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Is it possible to print text to bluetooth printer using react native? There are libraries for bluetooth ble, but it's not clear how to do that.
Some ble library and this too
Thanks a lot for your response
I found the function by using react-native-bluetooth-serial, the example is working with some changes. But in the documentation, it's not clear how to do print. Just use the write function in the example, write parameter is string. Add the '\n' after write parameter and it will work.
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Is there a way to add custom video property to SDP? We would like to inform that transmitted video should be cropped to fit the remote screen.
As we are using Janus videoroom plugin also this information must be preserved after passing it.
Regarding Janus, it is not possible. See https://groups.google.com/forum/#!topic/meetecho-janus/Hj1vnR7ZPiw.
It is possible after this article.
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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
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I am using the OpenCv Library for the object detection.
I downloaded the given example of face detection. In this example they are using haarcascade_frontalface_default.xml.
I have to detect Nail in hand. Please suggest me how can I do it?
I also saw this-
http://docs.opencv.org/doc/tutorials/features2d/detection_of_planar_objects/detection_of_planar_objects.html#detectionofplanarobjects
Please suggest me how I detect nail in hand.
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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/
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Is there any way of getting a list of, say 4, recently opened Applications? If so, how?
(Cocoa Mac)
Have a look at the LaunchServices/LSSharedFileList.h header file. Unfortunately, the functions in this file are not documented in the Xcode docs, but the comments in the file are very good. Basically, you create a reference to the list of recently opened applications by passing kLSSharedFileListRecentApplicationItems to LSSharedFileListCreate(). Then get an array of the current contents of the list with LSSharedFileListCopySnapshot().