android 书架菜单,android 书架效果实现

list_item.xml

<?xml version="1.0" encoding="utf-8"?>

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:background="@drawable/bookshelfcell"

android:orientation="horizontal" >

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_weight="1"

android:gravity="center_horizontal" >

android:id="@+id/iv1"

android:layout_width="80dip"

android:layout_height="110dip"

android:layout_marginTop="15dip"

/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_weight="1"

android:gravity="center_horizontal" >

android:id="@+id/iv2"

android:layout_width="80dip"

android:layout_height="110dip"

android:layout_marginTop="15dip"

/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_weight="1"

android:gravity="center_horizontal" >

android:id="@+id/iv3"

android:layout_width="80dip"

android:layout_height="110dip"

android:layout_marginTop="15dip"

/>

main.xml

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

android:background="@drawable/navbar2"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="在线书城"

android:gravity="center"

/>

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:background="@drawable/sharebg"

>

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:scrollbars="none"

android:divider="#00000000"

android:cacheColorHint="#00000000"

android:id="@+id/lv"

>

view 实现类

package my.hh.lin; import java.util.ArrayList; import java.util.HashMap; import android.app.Activity; import android.content.Context; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.View.OnClickListener; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; public class TestbookActivity extends Activity {     /** Called when the activity is first created. */ ListView lv;     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);         lv = (ListView) findViewById(R.id.lv);         lv.setAdapter(new ListAdapter(this));     }     class ListAdapter extends BaseAdapter{ private LayoutInflater inflater; ArrayList> list  = new ArrayList> (); Resources res=getResources(); public ListAdapter(Context c) { // TODO Auto-generated constructor stub inflater = LayoutInflater.from(c); for(int i = 0;i < 5;i++) { HashMap map = new HashMap(); map.put("iv1"+i, BitmapFactory.decodeResource(res, R.drawable.book1)); map.put("iv2"+i, BitmapFactory.decodeResource(res, R.drawable.book2)); map.put("iv3"+i,BitmapFactory.decodeResource(res, R.drawable.book3)); list.add(map); } } @Override public int getCount() { // TODO Auto-generated method stub return list.size(); } @Override public Object getItem(int position) { // TODO Auto-generated method stub return list.get(position); } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(final int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub final viewHolder myHolder ; if(convertView == null){ myHolder = new viewHolder(); convertView = inflater.inflate(R.layout.list_item, null); myHolder.iv1 = (ImageView) convertView.findViewById(R.id.iv1); myHolder.iv2 = (ImageView) convertView.findViewById(R.id.iv2); myHolder.iv3 = (ImageView) convertView.findViewById(R.id.iv3); myHolder.iv1.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Toast.makeText(v.getContext(), ""+position, Toast.LENGTH_SHORT).show(); } }); convertView.setTag(myHolder); } else { myHolder=(viewHolder)convertView.getTag(); } myHolder.iv1.setImageBitmap((Bitmap) list.get(position).get("iv1"+position)); myHolder.iv2.setImageBitmap((Bitmap) list.get(position).get("iv2"+position)); myHolder.iv3.setImageBitmap((Bitmap) list.get(position).get("iv3"+position)); return convertView; }     } }