分享一下我老师大神的人工智能教程！零基础，通俗易懂！http://blog.csdn.net/jiangjunshow
也欢迎大家转载本篇文章。分享知识，造福人民，实现我们中华民族伟大复兴！
ListView是Android开发中最常用到的控件之一，所以学习ListView显得非常重要，在本文中，作者继承了BaseAdapter实现了自己的Adapter，在其中实现相应的方法，包括添加，删除，清空list。
除此之外，作者实现了listview的两个方法，即当用户选择某一项和用户点击某一项发生的相关事件，下图即为此程序的截图：
一下是具体的实现源代码：
public class ListView_Activity extends Activity { private Button button1; private Button button2; private Button button3; private ListView listView; private String[] data={"二次曝光","十二生肖","血滴子","大上海","人在囧途","泰囧","新少林寺","大魔术师","哆啦a梦"}; MyAdapter myAdapter =new MyAdapter(ListView_Activity.this); private static int counter=0; private TextView textView; private TextView textView2; private TextView textView3; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_list_view_); listView=(ListView)findViewById(R.id.listview); listView.setAdapter(myAdapter); button1=(Button)findViewById(R.id.buttonadd); button2=(Button)findViewById(R.id.buttondelete); button3=(Button)findViewById(R.id.buttonclear); button1.setOnClickListener(new MyButton()); button2.setOnClickListener(new MyButton()); button3.setOnClickListener(new MyButton()); textView=(TextView)findViewById(R.id.textview); textView2=(TextView)findViewById(R.id.textviewselect); textView3=(TextView)findViewById(R.id.textviewclick); listView.setOnItemSelectedListener(new ListView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub //由于是键盘向下键选择某一个View，所以焦点聚焦到那一个View，所以采用此方法返回结果 textView2.setText(arg0.getSelectedItem().toString()); } @Override public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } }); listView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub //由于这是用户的点击事件，所以由此可以确定点击的那个位置（arg2），所以采用此方法返回结果 textView3.setText(data[arg2]); } }); } class MyButton implements OnClickListener{ @Override public void onClick(View view) { // TODO Auto-generated method stub switch (view.getId()) { case R.id.buttonadd: if(counter<data.length){ myAdapter.addText(data[counter]); } textView.setText(counter+""); break; case R.id.buttondelete: myAdapter.remove(--counter); textView.setText(counter+""); break; case R.id.buttonclear: myAdapter.removeAll(); textView.setText(counter+""); break; default: break; } } } class MyAdapter extends BaseAdapter{ private Context context; private List<String> textList=new ArrayList<String>(); public MyAdapter(Context context) { this.context=context; } @Override public int getCount() { // TODO Auto-generated method stub return textList.size(); } @Override public Object getItem(int arg0) { // TODO Auto-generated method stub return textList.get(arg0); } @Override public long getItemId(int arg0) { // TODO Auto-generated method stub return arg0; } @Override public View getView(int arg0, View arg1, ViewGroup arg2) { // TODO Auto-generated method stub String inflater=Context.LAYOUT_INFLATER_SERVICE; LayoutInflater layoutInflater=(LayoutInflater)context.getSystemService(inflater); LinearLayout linearLayout=null; linearLayout=(LinearLayout)layoutInflater.inflate(R.layout.text2,null); TextView textView=(TextView)linearLayout.findViewById(R.id.text); textView.setText(String.valueOf(textList.get(arg0))); return linearLayout; } public void addText(String text){ if (counter<=data.length-1) { textList.add(text); counter++; } else { Toast.makeText(ListView_Activity.this, "列表中已经显示了所有的项目！！！", Toast.LENGTH_LONG).show(); } notifyDataSetChanged(); } public void remove(int index) { if(index<0){ Toast.makeText(ListView_Activity.this, "列表中并没有结果!!!", Toast.LENGTH_LONG).show(); counter=0; return; } else { textList.remove(index); } notifyDataSetChanged(); } public void removeAll(){ textList.clear(); counter=0; notifyDataSetChanged(); } }}给我老师的人工智能教程打call！http://blog.csdn.net/jiangjunshow
