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I want to develop an iOS app which can upload an image from the device to be processed in an HIT on Amazon Mechanical Turk and the text result can be relayed back to the iOS device.
I know there is no native iOS API for Mechanical Turk, but is there a way to go around that by using something else perhaps?
Thanks!
You shouldn't use the Amazon API directly from your app, because in that case you would need to distribute your AWS access key & secret with the app. (I'll let you figure out why this would be bad thing)
You need a backend for your app, from where you'd send work items to the Amazon service, and notify the iOS app instance upon completion.
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We are developing an SDK for iOS which requires different apps on the same device to know each other and pass information between them.. This is required for battery consumption and network usage purposes.
Using custom UIPasteboard is not an option because the SDK will be hosted by apps from different companies.
Using openURL is not an option because it forces the target app to become foreground.
Our current idea consists of sending UDP packets between the different apps (each app listening on a different port).
Our questions:
1) Is there a simpler option?
2) Do you think that such a solution is somehow not allowed by Apple’s terms & conditions?
Because of limitations of iOS most reliable solution in this case would be using backend.
But if you still want to try - there is one option. You can use tools like GCDWebServer (https://github.com/swisspol/GCDWebServer and you can find more options) to set up local server on the device. Then you can use it to share resources. The problem here - is that you will not be able to run it in background all the time. You can investigate how you can make your app to run in background (using location updates or silent notifications) to check if this can satisfy your needs. Maybe your solution can be: combining backend server + local server + background app refresh
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I am a newbie in IOS development. I'm trying figure out how can I control (answer, reject, mute) incoming calls.
Thanks in advance.
UPDATE for iOS 10
We can now block unwanted calls.
Check the CallKit framework
The CallKit framework provides programmatic access to VoIP functionality, as well as call blocking and identification.
For iOS 9
You can't do that with your any application. These are system calls and you cannot reject, mute or control incoming calls by your development.
I don't know about jailbreak phones. May be you can do if you are in jailbreak mode and have access to private APIs.
But without jailbreak, you just can't do it.
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I have to do two way walkie talkie iOS app.. I searched a lot got information about 'push to talk service'. But can't get clear idea. May anyone can help me? How it works by iPhone for a particular channel... I got a iTunes link
https://itunes.apple.com/us/app/two-way-walkie-talkie/id595560554?mt=8
Can anyone tell me how this app works? Is they recorded and send voices to other user or they are sending live audio ? Also they are not getting any information from user..
Most walkie talkie apps are done by sending recorded audio file instead of sending live audio stream.
If you want to implement a record-and-forward type walkie talkie, you need to have a backend file server for storing temporary audio files which can be downloaded by the receiver side.
If you choose the hard way, i.e, sending live audio stream, it's another level of complexity. You're look at implementing literally a VOIP app. You may use PJSIP for your VOIP core functionality. However, you might end up spending months on the project in this case.
Personally, I strongly recommend you to go with the first one.
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I make youtube app for iphone. When my app state in background i want to get notification.
How to receive the notice on the come messages from youtube through ios push notification service? tnx!
Does Youtube provide push notifications? You'll have to figure out how they register devices, and use the same method in your own app. Alternatively, you'll want to set up your own push server that scrapes Youtube or uses an API to interface with Youtube, so that it knows when to send push messages.
well you would need to use the JSON feed they have to get the info (ping it every 10/30 minutes via cron then if it sees a new video get it to send the message, if you search "advance ios apns" you will get a site/script that will send the notifications for you (to the apple devices)
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I want to connect to facebook chat from my delphi application , change the status message or post something on the wall? Do u know any way i can acomplish this ?
If you want to connect to Facebook Chat with Delphi, check out this XMPP library for Delphi. Facebook chat uses XMPP as its communication protocol.
If what you want is change your Facebook status or post some stuff to the wall, you need to use Facebook API through Delphi. Maybe taking a look al Delphibook might help.
Face book chat uses the XMPP or Jabber Protocol
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Exodus is what we plan on trying in house, http://code.google.com/p/exodus/
As For Posting things on the wall, i think you have to register with Facebook to use the Facebook API