iPad app weird crash [closed] - objective-c

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Maybe the question is too general. Though, I dare asking it. Here's the situation: I have tested my app on my iPad and it worked great. It was submitted to Apple and approved. After I download it, it crashes when I do certain actions: example - presenting a modal view controller which contains a photo gallery. I tested it again and it worked. Soon after redownload it had the same strange behavior. How to debug such a situation? Thanks.

You should better have used something like Quincy Kit.

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Screen video Recording for objective c [closed]

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I've searched the web for having a good resource to implement a code in objective c that is able to record a video of the screen of the Ipad while the user is doing some actions to capture his performance, but I didn't get a clue. Is there anyway to make it possible?
You can download sample from the link below provided by Apple.
https://developer.apple.com/library/mac/samplecode/AVScreenShack/Introduction/Intro.html
First of all you can only record your applications view only.
You can use the demo here iPhone Screen Capture Revisited

Should the 'download' query string parameter work in the HTML5 SoundCloud player? [closed]

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I was looking at the Soundlcoud Widget docs
http://developers.soundcloud.com/docs/widget#
I noticed there is a parameter for 'download'. I tried it on the HTML5 sharing widget it didn't turn on the download link. Is there a way to show the Download link?
Example
http://w.soundcloud.com/player/?url=http%3A%2F%2Fapi.soundcloud.com%2Ftracks%2F46911134&auto_play=false&show_artwork=true&color=ff7700&download=true&sharing=false
Thanks
This is actually the intended behaviour. A lot of the time, the widget is displayed in a relatively small frame, and showing all the buttons creates too much visual clutter. A redesign (to use icons, for example) is coming, but I can't give you a date on when that will be ready. In the meantime, the documentation will be updated.

Don't stop the iPod music [closed]

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Is there a way to not stop the iPod music when I start my app in the iPhone?
Because when my app is launched, the music stops.
Thanks!
It depends what code and sound Library you are using in your application
adding MediaPlayer.framework will help you solve the issue quickly
Take a look at this post http://oleb.net/blog/2009/07/the-music-player-framework-in-the-iphone-sdk/

Instant update on AppStore (websites like MobileRoadie and AppMakr) [closed]

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How do websites that allow user to make iPhone apps like MobileRoadie and AppMakr make immediate changes to the layout/font/color/style of your app even if your app is in AppStore? Don't they have to resubmit to the AppStore and wait like a week? Or they have some sort of contract with Apple?
Thanks.
It could be achieve using some sort of websevices. Suppose each images comes from web services and when you run the app through web services images downloaded into device and stored into device.

iPhone programming - How to create a movie file from muti images and save it in iPod library? [closed]

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It is possible to do that?
please give me a hint.
I would investigate ffmpeg, specifically libavcodec - this will allow you to convert static images in to a movie file (assuming you can get it to compile for iOS).
As far as adding to the iPod library is concerned, you aint going to be able to do that - you can read from the library from within an iOS app, but not write to it.