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Showing posts with label Android Reading Phone Contact Example. Show all posts
Showing posts with label Android Reading Phone Contact Example. Show all posts

Friday, 7 October 2016

Read all Contact's Phone Numbers in Android

Author:  |   |  No Comments | 

This example is show that how to read phone contacts display them in ListView. Let's know try this example.

File Name : MainActivity,java



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package com.example.readcontacts;

import java.util.ArrayList;
import java.util.HashSet;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends Activity {
 private ListView mListView;
 private ProgressDialog pDialog;
 private Handler updateBarHandler;
 StringBuffer output;
 ArrayList<String> contactList;
 Cursor cursor;
 String contactName,phNumber;
 int counter;
 
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);

  pDialog = new ProgressDialog(this);
  pDialog.setMessage("Reading contacts...");
  pDialog.setCancelable(false);
  pDialog.show();

  mListView = (ListView) findViewById(R.id.list);
  updateBarHandler =new Handler();
  
  // Since reading contacts takes more time, let's run it on a separate thread.
  new Thread(new Runnable() {

   @Override
   public void run() {
    getContacts();
   }
  }).start();

  // Set onclicklistener to the list item.
  mListView.setOnItemClickListener(new OnItemClickListener() {

   @Override
   public void onItemClick(AdapterView<?> parent, View view,
     int position, long id) {
    //TODO Do whatever you want with the list data
    Toast.makeText(getApplicationContext(), "item clicked : \n"+contactList.get(position), Toast.LENGTH_SHORT).show();
   }
  });
 }

 public void getContacts() {

  output = new StringBuffer();
  contactList = new ArrayList<String>();
  

  
        Cursor c = getContentResolver().query(
                ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
                null, null,"upper("+Phone.DISPLAY_NAME+ ") ASC");
        while (c.moveToNext()) {

            contactName = c
                    .getString(c
                            .getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
            
            phNumber = c
                    .getString(c
                            .getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));

            contactList.add(contactName + "\n" + phNumber);
            
        }
        c.close();     
   

   // ListView has to be updated using a ui thread
   runOnUiThread(new Runnable() {

    @Override
    public void run() {
     ArrayAdapter<String> adapter = new ArrayAdapter<String>(getApplicationContext(), R.layout.list_item, R.id.text1, contactList);
     mListView.setAdapter(adapter);   
    }
   });

   // Dismiss the progressbar after 500 millisecondds
   updateBarHandler.postDelayed(new Runnable() {

    @Override
    public void run() {
     pDialog.cancel();    
    }
   }, 500);
  }
 
 }


File Name : activity_main.xml

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<RelativeLayout 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:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin">
    <ListView
        android:id="@+id/list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:divider="#95a5ff"
        android:dividerHeight="1dp"
        />
</RelativeLayout>



File Name : list_item.xml



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<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/text1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="5dp"
    android:textColor="@android:color/black" />


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