如何從android中的列表中搜索名稱？

Question

嗨，我已經做了一個Android應用程序，我加載了所有的通訊錄聯繫人在列表中，並在它上面我放置了一個edittext，如果我輸入任何字母表，那麼它應該給我所有與列表中的字母表有關的值，我有嘗試如下，但它不工作

我的代碼如下：

AutocompliteMain.java

package com.example.autocomplite; 

import java.util.ArrayList; 
import android.app.Activity; 
import android.content.ContentResolver; 
import android.content.Intent; 
import android.database.Cursor; 
import android.net.Uri; 
import android.os.Bundle; 
import android.provider.ContactsContract; 
import android.provider.ContactsContract.Contacts; 
import android.util.Log; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.inputmethod.InputMethodManager; 
import android.widget.AdapterView; 
import android.widget.ArrayAdapter; 
import android.widget.AutoCompleteTextView; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.Toast; 
import android.widget.AdapterView.OnItemClickListener; 
import android.widget.AdapterView.OnItemSelectedListener; 

public class AutocompleteMain extends Activity implements OnItemClickListener, 
     OnItemSelectedListener { 

    // Initialize variables 

    int PICK_CONTACT = 1200; 
    AutoCompleteTextView textView = null; 
    private ArrayAdapter<String> adapter; 

    // Store contacts values in these arraylist 
    public static ArrayList<String> phoneValueArr = new ArrayList<String>(); 
    public static ArrayList<String> nameValueArr = new ArrayList<String>(); 

    EditText toNumber = null; 
    String toNumberValue = ""; 

    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle bundle) { 
     super.onCreate(bundle); 

     setContentView(R.layout.autocomplete_main); 

     final Button Send = (Button) findViewById(R.id.Send); 

     // Initialize AutoCompleteTextView values 

     textView = (AutoCompleteTextView) findViewById(R.id.toNumber); 

     // Create adapter 
     adapter = new ArrayAdapter<String>(this, 
       android.R.layout.simple_dropdown_item_1line, 
       new ArrayList<String>()); 
     textView.setThreshold(1); 

     // Set adapter to AutoCompleteTextView 
     textView.setAdapter(adapter); 
     textView.setOnItemClickListener(this); 

     // Read contact data and add data to ArrayAdapter 
     // ArrayAdapter used by AutoCompleteTextView 

     readContactData(); 

     /********** Button Click pass textView object ***********/ 
     Send.setOnClickListener(BtnAction(textView)); 

    } 

    private OnClickListener BtnAction(final AutoCompleteTextView toNumber) { 
     return new OnClickListener() { 

      public void onClick(View v) { 

       String NameSel = ""; 
       NameSel = toNumber.getText().toString(); 

       final String ToNumber = toNumberValue; 

       if (ToNumber.length() == 0) { 
        Toast.makeText(getBaseContext(), 
          "Please fill phone number", Toast.LENGTH_SHORT) 
          .show(); 
       } else { 

        /* 
        * Toast.makeText(getBaseContext(), 
        * NameSel+" : "+toNumberValue, Toast.LENGTH_LONG).show(); 
        */ 
       } 

      } 
     }; 
    } 

    // Read phone contact name and phone numbers 

    private void readContactData() { 

     try { 

      /*********** Reading Contacts Name And Number **********/ 

      String phoneNumber = ""; 
      ContentResolver cr = getBaseContext().getContentResolver(); 

      // Query to get contact name 

      Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null, 
        null, null, null); 

      // If data data found in contacts 
      if (cur.getCount() > 0) { 

       Log.i("AutocompleteContacts", "Reading contacts........"); 

       int k = 0; 
       String name = ""; 

       while (cur.moveToNext()) { 

        String id = cur.getString(cur 
          .getColumnIndex(ContactsContract.Contacts._ID)); 
        name = cur 
          .getString(cur 
            .getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)); 

        // Check contact have phone number 
        if (Integer 
          .parseInt(cur.getString(cur 
            .getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) { 

         // Create query to get phone number by contact id 
         Cursor pCur = cr 
           .query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
             null, 
             ContactsContract.CommonDataKinds.Phone.CONTACT_ID 
               + " = ?", new String[] { id }, 
             null); 
         int j = 0; 

         while (pCur.moveToNext()) { 
          // Sometimes get multiple data 
          if (j == 0) { 
           // Get Phone number 
           phoneNumber = "" 
             + pCur.getString(pCur 
               .getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)); 

           // Add contacts names to adapter 
           adapter.add(name); 

           // Add ArrayList names to adapter 
           phoneValueArr.add(phoneNumber.toString()); 
           nameValueArr.add(name.toString()); 

           j++; 
           k++; 
          } 
         } // End while loop 
         pCur.close(); 
        } // End if 

       } // End while loop 

      } // End Cursor value check 
      cur.close(); 

     } catch (Exception e) { 
      Log.i("AutocompleteContacts", "Exception : " + e); 
     } 

    } 

    @Override 
    public void onItemSelected(AdapterView<?> arg0, View arg1, int position, 
      long arg3) { 
     // TODO Auto-generated method stub 
     Log.d("AutocompleteContacts", "onItemSelected() position " + position); 

    } 

    @Override 
    public void onNothingSelected(AdapterView<?> arg0) { 
     // TODO Auto-generated method stub 

     InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE); 
     imm.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0); 

    } 

    @Override 
    public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { 
     // TODO Auto-generated method stub 

     // Get Array index value for selected name 
     int i = nameValueArr.indexOf("" + arg0.getItemAtPosition(arg2)); 

     // If name exist in name ArrayList 
     if (i >= 0) { 

      // Get Phone Number 
      toNumberValue = phoneValueArr.get(i); 

      InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE); 
      imm.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0); 

      // Show Alert 

      Intent it = new Intent(Intent.ACTION_PICK, Contacts.CONTENT_URI); 

      startActivityForResult(it, PICK_CONTACT); 

      /* 
      * Toast.makeText(getBaseContext(), 
      * "Position:"+arg2+" Name:"+arg0.getItemAtPosition 
      * (arg2)+" Number:"+toNumberValue, Toast.LENGTH_LONG).show(); 
      */ 
      Log.d("AutocompleteContacts", 
        "Position:" + arg2 + " Name:" 
          + arg0.getItemAtPosition(arg2) + " Number:" 
          + toNumberValue); 

     } 

    } 

    protected void onResume() { 
     super.onResume(); 
    } 

    protected void onDestroy() { 
     super.onDestroy(); 
    } 

} 

autocomplitemain.xml

<?xml version="1.0" encoding="utf-8"?> 
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    > 

    <TableRow> 
     <TextView 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:textSize="20px" 
      android:text="Write character" 
      android:layout_marginLeft="10dip"></TextView> 
    </TableRow>  
    <TableRow> 

     <AutoCompleteTextView 
      android:id="@+id/toNumber" 
      android:layout_width="fill_parent" 
      android:layout_height="wrap_content" 
      android:layout_marginLeft="10dip" 
      android:layout_marginRight="10dip" 
      android:textColorHighlight="#000000" 
      android:textColorLink="#000000" 
      android:textStyle="bold" 
      android:width="250dip" /> 

    </TableRow> 
    <TableRow android:layout_marginTop="2dip"> 

     <Button android:id="@+id/Send" 
       android:clickable="true" 
       android:width="86dip" 
       android:text="Show Selected Value" 
       android:layout_gravity="center_vertical|center_horizontal"/> 
    </TableRow> 

</TableLayout> 

Answer 1

使用AutoCompleteTextView而不是EditText。所以一旦你輸入任何字符串，它會自動提供具有匹配條目的數據列表。

要不然你可以用TextChangeListener嘗試的EditText