Simultaneously Download with NSOperation by Swift 3
September 14, 2017 AppleiOSSwiftXcode
Here is a sample application which Simultaneous download like iTunes.
Blending two DNG Images by using Core Image
July 4, 2017 DevelopmentiOSSwift
iOS Core Image has many filters. It can be able to handle the DNG/RAW image file. Here is a sample code.
Blending two images by using GPUImage 2
June 30, 2017 DevelopmentiOSSwift
GPUImage is awesome framework and GPUImage 2 also great which adopted Swift 3. Here is a simple blending sample.
UIButton.setTitle flickering suppression. Swift 3
When change the title in UIButton dynamically. There was flickering. It was caused by animation. Here is a work around.
Simple Calendar Sample for Swift 3 by using the JTAppleCalendar
April 18, 2017 DevelopmentiOSSwiftXcode
This article will introduce you how to create simple iOS App by using JTAppleCalendar.
Don’t start the Timer in callback. Swift 3.0
This is a kind of blunder when I used the interval timer in Swift 3.0.
How to record simultaneously microphone and player with AVAudioEngine, Swift 3.0
March 13, 2017 iOSPrototypingSwift
For instance, like Karaoke. In case of synchronized recording and playing audio. It is possible to realized by using AVAudioEngine. All source code is here. By using mixer node, you can add more inputs. Customize it yourself. Enjoy. Check it out.
iOS10: PCM Down sampling
February 26, 2017 iOSSwiftXcode
To solve this issue, spent over one week. AVAudioEngine inputNode(Mic) sampling rate is fixed at 44100 Hz. But I wanted to get the 16000 Hz PCM data. Code is simple. I used AVAudioConverter in installtap. Code is here.
AVAudioEngine Reverb On/Off
November 3, 2016 DevelopmentiOSSwift
When AVAudioEngine Reverb.bypass set to the false, Audio-signal has been muted. Why? This is one of the alternative code. Part of reverb on/off Sample code is here
Use case of the Static Cell with Swift 3.0
October 20, 2016 DevelopmentiOSPrototypingSwiftXcode
Easy to create if you use Static Cell. Also It can include UISwitch and UISegmentedControl and so on. This is sample for memorandum.