The BlackBerry 10 Native SDK
The BlackBerry 10 Native SDK is a development toolkit that lets you create apps to run on the BlackBerry 10 OS.
You can develop apps with the BlackBerry Native SDK by using the Momentics IDE for BlackBerry. The Momentics IDE is an Eclipse-based IDE that's designed for building apps in C, C++, or QML. The IDE allows you to compile, deploy, debug, and profile your BlackBerry apps.
The BlackBerry Native SDK supports libraries that give you access to the operating system, device hardware, and commonly used open standards. The SDK includes the Cascades UI Framework and platform APIs. You can use the Cascades platform APIs to access the underlying features of the BlackBerry Application Platform and use hardware peripherals and protocols such as cameras, sensors, and Bluetooth connections.
You can port your existing app to BlackBerry 10 devices using the BlackBerry Native SDK and open source libraries. This technique lets you take advantage of the power and speed of the BlackBerry 10 OS (built on the QNX Neutrino RTOS) and the standard functionality that comes from being POSIX-compliant.
The BlackBerry 10 OS
The BlackBerry 10 OS is a multitasking operating system built on the QNX Neutrino RTOS. The OS implements the minimum amount of software in the kernel space and runs other processes in the user space. By running most processes in the user space, the BlackBerry 10 OS can manage unresponsive processes in isolation. This architecture creates a responsive and secure environment by preventing damage to the operating system and other running apps.
The BlackBerry 10 OS is tamper-resistant, resilient, secure, and efficient:
- The OS performs an integrity test before it starts. If the integrity test reveals damage, the OS doesn't start.
- Processes can be restarted without impacting other processes or apps. All apps run in the user space. An app that fails doesn't affect the kernel.
- The OS validates requests for system resources. An authorization manager evaluates requests from apps to access OS capabilities. For example, when an app requests access to the camera, the authorization manager displays a dialog box that specifies the capability requested, and provides the user with the opportunity to grant or decline access to that capability. In addition, the OS is designed to verify the authenticity of apps. All apps must be signed by the BlackBerry Signing Authority.
- The OS minimizes power consumption when it is idle.
BlackBerry 10 apps are built using the Momentics IDE for BlackBerry. The Momentics IDE comes with a set of Eclipse views that are designed specifically to help speed up the development process for BlackBerry 10 apps. You can access these views by using the QML editing perspective and the C++ perspective in the IDE.
If you don't want to use the Momentics IDE, you can use command-line tools to build and sign apps. For more information, see Build, test, and deploy your app to learn how to compile and link your project.
The BlackBerry 10 OS supports libraries that give you access to the operating system, device hardware, and commonly used open standards.
For more information, see Library support.
The BlackBerry Native SDK supports standard C and C++ libraries. In addition, BlackBerry provides the BlackBerry Platform Services (BPS) that you can use for low-level OS access and for interacting with hardware peripherals and protocols.
You can also use libraries that aren't part of the BlackBerry Native SDK, including open source libraries. You may even have libraries of your own that you can use or create. If your libraries use POSIX-standard C/C++ calls and compile using the GNU C/C++ compiler, they can be ported for use with the BlackBerry 10 OS.
The BlackBerry 10 Native SDK includes the Cascades UI Framework, which you can use to develop fully featured apps for BlackBerry 10.
The Cascades UI Framework ( bb::cascades ) contains a rich set of UI controls to help you create a fluid and intuitive experience, along with APIs that allow for deep integration with the BlackBerry 10 OS. The foundation of Cascades is Qt 4.8, which provides a set of nonvisual foundation classes and objects.
Although Qt has a fully featured UI toolkit, Cascades provides its own UI framework, giving it all the power and flexibility of Qt with a look and feel that's designed for touch-screen interaction.
Qt is a cross-platform application framework that's used for creating apps that require a UI. Qt uses standard C++, but extends its functionality using several macros, the most important being the Q_OBJECT macro, which provides an interobject communication mechanism called signals and slots.
Open source and cross-platform libraries
The BlackBerry 10 OS also supports open source software repositories and several commercial frameworks, such as OpenGL ES and Cocos2D-X. Many libraries come with the BlackBerry 10 Native SDK installation while others can be found on open source software repositories. You can use the Add Library Wizard in the Momentics IDE to add libraries to your project. For more information, see Using libraries.
BlackBerry 10 apps follow a simple development workflow. This process is relevant not only for your initial release, but for each subsequent update to your app as well.
- If your app has already been released to users, look at the Analytics metrics to see how they've been using it. This information can help you make informed decisions about new and existing features.
- Determine your app's requirements, such as types of user input methods, information to display to the user, network usage, and how to leverage social media.
- Identify potential ways to monetize your app. The Payment Service and Advertising Service offer a few different options for generating revenue. To learn more about monetization, see Making money from your app.
- Familiarize yourself with the design principles for BlackBerry 10 apps. The UI Guidelines contains best practices for structuring your app, following design patterns, using components, and more.
- Start creating wireframes and building prototypes. The Wireframe prototyping tips and tools contain everything you need to get started.
- Design your visual assets. Using the Cascades Exporter plug-in for Adobe Photoshop, you can design your UI within Photoshop and export it to the Momentics IDE.
- Start developing your app. Check out Building an app from the ground up to learn about the different features available so you can decide how to implement them.
- Target all devices. To make your app available to the most users possible, it needs to be supported on all BlackBerry 10 devices. Resolution independence is one way to make sure that your app can run on any device.
- Profile your apps to improve performance. Profiling allows you to pinpoint inefficient processes within your app, detect memory leaks, and find unused code.
- Perform unit testing. Unit testing allows you to test individual functions outside the scope of the full app.
Last modified: 2015-03-31