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 plain copy print ?

packagecom.jefry.activity;
importcom.jefry.service.MyAdapter;
importandroid.app.Activity;
importandroid.os.Bundle;
importandroid.widget.GridView;
importandroid.widget.ImageView;
importandroid.widget.SlidingDrawer;
publicclassSlidingdrawerActivityextendsActivity{
privateGridViewgridview;
privateSlidingDrawerslidingdrawer;
privateImageViewimageview;
privateint[]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};
privateString[]items={"jefry1","jefry2","jefry3","jefry4","jefry5","jefry6","jefry7","jefry8","jefry9"};
/**Calledwhentheactivityisfirstcreated.*/
@Override
publicvoidonCreate(BundlesavedInstanceState){
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);
MyAdapteradapter=newMyAdapter(this,items,icons);
gridview.setAdapter(adapter);
slidingdrawer.setOnDrawerOpenListener(newSlidingDrawer.OnDrawerOpenListener()
{
publicvoidonDrawerOpened()
{
imageview.setImageResource(R.drawable.draw_down);
}
});
slidingdrawer.setOnDrawerCloseListener(newSlidingDrawer.OnDrawerCloseListener()
{
publicvoidonDrawerClosed()
{
imageview.setImageResource(R.drawable.draw_up);
}
});
}
}

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 plain copy print ?

packagecom.jefry.service;
importcom.jefry.activity.R;
importandroid.content.Context;
importandroid.view.LayoutInflater;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.widget.BaseAdapter;
importandroid.widget.ImageView;
importandroid.widget.TextView;
publicclassMyAdapterextendsBaseAdapter
{
privateContextcontext;
privateString[]items;
privateint[]icons;
publicMyAdapter(Contextcontext,String[]items,int[]icons)
{
this.context=context;
this.items=items;
this.icons=icons;
}
publicintgetCount()
{
returnitems.length;
}
publicObjectgetItem(intarg0)
{
returnitems[arg0];
}
publiclonggetItemId(intposition)
{
returnposition;
}
publicViewgetView(intposition,ViewconvertView,ViewGroupparent)
{
LayoutInflaterfactory=LayoutInflater.from(context);
Viewv=(View)factory.inflate(R.layout.item,null);//绑定自定义的layout
ImageViewiv=(ImageView)v.findViewById(R.id.icon);
TextViewtv=(TextView)v.findViewById(R.id.text);
iv.setImageResource(icons[position]);
tv.setText(items[position]);
returnv;
}
}

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

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