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You're reading from  Android Sensor Programming By Example

Product typeBook
Published inApr 2016
Reading LevelBeginner
PublisherPackt
ISBN-139781785285509
Edition1st Edition
Languages
Java
Tools
Android
Concepts
Cross Platform Mobile Development
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Author (1)
Varun Nagpal
Varun Nagpal
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Varun Nagpal

Varun Nagpal has been developing mobile apps since 2005 and has developed and contributed to more than 100 professional apps and games on various platforms, such as Android, iOS, Blackberry, and J2ME. Android app development has been his main area of expertise, and he has developed apps for a wide variety of Android devices, such as Android phones, tablets, watches, smart TVs, Android Auto, and Google Glass. He moved to Chicago in late 2013, and since then, he has become a seasoned mobile architect. He has worked in different roles (mobile architect, technical lead, senior developer, and technical consultant) for a variety of various global clients (Allstate, Verizon, AT&T, Sydbank Denmark, SiS Taiwan, Chams PLC Nigeria, and Nandos South Africa) in order to implement their mobile solutions. He has SCJP (Core Java) and SCWD (JSP and Servlets) certifications from Sun Microsystems and MCP (C#) and MCTS (ASP.NET) certifications from Microsoft. You can find his blogs on mobile technology and white papers written by him on his website at http://www.varunnagpal.com/. When he's not working, Varun can be found meditating or playing the flute. He also loves to develop meditation apps and fun games in his free time. He has developed about 40 meditation apps and games available on Google Play (https://play.google.com/store/apps/developer?id=Creative.Software.Studio) and the Apple App Store (https://itunes.apple.com/us/artist/creative-software-studio/id574745824) under the name of Creative Software Studio, his part-time start-up company (http://creativesoftwarestudio.com/).
Read more about Varun Nagpal

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Time for action – using the fingerprint sensor

In order to support the fingerprint sensor, the Android platform has introduced a new system service, which is called the Finger Print Service, and it can be accessed using the instance of FingerprintManager. It provides all the necessary APIs to use the fingerprint sensor. In the following example, we will use the fingerprint sensor to authenticate the user. In order to make this example work, the Android device should have a fingerprint sensor, and it also should have set up or enrolled the user's fingerprint using the security settings. We also need to use two components of security (Keystore and Cipher) to use the fingerprint authentication API. Fingerprint sensor APIs require install time permission in the AndroidManifest.xml file (android.permission.USE_FINGERPRINT) and also runtime permission before using them. Now, let's look at the implementation details:

  1. Inside the onCreate() method of FingerPrintActivity, we initiated the object of...

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Android Sensor Programming By Example
Published in: Apr 2016Publisher: PacktISBN-13: 9781785285509
© 2016 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Varun Nagpal

Varun Nagpal has been developing mobile apps since 2005 and has developed and contributed to more than 100 professional apps and games on various platforms, such as Android, iOS, Blackberry, and J2ME. Android app development has been his main area of expertise, and he has developed apps for a wide variety of Android devices, such as Android phones, tablets, watches, smart TVs, Android Auto, and Google Glass. He moved to Chicago in late 2013, and since then, he has become a seasoned mobile architect. He has worked in different roles (mobile architect, technical lead, senior developer, and technical consultant) for a variety of various global clients (Allstate, Verizon, AT&T, Sydbank Denmark, SiS Taiwan, Chams PLC Nigeria, and Nandos South Africa) in order to implement their mobile solutions. He has SCJP (Core Java) and SCWD (JSP and Servlets) certifications from Sun Microsystems and MCP (C#) and MCTS (ASP.NET) certifications from Microsoft. You can find his blogs on mobile technology and white papers written by him on his website at http://www.varunnagpal.com/. When he's not working, Varun can be found meditating or playing the flute. He also loves to develop meditation apps and fun games in his free time. He has developed about 40 meditation apps and games available on Google Play (https://play.google.com/store/apps/developer?id=Creative.Software.Studio) and the Apple App Store (https://itunes.apple.com/us/artist/creative-software-studio/id574745824) under the name of Creative Software Studio, his part-time start-up company (http://creativesoftwarestudio.com/).
Read more about Varun Nagpal