ImageView imageView = new ImageView(MainActivity.this);
20                 imageView.setImageResource(m_image_ids[position]);
21                 // 设置image的缩放类型
22                 imageView.setScaleType(ImageView.ScaleType.FIT_XY);
23                 imageView.setLayoutParams(new LayoutParams(
24                         LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
25                 return imageView;
26             }
27 
28             @Override
29             public long getItemId(int position) {
30                 // TODO Auto-generated method stub
31                 return position;
32             }
33 
34             @Override
35             public Object getItem(int position) {
36                 // TODO Auto-generated method stub
37                 return position;
38             }
39 
40             @Override
41             public int getCount() {
42                 // TODO Auto-generated method stub
43                 return m_image_ids.length;
44             }
45         };
46         m_adapterFlipper.setAdapter(baseAdapter);
47     }
48 
49     public void prev(View source){
50         //显示上一个组件
51         m_adapterFlipper.showPrevious();
52         m_adapterFlipper.stopFlipping();
53     }
54     
55     public void next(View source){
56         //显示下一个组件
57         m_adapterFlipper.showNext();
58         m_adapterFlipper.stopFlipping();
59     }
60     
61     public void auto_play(View source){
62         //自动播放
63         m_adapterFlipper.startFlipping();
64     }
65     
66     @Override
67     public boolean onCreateOptionsMenu(Menu menu) {
68         // Inflate the menu; this adds items to the action bar if it is present.
69         getMenuInflater().inflate(R.menu.main, menu);
70         return true;
71     }
72 
73     @Override
74     public boolean onOptionsItemSelected(MenuItem item) {
75         // Handle action bar item clicks here. The action bar will
76         // automatically handle clicks on the Home/Up button, so long
77         // as you specify a parent activity in AndroidManifest.xml.
78         int id = item.getItemId();
79         if (id == R.id.action_settings) {
80             return true;
81         }
82         return super.onOptionsItemSelected(item);
83     }
84 }