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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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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 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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Apple's SDK agreement limits an applications' scope of data access, but has anyone found how to log any of the following information (even if it has been shut down by apple)?:
Operating System,
OS Version,
Network Name,
Technology,
Device,
Latitude,
Longitude,
Time,
RSSI,
RSRP,
RSRQ,
RSSNR,
Cell ID,
Ping Time,
Packet Loss,
Ping Success Rate,
Download Speed,
Upload Speed,
Call Event Type,
This can be accomplished fairly easily on Android, but I'm trying to find a way to collect this data on iOS where there are more roadblocks in the way. All feedback is greatly appreciated.
Even if you have been rejected by Apple but you've found how to get this info, how'd you do it? Ultimately I'd like to create an app that can log this data in a passive way (doesn't need to be open), but active logging would work too.
For Latitude, Longitude, I think you can get using locationManager from Core Location. This provided that the user of the app allows you to get the location.
To know the network status, you may try Reachability sample code by Apple
https://developer.apple.com/Library/ios/samplecode/Reachability/Introduction/Intro.html
I don't think you can get as much information from iOS compare with Android as Apple really cares about the Privacy of it users.
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I have read about what most people say that it is not possible to create iOS applications for the app store that is able to record calls as there are no public frameworks available that has this function. In this situation it means to record phone calls directly using the default phone app provided by Apple.
However, I have also came across several app store applications that records phone calls. While there are no public frameworks that that are able to record calls, I believe these applications in the app store uses VOIP (such as Viber). I know the difference between VOIP and direct call recording that VOIP delivers voice communications over Internet Protocol (IP) networks, such as the Internet.
My question is how VOIP is called from code in applications. Is VOIP called from some public frameworks since private frameworks are not allowed in the appstore?
Edited: Removed 2nd question
These apps are not recording Phone.app calls from the device. Think of it like Skype or a similar service for your computer. Although your computer cannot make calls, services can use VOIP (Voice Over IP) to send audio data to a server. The same thing is happening with these App Store apps.
A user downloads a call recording app on the App Store.
The user makes a phone call to someone from WITHIN THE APP THEY DOWNLOADED.
The app starts sending voice data to the server and THE SERVER proxies the call to the destination number. You will notice that the interface for the "end call" button and dial pad are different, this is because Phone.app is not being used.
Now that the app is just sending it's own audio data, it has access to and can record it.
The open source application, siphon, is a great example of how VOIP can be implemented using Objective-C in an iOS app.
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I need to create a live event with specific dates and scheduled times on Youtube. The content itself is pre-recorded video, but I want to showcase it in a "live" manner so that users can't skip ahead. After each individual live event comes to a finish, I then want the video to be archived so users can freely watch it on our youtube channel.
Any help or info would be greatly appreciated!
Do you have to do it via youtube itself ? If yes, then you will have to enable "Live" streaming feature in your account. Looks like you will have to be eligible to have it enabled.
http://www.youtube.com/live/all
If its enables, you can push your pre-recorded video files to the google's publishing point. For that you can use any supported media encoders. More info can be read here on how to set it up.
https://support.google.com/youtube/answer/2907883?hl=en&ref_topic=2853713
Once thats setup, you can stream events as if its a real live event !