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使用AutoCompleteTextView實(shí)現(xiàn)自動(dòng)提示功能實(shí):
1、提示的數(shù)據(jù)放入ArrayAdapter中,
2、AutoCompleteTextView的setAdapter()設(shè)置適配器
布局文件:activity_main.xml
<LinearLayout 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" android:orientation="vertical" tools:context=".MainActivity" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="AutoCompleteTextView自動(dòng)提示演示:" > </TextView> <AutoCompleteTextView android:id="@+id/AutoCompleteTextView01" android:layout_width="fill_parent" android:layout_height="wrap_content" android:hint="請(qǐng)輸入省份" > </AutoCompleteTextView> </LinearLayout>
strings.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <string name="app_name">AndroidTest</string> <string name="action_settings">Settings</string> <string-array name="province"> <item>山東</item> <item>江蘇</item> <item>安徽</item> <item>浙江</item> <item>福建</item> <item>上海</item> <item>廣東</item> <item>廣西</item> <item>海南</item> <item>湖北</item> <item>湖南</item> <item>河南</item> <item>江西</item> <item>北京</item> <item>天津</item> <item>河北</item> <item>山西</item> <item>內(nèi)蒙古</item> <item>寧夏</item> <item>新疆</item> <item>青海</item> <item>陜西</item> <item>甘肅</item> <item>四川</item> <item>云南</item> <item>貴州</item> <item>西藏</item> <item>重慶</item> <item>遼寧</item> <item>吉林</item> <item>黑龍江</item> <item>臺(tái)灣</item> <item>香港</item> <item>澳門</item> </string-array> </resources>
MainActivity.java
package com.example.test; import android.R.string; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; import android.widget.Spinner; import android.widget.Toast; public class MainActivity extends Activity implements OnItemSelectedListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 定義數(shù)組 String[] province = getResources().getStringArray(R.array.province); // 定義數(shù)組適配器 ArrayAdapter adapter2 = new ArrayAdapter(this, android.R.layout.simple_dropdown_item_1line, province); // 找到自動(dòng)完成組件 AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.AutoCompleteTextView01); // 為其設(shè)置適配器 textView.setAdapter(adapter2); //設(shè)置AutoCompleteTextView輸入1個(gè)字符就進(jìn)行提示 textView.setThreshold(1); } @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub } @Override public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } }
效果圖:
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