package com.abc.listviewtest;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.ScaleGestureDetector.OnScaleGestureListener;

import android.view.View;

import android.widget.AbsListView;

import android.widget.AbsListView.OnScrollListener;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.ArrayAdapter;

import android.widget.ListView;

import android.widget.SimpleAdapter;

import android.widget.Toast;

public class MainActivity extends Activity implements OnItemClickListener,OnScrollListener{

private ListView listView;

private ArrayAdapter<String>arr_adapter;

private SimpleAdapter simp_adapter;

private List<Map<String,Object>>dataList;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

String[]arr_data={"優(yōu)信拍","優(yōu)信拍1","優(yōu)信拍2","優(yōu)信拍3","優(yōu)信拍4","優(yōu)信拍5","優(yōu)信拍6","優(yōu)信拍7",

"優(yōu)信拍8","優(yōu)信拍9","優(yōu)信拍10","優(yōu)信拍11","優(yōu)信拍12"};

dataList=new ArrayList<Map<String,Object>>();

ListView listView=(ListView) findViewById(R.id.listView);

arr_adapter=new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, arr_data);

simp_adapter=new SimpleAdapter(this, getData(), R.layout.item, new String[]{"pic","text"}, new int[]{R.id.pic,R.id.text});

// listView.setAdapter(arr_adapter);

listView.setAdapter(simp_adapter);

listView.setOnItemClickListener(this);

listView.setOnScrollListener(this);

}

private List<Map<String,Object>> getData(){

for (int i=0;i<20;i++){

Map<String,Object>map=new HashMap<String, Object>();

map.put("pic",R.drawable.ic_launcher);

map.put("text","優(yōu)信拍"+i);

dataList.add(map);

}

return dataList;

}

@Override

public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {

// TODO Auto-generated method stub

}

@Override

public void onScrollStateChanged(AbsListView view, int scrollState) {

// TODO Auto-generated method stub

}

@Override

public void onItemClick(AdapterView<?>parent, View view, int position, long id) {

// TODO Auto-generated method stub

String text=listView.getItemAtPosition(position).toString();

Toast.makeText(MainActivity.this,"position="+position+"text="+text, Toast.LENGTH_SHORT).show();

}

}

我的也出錯(cuò)了,看了一下異常,是int轉(zhuǎn)String的時(shí)候出錯(cuò),不得不說(shuō),0基礎(chǔ)學(xué)這個(gè)根本不太可能

我這個(gè)MainActivity繼承了這個(gè)接口，所以這個(gè)實(shí)例lv就是聲明接口吧

沒(méi)有聲明接口？