android之autoCompleteTextView

activity

package com.ghg.autoCompleteTextView;import android.app.Activity;import android.os.Bundle;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;/** * 每次只能输入一个省，每次输入两个字符才显示可选的省份选项， * @author gaohong */public class Day0605_AutoCompleteTextViewActivity extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        initView();    }    private String[] arr=new String[]{"henan","hebei","shanxin","shandong"};    AutoCompleteTextView aTextView;private void initView() {// TODO Auto-generated method stubaTextView=(AutoCompleteTextView) findViewById(R.id.actv);ArrayAdapter<String> adapter=new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line, arr);aTextView.setAdapter(adapter);}}

main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:orientation="horizontal" ><TextView    android:layout_width="wrap_content"   android:layout_height="64dp"   android:text="省份"   android:textSize="20sp"    /><AutoCompleteTextView     android:id="@+id/actv"    android:layout_width="0dp"    android:layout_height="64dp"    android:layout_weight="1.0"    /></LinearLayout>

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