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Errata for Hello, Android


The latest version of the book is P1.6, released over 7 years ago. If you've bought a PDF of the book and would like to upgrade it to this version (for free), visit your home page.

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: P1.6 (01-Nov-12)
PDF page: ylgHU
Paper page: wdlUE
Page views or unique viiotsrs are bad measurements because they focus on abstract metrics instead of the valuable customer behavior that generates tho...more...
  • Reported in: P1.6 (06-Dec-09)
PDF page: 51
Source code for strings.xml has <!-- --> comments located at the very top above starting "<?xml version="1.0" encoding="utf-8"?>" line. Such XML file ...more...
  • Reported in: P1.6 (09-Jan-13)
PDF page: 63
Hi i have seen that in this book there is no code to play continue the sudoku game. so please check and update that. Also when someone click on about...more...
  • Reported in: B2.0 (25-Oct-09)
Paper page: 79
The line of code setTitle(R.string.keypad_title); is missing from the Keypad onCreate method. It should be the first line of code printed on pa...more...
  • Reported in: P1.6 (07-Sep-09)
PDF page: 91
Extra comma in the code for the array c[]... note the trailing "," prior to the "};" int c[] = { getResources().getColor(R.color.puzzle_hint_0), g...more...
  • Reported in: B2.0 (26-Oct-09)
Paper page: 102

The Music class's stop method takes a Context object as a parameter, but that object is never referenced in the body of the method.--Bill Cruise

  • Reported in: P1.6 (08-Nov-09)
Paper page: 121
The end of section 7.1 needs to include adding the internet permissions to the AndroidManifest.xml in order to run (just like is mentioned on page 124...more...
  • Reported in: P1.6 (07-Apr-11)
PDF page: 128

The download code sample on page 128 contains a technical error: package; should be package org.example.sudoku;--Jeroen Minnee

  • Reported in: P1.6 (29-Nov-09)
PDF page: 154

Text at the bottom of the page is hidden by the footer.--Trevor Bramble

  • Reported in: P1.6 (07-Aug-09)
  • Fixed: 13-Aug-09, awaiting book release
PDF page: 233
Simple typo, last line of the section just before "C.3 Publishing" it says "you'll have a ..apk file" where there should be only one period (although ...more...
  • Reported in: P1.6 (10-Aug-09)
  • Fixed: 13-Aug-09, awaiting book release
PDF page: 235
"Regardless of the change, you must click the Publish button for your changes to be visible to Android Market users. If you click Save instead, change...more...
  • Reported in: P1.6 (07-Aug-09)
PDF page: 238
Page 238 is the first page of the index, and has references to page numbers with an 'f' after them. It is not explained, but I assume these are for fi...more...