Android基础TOP7_1:ListView制作列表

结构：

Activity:

activity_main:

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

     xmlns:tools="http://schemas.android.com/tools"

     android:layout_width="match_parent"

     android:layout_height="match_parent"

     android:paddingBottom="@dimen/activity_vertical_margin"

     android:paddingLeft="@dimen/activity_horizontal_margin"

     android:paddingRight="@dimen/activity_horizontal_margin"

     android:paddingTop="@dimen/activity_vertical_margin"

     tools:context="com.example.top7_1.MainActivity" >

 <ListView

     android:id="@+id/lv"

     android:layout_width="fill_parent"

     android:layout_height="wrap_content">

 </ListView>

 </RelativeLayout>

mylayout:

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

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

     android:layout_width="match_parent"

     android:layout_height="match_parent"

     android:orientation="horizontal"

         >

     <ImageView

         android:id="@+id/img"

         android:layout_width="50dp"

         android:layout_height="50dp"

         android:src="@drawable/ic_launcher"

         android:layout_margin="10dp"

         />

 <LinearLayout

     android:id="@+id/ll"

     android:layout_height="wrap_content"

     android:layout_width="wrap_content"

     android:orientation="vertical"

     >

     <TextView

         android:id="@+id/bt"

         android:layout_width="fill_parent"

         android:layout_height="wrap_content"

         android:text="标题"

         android:textSize="24dp"

         android:textColor="#7B68EE"

         android:layout_marginLeft="10dp"

         android:layout_marginTop="5dp"        />

      <TextView

         android:id="@+id/nw"

         android:layout_width="fill_parent"

         android:layout_height="wrap_content"

         android:text="内容"

         android:textSize="16dp"

         android:textColor="#DAA520"

         android:layout_marginLeft="10dp"

              />

 </LinearLayout>

 </LinearLayout>

JAVA:

 package com.example.top7_1;

 import android.app.Activity;

 import android.content.Context;

 import android.os.Bundle;

 import android.view.LayoutInflater;

 import android.view.Menu;

 import android.view.MenuItem;

 import android.view.View;

 import android.view.ViewGroup;

 import android.widget.BaseAdapter;

 import android.widget.ImageView;

 import android.widget.ListView;

 import android.widget.TextView;

 public class MainActivity extends Activity {

 ListView lv;

 int[] price=new int[]{,,,};

 int[] resids=new int[]{R.drawable.ic_launcher,R.drawable.ic_launcher

         ,R.drawable.ic_launcher,R.drawable.ic_launcher};

 String[] balls=new String []{"","","",""};

 String[] engNames={"","","",""};

 MyAdapter adapter=null;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         lv=(ListView) findViewById(R.id.lv);

     adapter=new MyAdapter(this);

     lv.setAdapter(adapter);

     }

     public class MyAdapter extends BaseAdapter{

         private LayoutInflater lif;

         public MyAdapter(Context c) {

             // TODO Auto-generated constructor stub

          lif=LayoutInflater.from(c);

         }

         @Override

         public int getCount() {

             // TODO Auto-generated method stub

             return balls.length;

         }

         @Override

         public Object getItem(int position) {

             // TODO Auto-generated method stub

             return balls[position];

         }

         @Override

         public long getItemId(int position) {

             // TODO Auto-generated method stub

             return position;

         }

         @Override

         public View getView(int position, View convertView, ViewGroup parent) {

             // TODO Auto-generated method stub

             convertView=lif.inflate(R.layout.mylayout,null);

             ImageView ImgLogo=(ImageView) convertView.findViewById(R.id.img);

             TextView textName=(TextView) convertView.findViewById(R.id.bt);

             TextView textengName=(TextView) convertView.findViewById(R.id.nw);

             ImgLogo.setImageResource(resids[position]);

             textName.setText(balls[position]);

             textengName.setText(engNames[position]);

             return convertView;

         }

     }

 }