Ralf Wondratschek
Ralf Wondratschek is a computer science student from Germany. Next to his study, Ralf works for a German company as a software developer. In the last few years, he got in touch with Java, XML, HTML, JSP, JSF, Eclipse, Google App Engine, and the Android SDK. In his free time, he has written and published two Android apps. You can find out more about the author’s work on his homepage.
Tutorials
  • Code
    Reading NFC Tags with AndroidRalf nfc preview2@2x
    37 shares
    Are you curious about what NFC is and how it can be integrated into your own Android applications? This tutorial will quickly introduce you to the topic before diving in and teaching you how to build a simple NFC reader app!Read More…
  • Code
    Android SDK: Creating a Rotating DialerRotatingdialer
    9 shares
    The Android SDK offers a wide range of interface components, including TextViews, Buttons, and EditText boxes. However, adding custom interface elements to your app is a great way to stand out in the App Market. This tutorial will dive into custom interface component creation by teaching you how to build a sleek rotary dialer.Read More…