evandrix · October 19, 2013 16:39 · Oct 19, 2013 · Oct 19, 2013
diff --git a/main.xml b/main.xml
@@ -1,5 +1,5 @@
-<!-- @res/layout/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"

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
@@ -0,0 +1,19 @@
+<?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>
diff --git a/MyActivity.java b/MyActivity.java
@@ -0,0 +1,139 @@
+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);
+
+    }
+}
diff --git a/main.xml b/main.xml
@@ -0,0 +1,19 @@
+<!-- @res/layout/main.xml -->
+<?xml version="1.0" encoding="utf-8"?>
+<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>