ch012 Android Spinner与AutocompletionTextView

--------------------------------------------Layout activity_main.xml--------------------------

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/LinearLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

 

    <TextView

        android:id="@+id/view_city"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="@string/hello_world" />

 

    <Spinner

        android:id="@+id/spinner"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content" />

 

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="1"

        android:background="#000000" />

 

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="请输入:" android:padding="10dp"/>

 

    <AutoCompleteTextView

        android:id="@+id/autoComplete"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content" />

 

</LinearLayout>

--------------------------------------------MainActivity.java-----------------------------------

package com.ch12;

 

import java.util.ArrayList;

import java.util.List;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.AutoCompleteTextView;

import android.widget.Spinner;

import android.widget.TextView;

 

/**

 * 

 * 项目名称：com.ch12    

 * 类名称：MainActivity    

 * 类描述：Spinner、AutocompletionTextView

 * 创建人：方勇   

 * 创建时间：2012-11-19 下午11:45:04   

 * Copyright (c) 方勇-版权所有

 */

public class MainActivity extends Activity {

 

/* 显示所选城市 */

private TextView view_city;

/* 城市下拉列表 */

private Spinner spinner;

/* 自动提示 */

private AutoCompleteTextView autoCompleteTextView;

 

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

findViews();

setListeners();

init();

}

 

/* 初始化UI */

private void findViews() {

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

spinner = (Spinner) findViewById(R.id.spinner);

autoCompleteTextView = (AutoCompleteTextView) findViewById(R.id.autoComplete);

}

 

/* 设置监听器 */

private void setListeners() {

spinner.setOnItemSelectedListener(new MyOnItemSelectedListener());

}

 

/* 初始化对象，设置数据 */

private void init() {

spinner.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_checked, getData()));

autoCompleteTextView

.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_checked, getData()));

}

 

/* 自定义选择事件类 */

class MyOnItemSelectedListener implements Spinner.OnItemSelectedListener {

 

@Override

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

view_city.setText(parent.getItemAtPosition(position).toString());

}

 

@Override

public void onNothingSelected(AdapterView<?> parent) {

 

}

 

};

 

/* 设置数据集合 */

private List<String> getData() {

List<String> list = new ArrayList<String>();

for (int i = 0; i < 10; i++) {

list.add("fy_" + i);

}

return list;

 

}

}

--------------------------------------------效果图-----------------------------------------------

 

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