package com.example.demo_listview;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.widget.ArrayAdapter;

import android.widget.ListView;

import android.widget.SimpleAdapter;

public class MainActivity extends Activity {

private ListView listView;

//private ArrayAdapter<String> arr_adapter;

private SimpleAdapter sim_adapter;

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

? ? @Override

? ? protected void onCreate(Bundle savedInstanceState) {

? ? ? ? super.onCreate(savedInstanceState);

? ? ? ? setContentView(R.layout.activity_main);

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

? ? ? ? datalist=new ArrayList<Map<String,Object>>();//實例化數據源

? ? ? ? sim_adapter=new SimpleAdapter(this, getData(),R.layout.sim_item, new String[]{"pic","text"}, new int[]{R.id.imageview,R.id.textview});

? ? ? ? //String[] arr_data={"慕課1","慕課2","慕課3","慕課4"};

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

? ? ? ? //listView.setAdapter(arr_adapter);

? ? ? ? listView.setAdapter(sim_adapter);

? ? }

? ? @Override

? ? public boolean onCreateOptionsMenu(Menu menu) {

? ? ? ? // Inflate the menu; this adds items to the action bar if it is present.

? ? ? ? getMenuInflater().inflate(R.menu.main, menu);

? ? ? ? return true;

? ? }

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

? ? for(int i=20;i<20;i++)

? ? {

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

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

? ? map.put("text", "imooc"+i);

? ? datalist.add(map);

? ? }

? ? return datalist;

? ? }

? ??

}