Android WiFi protocol and Bluetooth Stack version wringer. [closed] - printing

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I am working on an app that will be printing to a Bluetooth and/or Wifi printer (device links below) from an Android device, and I was wondering if the Bluetooth stack and Wifi protocol in Android 2.2 is the same as 4.1-4.2, or if its been changed. Any related information will be helpful!
Thank you in advance.
Brother Ruggedjet 4030
Brother Ruggedjet 4040

As you may see from the links below, Android's Bluez-based (http://www.bluez.org) bluetooth stack has been replaced in version 4.2 with Broadcom's stack (therefore starting from Android API17).
I don't know how this change will impact existing API's.
Links:
http://www.broadcom.com/press/release.php?id=s721534
http://developer.android.com/about/versions/jelly-bean.html

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We have already build a website. Is there any way to convert that website into mobile iOS app and make sure that it follows the iOS standards?
It is technically possible (easy, even) but Apple's guidelines specifically say that apps that are just repackaging of a website will be rejected, so no, your approach is a non-starter.
This can be doable using cordova as a wrapper application. But this application will be rejected by Apple. We faced same issue couple of months back, this kind of app accepted in google play but not in apple app store.

From my iOS app, How is it possible to set ringtone(default phone), alarm (default alarm), default notification, contact..? [closed]

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My app contains sound/audio files.
Are following is possible? if yes, how ? please give some sample code.
(1) set ringtone(default phone) ?
(2) alarm (default alarm) ?
(3) default notification ?
(4) contact tone ?
SET these things from my app (audio files in my project)
Thanks in advance.
Its not possible to do any OS level settings changes from any private application. You can not change alert/ringtone/notification sound.
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I'm an novice apple developper, actually working on Ios project for iOS 9 on xcode. I'm working as a freelance for a client, and this client needs an app to stream music.
This app must be capable to share music, it means :
A user has a music on his phone and turn on the "share mode", wich enable other users around him to connect to his iPhone and listen to the same music.
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Thanks for any anwer.
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https://robots.thoughtbot.com/streaming-audio-to-multiple-listeners-via-ios-multipeer-connectivity

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I made an app. Now I want to close an other app (not mine) - does anybody here know how that is going to work?
I don't want to publish the App in the App Store - so it is only for private purposes but I dont want to jailbreak my iPhone.
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Can I use Google map direction APIs to draw poly line on apple maps (obviously on the mapView) in iOS6?
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