Google expected to introduce new Java compiler

The upcoming Jack & Jill compilers in Android | Saikoa. Most Android apps are written in the Java programming language. Google’s Android software development system converts “source code” (a text file) written in Java, into the code that runs on the Android device. In many programming language systems, source code is converted into the “machine instructions” … Continue reading Google expected to introduce new Java compiler

App Inventor Tip Calculator version 5: Fully automated!

What the App Does This is the fifth version of 5 app versions that implement a tip calculator – and the final version is pretty cool! This app is useful – I was recently traveling and used it on my smart phone to calculate restaurant tips – I will post a short tutorial on how to install this app … Continue reading App Inventor Tip Calculator version 5: Fully automated!

Android App Inventor Tip Calculator version 4: Introduction to Procedures

What the App Does This is the fourth version of 5 versions that implement a tip calculator. Each version has added improvements or new programming methods. Version 1 introduced the basic app and the use of error checking to handle user data entry mistakes. Version 2 introduced the Slider user interface component to select the tip amount. Using … Continue reading Android App Inventor Tip Calculator version 4: Introduction to Procedures

Tip Calculator App (version 2) for App Inventor

What the App Does This is a simple app to calculate the tip and total bill at a restaurant – or other service provider where a tip is common place. This is the second of 3 apps that implement a tip calculator. Version 1 introduced the basic app and the use of error checking to handle user … Continue reading Tip Calculator App (version 2) for App Inventor

A Tip Calculator App (version 1) written in App Inventor

What the App Does This is a simple app to calculate the tip and total bill at a restaurant – or other service provider where a tip is common place. This is the first of 3 apps that will implement a tip calculator. Version 1 (this tutorial) introduces the basic app and demonstrates the use … Continue reading A Tip Calculator App (version 1) written in App Inventor