Android: Get Contact Details (ID, Name, Phone, Photo) @ http://tausiq.wordpress.com/2012/08/23/android-get-contact-details-id-name-phone-photo

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="com.example"
          android:versionCode="1"
          android:versionName="1.0">
    <uses-sdk android:minSdkVersion="8"/>
 
    <uses-permission android:name="android.permission.READ_CONTACTS" />
 
    <application android:label="@string/app_name">
        <activity android:name="MyActivity"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>
</manifest>

main.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- @res/layout/main.xml -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="fill_parent"
              android:layout_height="fill_parent" >
 
    <Button android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Select a Contact"
            android:onClick="onClickSelectContact" />
 
    <ImageView android:id="@+id/img_contact"
               android:layout_height="wrap_content"
               android:layout_width="match_parent"
               android:adjustViewBounds="true"
               android:contentDescription="Contacts Image"
                />
</LinearLayout>

MyActivity.java

package com.example;
 
import android.app.Activity;
import android.content.ContentUris;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
 
import java.io.IOException;
import java.io.InputStream;
 
public class MyActivity extends Activity {
 
    private static final String TAG = MyActivity.class.getSimpleName();
    private static final int REQUEST_CODE_PICK_CONTACTS = 1;
    private Uri uriContact;
    private String contactID;     // contacts unique ID
 
 
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
 
    public void onClickSelectContact(View btnSelectContact) {
 
        // using native contacts selection
        // Intent.ACTION_PICK = Pick an item from the data, returning what was selected.
        startActivityForResult(new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI), REQUEST_CODE_PICK_CONTACTS);
    }
 
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
 
        if (requestCode == REQUEST_CODE_PICK_CONTACTS && resultCode == RESULT_OK) {
            Log.d(TAG, "Response: " + data.toString());
            uriContact = data.getData();
 
            retrieveContactName();
            retrieveContactNumber();
            retrieveContactPhoto();
 
        }
    }
 
    private void retrieveContactPhoto() {
 
        Bitmap photo = null;
 
        try {
            InputStream inputStream = ContactsContract.Contacts.openContactPhotoInputStream(getContentResolver(),
                    ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, new Long(contactID)));
 
            if (inputStream != null) {
                photo = BitmapFactory.decodeStream(inputStream);
                ImageView imageView = (ImageView) findViewById(R.id.img_contact);
                imageView.setImageBitmap(photo);
            }
 
            assert inputStream != null;
            inputStream.close();
 
        } catch (IOException e) {
            e.printStackTrace();
        }
 
    }
 
    private void retrieveContactNumber() {
 
        String contactNumber = null;
 
        // getting contacts ID
        Cursor cursorID = getContentResolver().query(uriContact,
                new String[]{ContactsContract.Contacts._ID},
                null, null, null);
 
        if (cursorID.moveToFirst()) {
 
            contactID = cursorID.getString(cursorID.getColumnIndex(ContactsContract.Contacts._ID));
        }
 
        cursorID.close();
 
        Log.d(TAG, "Contact ID: " + contactID);
 
        // Using the contact ID now we will get contact phone number
        Cursor cursorPhone = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                new String[]{ContactsContract.CommonDataKinds.Phone.NUMBER},
 
                ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ? AND " +
                        ContactsContract.CommonDataKinds.Phone.TYPE + " = " +
                        ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE,
 
                new String[]{contactID},
                null);
 
        if (cursorPhone.moveToFirst()) {
            contactNumber = cursorPhone.getString(cursorPhone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
        }
 
        cursorPhone.close();
 
        Log.d(TAG, "Contact Phone Number: " + contactNumber);
    }
 
    private void retrieveContactName() {
 
        String contactName = null;
 
        // querying contact data store
        Cursor cursor = getContentResolver().query(uriContact, null, null, null, null);
 
        if (cursor.moveToFirst()) {
 
            // DISPLAY_NAME = The display name for the contact.
            // HAS_PHONE_NUMBER =   An indicator of whether this contact has at least one phone number.
 
            contactName = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
        }
 
        cursor.close();
 
        Log.d(TAG, "Contact Name: " + contactName);
 
    }
}