button代替spinner使用

package com.example.button_spinnertest;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.Context;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.BaseAdapter;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity {

privateTextView spinnerBtn;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

spinnerBtn=(TextView) findViewById(R.id.spinnerBtn);

spinnerBtn.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

actionAlertDialog();

}

});

}

protected void actionAlertDialog(){

AlertDialog.Builder builder;

final AlertDialog alertDialog;

LayoutInflater inflater = (LayoutInflater) getApplicationContext().getSystemService(LAYOUT_INFLATER_SERVICE);

View layout = inflater.inflate(R.layout.listview, (ViewGroup)findViewById(R.id.layout_myview));

ListView myListView = (ListView) layout.findViewById(R.id.mylistview);

MyAdapter adapter = new MyAdapter(MainActivity.this);

myListView.setAdapter(adapter);

builder = new AlertDialog.Builder(MainActivity.this);

builder.setView(layout);

alertDialog = builder.create();

alertDialog.show();

myListView.setOnItemClickListener(new OnItemClickListener() {

@Override

public void onItemClick(AdapterView<?> arg0, View view, int position,

long arg3) {

// TODO Auto-generated method stub

int temp=(Integer) arg0.getItemAtPosition(position);

System.out.println(temp+"=====================temp");

Toast.makeText(getApplicationContext(), "SB "+temp+" 号", Toast.LENGTH_SHORT).show();

alertDialog.dismiss();

}

});

}

class MyAdapter extends BaseAdapter {

intsum[]={1,2,3,4,5};

Context context;

private LayoutInflater inflater;

public MyAdapter(Context context){

this.context = context;

inflater = LayoutInflater.from(context);

}

@Override

public Object getItem(int position) {

// TODO Auto-generated method stub

return sum[position];

}

@Override

public int getCount() {

return sum.length;

}

@Override

public long getItemId(int position) {

return position;

}

@Override

public View getView(final int position, View convertView, ViewGroup parent) {

Holder holder;

if(convertView==null){

holder = new Holder();

convertView = inflater.inflate(R.layout.item, null);

holder.name = (TextView) convertView.findViewById(R.id.item_name);

convertView.setTag(holder);

}else{

holder = (Holder) convertView.getTag();

}

holder.name.setText(sum[position]+"");

return convertView;

}

public class Holder{

TextView name;

}

}

}