自動搜尋 AutoCompleteTextView ~ 搭配Contacts

 User在欄位中key入 中/英 文字會從資料中搜尋相似的名單, 但

 1. 必須從第一個字開始比對, 有第一個字相同的才算數

 2. 至少要key入兩個 中/英 文字, AutoCompleteTextView才會列出搜尋結果

 本範例用Contacts(聯絡人)作為資料來源, 必須要在AndroidManifest.xml中加入讀取的權限, 否則會crash喔！

 

Auto_ContactActivity.java

package com.tsots.AutoCompleteTextView_Contact;

import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.TextView;

public class Auto_ContactActivity extends Activity 
{
 List contact_id= new ArrayList();
 List contact_name= new ArrayList();
 AutoCompleteTextView autoCompleteTextView;
 EditText edittext;
 TextView textview1;
 TextView textview2;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        autoCompleteTextView = (AutoCompleteTextView) findViewById (R.id.AutoCompleteTextView1);
        /*
         *  在layout中並沒有真的加入EditText元件, 而是與autoCompleteTextView共用
         *  目的是用EditText.getText().toString()取得user選到的值
         *  當然, 在onItemClick()內寫arg0.getItemAtPosition(arg2).toString()也有一樣的效果 
         */
        edittext = (EditText) findViewById (R.id.AutoCompleteTextView1);
        textview1 = (TextView) findViewById (R.id.TextView1);
        textview2 = (TextView) findViewById (R.id.TextView2);
  /*
   * 獲得所有的聯絡人資料
   * public final Cursor query (
   *         Uri uri, 
   *         String[] projection, 
   *         String selection, 
   *         String[] selectionArgs, 
   *         String sortOrder
   *         )
   */
  final Cursor cur_name = getContentResolver().query(
               ContactsContract.Contacts.CONTENT_URI,
               null,
               null,
               null,
               ContactsContract.Contacts.DISPLAY_NAME
                );

        try
        {
         if (cur_name.moveToFirst()) 
         {                 
          int idColumn = cur_name.getColumnIndex(ContactsContract.Contacts._ID);
          int nameColumn = cur_name.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);

          do
          {                                  
           try
           {
            //逐一將Contacts的ID和NAME蒐集起來
            contact_id.add(String.valueOf(cur_name.getString(idColumn)));
                  contact_name.add(String.valueOf(cur_name.getString(nameColumn)));
              }
                 catch(Exception e)
                 {
                   
                 }
             }while(cur_name.moveToNext());          
         }
         cur_name.close();
         
         System.out.println("contact_id.size() = "+contact_id.size());
         System.out.println("contact_name.size() = "+contact_name.size());

         ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_dropdown_item_1line, contact_name);       
         autoCompleteTextView.setAdapter(adapter);

         /*
          * 為AutoCompleteTextView提供的(下拉式)選單清單添加點擊事件
          * 帶出info: 電話
          */
         autoCompleteTextView.setOnItemClickListener(new OnItemClickListener()
         {
    public void onItemClick(AdapterView arg0, View arg1, int arg2, long arg3) 
    {     
           for(int order=0; order<取得聯絡人的電話號碼>
              * 若Phone ID == Contacts ID
              */
             Cursor phones = getContentResolver().query
             (
        ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
        null,
        ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = " + contactId, 
        null, 
        null
       );
             
             if (phones.moveToFirst()) 
             {
              String phoneNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
              String phoneType = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE));
              if(phoneType.equals("1"))
              {
               textview1.setText("住家電話：");
              }
              else if(phoneType.equals("2"))
              {
               textview1.setText("行動電話：");
              }
              else if(phoneType.equals("3"))
              {
               textview1.setText("公司電話：");
              }
              else
              {
               textview1.setText("其它：");
              }
              textview2.setText(phoneNumber);
             }
            }
           }    
    }
   });
        }        
        finally
        {
         cur_name.close();
        }
 }
}