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=".MainActivity" >
  
    <ListView
            android:id="@+id/iv"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:listSelector="#fefefefe"
            android:scrollbars="none"
           />
</RelativeLayout>
<?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/Iv"
        android:layout_width="70dp"
        android:layout_height="70dp"
        />
     <TextView 
         android:id="@+id/tv"
         android:layout_width="match_parent"
         android:layout_height="70dp"
         android:layout_marginLeft="10dp"
         android:gravity="center_vertical"
         android:textSize="25dp"
        />

     
</LinearLayout>
package com.example.project;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
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 {
    private ListView mListView;
    private String[] Iv = {"京东商城","QQ","QQ斗地主","新浪微博","天猫商城","UC浏览器","微信"};
    private int[] icons = {R.drawable.jd,R.drawable.qq,R.drawable.ddz,R.drawable.wb,R.drawable.tm,R.drawable.uc,R.drawable.wx};
    

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mListView =(ListView) findViewById(R.id.iv);
        MyBaseAdapter mAdapter =new MyBaseAdapter();
        mListView.setAdapter(mAdapter);
    }
    class  MyBaseAdapter extends  BaseAdapter{
        public  int getCount(){
            return Iv.length;
        }
        public  Object getItem(int posision){
            return Iv[posision];
        }
        public long getItemId(int position){
            return position;
        }
        @Override
        public View getView(int arg0, View arg1, ViewGroup arg2) {
            // TODO Auto-generated method stub
            return null;
        }
    }
    public View getView(int position, View converView, ViewGroup parent) {
        View view =View.inflate(MainActivity.this,R.layout.list_item,null);
        TextView title =(TextView) view.findViewById((R.id.tv));
        title.setText(Iv[position]);
        ImageView lv=(ImageView)view.findViewById(R.id.Iv);
        lv.setBackgroundResource(icons[position]);
        return view;

    }
    
}

原文地址:https://www.cnblogs.com/rongrui/p/11645085.html