Binary executable files on the device. Can access all APIs made available by OS vendor. SDKs are platform-specific. Each mobile OS comes with its own unique tools and GUI toolkit. Different tools, languages and distribution channels associated with leading mobile operating systems * IBM, Native, web or hybrid mobile app development, IBM Software Thought Leadership White Paper
PROS Easy low-level hardware access services. Easy access to high level services important to personal mobile experience. Full use of all functionalities that modern mobile devices have to offer. High usability. CONS Code Reusability : Low Development & maintenance: Time-consuming & expensive. Designers are required to be familiar with different UI components of each OS. Upgrade flexibility: Low.
A virtual machine is used to abstract the target platform details from the applications running code. The framework provides both the API and runtime environment. The runtime executes on the mobile device and enables interoperability between the devices OS and the mobile application. ADVANTAGES: Improved performance and User Experience. Full access to functionalities of underlying mobile OS and device specific capabilities. Portability: VMs are easier to maintain & more flexible to extend. DISADVANTAGES: Slower due to runtime interpretation latency.
PROS Code Reusability Plugins Easy for web developers Reduced development costs Support for enterprise & cloud services Easy Deployment CONS Might not support every feature of OS Cannot use own tools/IDE Slower. High end graphics & 3D support limited Vendor lock-in
iOS Android *
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ARCHITECTURE : *
STRENGTHS: Native code output very quick and fluid on the phone. Easy setup and startup for developers. Excellent documentation & examples. Strong community forum to find out answers. Intuitive app management environment. Support for desktop and tablet development WEAKNESSES: Potentially restrictive APIs Tries to solve too many problems in one shot supporting phones, tablets & desktops.