I'm a C++ programmer, but I'm a newbie in Flex. I'm developing a Flex 3 application for a social network using the FlashDevelop. For debugging I'm using the stand-alone FlashPlayer (10.3 debug) downloaded from Adobe. The application is a simple audio player which shows artist/album images.
The application worked properly on both local computer and remote server until I made some layout changes in Main.mxml. I added some HBoxes and changed Image placement. After that the application still works on my local computer, but it doesn't work properly after I upload it to a server.
Application buttons are not highlighted on over/out/click events, images loaded from the Internet are not displayed, text changed dynamically is not displayed, but when I click buttons a sound file is loaded from the internet and starts playing. It looks like some events which are responsible for components displaying are not dispatched, because some part of functionality not related to displaying still works.
To make sure that this is not a server problem, I rolled back to the previous revision. All works fine.
I suppose that this is a known issue, but I have no idea what is the reason.
Could anyone please help me to resolve the issue?
Thanks.
UDP: I observed the issue in IE and FF, I didn't test Opera and Chrome.
Are you tying to access the pixel data of the images in the new version? If so, that might be the problem, as pixel data for loaded images is not (always) accessible so that might throw a security error, which in turns breaks the rest of the interface.
Also, did you try running the remote version in the debugger? If so, is there any exception being thrown?
And no, it's not a known issue, it's the kind of annoying and hard to debug error that you sometime get when using the Flex SDK.
Related
I have a webapp that I created well over a year ago, and running on iOS 6, it's been rock solid. It's designed to work offline and online, from the same home screen icon. I've got a manifest file that loads up the bootstrap javascript, all the js includes, and the core files. The app is designed to store data while offline (using SQLite) then transfer anything in the offline queue to a MySQL database once online. And again, all this was working on iOS 6 with absolutely no changes whatsoever to any of the files, the manifest, etc. for months.
Then I upgraded to iOS 7.
Now I have a host of problems, but they all seem to revolve around database issues. I'm getting a lot of code 6 errors in Chrome (in Safari, I get nothing, just a blank screen). In my reading up on this I found that Apple did make some sort of change to how SQLite runs, but not being an xcode developer I don't have access to the materials on Apple's site, and since I'm not running xcode in any case I don't know if that even applies to my purely HTML app.
My question, then, is this: with whatever changes Apple made on the app side, is there anything that would have affected the functionality of a pure HTML5/JS/SQLite offline web app, bookmarked to the home page via Safari?
IOS 7 limit browser DB size from 50MB to 5MB , is that the reason ? Also I met a end user turn on Private Browsing in their IPAD , also could cause this trouble, hope that helps.
you can check this :http://www.mobilexweb.com/blog/safari-ios7-html5-problems-apis-review
I figgured it out.When you enter safari, a little button on the top left on the keyboard says "private", click it to disable it. The database will work fine. But! jquery mobile will not be able to use the back button. For this, you have to delete appcache from your code. jquerymobile 1.4 will fix this, but for now you will have to live without appcache!
I'm working with a Flex 4 application (MXML and ActionScript front-end using BlazeDS and Java back-end) and I am trying to find the origin of an error.
The user sometimes (maybe once a week) gets a pop-up window with "RPC Error" in their web browser. If they retry the operation, they get the same error. Restarting the browser or maybe just reloading the page makes the error go away. Looking in the server log, I don't see any error on the server side. How can I figure out the cause of the RPC error? Can I configure some setting in the browser or Flash player to get additional info?
Thanks for any ideas. I've searched the web & some forums including SO but I've come up empty-handed.
Edit: in this case it appears the problem was loss of the network connection (user was connected via cell modem). I'm still interested in any ideas about how to troubleshoot this problem.
I like to do my development in Firefox and using Firebug as a console. When the Flex app starts, open up Firebug and look at the Net tab. It will bring up all the RPC calls made while Flex is initializing, which can be very useful for these kinds of bugs.
I've got a Flex application that loads without issue when offline, but once I embed it in a webpage it hangs on “Loading…”:
I've tried fiddling with the -use-network compile flag to no avail.
I've also watched the network traffic with Charles, and I see two requests for the SWF (ie, GET /foo.swf), both of which complete successfully, then nothing else.
What am I missing?
Edit: I've determined that it's not a problem with the SWF — when I run a server using python -m SimpleHTTPServer, everything loads and runs properly. It only appears to break when I'm using Django's static media server.
Do you use debug version of Flash Player? If no, install it and hopefully you will see the problem.
After some trial and error, I've determined that the problem "was caused" by Django's gzip middleware. When I turned that off, the swf loaded properly and everything was happy. I have no idea why this might have been, though…
Using Flex Builder 3 :
I have been getting this problem in every single debug launch for past few hours.
I used to get this earlier too, but once in a while, not with every debug launch.
I found out that flex debugger uses a certain 7935 port but I can't figure out
how to change it?
I remember getting this problem a few times. It might have to do with the Flex Profiler (I used to accidentally click that every now and then trying to launch the debugger).
If you start the Profiler and stop it too fast, it will add something to a file in your home directory that it shouldn't.
Check out /path/to/home/mm.cfg on your operating system (on mac, you can open it in textmate with mate ~/mm.cfg). The mm.cfg file stores some information about debugging in Flex
Then in that file, make sure this is the only content:
ErrorReportingEnable=1
TraceOutputFileEnable=1
If there's an extra line (can't remember/find it, something like PreloadSwf=/Users/[username]/Documents/workspace/.metadata/.plugins/com.adobe.flash.profiler/ProfilerAgent.swf?host=localhost&port=9999), delete it.
Let me know if that fixes it.
Lance
Also just make sure you're not using Chrome. Flash Player debugger (at the time of writing this) does not work in Chrome.
This worked for me: right click on a SWF, select "Open with...", choose "Other...", select the Debug player and check the "Always Open With" checkbox.
Mac OSX / FlashBuilder4
Right click your launched flash application, either in the browser or standalone flash player and click on debugger if enabled and change the radio button from localhost to other machine and enter the ip 127.0.0.1 and you are free to debug. I guess the problem maybe from your host file.
Changing the browser from default (chrome) to IE worked for me
Similar to danjp - This started happening to me after a Flash Player automatic update. I simply reinstalled the debug flash players from the Adobe Flash Player download page and everything works as expected.
Make sure there is a swf file with the proper name in your bin-debug directory and that name matches the swf name specified in index.template.html file for the project.
I had replaced index.template.html file by mistake with a similar one from another project. When I tried to debug, I got this "Waiting for flash player to connect to debugger…" status till it timed out.
To me the problem was that internet explorer opened and showed a certification problem, if i didn´t continue this the debugger would show this error. If i continued on ie, no problem happens.
Allope,
I've recently bough Flex Builder 3 and I am completely dissatisfied with its reluctance to debug. It manages to debug a few times, but after that, it just doesn't want to "connect to the debugger".
Help?
There is no easy fix for this. You now have to join the rest of us waiting for Adobe to update Flex Builder with a fix they say they have.
You can find the long sad story here: http://bugs.adobe.com/jira/browse/FB-16153:
Basically, this is an issue that has been around for months. Adobe says it has a fix - however - they've not released that fix yet. Adobe reports it's a threading issue...
For the rest of us (waiting for this) - if you need to move forward you can:
A) Live with the problem (painful)
1) Note that in the bug text there are several attempts to work around this - sometimes people find ways to soften the issue - but no one reports a full fix
2) Note that people trying the LocalHost fix - sometimes report a gain in productivity - but in most cases they do not.
B) Switch SDKs from 3.2 (or 3.3) to 3.1 ---- No one knows why - but it fixes the problem (you can then include the SWFs you need for 3.2 directly
C) Develop on Mac [Not a smart ass answer - honestly - for whatever reason this bug is not on Flex Builder for the Mac]
Join the bug discussion - on Adobe's site - it's still active as people are still waiting for the fix.
Make sure you have the required Flash Debug Player.
http://www.adobe.com/support/flashplayer/downloads.html
If that doesn't help, you might have to re-install Flex Builder.
Are you running it on windows vista? It may be this issue:
http://blogs.msdn.com/expression/archive/2009/03/16/page-cannot-be-found-issue-when-previewing-via-expression-blend.aspx
The page is about silverlight, but I ran into the same issue a while back with the flex debugger, and had to add the following to my host file (which windows defender removed):
127.0.0.1 localhost
This is expanded more upon here:
http://circstar.com/FlashLabUnderground/?p=64
I've had similar problems but every-time it refuses to connect to the debugger i have justed downloaded and reinstalled the flash debugger and it works fine. It's a pain but until adobe do anything what can we do?
Have you the tried FlashDeveloper ide? you can build flex project with it and it quite frankly alot better than flex builder for code writing (not ui work).
Hope this helps
Jon
I'm not sure if you have the same symptoms, but I came across a similar problem on one of our development machines after installing Flex Builder 3. When trying to run our app in debug mode, flex builder took a long time to launch the app and eventually timed out, displaying some message about not being able to connect to the debugger.
I found this solution which worked a treat. While Flex Builder is trying to launch the app:
Go to the browser page containing your app/swf, right-click on the swf to bring up the flash context menu.
Select Debugger
Select Other Machine
Enter 127.0.0.1 in the text field
Click Connect and hopefully it works.
NB: If Flex Builder tried to launch the app in Firefox, the page never appeared. It was only when it launched in Safari that I was able to access the browser page and the flash context menu.