Android

Learn to make a frame animation with a character sprite in Android

Android provides a convenient way to make frame animation via XML or programmatically. API is very clear and powerful. In the following example, we’re going to animate a character sprite programmatically via this API. Character sprite bitmap First, we need to get a character sprite bitmap. Here, we choose the classic grossini dance : Each frame has the following dimensions…
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Articles

Tips and Tricks to master Android Emulator with keyboard shortcuts inside

Use the Android Emulator lets developers to test their apps on different devices configurations. Functionalities are large but it’s well known : without mastering, powerful is nothing ! In this article, we’re going to see tips and tricks to master Android Emulator. A table with keyboard shortcuts will be also provided to make your life easier. Tips on using Android…
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Android

Install Samsung Galaxy S6 skin in your Android Emulator

When you make Android apps, you need to test your app on different devices. Buy all these devices is expensive and impossible for Indie Developers. So, best solution is to use Android Virtual Device to create virtual devices that have identical specifications to physical devices you want to test. If you use Eclipse or Android Studio as IDE to make…
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Android

Learn to create screen wireframes for Android Lollipop with Pencil

Prototype GUI is always an important part of an Android project. It lets to have a better idea about rendering of an application. Among available tools, Pencil is a great solution. Pencil is an open source prototyping GUI solution based on XUL Runner and so multiplatform ! Source code can be found on Github here : At this stage, you…
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Android

Create a real time line graph in Android with AChartEngine

AChartEngine is one of the oldest library available to create graph on Android. Solution is functional but lacks of some fresh in front of new libraries that implement Material Design specifications. However, it’s interesting to study it to learn how to create real time line graph with it. First, we need to get AChartEngine. It can be downloaded as a…
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Tutorials

Learn to make your first Firefox OS application

Launched in 2013, Firefox OS is a Linux kernel-based open source OS for smartphones and tablet that can also be used on smart TVs. Firefox OS is developed By Mozilla, well known for Firefox browser. Main goal of Firefox OS is to provide a complete, community-based alternative system for mobile devices using open standards an approaches such as HTML 5…
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Android

Create a real time line graph in Android with GraphView

In Android applications, there are a lot of use cases in which you must create graphs. Fortunately, a lot of open source libraries exist letting you to easily create line graphs, bar graphs or other style of graphs. These libraries have the main advantages to be designed entirely for Android and so, they are optimized. Among the main libraries, we're…
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Android

Schedule tasks on Android Lollipop with JobScheduler API

Before Android Lollipop , there was just one solution to schedule tasks on Android. You must use the AlarmManager system service acquired thanks to the following method call : (AlarmManager) getSystemService(); The AlarmManager was functional but had some major disadvantages. First, it doesn’t consider if the device is connected to a power plug, idle or connected to a unmetered network.…
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Articles

Android 5.1 SDK is up ! What’s new for developers ?

Android Team has just announced Android , updated version of Android Lollipop platform. Like often, this new version comes with a better stability, bug fixes and obviously better performance. This Lollipop update brings to developers Android SDK with API Level 22. This new SDK version supports new platform and will let to developers to use new features introduced with Android…
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