Context menus are the menus that appear when you right-click in windows. In android Context menu are attached to widgets and the appear when you click on the widget for a long time (long click). To add context menus to widgets you have to do two things: Register the widget for a context menu. Add [...]
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iOS Development Tutorial Series: Calculator Part 2
Hello, and welcome to another iOS development tutorial. Hopefully you’ve been able to track along with me and keep pace with my teaching. If you haven’t just let me know and I can slow it down some more or explain specific concepts that you may be struggling with. Today, we are going to proceed with [...]
Android App Development: Menus part 1: Options menu
In today’s Android App Development tutorial we are going to go over the options menu. Android phones have the menu button which displays a menu with several items that provide navigation or more functionality or settings to your applications. Android has three types of menus Options menu. Context menu. Alternative menus. Menu items can be [...]
iOS Development Tutorial Series: Calculator
In this tutorial we are going to explore more of Xcode, learn more about programming in general, and build a calculator. I’ll start off with saying, if you have any problems with this tutorial or any of my tutorials, feel free to email me and ask questions, Derek@homeschooldev.com. Also, don’t delete your project after you [...]
Android App Development: Using intents to pass data and return results between activities
In my previous tutorial I explained how intents describe an action to be performed. We learned how to launch phone activities like phone dialer with intents, and how we passed data (The phone number to dial) to the phone activity. In this post I’m going to see show you how to use intents to launch [...]
iOS Development Tutorial Series: Hello World
Although it seems very Cliché, our first iPhone app will be a Hello World program. Mostly everyone starts out programming with a Hello World exercise, so let’s not stray from the group since it seems they are doing well… As we go through this series I will explain concepts like Objective-C (the programming language iOS apps [...]
Android App Development: Intents and Intent filters
Intents are used by an application to interact with the phone’s hardware components or other applications, or to start a service or activity with a certain piece of data or to broadcast that an event has occurred. Using Intents to launch phone activities: We can use Intents to launch the phone’s basic activities such as the [...]
iOS Development Tutorial series: Beginning iOS Development
To get started with iPhone development you will first need to learn some things… Firstly, some history is always useful when learning something new. iPhone apps are written in a computer programming language called Objective-C which was originally created by a company called NeXTSTEP. Apple soon purchased Objective-C and used it to develop their operating [...]
Android App Development: Using Themes and Styles in Android
In web design we have the concept of Styles and Themes. Styles like Cascading Style Sheets (CSS) define the values of the web controls attributes such as width, height, font color, background and so on. A style can be applied on several controls in several web pages. Themes are used to group a set of [...]
Android App development: Tabbed Activities
Some times we want to wrap multiple views in a single window and navigate throught them with a Tab Container. this can be done in Android using TabHost control There are two ways to use a TabHost application in Android: Using the TabHost to navigate through multiple views within the same activity. Using the TabHost [...]
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