第六次作业 ！

 

 

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="40dp"
        android:layout_height="40dp"
        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:textSize="25sp"
            android:textColor="#000000" />
        
    RelativeLayout>
RelativeLayout>

    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.listview.MainActivity" >

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true" >
    

package com.example.My Application2222;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
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[] title = { "京东商城", "QQ", "QQ斗地主", "新浪微博", "天猫", "UC浏览器", "微信" };
    private int[] icons = { R.drawable.jingdong, R.drawable.qq, R.drawable.doudizhu, R.drawable.weibo,
            R.drawable.tianmao, R.drawable.uc, R.drawable.weixin };

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ListView lv = (ListView) findViewById(R.id.listView1);
        // 创建adapter对象
        MyBaseAdapter md = new MyBaseAdapter();
        // Listview绑定adapter
        lv.setAdapter(md);
    }

    class MyBaseAdapter extends BaseAdapter {

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

        @Override
        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return title[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 tv1 = (TextView) view.findViewById(R.id.title);
            ImageView iv1 = (ImageView) view.findViewById(R.id.iv);
            tv1.setText(title[position]);
            iv1.setBackgroundResource(icons[position]);
            return view;
        }

    }

}