How I Wrote “Object-Oriented Programming With Smalltalk/V”

The era of object-oriented programming began some time in mid 1980s. New languages started to appear and one them, Smalltalk, began to be available on the then ubiquitious PC. Smalltalk/V was the version for DOS. It offered a rich set of graphics, fonts, shapes and it was as close to the original Smalltalk as it was possible then. (The “v” in the title meant that it used the memory of the PC in a…

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How I Wrote “BASIC Interactive Graphics”

Since 1981 the world was swept away by the existence of cheap personal computers such as ZX Spectrum and Commodore 64. Millions of these devices were sold, creating a need for software and documentation — I have the hardware, what else can I do with it? A new class of magazines — computer magazines, appeared out of nowhere. It was obvious that graphics would play a big role in the future of these little…

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Porting Kindle Ebooks To Google Play and App Stores, in English and Chinese

I have successfully ported my own Kindle books to apps and I have done that for other publishers. Here is an example of my work for another publisher, for Android: https://play.google.com/store/apps/details…   and here is the same account in the App Store: https://itunes.apple.com/…/numerical…/id1063163615…   Here is the book that the apps were ported from, in the Kindle store: https://www.amazon.com/Number…/dp/B00IDW25PA/ref=sr_1_1…     Problems in Porting Kindle Ebooks to Android and iPhone / iPad Apps I…

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Ambient Music New — A New App, With A New Video Plugin

I have a new app, called Ambient Music New: https://play.google.com/store/apps/details?id=com.ambientmusicnew If you want to listen to non-intrusive music while you do something else, this Android app is for you. (See the description below.) From the programmer’s point of view, there are two enhancements to brag about. My plugin called DS_awlProOperaMusic is based on CM_awlPro from the plugin market, however, it adds the — ability to listen to the entire playlist with one tap of…

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How to Change the Color of Text in Action Bar for Android

Up to now, the color of the navbar text was always the same in all Buzztouch apps for Android. In this document, you will see how to change the text to one or more colors. This will be the result of our coding: The version used here is Buzztouch Android 3.0, with fragments. To change the color of text in action bar for Android, find the following line in file BT_activity_host.java: if (actionBar !=…

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From Kindle Ebooks to Android Apps — Case Study of Six Ebooks of Mine

Currently I have 17 apps published in Dusko Savic Google Play account. Six out of these 17 titles already live their electronic lives in Kindle store. Just as a point of reference here are the links so the you can compare the app versions against the Kindle versions: Kindle account Play store 1) Homepathic Remedies for Teething in Kindle store Teething 2) Cure Acute Otitis Media and Glue Ear Without Antibiotics and Save Your…

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27 Alternative App Stores for Android Apps

This entry is part 2 of 2 in the series Apps Marketing

  Amazon App Store AndAppOnline AndroidPit App Center Appland Appslib Soc.io Mall Getjar SnappCloud F-Droid Mobango Mobile9 Moborobo Opera Mobile Store AppTown Pdassi Apptoide SlideME Anzhi Appchina D.cn Games Center gFan HiAPK N-Duo Market PandaApp Taobao App Market Tencent App Gem Yandex

Change In Google Play Policy from 23rd of August 2013 — Third Party Ads Through Push Notifications Are Now Forbidden

This change in Google Play Policy from 23rd Aug 2013 means that push notification from the outside sources are not allowed any more, only from within the app. You may send your users notifications on your own, it is only that third party ads through push are forbidden. That is why tapcontext say that you should show the interstitial ads first when the app loads and that you should also send notifications of type…

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