S's Journal

AutoComplete TextView可以達到簡易完成text的功能，常用在輔助搜尋，例如:字典程式或是搜尋引擎。

小試身手小範例：

本範例宣告一個Taiwan字串陣列，而內容為各縣市的英文名稱，在搜尋時如果輸入Ta時就會自動搜尋到在Taiwan這個陣列中符合Ta開頭的字串。

TextExam01.java

import android.app.Activity;

import android.os.Bundle;

import android.widget.ArrayAdapter;

import android.widget.AutoCompleteTextView;

publicclass TestExam001 extends Activity {

    /** Called when the activity is first created. */

    @Override

    publicvoid onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line, Taiwan);

        AutoCompleteTextView TaiwanCity = (AutoCompleteTextView)findViewById(R.id.city);

        TaiwanCity.setAdapter(adapter);

    }

    privatestaticfinal String[] Taiwan = new String[]{

    "keelung", "Taipei", "Taoyuan", "Hsinchu", "Hualien", "Taitung", "Yilan", "Pingtung", "Kaohsiung", "Tainan", "Chiayi", "Yunlin", "Nantou", "Taichung", "Changhua", "Miaoli"

    };

}

main.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"

    >

<TextView

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text="where are your from?"

    android:textSize="20sp"

/>

<AutoCompleteTextView

    android:id="@+id/city"

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text=""

    />

</LinearLayout>