zoukankan      html  css  js  c++  java
  • 第六次作业

    <?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="80dp"
            android:layout_height="80dp"
            />
         <TextView 
             android:id="@+id/tv"
             android:layout_width="match_parent"
             android:layout_height="80dp"
             android:layout_marginLeft="10dp"
             android:gravity="center_vertical"
             android:textSize="25dp"
            />
    </LinearLayout>
    package com.example.listviewzy;
    
    
    import java.util.ArrayList;
    
    import android.app.Activity;
    import android.os.Bundle;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.widget.BaseAdapter;
    import android.widget.ListView;
    
    public class MainActivity extends Activity {
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            ListView lv = (ListView) findViewById(R.id.lv);
            ArrayList<String> datas = new ArrayList<String>();
            datas.add("京东商城");
            datas.add("QQ");
            datas.add("QQ斗地主");
            datas.add("新浪微博");
            datas.add("天猫");
            datas.add("UC浏览器");
            datas.add("微信");
            ArrayList<Integer> imgdatas = new ArrayList<Integer>();
            imgdatas.add(R.drawable.a1);
            imgdatas.add(R.drawable.a2);
            imgdatas.add(R.drawable.a3);
            imgdatas.add(R.drawable.a4);
            imgdatas.add(R.drawable.a5);
            imgdatas.add(R.drawable.a6);
            imgdatas.add(R.drawable.a7);
            MyAdapter adapter = new MyAdapter(datas,imgdatas);
            lv.setAdapter(adapter);
        }
        
    }
    package com.example.listviewzy;
    
    import java.util.ArrayList;
    
    import android.util.Log;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.BaseAdapter;
    import android.widget.ImageView;
    import android.widget.TextView;
    
    public class MyAdapter extends BaseAdapter {
     
        private ArrayList<String> mData;
        private ArrayList<Integer> mImgdatas;
        public MyAdapter(ArrayList<String> datas, ArrayList<Integer> imgdatas) {
            // TODO Auto-generated constructor stub
            mData = datas;
            mImgdatas = imgdatas;
        }
        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return mData.size();
        }
    
        @Override
        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return null;
        }
        
        @Override
        public long getItemId(int position) {
            // TODO Auto-generated method stub
            return 0;
        }
        
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            // TODO Auto-generated method stub
            LayoutInflater inflater = LayoutInflater.from(parent.getContext());
            View view  =inflater.inflate(R.layout.lv_asd, null);
            TextView tv = (TextView) view.findViewById(R.id.tv);
            ImageView Iv = (ImageView) view.findViewById(R.id.Iv);
            Iv.setBackgroundResource(mImgdatas.get(position));
            tv.setText(mData.get(position));
            return view;
        }
    
    }
    package com.example.listviewzy;
    
    import java.util.ArrayList;
    
    import android.util.Log;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.BaseAdapter;
    import android.widget.ImageView;
    import android.widget.TextView;
    
    public class MyAdapter extends BaseAdapter {
     
        private ArrayList<String> mData;
        private ArrayList<Integer> mImgdatas;
        public MyAdapter(ArrayList<String> datas, ArrayList<Integer> imgdatas) {
            // TODO Auto-generated constructor stub
            mData = datas;
            mImgdatas = imgdatas;
        }
        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return mData.size();
        }
    
        @Override
        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return null;
        }
        
        @Override
        public long getItemId(int position) {
            // TODO Auto-generated method stub
            return 0;
        }
        
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            // TODO Auto-generated method stub
            LayoutInflater inflater = LayoutInflater.from(parent.getContext());
            View view  =inflater.inflate(R.layout.lv_asd, null);
            TextView tv = (TextView) view.findViewById(R.id.tv);
            ImageView Iv = (ImageView) view.findViewById(R.id.Iv);
            Iv.setBackgroundResource(mImgdatas.get(position));
            tv.setText(mData.get(position));
            return view;
        }
    
    }

  • 相关阅读:
    致命错误: mysql/mysql.h:没有那个文件或目录 解决办法
    [转载]解决/usr/bin/ld: cannot find lxxx 问题
    mysql5.5.25a安装:Installation of system tables failed解决办法
    ubuntu源码编译安装mysql5.5.25a
    ubuntu 11.10 安装配置NFS
    nrpe简单插件编写
    我也学erlang(五)——简单的列表处理
    C语言中自加与自减效率的思考
    DBI connect() failed: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
    std::ostream_iterator用法
  • 原文地址:https://www.cnblogs.com/lj1221/p/11630246.html
Copyright © 2011-2022 走看看