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• Java on Iphone / IPad - Java Simulator / Proxy?

  - by Kovu

  Hey, I wish to have a java-chat on the iphone / ipad. With both, as far i know, it's not possible to have java there. But I see a lot of mysteriuos things in the internet the last years, so I must ask - is there any possibilty to run a java-chat on IPad / Iphone?!

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• NSDateFormatterFullStyle without year (NSDateFormatter)

  - by Brian Halpin

  Using the user's currentLocale from the device, I want to have a date format exactly like the one generated for NSDateFormatterFullStyle minus the year: [dateFormatter setDateStyle:NSDateFormatterFullStyle]; Friday, 21 September (2012) I've noticed the iPhone app, Living Earth does this and works for all locales, so does the iPhone lock screen. A custom formatter such as, [dateFormatter setDateFormat:@"EEEE, MMMM"]; won't change with localisation. Can anyone shed some light on how to accomplish this? None of the options for date style seem to do this. Thanks

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• NSRangeException Issue

  - by Garry

  Hi, I am writing a Core Data-based iPhone app and I am new to Objective-C. I have a bug that I am really struggling to nail. The iPhone simulator keeps crashing with the following error message: 2010-03-21 17:37:40.583 Patients[3689:207] * Terminating app due to uncaught exception 'NSRangeException', reason: '* -[NSCFArray insertObject:atIndex:]: index (1) beyond bounds (1)' 2010-03-21 17:37:40.585 Patients[3689:207] Stack: ( 31007835, 2516698377, 31091771, 31091610, 601273, 197333, 3194546, 3141378, 25020, 29768673, 214570, 30740485, 204512, 29114749, 29505379, 29001194, 29252410, 29190487, 30794322, 30791263, 30788680, 39097877, 39098074, 2883503, 9912, 9766 ) This error happens when I press return on a textField. What happens when the return key is pressed is that an attribute on an entity is updated. I don't know what array is out of bounds as I am not using any arrays in my code! Is there any way of getting more detail as to where in my code the error is?? Thanks,

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• When is it safe to remote import entires from feature.xml?

  - by Robert Munteanu

  I've recently learned that the import section from feature.xml is legacy, and the actual dependency work is delegated to the p2 engine, which uses the information from the plugin manifest. I am not sure though if p2 is available for all recent versions of Eclipse, or in all Eclipse-based products, so I'm not sure if it is safe to remove the import section from feature.xml. Under what circumstances is it safe to remove the import section from feature.xml? Assume that we are taking into consideration Eclipse 3.4 or newer.

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• Changing resource file in new version of an app

  - by Michael Frost

  Hi, I'm working on an update for an already existing iphone app. The existing version contains a .sql database file which is used in the app. I would like to use a new version of this file in the update of the app. On the first startup of the existing app the .sql file is placed in the caches directory of the users iphone. From what I can understand from Apple's documentation the files in the caches directory might get copied from the old app to the new versions caches directory when the user updates the app. Does this mean that for being sure my new file is used in the updated version I should use a different name of the file? And what happens with the old file? Do I have to manually delete it from inside the app? Which means I have to check if it's there at every startup of the app? Thanks Michael

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• Invalid binary. A pre-release beta version of the SDK was used to build the application.

  - by erik

  Yesterday I submitted an app to the iphone dev center, no problems at all. Today I did some changes to another existing app and was greeted by the following message when I uploaded my binary: The binary you uploaded was invalid. A pre-release beta version of the SDK was used to build the application. I googled the message and didn't find anything at all. I also tried but failed to update another app, same message there. I have not changed anything in between (that I know) and I have certainly not installed or downgraded my SDK. Building for iPhone 3.0..

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• Objects not loading on second request in Restkit

  - by Holger Edward Wardlow Sindbæk

  I'm sending off 2 requests simultaneously with Restkit and I receive a response back from both of them, but only one of the requests receives any objects. If I send them off one by one, then my objectloader receives all objects. First request: self.firstObjectManager = [RKObjectManager sharedManager]; [self.firstObjectManager loadObjectsAtResourcePath:[NSString stringWithFormat: @"/%@.json", subUrl] usingBlock:^(RKObjectLoader *loader){ [loader.mappingProvider setObjectMapping:designArrayMapping forKeyPath:@""]; loader.userData = @"design"; loader.delegate = self; [loader sendAsynchronously]; }]; Second request: self.secondObjectManager = [RKObjectManager sharedManager]; [self.secondObjectManager loadObjectsAtResourcePath:[NSString stringWithFormat: @"/%@.json", subUrl] usingBlock:^(RKObjectLoader *loader){ [loader.mappingProvider setObjectMapping:designerMapping forKeyPath:@""]; loader.userData = @"designer"; loader.delegate = self; [loader sendAsynchronously]; }]; My objecloader: -(void)objectLoader:(RKObjectLoader *)objectLoader didLoadObjects:(NSArray *)objects { //NSLog(@"This happened: %@", objectLoader.userData); if (objectLoader.userData == @"design") { NSLog(@"Design happened: %i", objects.count); }else if(objectLoader.userData == @"designer"){ NSLog(@"designer: %@", [objects objectAtIndex:0]); } } My response: 2012-11-18 14:36:19.607 RestKitTest5[14220:c07] Started loading of request: designer 2012-11-18 14:36:22.575 RestKitTest5[14220:c07] I restkit.network:RKRequest.m:680:-[RKRequest updateInternalCacheDate] Updating cache date for request <RKObjectLoader: 0x95c3160> to 2012-11-18 19:36:22 +0000 2012-11-18 14:36:22.576 RestKitTest5[14220:c07] response code: 200 2012-11-18 14:36:22.584 RestKitTest5[14220:c07] Design happened: 0 2012-11-18 14:36:22.603 RestKitTest5[14220:c07] I restkit.network:RKRequest.m:680:-[RKRequest updateInternalCacheDate] Updating cache date for request <RKObjectLoader: 0xa589b50> to 2012-11-18 19:36:22 +0000 2012-11-18 14:36:22.605 RestKitTest5[14220:c07] response code: 200 2012-11-18 14:36:22.606 RestKitTest5[14220:c07] designer: <DesignerData: 0xa269fc0> Update: Setting my base url RKURL *baseURL = [RKURL URLWithBaseURLString:@"http://iphone.meer.li"]; [RKObjectManager setSharedManager:[RKObjectManager managerWithBaseURL:baseURL]]; Solution Problem was that I used the shared manager for both object managers, so I ended up doing: RKURL *baseURL = [RKURL URLWithBaseURLString:@"http://iphone.meer.li"]; RKObjectManager *myObjectManager = [[RKObjectManager alloc] initWithBaseURL:baseURL]; self.firstObjectManager = myObjectManager; and: RKURL *baseURL = [RKURL URLWithBaseURLString:@"http://iphone.meer.li"]; RKObjectManager *myObjectManager = [[RKObjectManager alloc] initWithBaseURL:baseURL]; self.secondObjectManager = myObjectManager;

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• Xcode, changing applications subfolder?

  - by fuzzygoat

  Hi have noticed today whilst writing a simple iPhone app that Xcode sometimes starts a new folder in applications, whilst your still working on the same app. /Users/Fuzzygoat/Library/Application Support/iPhone Simulator/User/Applications/4E5EF4F0-F410-46A6-888C-0D23BB97D2DC Does anyone know what causes Xcode to swap to a new app folder (i.e. the one named "4E5EF4F0-F410-46A6-888C-0D23BB97D2DC") EDIT_001: One thing I have noticed is that I have been doing a lot of quitting an application and restarting to check a set of archive methods, and that does tend to confuse it sometimes. A couple of times it has not found saved data, I guess this is just a side effect of constantly running the simulator over and over via Xcode. Things seem to go just fine if I test on the Simulator without Xcode, for a start the folder keeps the same name. NB: I am using NSSearchPathForDirectoriesInDomains to get the documents folder each time. gary

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• stanza like application for iPad

  - by Suresh Varma

  Hi, I want to try to create an eReader for the Ipad like Stanza but I can't really find any open source project or help in the web, I don't really know how to begin and how to do it. If someone have idea, know how to create an eReader, display content page by page, how to use epub lib on Iphone (objective-c) Thanks in advance for any help.. Happy coding Edit: Since the question is too big the simple thing i want to know is how to let epub file run on my iPad. Or if you have any link or tutorial which teaches how to use epub file with iPad or iPhone would be a great help. Thanks

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• code sign error : doesnt match key pair in default keychain

  - by abhiTouchmagic

  *Code Sign error: The identity 'iPhone Developer: XXXXXXXXXX' doesn't match any valid certificate/private key pair in the default keychain.* i am a member in developer profile... i am having theprovisioning profile... what must be the problem sir? Code Sign error: The identity 'iPhone Developer: BD9A19AA-EFEF-41CC-9560-2D97E157380C' doesn't match any valid certificate/private key pair in the default keychain what abt this? what am i supposed to do? i earched a lot but may be i am getting wrong somewhere? help me with this

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• Do you know a good and efficient FFT?

  - by yan bellavance

  Hi, I am trying to find a very fast and efficient Fourier transform (FFT). Does anyone know of any good ones. I need to run it on the iPhone so it must not be intensive. Instead, maybe you know of one that is wavelet like, i need frequency resolution but only a narrow band (vocal audio range up to 10khz max...even 10Khz might be too high). Im thinking also of truncating this FFT to keep the frequency resolution while eliminating the unwanted frequency band. This is for an iphone ...I have taken a look at the FFT in Aurio touch but it seems this is an int FFT but my app uses floats.....would it give a big performance increase to try and adapt program to an int FFT or not(which i really dont feel like doing...plus aurio touch uses a radix 2 FFT which is not that great).

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• Setup routing and iptables for new VPN connection to redirect **only** ports 80 and 443

  - by Steve

  I have a new VPN connection (using openvpn) to allow me to route around some ISP restrictions. Whilst it is working fine, it is taking all the traffic over the vpn. This is causing me issues for downloading (my internet connection is a lot faster than the vpn allows), and for remote access. I run an ssh server, and have a daemon running that allows me to schdule downloads via my phone. I have my existing ethernet connection on eth0, and the new VPN connection on tun0. I believe I need to setup the default route to use my existing eth0 connection on the 192.168.0.0/24 network, and set the default gateway to 192.168.0.1 (my knowledge is shaky as I haven't done this for a number of years). If that is correct, then I'm not exactly sure how to do it!. My current routing table is: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface MSS Window irtt 0.0.0.0 10.51.0.169 0.0.0.0 UG 0 0 0 tun0 0 0 0 10.51.0.1 10.51.0.169 255.255.255.255 UGH 0 0 0 tun0 0 0 0 10.51.0.169 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 0 0 0 85.25.147.49 192.168.0.1 255.255.255.255 UGH 0 0 0 eth0 0 0 0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 0 0 0 192.168.0.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0 0 0 0 After fixing the routing, I believe I need to use iptables to configure prerouting or masquerading to force everything for destination port 80 or 443 over tun0. Again, I'm not exactly sure how to do this! Everything I've found on the internet is trying to do something far more complicated, and trying to sort the wood from the trees is proving difficult. Any help would be much appreciated. UPDATE So far, from the various sources, I've cobbled together the following: #!/bin/sh DEV1=eth0 IP1=`ifconfig|perl -nE'/dr:(\S+)/&&say$1'|grep 192.` GW1=192.168.0.1 TABLE1=internet TABLE2=vpn DEV2=tun0 IP2=`ifconfig|perl -nE'/dr:(\S+)/&&say$1'|grep 10.` GW2=`route -n | grep 'UG[ \t]' | awk '{print $2}'` ip route flush table $TABLE1 ip route flush table $TABLE2 ip route show table main | grep -Ev ^default | while read ROUTE ; do ip route add table $TABLE1 $ROUTE ip route add table $TABLE2 $ROUTE done ip route add table $TABLE1 $GW1 dev $DEV1 src $IP1 ip route add table $TABLE2 $GW2 dev $DEV2 src $IP2 ip route add table $TABLE1 default via $GW1 ip route add table $TABLE2 default via $GW2 echo "1" > /proc/sys/net/ipv4/ip_forward echo "1" > /proc/sys/net/ipv4/ip_dynaddr ip rule add from $IP1 lookup $TABLE1 ip rule add from $IP2 lookup $TABLE2 ip rule add fwmark 1 lookup $TABLE1 ip rule add fwmark 2 lookup $TABLE2 iptables -t nat -A POSTROUTING -o $DEV1 -j SNAT --to-source $IP1 iptables -t nat -A POSTROUTING -o $DEV2 -j SNAT --to-source $IP2 iptables -t nat -A PREROUTING -m state --state ESTABLISHED,RELATED -j CONNMARK --restore-mark iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j CONNMARK --restore-mark iptables -t nat -A PREROUTING -i $DEV1 -m state --state NEW -j CONNMARK --set-mark 1 iptables -t nat -A PREROUTING -i $DEV2 -m state --state NEW -j CONNMARK --set-mark 2 iptables -t nat -A PREROUTING -m connmark --mark 1 -j MARK --set-mark 1 iptables -t nat -A PREROUTING -m connmark --mark 2 -j MARK --set-mark 2 iptables -t nat -A PREROUTING -m state --state NEW -m connmark ! --mark 0 -j CONNMARK --save-mark iptables -t mangle -A PREROUTING -i $DEV2 -m state --state NEW -p tcp --dport 80 -j CONNMARK --set-mark 2 iptables -t mangle -A PREROUTING -i $DEV2 -m state --state NEW -p tcp --dport 443 -j CONNMARK --set-mark 2 route del default route add default gw 192.168.0.1 eth0 Now this seems to be working. Except it isn't! Connections to the blocked websites are going through, connections not on ports 80 and 443 are using the non-VPN connection. However port 80 and 443 connections that aren't to the blocked websites are using the non-VPN connection too! As the general goal has been reached, I'm relatively happy, but it would be nice to know why it isn't working exactly right. Any ideas? For reference, I now have 3 routing tables, main, internet, and vpn. The listing of them is as follows... Main: default via 192.168.0.1 dev eth0 10.38.0.1 via 10.38.0.205 dev tun0 10.38.0.205 dev tun0 proto kernel scope link src 10.38.0.206 85.removed via 192.168.0.1 dev eth0 169.254.0.0/16 dev eth0 scope link metric 1000 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.73 metric 1 Internet: default via 192.168.0.1 dev eth0 10.38.0.1 via 10.38.0.205 dev tun0 10.38.0.205 dev tun0 proto kernel scope link src 10.38.0.206 85.removed via 192.168.0.1 dev eth0 169.254.0.0/16 dev eth0 scope link metric 1000 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.73 metric 1 192.168.0.1 dev eth0 scope link src 192.168.0.73 VPN: default via 10.38.0.205 dev tun0 10.38.0.1 via 10.38.0.205 dev tun0 10.38.0.205 dev tun0 proto kernel scope link src 10.38.0.206 85.removed via 192.168.0.1 dev eth0 169.254.0.0/16 dev eth0 scope link metric 1000 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.73 metric 1

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• linking to an app on the Itunes store

  - by William Jockusch

  A few web searches yield all sorts of contradictory advice on linking from an iPhone app to an app on the store. Here are some links that come up, together with comments from testing: http://itunes.apple.com/us/app/anagramania/id360016055?mt=8 -- works great. But is it US only? "http://itunes.com/apps/anagramania" -- works after a bunch of redirects, which are likely to annoy the customer. @"http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=360016055&mt=8"]; -- works great. But Apple appears to be trying to remove "phobos" links from its documentation. @"http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=360016055&mt=8"]; -- works great, but Apple's documentation mentions problems with similar links. Apple doc here: http://developer.apple.com/iphone/library/qa/qa2008/qa1633.html#STANDARD_APPSTORE_LINKS Can anyone bring order out of this chaos?

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• WP plugin based on useragent

  - by jake

  I am writing a plugin which does some js stuff, but does not work for other browsers than FF . I've thought why not execute the plugin for the browsers which support it. I've added the code, but for some reason when I activate the plugin and check the site with a FF all I get is blank page. If I visit with a IE the site is shown correctly. Basically my code is like this $agent= strtolower($_SERVER['HTTP_USER_AGENT']); if (preg_match('/firefox/',$agent)){ include(plugins_url('script.js',FILE)); some more code } So when I visit with FF I get blank page, when I visit with IE the blog loads normally

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• New MacBook pro 15" with core i5

  - by meetS

  Is there any problems comes with new macbook pro 15" core i5 for iPhone development purpose???

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• Proper NSArray initialization for ivar data in a method

  - by Joost Schuur

  I'm new to Objective-C and iPhone development and have been using Apress' Beginning iPhone 3 Programming book as my main guide for a few weeks now. In a few cases as part of a viewDidLoad: method, ivars like a breadTypes NSArray are initialized like below, with an intermediate array defined and then ultimately set to the actual array like this: NSArray *breadArray = [[NSArray alloc] initWithObjects:@"White", @"Whole Weat", @"Rye", @"Sourdough", @"Seven Grain", nil]; self.breadTypes = breadArray; [breadArray release]; Why is it done this way, instead of simply like this: self.breadTypes = [[NSArray alloc] initWithObjects:@"White", @"Whole Weat", @"Rye", @"Sourdough", @"Seven Grain", nil]; Both seem to work when I compile and run it. Is the 2nd method above not doing proper memory management? I assume initWithObjects: returns an array with a retain count of 1 and I eventually release breadTypes again in the dealloc: method, so that wraps things up nicely. I'm guessing 'self.breadTypes = ...' copies the data to the new array, which is why the original array can be safely released, correct?

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• How to make WordPress "Add/Edit Post" form more Tumblr like?

  - by Eliot Sykes

  Hi, WordPress requires you give each blog post at least two fields: a title and text body content. I'm wondering how to modify WordPress admin so I can sometimes enter a single field for a blog post, in particular a URL, without WordPress requiring a title (related but not the point of this question: a custom theme would then know how to handle a post that only contained a URL, it would treat it like a "Link" post in Tumblr). Ideally it'd be good if the "add/edit post" form could be modified so it only contains this single URL/Link field when this is wanted. I'm guessing this is possible through a plugin but I'm not certain. I'm hoping some smart WordPress devs are here to share and brainstorm ideas for how this could be done. Thanks in advance for any help, Eliot

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• Sequential Order of Wordpress Hooks?

  - by justjoe

  hello, can anybody help me. is there any documentation about sequential order of wordpress hook ? especially for action and filter in backend ?

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• Require-Bundle and Import-Package versus feature.xml requires

  - by Robert Munteanu

  When building an Eclipse plugin (lato sensu) which consists of multiple plugins and one feature, I have two ways of specifying dependencies: in the plugins themselves, using Require-Bundle and Import-Package in META-INF/MANIFEST.MF; in the feature.xml file from the feature. In my understanding, it should be enough to declare the dependencies at the lower level, i.e. in the plugins. Why do we still have the feature.xml requires mechanism?

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• Appcelerator Vs. MonoTouch - Which one is best for a .NET developer ?

  - by Click Ahead

  Hi All, I'm a .NET developer with 10 years experience developing Web & Mobile Apps. I'm looking to branch into iPhone (and possibly Android) development. I'm looking at two products: Appcelerator Titanium (http://www.appcelerator.com/) and MonoTouch (http://monotouch.net/) I like MonoTouch because of it's standing in the Mono development communitity and it's C#. In saying that Appcelerator looks very straight forward using HTML and Javascript and targets Android too (which is overtaking the iPhone). The apps I'm looking to develop are line of business applications with data entry, syncing with back office, etc. Can anyone give their opinion on the pro's / con's of using these tools or any experiences. I'm very interested in any thoughts ! Thanks in advance, Ciaran

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• Sequincial order of wordpress hook ?

  - by justjoe

  hello, can anybody help me. is there any documentation about sequential order of wordpress hook ? especially for action and filter in backend ?

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• When to release the model(representedObject) of the corresponding UIViewController.

  - by user313786

  Hi, In AppKit we have "representedObject" available through NSViewController, this representedObject is generally set to ModelController or the model which the NSViewController displays, this works great with bindings as you just set the new representedObject and model details are updated in the view, BUT in case of iPhone (UIKit, with NO Cocoa bindings available), there is no such representedObject in UIViewController so here are few things I am interested in knowing:- What is the best/recommended way of binding the model to the UIViewController?, preferably dont want to maintain lot of IBOutlets and calls setters to updated the changed model data for display in view. How/When should the related model of the UIViewController be released? When is the -[UIViewController dealloc] called, in the typical iPhone application. Am looking for architecting some classes so that the UIViewController coordinates between the view and the model, but at the same time, deallocs the model when ever not necessary. TIA.

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• HOw to use UIIMagePickerController?

  - by aman-gupta

  Hey, IN my application I m using this code on button click for getting image from PhotoLibrary:- -(IBAction) getPhoto:(id) sender { UIImagePickerController *picker = [[UIImagePickerController alloc]init]; picker.delegate = self; picker.sourceType =UIImagePickerControllerSourceTypePhotoLibrary; [self presentModalViewController:picker animated:YES]; [picker release]; //picker = nil; } -(void)imagePickerController:(UIImagePickerController *) picker didFinishPickingMediaWithInfo:(NSDictionary *)info { imageView.image = [info objectForKey:@"UIImagePickerControllerOriginalImage"]; [picker dismissModalViewControllerAnimated:YES]; } But problem is that when i run my application in mobile it will get terminated on button click.Where I m wrong it works properly on iphone simulator but termninating on iphone Device Please reply me its urgent Thanks in Advance

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• Refcounted pointers on iPhone

  - by anon

  1) Refcounted pointers need stack variables to have constructors / destructors called at predictable places. 2) Objective-C, afaik, does not support the above. 3) The cocoa libraries are bound in Objective-C, not C++. Thus, my question: is there a easy way to use the Cocoa libraries, yet still have most of my app in C++ (and thus use my refcounted pointers)? Thanks! (iPhone in the title since this is mainly targeted at the iPhone)

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• How to impose control access on flash player streaming through RTMP?

  - by MobiHunterz

  Hi, I'm using ICECAST and I'm streaming AAC/HE-AACv2 audio/video file through flash player and on iPhone. Both are separate. But when I submit url in WINAMP to stream it's requesting username/password. But when I use it with flash player, it just starts streaming. My case is I want to use same streaming (RTMP) for both website and iPhone app and i want to impose control access over my flash player to authenticate who can see streamed video. So, I need to allow access to authenticated users only to see flash player or just reject playing. Now, my provider is not supporting control access on flash player, but i need to do it... can u say how i can do this? Any kind of help will be appreciated. Thanks.

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