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 {

private

TextView 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 {

int

sum[]={

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;

}

}

}