Flex mobile performance checklist. Mobile views should be written in MXML. Unlike item renderers, there is usually only one view visible at a time, so the ease of use of MXML outweighs the performance benefits of ActionScript. Regardless, there are important optimizations you need make to ensure your app is quick and responsive when switching between views. Override the data setter instead of using bindings or initializing a View's appearance in a creationComplete handler Do not initialize a View's appearance in a creationComplete handler because this can cause the view to be reprocessed, which will delay the view transition. Instead, change your view's appearance in an overridden data setter. Start asynchronous operations in viewActivate and cancel them in viewDeactivate Asynchronous operations such as server calls can return during view transitions and require extra code to run, potentially causing a view transition to stutter.
Initialize child components lazily To keep views in memory, set destructionPolicy to "never" Understanding Flex Mobile View and ViewNavigator. The Flex framework “Hero” makes the task of creating mobile applications for BlackBerry Tablet OS, Android, and soon iOS extremely simple. I think that one of the best looking apps for Android is MAX Companion 2010 and please bear in mind that this app was created using an early build of Flex “Hero”. This is a reasonably complex application with lots of screens and social integration (Twitter) and yet on my Nexus One and Samsung Galaxy Tab it still works great.
This is exactly where the Flex framework can shine on mobile devices: fast and easy development of applications that can connect to virtually anything (web services, REST services, RPC). In this article I will talk about Flex Mobile Views and ViewNavigator. Oh and one more thing, if you want to try this yourself you’ll need the Flash Builder “Burrito”. Screen Metaphor Before talking about Flex mobile components let’s talk a little bit about a concept called screen metaphor. Flex Mobile Project Views and ViewNavigator ActionBar <? Eskimo. My 10 Tips When Developing For Multiple Devices | .: Blog.FlashGen.Com :: Mike Jones - Flash Platform Evangelist :. . /Gaming My 10 Tips When Developing For Multiple Devices You may have seen my recent post about porting the Flixel based demo game ‘Mode’ to various devices.
(If not I suggest you check it out as it has some photos of Mode running on a selection of different platforms). A Bit Of Background Before I get in to the 10 most important ones (in my opinion anyway), let me first provide a bit of background. If you want to try out the web based version of Mode you can play it here: Now it is obvious that something needed to be done about the keyboard controls – after all the majority of smart devices (phones or tablets) tend to come with only a touch screen. While I did perform a few bits of optimisation, I haven’t spent a vast amount of time fine tuning the game so there is room for a performance boost there I am sure. 10 Tips When Developing For Multiple Devices Please note these are in no particular order. Optimise your assets. Popularity: 16% [?] Related Items. Tips for Flex mobile apps | RIAgora. After having developed several demo applications with Flex hero, I’d like to share with you some tips to improve the behavior of your native apps.
Today, Flash Builder Burrito (still in beta) lets you develop native applications for Android devices and the BlackBerry PlayBook. The new <s:MobileApplication> tag and the new mobile components of Flex Hero dramatically improve the way you design an application. It’s already the most efficient framework for developing multi-screen applications, and it’s just a start, since Adobe will be adding more and more supported devices. The video Flex mobile application tips from michael chaize on Vimeo. Same video on YouTube for my Chinese friends: TIP #1: Kill your application This is the number one misunderstanding with Android applications for Flash developers. On the first screen, you can see that my application is looking for my location as the GPS Android icon appears in the status bar. TIP #7: Your tips. Blog: Debugging Flex/AIR Applications on an Android Device. At RIAUnleashed 2010, I attended a lab titled "Building your first Android application using Flex and AIR".
One of the first things you'll want to do is see your "Hello World" app running on a device, and not just the emulator. On Mac and Linux, you shouldn't need to do anything special. On Windows, however, you'll need to do some work. Note: This assumes you have Flash Builder Burrito installed. If not, you can get it at labs.adobe.com.
In addition, I’m using a Droid 2, which is a supported device. Note 2: You need wifi. First, if you're new to Android, and you haven't yet attempted to connect your device to your PC yet, there's one small but important thing you'll need to do, and it appears that it does not do this by default, leading to potentially a lot of time and frustration. I had two different installation experiences on two different machines. Connect via usb (duh) slide the notification panel down and select "USB Connection". Now, back in FlashBuilder, do the following.