Android基本组件07（AutoCompleteTextView）

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//ActivityAutoCompleteTextView.javapackage android.ActivityUI;import android.app.Activity;import android.os.Bundle;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;public class ActivityAutoCompleteTextView extends Activity{public void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.auto_complete_text_view);setTitle("AutoCompleteTextView");ArrayAdapter <String> adapter = new ArrayAdapter <String>(this,android.R.layout.simple_dropdown_item_1line,Countries);AutoCompleteTextView textView = (AutoCompleteTextView)findViewById(R.id.auto_complete_text_view);textView.setAdapter(adapter);}static final String[] Countries = new String[] {"China","Russia","Germany","Ukraine","Belarus","USA","China1","China2","Germany","Russia2","Belarus","USA"};}//auto_complete_text_view.xml<?xml version="1.0" encoding="utf-8"?><LinearLayout  xmlns:android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  android:layout_width="fill_parent"  android:layout_height="fill_parent"><AutoCompleteTextView android:layout_height="wrap_content" android:text="AutoCompleteTextView" android:id="@+id/auto_complete_text_view" android:layout_width="fill_parent"></AutoCompleteTextView></LinearLayout>