Android特效第四篇：Android抽屉实现

Android抽屉，对用户的体验是非常好的。第一次见到Android抽屉是在51job的Android客户端，最近我在微信上也看到这样一个效果，今天花了点时间写了一个Android抽屉测试与大家分享。

      先贴效果图:

                                

   代码:

[java] view plaincopyprint?

1. package com.jefry.activity;  
2.   
3. import com.jefry.service.MyAdapter;  
4.   
5. import android.app.Activity;  
6. import android.os.Bundle;  
7. import android.widget.GridView;  
8. import android.widget.ImageView;  
9. import android.widget.SlidingDrawer;  
10. public class SlidingdrawerActivity extends Activity {  
11.        
12.       private GridView gridview;  
13.       private SlidingDrawer slidingdrawer;  
14.       private ImageView imageview;  
15.       private int[] icons={R.drawable.main1,R.drawable.main2,  
16.                             R.drawable.main3,R.drawable.main4,  
17.                             R.drawable.main5,R.drawable.main6,  
18.                             R.drawable.main7,R.drawable.main8,R.drawable.main9};  
19.       private String[] items={"jefry1","jefry2","jefry3","jefry4","jefry5","jefry6","jefry7","jefry8","jefry9"};  
20.            
21.         /** Called when the activity is first created. */  
22.         @Override  
23.         public void onCreate(Bundle savedInstanceState) {  
24.             super.onCreate(savedInstanceState);  
25.             setContentView(R.layout.main);  
26.             gridview = (GridView)findViewById(R.id.gridview);   
27.             slidingdrawer = (SlidingDrawer)findViewById(R.id.sd);  
28.             imageview=(ImageView)findViewById(R.id.imageview);  
29.             MyAdapter adapter=new MyAdapter(this,items,icons);  
30.             gridview.setAdapter(adapter);  
31.             slidingdrawer.setOnDrawerOpenListener(new SlidingDrawer.OnDrawerOpenListener()  
32.             {  
33.                
34.               public void onDrawerOpened()  
35.               {  
36.                   imageview.setImageResource(R.drawable.draw_down);  
37.               }  
38.             });  
39.             slidingdrawer.setOnDrawerCloseListener(new SlidingDrawer.OnDrawerCloseListener()  
40.             {  
41.              
42.               public void onDrawerClosed()  
43.               {  
44.                   imageview.setImageResource(R.drawable.draw_up);  
45.               }  
46.             });  
47.         }  
48.     }  

package com.jefry.activity;import com.jefry.service.MyAdapter;import android.app.Activity;import android.os.Bundle;import android.widget.GridView;import android.widget.ImageView;import android.widget.SlidingDrawer;public class SlidingdrawerActivity extends Activity {   private GridView gridview;  private SlidingDrawer slidingdrawer;  private ImageView imageview;  private int[] icons={R.drawable.main1,R.drawable.main2,                        R.drawable.main3,R.drawable.main4,                        R.drawable.main5,R.drawable.main6,                        R.drawable.main7,R.drawable.main8,R.drawable.main9};  private String[] items={"jefry1","jefry2","jefry3","jefry4","jefry5","jefry6","jefry7","jefry8","jefry9"};         /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        gridview = (GridView)findViewById(R.id.gridview);         slidingdrawer = (SlidingDrawer)findViewById(R.id.sd);        imageview=(ImageView)findViewById(R.id.imageview);        MyAdapter adapter=new MyAdapter(this,items,icons);        gridview.setAdapter(adapter);        slidingdrawer.setOnDrawerOpenListener(new SlidingDrawer.OnDrawerOpenListener()        {                   public void onDrawerOpened()          {          imageview.setImageResource(R.drawable.draw_down);          }        });        slidingdrawer.setOnDrawerCloseListener(new SlidingDrawer.OnDrawerCloseListener()        {                 public void onDrawerClosed()          {          imageview.setImageResource(R.drawable.draw_up);          }        });    }}

[java] view plaincopyprint?

1. package com.jefry.service;  
2.   
3. import com.jefry.activity.R;  
4.   
5. import android.content.Context;  
6. import android.view.LayoutInflater;  
7. import android.view.View;  
8. import android.view.ViewGroup;  
9. import android.widget.BaseAdapter;  
10. import android.widget.ImageView;  
11. import android.widget.TextView;  
12.   
13. public class MyAdapter extends BaseAdapter   
14. {   
15.   private Context context;  
16.   private String[] items;  
17.   private int[] icons;  
18.   
19.   public MyAdapter(Context context,String[] items,int[] icons)   
20.   {  
21.     this.context=context;  
22.     this.items=items;  
23.     this.icons=icons;  
24.   }  
25.   
26.   
27.   public int getCount()  
28.   {  
29.     return items.length;  
30.   }  
31.   
32.   
33.   public Object getItem(int arg0)  
34.   {  
35.     return items[arg0];  
36.   }  
37.   
38.   public long getItemId(int position)  
39.   {  
40.     return position;  
41.   }  
42.   
43.   
44.   public View getView(int position, View convertView, ViewGroup parent)  
45.   {  
46.     LayoutInflater factory = LayoutInflater.from(context);  
47.     View v = (View) factory.inflate(R.layout.item, null);//绑定自定义的layout  
48.     ImageView iv = (ImageView) v.findViewById(R.id.icon);  
49.     TextView tv = (TextView) v.findViewById(R.id.text);  
50.     iv.setImageResource(icons[position]);  
51.     tv.setText(items[position]);  
52.     return v;  
53.   }  
54.   
55.    
56. }  

package com.jefry.service;import com.jefry.activity.R;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;public class MyAdapter extends BaseAdapter {   private Context context;  private String[] items;  private int[] icons;  public MyAdapter(Context context,String[] items,int[] icons)   {    this.context=context;    this.items=items;    this.icons=icons;  }  public int getCount()  {    return items.length;  }  public Object getItem(int arg0)  {    return items[arg0];  }  public long getItemId(int position)  {    return position;  }  public View getView(int position, View convertView, ViewGroup parent)  {    LayoutInflater factory = LayoutInflater.from(context);    View v = (View) factory.inflate(R.layout.item, null);//绑定自定义的layout    ImageView iv = (ImageView) v.findViewById(R.id.icon);    TextView tv = (TextView) v.findViewById(R.id.text);    iv.setImageResource(icons[position]);    tv.setText(items[position]);    return v;  } }

源码下载：http://download.csdn.net/detail/jefry_xdz/4525477