Android Studio 2 Development Essentials was published on April 21st, 2016. The current revision is 1.0. The revision of your copy of the book can be found in the copyright page at the start of the book.

Section 2.4 - Downloading the Android Studio Package

This section of the book contains a link to download Android Studio version 2.0. Google now recommends that Android Studio 2.1.1 or later be used instead of version 2.0 due to a security vulnerability in older versions of the tool. The following link should be used to download Android Studio 2.1:

https://developer.android.com/studio/index.html

Section 25.5 - Building and Running the Gesture Builder Application

Google has currently removed the SDK Samples from the Android repostiory. Until these are reinstated, the project source code for the GestureBuilder app may be downloaded using the following link:

http://www.ebookfrenzy.com/code/GestureBuilder.zip

Section 66.7 - Implementing the “Click Me” Button

The second code listing in this section contains the word "play" instead of listing the code for the buttonClicked() method. Replace the word "play" with the following code:

	public void buttonClicked (View view)
	{
		clickButton.setEnabled(false);
		buyButton.setEnabled(true);
	}

If you have encountered an issue with the book not listed above please contact us as at [email protected] and we will work to resolve the issue for you as quickly as possible.