Retrieve contact name by giving a phone number

contact_name_lookup.java

	/**
	 * 
	 * @param context
	 * @param phoneNumber
	 * @return contactName
	 */
	public static String getContactName(Context context, String phoneNumber) {
		
		Uri uri = Uri.withAppendedPath(
			PhoneLookup.CONTENT_FILTER_URI,
			Uri.encode(phoneNumber));
		Cursor cursor = context.getContentResolver().query(
			uri,
			new String[] { PhoneLookup.DISPLAY_NAME }, 
			null, 
			null, 
			null);
		
		String contactName = phoneNumber;
	
		if (cursor != null) {

			if (cursor.moveToFirst()) {
				contactName = cursor.getString(cursor
						.getColumnIndex(PhoneLookup.DISPLAY_NAME));
			}
			cursor.close();
		}

		return contactName;
	}