第六次作业

<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.homework6.MainActivity" >
 <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        >
    </ListView>

</RelativeLayout>

package com.example.homework6;

import android.support.v7.app.ActionBarActivity;

import java.util.List;

import android.media.Image;
import android.os.Bundle;
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;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {
    private String[] name = { "京东商城", "QQ", "QQ斗地主", "新浪微博", "天猫", "UC浏览器","微信" };
    private int[] picture= { R.drawable.jingdong, R.drawable.qq,R.drawable.doudizhu, R.drawable.weibo,
            R.drawable.tianmao,R.drawable.liulanqi,R.drawable.weixin};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ListView lv = (ListView) findViewById(R.id.listView1);
        Myadapter myadapter= new Myadapter();
        lv.setAdapter(myadapter);
    }
    class Myadapter extends BaseAdapter{

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return name.length;
        }

        @Override
        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return name[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
            View view=View.inflate(MainActivity.this, R.layout.list_item, null);
            TextView tv=(TextView)view.findViewById(R.id.name);
            ImageView iv=(ImageView)view.findViewById(R.id. iv);
            tv.setText(name[position]);
            iv.setBackgroundResource(picture[position]);        
            return view;
        }
        
    }

        

}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp">
    <ImageView
        android:id="@+id/iv"
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:layout_alignParentLeft="true"
        />
    <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:layout_toRightOf="@+id/iv"
        android:layout_centerVertical="true"
       >
        <TextView
            android:id="@+id/name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"      
            android:textSize="20sp" 
            android:textColor="#000"  
            
            />
        
    </RelativeLayout>
</RelativeLayout>