第六次作业

package com.example.iop;

import android.support.v7.app.ActionBarActivity;
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;

public class MainActivity extends ActionBarActivity {

    private String[] t = { "京东商城", "QQ", "QQ斗地主", "新浪微博", "天猫", "UC游览器","微信"};
    
    private int[] i = { R.drawable.jd, R.drawable.qq,
            R.drawable.ddz, R.drawable.wb, R.drawable.tm,
            R.drawable.uc,R.drawable.wx };

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ListView lv = (ListView) findViewById(R.id.listView1);
    
        Myadapter md = new Myadapter();
        
        lv.setAdapter(md);
    }

    class Myadapter extends BaseAdapter {

        @Override
        public int getCount() {
        
            return t.length;
        }

        @Override
        public Object getItem(int position) {
        
            return t[position];
        }

        @Override
        public long getItemId(int position) {
        
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
    
            View view=View.inflate(MainActivity.this, R.layout.list_item, null);
            TextView tv1=(TextView)view.findViewById(R.id.title);
            ImageView iv=(ImageView)view.findViewById(R.id.iv);
            
            tv1.setText(t[position]);
            iv.setBackgroundResource(i[position]);
            
            return view;
        }

    }

}

<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.iop.MainActivity" >

  
    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="37dp" >
    </ListView>

</RelativeLayout>

<?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="30dp"
        android:layout_centerVertical="true"/>
    <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp"
        android:layout_toRightOf="@+id/iv"
        android:layout_centerVertical="true">
        <TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="京东商城"
            android:textSize="15sp"
            android:textColor="#000000" />
   
    </RelativeLayout>
</RelativeLayout>