Book Image

Near Field Communication with Android Cookbook

By : Vitor Subtil
Book Image

Near Field Communication with Android Cookbook

By: Vitor Subtil

Overview of this book

Table of Contents (17 chapters)
Near Field Communication with Android Cookbook
About the Author
About the Reviewers

Sending texts to other devices

Android Beam uses the standard NdefMessage parameter to share data between devices, and as we learned in Chapter 3, Writing Tag Content, we can encapsulate the text to NdefMessage. In this recipe, we will create a simple application that sends texts to other devices.

How to do it…

In this application, we will send the content of TextView to another device through an NdefMessage, which is formatted as RTD_TEXT, as shown in the following steps:

  1. Open Eclipse and create a new Android application project named NfcBookCh7Example2 and a package named nfcbook.ch7.example2.

  2. Make sure the AndroidManifest.xml file is configured correctly. Refer to the Requesting NFC permissions recipe in Chapter 1, Getting Started with NFC.

  3. Set the minimum SDK version to 14 with the following code:

    <uses-sdk android:minSdkVersion="14" />
  4. Add the following intent-filters to MainActivity in the AndroidManifest file:

      <action android:name="android.nfc.action.NDEF_DISCOVERED...