Use of Android Aoutcompletetextview controls

Aoutcompletetextview

Function:1> dynamically match the input content, such as Baidu search engine when you enter text can be displayed according to the content of popular information matching

2> Unique properties: android:completionthreshold= "2" <!--set how many characters to automatically match

Layout layouts with automatic matching

<relativelayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:tools= "http// Schemas.android.com/tools "android:layout_width=" Match_parent "

android:layout_height= "Match_parent"

Tools:context= ". Mainactivity ">

<autocompletetextview
Android:id= "@+id/autocompletetextview"

Android:layout_width= "Match_parent"

android:layout_height= "Wrap_content"

Android:hint= "Please enter a keyword to query"

Android:completionthreshold= "2" />

Automatic matching of class files

Package Cn.androidstudy.demo;

Import Android.os.Bundle;

Import android.app.Activity;

Import Android.view.Menu;

Import Android.widget.ArrayAdapter;

Import Android.widget.AutoCompleteTextView;

public class Mainactivity extends Activity {

Private Autocompletetextview Actextview;

Private string[] res = {"Shanghai", "Beijing", "tianjing", "Sichuan", "Yibin", "Sichuanjianzhuzhiyijishuxueyuan"};

@Override protected void OnCreate (Bundle savedinstancestate) {

Super.oncreate (savedinstancestate);

Setcontentview (R.layout.activity_main);

/** * 1. Initialization control: actextview= (Autocompletetextview) * FINDVIEWBYLD (R.id.autocompletetextview)

* 2. Requires an adapter: Arrayadapter * <String> adapeter = new Arrayadapter<string> (this, * Android. R.layout.simple_expandable_list_item_1, RES);

* 3. Initialize the data source---this data source automatically matches the contents of the text box private string[] res = {"Shanghai", "Beijing", * "tianjing", "Sichuan", "Yibin", "Sichuanjian Zhuzhiyijishuxueyuan "};

* 4. Bind Adapeter and Aoutcompletetextview: Actextview.setadapter (Adapeter); *  */

Actextview = (Autocompletetextview) Findviewbyid (R.id.autocompletetextview);

arrayadapter<string> adapeter = new Arrayadapter<string> (this, Android. R.layout.simple_expandable_list_item_1, RES);

Actextview.setadapter (Adapeter); }

@Override public boolean Oncreateoptionsmenu (Menu menu) {

Inflate the menu; This adds items to the action bar if it is present.

Getmenuinflater (). Inflate (R.menu.main, menu); return true;

} }

Use of Android Aoutcompletetextview controls