Preloading time of flex mobile project seems long

I have tried a few apps on iPad (e.g. Muni Tracker, Conqu) and the preloading time seems too long (6-10s). Actionscript-only mobile applications are much faster. I am curious to know what is happening during the preloading time, and what can we do to reduce the time.

I tried my app on my iPad 2 and there is less than half a second before I see the splashscreen. I see the splash screen for 2 or 3 seconds. (I set the minimumDisplayTime at 2 seconds)...
It's pretty responsive imo.

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Flex Mobile project scaling with Retina display iPad (3rd gen).

Adobe et al,
With the new iPad 3 we now have a ton more pixels to utilize. I'm familiar with and have already successfully tested the AIR 3.1+ commandline compiler option (-platformsdk) to get Retina display on the new iPad. In ActionScript mobile projects the content is rendered beautifully on the new iPad. But with Flex Mobile projects, something is happening that causes it to render incorrectly. It's retina display alright, but the size is way too small.
Below is an image WITHOUT the -platformsdk build tag, that causes the app to be pixel doubled to fit on the new iPad:
Notice that it's scaled proportionally, even though the text and components are slightly pixelated. Not a big deal, but noticeable on the device.
This image is taken with the app rendering in Retina display (setting the -platformsdk pointing to iOS 5.1 SDK):
As you can see, the text/components are rendered really clear, but the scale is way off. Obviously it's getting the width of 2048x1536 from the device, but it's way too small.
How do I fix this? I've tried changing the applicationDPI, but it doesn't fix it. Setting a width/height of 1024x768 does nothing either. It seems we need to overrride a behavior that causes it to fit everything in so small.
A little help?
Thanks,
iBrent

Alright, kevinkorngut's answer was the right one. It appears that even though AIR 3.x can render high resolution apps, it still returns the incorrect DPI for the new iPad. In a Flex Mobile project you have to override the DPI using the method mentioned above.
Here are the results I got:
Using the runtimeDPIProvider property on the TabViewApplication tag (works for any of the three project types) I created a class that extends RuntimeDPIProvider. To detect which iPad I was on, I used the following code:
override public function get runtimeDPI():Number
     var os:String = Capabilities.os;
     if(os.indexOf("iPad") != -1)
          if(Capabilities.screenResolutionX > 2000 || Capabilities.screenResolutionY > 2000)
               return DPIClassification.DPI_320;
          } else {
               return DPIClassification.DPI_160;
     } else {
          return Capabilities.screenDPI;
I'm returning a DPI of 320 as this gives the best result that matches the proportions of the device. In other words, even though the iPad DPI is 264, setting the app to 320 gives the correct size at the new Retina display.
In order for this to work, you must compile the app with the -platformsdk flag pointing to iOS 5.1 SDK, and currently that means you need a Mac running Lion with Xcode 4.3.1. Here's the adt command I used:
adt -package -target ipa-test -storetype pkcs12 -keystore ~/Desktop/iOS_DevCert.p12 -provisioning-profile ~/Desktop/iOS_DevProfile.mobileprovision newiPadTest.ipa newiPadTest-app.xml newiPadTest.swf -platformsdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPh oneOS5.1.sdk
Also, the -app.xml descriptor file must have the <requestedDisplayResolution>high</requestedDisplayResolution> within the <iPhone> tags.
Thanks everyone for their replies!
iBrent

Flex Mobile Project only lists "Google Android" in Target Platforms

I just downloaded the masters colection cs5.5 and im am using FlashBuilder 4.5. When I create a new Flex Mobile Project, only Google Android is a target platform. I don't see Blackberry or iOS as options.
I do see Apple iOS when I create a mobile ActionScript project.
This must be due to a configuration setting. Can anyone help?
i have already looked at this peron post and i have tryed all of the sollutions and none of them seem to work http://forums.adobe.com/thread/867857

That didn't help me either. Ultimately, here's what I did.
I uninstalled and reinstalled the software
After it was reinstalled, I updated to the 4.5.1 SDK PRIOR to doing any other software update.
Then I updated the Software
The software update found all new items and installed them properly (which is what I believe the issue is -- if you update prior to using the 4.5.1 SDK it doesn't install the required bits).
Now it seems to be working for me.
Not sure if that's the problem, but that's how I fixed it.

ANE for one platform on Flex mobile project for iOS and Android

I'm very new at Flex Mobile Projects and native extension.
I have a big doubt... If I have an ANE that only works on iOS or Android, can I use it into a project for Android AND iOS?
I mean, if I want to do something and I've only found and ANE that works for iOS and another ANE that works for Android, can I create only one project and depending on the device use one or another? or should I create two different projects?
Thanks in advance

You can set them both up and when you publish just comment out the code that does not apply, this way you still keep it as one project but you can use the ANEs as needed, I had to do this with the iAd ANE only for Apple obviously and AdMob ANE which at the time was Android only.
Example
//Android ANE Code
blah blah blah
//iOS Code
code code code
Now when you publish for iOS comment out the Android related stuff
//Android ANE Code
blah blah blah
//iOS Code
code code code
Also dont forget to update your included ANEs when you publish and remove the ones that dont apply and update the XML files as needed. Its possible, but annoying, it would be nice if it was automated or could be flagged somehow so the Flash publisher would auto ignore it.

StageVideo with Flex Mobile Project on iOS

In a Flex Mobile project using StageVideo, StageVideoAvailabilityEvent always returns StageVideoAvailability.UNAVAILABLE.
I've been reading all day and it looks like StageVideo might not be supported with Flex projects, but I can't find a concrete answer.
I need a definitive answer, using Flash Builder 4.6, AIR 3.1, and Flash Player 11, can StageVideo be used. If so, any help as to how to get this working would be greatly appreciated.
Thank you in advance.

After much trial and error, I finally have a definitive answer. The answer is yes, you can use StageVideo in a Flex Mobile project. To be honest I found StageVideo to be completely useless, at least for what I was hoping to use it for.
The first big problem is that the StageVideo plays underneath all Flash content. Second, at least on iOS, there were no video controls. I suppose you could roll your own, but I didn't take the time to experiemnt with this. I ended up just using StageWebView.
More information here: http://www.unfetteredthoughts.net/2012/01/12/embedded-h-264-video-on-ios-with-a-flex-mobil e-project/
I hope that helps anyone else looking for this.

Can't convert Flex Mobile project to desktop project

I'm using the Flash Builder 4.6 trial, and I'm very new to flex development. I've been asked to convert an existing Flex Mobile project (appears to have been developed in Flash Builder 4.5) into an AIR desktop app.
The project imported without complaint. However, the Add/Change Project Type > Convert to Flex Desktop Project menu item is disabled.
I created a blank Flex Mobile project, then a blank Flex web project, then a blank ActionScript project. It's greyed out for those, too. I checked with the projects closed and open; the rest of the items on that submenu are enabled for all projects when closed.
Is this feature disabled in the trial version? Is something else going on?

Clearly the device from verizon works, I would try to contact a computer tech to repair your computer
Really it should be as simple as turn on, connect, go. If it isn't there is a break down somewhere in that computer
What error msg?

Flex Mobile Project unable to run on android device

Hi,
I Have created basic flex mobile project using flash builder and i could able to run on desk top, but while running the same on device i am getting force close exception also dint get any error log. i am using samsung galaxy pop GT-S5570 as my testing device. i have configured usb driver and enabled usb debugging in my device too. any help to resolve this process?

08:20:45.751 Raw device 'sd=sd1,lun=/dev/rdsk/c3t5000CCA03EC50D5Dd0s0' does not exist, or no permissions.
Looks like either your lun doesnt exist OR you running vdbnech session not as root.
(Only a guess )

Is there a way to use Stage3D in Flex Mobile projects on iPad?

When I create a project of type "Action Script Mobile Project" the Stage3D works on iPad, Android device and in the AIR desktop simulator.
But when I create a project of type "Flex Mobile Project" it works in the desktop simulator and on Android device but does not work on iPad.
When running on iPad the stage.stage3Ds[] collection is empty.
Is it a sort of limitation made by intent? Or a bug? Or maybe I am doing something wrong?
What I actually need is an ability to render offscreen bitmaps with GPU in an application that uses Spark UI. This is why I need Flex Mobile project.
My configuration is the following:
iPad with retina display
Sony Xperia Tablet Z
AIR SDK 3.7 (and I have also tried AIR SDK 3.8 today)

Hi,
Check this thread, discussing the similar issue
Re: What video format that is compatible with Muse

Flex mobile project: web root and root path for a remote web service?

Hi all,
i'm trying to set up the testdrive tutorial for flex mobile project, with flash builder 4.5
and php data.
I've uploaded the files on my remote web space (e.g. http://mywebsite.org, and the
test file is http://mywebsite.org/TestDrive/test/test.php... and it works
correctly)... But when i'm setting properties of the project, i don't know what
to write into the web root and root path fields... I thing root path is simply
http://mywebsite.org... and whatever i write in the other fields (output folder
too) i have errors when i click on "validate configuration"...
What should i put into those fields? is zend framework (and gateway.php)
strictly necessary?
As you can see... i'm a bit confused....
Many thanks for any help
Bye
Alex

I thought it was a simple question...
No advice?

FLEX mobile project SDK?

I've built my air/android apps using "Flex Mobile projects" in Flash Builder 4.5. I really need to test front camera support in an app im about to release. Will there be a Flex version of the Beta SDK so I can test this in my flex mobile projects? is it possible to use the "AIR 3 SDK Beta 2" SDK with a flex mobile project somehow?

Yes follow the instructions here to change out the AIR version under Flex SDK 4.5.1
http://blogs.adobe.com/cantrell/archives/2011/08/how-to-use-the-air-3-beta-sdk.html

Flex mobile project as a library for Objective-c project?

We have a objective-c app for ios already,
now we have to add a rtmp based feature(I write that with a flex mobile project).
is there any way to compile the flex mobile project as a objective-c library ,so that the objective-c developer can make that work on ios device?
Please help me ,Thanks!

Usually, people include the objective-c libraries in their AIR applications, using native extensions. However, if you just want rtmp streaming in your native iOS app using flash and not the UI, you may want to use the AV Foundation framework, instead of a flex mobile project.
You may find some useful information and links in this article to achieve it: http://www.adobe.com/devnet/adobe-media-server/articles/streaming-video-ios.html

How to display html content with image in Adobe Flash and Flex mobile project?

Hi,
I have a html content with image in it. How to display it in Adobe Flash Builder and Flex mobile project? Which control needs to be used for this?

Hello,
The only current way is to use an iFrame, or if you only need some html tags you could use the Text Layout Framework.
Here this is the iFrame approach:
http://code.google.com/p/flex-iframe/
If the swc do not work in Flex4 just use its ource code which works...
...it is basically based on this:
http://www.deitte.com/archives/2008/07/dont_use_iframe.htm
see also and vote, please:
http://bugs.adobe.com/jira/browse/SDK-12291
http://bugs.adobe.com/jira/browse/SDK-13740
Regards
Marc

Overlaying adobe air sdk 13 for flex mobile project gives me error

After overlaying adobe air sdk in flash builder 4.6 i am getting this error in my flex mobile project "Could not resolve <s:ViewNavigatorApplication> to a component implementation.". I have followed the steps mentioned on adobe site. Can anyone please suggest me what i need to do in order to get this work.

You are probably missing the updated flash debug player that describes all the new methods to the application.
There is a good walkthrough of how to upgrade flash builder to a new library version, this is described in the first video of hsharma's starling tutorials.
Its very annoying though, i wish adobe would really build in a feature like this to update libraries.

Possible to obtain phone IMEI number with flex mobile project?

Just like the title says, is it possible to obtain phone IMEI number with flex mobile project? If not, does anyone know of another method to get a unique number to identify the phone being used (on android and iphone)? I'm asking because I'm building a chat application, and I need a way to potentially ban users based on something other than an IP address.
edit: now that I think about it, an IMEI number might not be the best way, since wifi tablets may not hav an IMEI number, anyone have any other idea how I could get a number to identify a device that would already be present, because i'm afraid if its something generated by me, a simple uninstall and re-install could circumvent a ban.

If this is an Android project, you can use this ANE:
http://blog.snowflax.com/native-imei-action-script-extension-for-android/
I have verified that it does work and provides the IMEI. For cases where there is no IMEI ( bc the device is not a mobile phone, or it uses IMSI instead ), you can just bypass the device id check with your database, and enable full functionality.
Although this is not full-proof, it will nevertheless screen a lot of devices. With this, you can keep track of the number of app installs / resets, and add a 'banned' flag if you want to in your DB -- if you see unusal activity ( like: unsually high number of re-installs ).
-----> UPDATE:
I just found this ANE which includes a class called 'SystemProperties', to find the IMEI/IMSI/serial/phone number on Android, and the MAC address on iOS:
https://github.com/mateuszmackowiak/NativeAlert
I have verified that the iOS part works, but haven't tried the Android side, yet. Note: for iOS, it will also give you a UUID ( even though the object tag claims it is the UDID -- it's not ), which is worthless as a persistent means of identifying the device. since it gets reset on each app re-install. So, for iOS, you have to use the MAC address, unless you are willing to store/restore the UUID into EncryptedLocalStore, as suggested by a user in:
http://stackoverflow.com/questions/6794493/get-unique-identifier-mac-address-udid-etc-in-a dobe-air-for-ios

Test Flex Mobile Project On Iphone

Hi,
Can i test The flex Mobile Project in Iphone Simulator Like Xcode? in Flex debug i can select the Iphone device, but this Device haven't accelerometer for example.
Can i Test in Another Debug Device, or can i enable Accelerometer in Debug Device in Flex?

Adrian, flash/flex as a development tool is mostly platform independent so much development testing can be performed on any mobile platform. It may simply be a matter of convenience to use an android tablet in place of an iPad. That's not the same as an endorsement to buy an android tablet for testing iPad apps. You should always have the target platform available.
The iPhone/iPad development works. Perhaps it could work better, but plenty of people use it now.
Why use Flash? The reasons are plain to see - Flash developers can use their existing skillset and they can develop for multiple platforms with the same technology, rather than differrent technologies for each platform.
Flash/Flex development for mobile isn't perfect, but neither is anything else.

Preloading time of flex mobile project seems long

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