open-menu closeme
Home
Development icon
Apple Dev Android Dev Firebase Software Biz
About icon
Profile Portfolio Résumé
linkedin mastodon github rss
  • Bridging Javascript and WKWebkit

    calendar Jun 21, 2021 · 7 min read · JavaScript iOS UIKit  ·
    Share on: twitter facebook linkedin copy

    Many mobile applications incorporate remote web pages, either as passive (static) content — or as in this case as integral parts of the UI. Using the WebKit/WKWebView techniques presented here, your native apps can be better integrated with web content and provide a superior experience to end-users. Two-way Integration …


    Read More
  • Creating an iOS bar chart in code using Swift and UIKit

    calendar Feb 3, 2021 · 12 min read · Data Viz iOS UIKit  ·
    Share on: twitter facebook linkedin copy

    In this post, I'll build a simple bar chart in code, and add it to a the default UIViewController created by an Xcode template project. The techniques you'll learn in this article are: Creating a UIView entirely in code Adding Auto Layout constraints to views in the hierarchy using code Calculating view sizes and …


    Read More
  • Capture a UIView as image using Swift

    calendar Jan 4, 2021 · 3 min read · iOS UIKit  ·
    Share on: twitter facebook linkedin copy

    This technique demonstrates the simple but useful task of capturing the contents of a UIView as a JPEG image data object. The resulting Data object can be written to a .jpg file, uploaded to a web service, or sent as an e-mail attachment (as is covered in this related post). Application This technique is relatively …


    Read More
  • Sending Email with Image Attachments in Swift

    calendar Jan 4, 2021 · 4 min read · iOS UIKit  ·
    Share on: twitter facebook linkedin copy

    Sending content from an iOS application to external sources like email is a common requirement. This quick post summarizes the steps to implement this feature. Aa an added twist, the project used for this technique post includes capturing an image from one of the app's UIViews. Below is a video demo of the application …


    Read More
  • Drawing with Core Graphics using Swift

    calendar Jan 3, 2021 · 4 min read · UIKit iOS  ·
    Share on: twitter facebook linkedin copy

    This techique illustrates a mid-level technique: impelmenting custom Core Graphics drawing in a UIView. Often a custom effect in a View can be implemented by adding subviews and positioning them with constraints. But other times, you just need to take over and draw what you need. In those cases--CoreGraphics to the …


    Read More

Categories

APPLE 23 PROGRAMMING 13 FIREBASE 4 ANDROID 3 STRATEGY 2

Series

COMPARATIVE-SYNTAX 4

Tags

SWIFT 16 IOS 12 KOTLIN 10 JAVASCRIPT 9 UIKIT 5 SWIFTUI 4 BACKEND 3 ARDUINO 2 BLUETOOTH 2 CLOUD-FUNCTION 2 ESP32 2 JETPACK-COMPOSE 2 APP-STORE 1 DATA-VIZ 1
All Tags
APP-STORE1 ARDUINO2 BACKEND3 BLUETOOTH2 CLOUD-FUNCTION2 DATA-VIZ1 ESP322 GOOGLE-CLOUD1 IN-APP-PAYMENTS1 IOS12 JAVASCRIPT9 JETPACK-COMPOSE2 KOTLIN10 MACOS1 SWIFT16 SWIFTUI4 UIKI1 UIKIT5 XCODE1
[A~Z][0~9]

Recent Posts

  • Awaiting Kotlin suspend functions in serial, parallel and lazy startup modes
  • Filtering Collections in Swift, Kotlin and JavaScript
  • REPL Tool Reference
  • Android Jetpack Compose View Model Eventing Architecture
  • Using Firebase Auth claims with Swift, Kotlin and JavaScript
  • Simple For Loop in Swift, Kotlin and JavaScript
  • URL Encoding GET parameters in Swift
  • Async/Await Syntax in Swift, Kotlin and JavaScript

Copyright  Rob Kerr. All Rights Reserved

to-top