Developers building mobile apps face a formidable challenge: How to support the growing number of device types and operating systems without having to learn the intricate details of each. Sencha is addressing this obstacle and others by delivering frameworks, resources and tools that enable developers to build outstanding Web app experiences using HTML5, CSS3 and JavaScript that run on smartphones, tablets and desktops.

More than a million enterprise and independent developers are currently using Sencha application frameworks and tools. Adobe, Best Buy, Dell and are a mere few of the many leading companies using Sencha technologies to power their business apps.

Sencha offers three Web app frameworks: Sencha Touch, a mobile application development framework; Ext JS, a cross-browser JavaScript framework; and Ext GWT, a Java framework for building rich Web apps using Google Web Toolkit.

Sencha also offers two tools: Ext Designer, a set of UI components that can be selected and configured with drag-and-drop simplicity; and Sencha Animator (currently available as a developer preview) which is the industry’s first purpose-built tool for creating rich and engaging CSS3-based animations that can be viewed on the Blackberry Torch, iPhone/iPad and Android-based devices without rich media plug-ins.

“Sencha provides the leading HTML5, CSS3 and JavaScript frameworks and tools for Web apps,” said James Pearce, senior director of developer relations at Sencha. “We are dedicated to bringing beautiful mobile Web applications to life.”

Sencha Touch currently supports Android, Apple iOS and BlackBerry 6 operating systems. Other supported browsers and platforms are in the works. Using Sencha Touch, developers can write most types of application with familiar Web tools and technologies, and then easily deploy them across a range of smartphones and tablets. (There are some exceptions, of course; a graphic-intensive 3D app dependent on GPU acceleration, for example, might require native development for performance reasons.)

“Building a native app for four major smartphone platforms requires the use of four different programming languages,” said Pearce. “There is also considerable diversity as it relates to hardware, software APIs and capabilities. Developers are turning to Web technologies like the Sencha Touch framework to simplify the porting process, or avoid it altogether.”

WidgetBox, an audience management and digital marketing solutions provider, reassigned two staff members that had been working on framework issues to core product development after adopting Sencha Touch. Xero, a user-friendly accounting system provider, saved months of development time and is now able to spend more time focusing on product feature and user experience innovations.

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