1. /*Gallary对象加载缩略图集，并显示
   
2. *为Gallary对象添加选项监听事件，当选中
   
3. *一项时，对应的回调函数Switcher对象的图片设置
   
4. *为图片资源中一张下标与Gallary选项下标相同的图片
   
5. */
   
6. public class ImageSwitcher1 extends Activity implements
   
7.         AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory {//实现viewFactory
   
8. //图片切换器的实例引用
   
9.     private ImageSwitcher mSwitcher;
   
10. 
    
11.     @Override
    
12.     public void onCreate(Bundle savedInstanceState) {
    
13.         super.onCreate(savedInstanceState);
    
14. //设置屏幕无标题
    
15.         requestWindowFeature(Window.FEATURE_NO_TITLE);
    
16. 
    
17.         setContentView(R.layout.image_switcher_1);
    
18. //找到layout中的控件
    
19.         mSwitcher = (ImageSwitcher) findViewById(R.id.switcher);
    
20.         mSwitcher.setFactory(this);
    
21. //设置图片切换动画
    
22.         mSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
    
23.                 android.R.anim.fade_in));
    
24.         mSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
    
25.                 android.R.anim.fade_out));
    
26. //相册控件
    
27.         Gallery g = (Gallery) findViewById(R.id.gallery);
    
28.         g.setAdapter(new ImageAdapter(this));
    
29.         g.setOnItemSelectedListener(this);
    
30.     }
    
31. 
    
32.     public void onItemSelected(AdapterView parent, View v, int position, long id) {
    
33. //设置一张下标与item选项position相同图片
    
34.         mSwitcher.setImageResource(mImageIds[position]);
    
35.     }
    
36. 
    
37.     public void onNothingSelected(AdapterView parent) {
    
38.     }
    
39. 
    
40.     public View makeView() {
    
41.         ImageView i = new ImageView(this);
    
42.         i.setBackgroundColor(0xFF000000);
    
43.         i.setScaleType(ImageView.ScaleType.FIT_CENTER);
    
44.         i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT,
    
45.                 LayoutParams.MATCH_PARENT));
    
46.         return i;
    
47.     }
    
48. 
    
49. //自定义图片适配器
    
50.     public class ImageAdapter extends BaseAdapter {
    
51.         public ImageAdapter(Context c) {
    
52.             mContext = c;
    
53.         }
    
54. 
    
55.         public int getCount() {
    
56.             return mThumbIds.length;
    
57.         }
    
58. 
    
59.         public Object getItem(int position) {
    
60.             return position;
    
61.         }
    
62. 
    
63.         public long getItemId(int position) {
    
64.             return position;
    
65.         }
    
66. 
    
67.         public View getView(int position, View convertView, ViewGroup parent) {
    
68.             ImageView i = new ImageView(mContext);
    
69. 
    
70.             i.setImageResource(mThumbIds[position]);
    
71.             i.setAdjustViewBounds(true);
    
72.             i.setLayoutParams(new Gallery.LayoutParams(
    
73.                     LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
    
74.             i.setBackgroundResource(R.drawable.picture_frame);
    
75.             return i;
    
76.         }
    
77. 
    
78.         private Context mContext;
    
79. 
    
80.     }
    
81. 
    
82.     private Integer[] mThumbIds = {
    
83.             R.drawable.sample_thumb_0, R.drawable.sample_thumb_1,
    
84.             R.drawable.sample_thumb_2, R.drawable.sample_thumb_3,
    
85.             R.drawable.sample_thumb_4, R.drawable.sample_thumb_5,
    
86.             R.drawable.sample_thumb_6, R.drawable.sample_thumb_7};
    
87. 
    
88.     private Integer[] mImageIds = {
    
89.             R.drawable.sample_0, R.drawable.sample_1, R.drawable.sample_2,
    
90.             R.drawable.sample_3, R.drawable.sample_4, R.drawable.sample_5,
    
91.             R.drawable.sample_6, R.drawable.sample_7};
    
92. 
    
93. }
    

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1. /*Gallary对象加载缩略图集，并显示
   
2. *为Gallary对象添加选项监听事件，当选中
   
3. *一项时，对应的回调函数Switcher对象的图片设置
   
4. *为图片资源中一张下标与Gallary选项下标相同的图片
   
5. */
   
6. public class ImageSwitcher1 extends Activity implements
   
7.         AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory {//实现viewFactory
   
8. //图片切换器的实例引用
   
9.     private ImageSwitcher mSwitcher;
   
10. 
    
11.     @Override
    
12.     public void onCreate(Bundle savedInstanceState) {
    
13.         super.onCreate(savedInstanceState);
    
14. //设置屏幕无标题
    
15.         requestWindowFeature(Window.FEATURE_NO_TITLE);
    
16. 
    
17.         setContentView(R.layout.image_switcher_1);
    
18. //找到layout中的控件
    
19.         mSwitcher = (ImageSwitcher) findViewById(R.id.switcher);
    
20.         mSwitcher.setFactory(this);
    
21. //设置图片切换动画
    
22.         mSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
    
23.                 android.R.anim.fade_in));
    
24.         mSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
    
25.                 android.R.anim.fade_out));
    
26. //相册控件
    
27.         Gallery g = (Gallery) findViewById(R.id.gallery);
    
28.         g.setAdapter(new ImageAdapter(this));
    
29.         g.setOnItemSelectedListener(this);
    
30.     }
    
31. 
    
32.     public void onItemSelected(AdapterView parent, View v, int position, long id) {
    
33. //设置一张下标与item选项position相同图片
    
34.         mSwitcher.setImageResource(mImageIds[position]);
    
35.     }
    
36. 
    
37.     public void onNothingSelected(AdapterView parent) {
    
38.     }
    
39. 
    
40.     public View makeView() {
    
41.         ImageView i = new ImageView(this);
    
42.         i.setBackgroundColor(0xFF000000);
    
43.         i.setScaleType(ImageView.ScaleType.FIT_CENTER);
    
44.         i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT,
    
45.                 LayoutParams.MATCH_PARENT));
    
46.         return i;
    
47.     }
    
48. 
    
49. //自定义图片适配器
    
50.     public class ImageAdapter extends BaseAdapter {
    
51.         public ImageAdapter(Context c) {
    
52.             mContext = c;
    
53.         }
    
54. 
    
55.         public int getCount() {
    
56.             return mThumbIds.length;
    
57.         }
    
58. 
    
59.         public Object getItem(int position) {
    
60.             return position;
    
61.         }
    
62. 
    
63.         public long getItemId(int position) {
    
64.             return position;
    
65.         }
    
66. 
    
67.         public View getView(int position, View convertView, ViewGroup parent) {
    
68.             ImageView i = new ImageView(mContext);
    
69. 
    
70.             i.setImageResource(mThumbIds[position]);
    
71.             i.setAdjustViewBounds(true);
    
72.             i.setLayoutParams(new Gallery.LayoutParams(
    
73.                     LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
    
74.             i.setBackgroundResource(R.drawable.picture_frame);
    
75.             return i;
    
76.         }
    
77. 
    
78.         private Context mContext;
    
79. 
    
80.     }
    
81. 
    
82.     private Integer[] mThumbIds = {
    
83.             R.drawable.sample_thumb_0, R.drawable.sample_thumb_1,
    
84.             R.drawable.sample_thumb_2, R.drawable.sample_thumb_3,
    
85.             R.drawable.sample_thumb_4, R.drawable.sample_thumb_5,
    
86.             R.drawable.sample_thumb_6, R.drawable.sample_thumb_7};
    
87. 
    
88.     private Integer[] mImageIds = {
    
89.             R.drawable.sample_0, R.drawable.sample_1, R.drawable.sample_2,
    
90.             R.drawable.sample_3, R.drawable.sample_4, R.drawable.sample_5,
    
91.             R.drawable.sample_6, R.drawable.sample_7};
    
92. 
    
93. }
    

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