Archive

2022

DEVELOPMENT  |  iOS • Swift • Tips Adding a Document Viewer to a Mac Catalyst App We discuss how a PDF document viewer can be added to a Mac Catalyst app using the PSPDFKit SDK.

DEVELOPMENT  |  C++ • Office • Tips Testing Subjective Office Conversion Results How to test an Office to PDF conversion result that one would deem great and others would deem poor.

DEVELOPMENT  |  Machine Learning • NLP • PDF • Tips Summarize a PDF Document Using Machine Learning and Natural Language Processing In this blog post, I'll show the quickest possible way to summarize a PDF document using machine learning and a natural language processing model called BART.

DEVELOPMENT  |  Android • Tips How to Load OBJ Files with MTL in Android Loading .obj files with .mtl using Three.js in Android.

DESIGN  |  Web • Processor • API • PDF Generation • Tips Adding Custom Fonts to HTML Documents How to add custom fonts to HTML and use PDF Generation to create documents.

COMPANY  |  Tips • Productivity Productivity Tips When Switching from a PC to a Mac Improving productivity when switching from a PC to a Mac.

TUTORIALS  |  Annotations • JavaScript • Tips PDF Annotations with JavaScript — A Complete Overview A comprehensive tutorial for managing JavaScript PDF annotations with PSPDFKit.

DESIGN  |  Web • Processor • API • PDF Generation • Tips HTML-to-PDF Invoice Generation with Headers and Footers How we enhanced our PDF Generation component by adding the option of headers and footers.

TUTORIALS  |  API • Python • Tips How to Delete PDF Pages Using Python Learn how to delete PDF pages with PSPDFKit API using Python.

TUTORIALS  |  API • PHP • Tips How to Merge PDFs Using PHP Learn how to merge PDFs with PSPDFKit API using PHP.

TUTORIALS  |  API • Python • Tips How to Merge PDFs Using Python Learn how to merge PDFs with PSPDFKit API using Python.

DEVELOPMENT  |  API • PDF Generation • Tips The Six Best PDF Generator APIs Learn how to evaluate and select the best PDF generator API for your use case.

TUTORIALS  |  API • Java • Tips How to Delete PDF Pages Using Java Learn how to delete PDF pages with PSPDFKit API using Java.

TUTORIALS  |  API • Java • Tips How to Merge PDFs Using Java Learn how to merge PDFs with PSPDFKit API using Java.

TUTORIALS  |  API • JavaScript • Tips How to Merge PDFs Using JavaScript Learn how to merge PDFs with PSPDFKit API using JavaScript.

TUTORIALS  |  API • JavaScript • Tips How to Delete PDF Pages Using JavaScript Learn how to delete PDF pages with PSPDFKit API using JavaScript.

TUTORIALS  |  API • PHP • Tips How to Delete PDF Pages Using PHP Learn how to delete PDF pages with PSPDFKit API using PHP.

TUTORIALS  |  API • Python • Tips How to Split PDFs Using Python Learn how to split PDFs with PSPDFKit API using Python.

TUTORIALS  |  API • PHP • Tips How to Split PDFs Using PHP Learn how to split PDFs with PSPDFKit API using PHP.

TUTORIALS  |  API • Java • Tips How to Split PDFs Using Java Learn how to split PDFs with PSPDFKit API using Java.

TUTORIALS  |  API • JavaScript • Tips How to Split PDFs Using JavaScript Learn how to split PDFs with PSPDFKit API using JavaScript.

DEVELOPMENT  |  iOS • SwiftUI • Tips Presenting Popovers on iPhone with SwiftUI How to present the UI as popovers on iPhone when using SwiftUI.

DEVELOPMENT  |  Web • JavaScript • Tips How to Download Multiple Files with JavaScript A step-by-step tutorial explaining how to download multiple files from a server with a single request.

DEVELOPMENT  |  Web • Server • Elixir • Tips Using SSL for PostgreSQL Connections on Elixir How to successfully establish and verify SSL connections against a PostgreSQL server from an Elixir application.

2021

BLOG  |  iOS • Tips Loading Images on iOS 15 We discuss the new iOS 15 APIs provided by UIKit for loading and displaying images and the SwiftUI APIs for loading an image from a remote URL.

DEVELOPMENT  |  Android • Kotlin • Tips Autosizing Fonts for Android EditTexts Transfer Android's TextView autosizing capability to EditTexts

DEVELOPMENT  |  iOS • Swift • Tips Fitting Text into a Bounding Frame on iOS How to use a binary search algorithm to precisely fit multiline text into a bounding frame on iOS.

DEVELOPMENT  |  Productivity • Tips • git How to Handle Stacked Pull Requests on GitHub This blog post describes how to deal with dependent pull requests on GitHub, as well as the git concepts you need to master to understand them.

DEVELOPMENT  |  Web • JavaScript • Tips Practical Uses of Object URLs Showcasing different applications of JavaScript object URLs in the browser.

DEVELOPMENT  |  iOS • Swift • Testing • Tips Swift Render Tests in Practice — Part III How to automate regenerating and updating reference images for render tests.

DEVELOPMENT  |  iOS • Swift • Testing • Tips Swift Render Tests in Practice - Part II How to improve test failures with attachments and grouping related test output.

DEVELOPMENT  |  iOS • Swift • Testing • Tips Swift Render Tests in Practice - Part I How to pragmatically approach render testing for custom drawing code.

DEVELOPMENT  |  iOS • Swift • Tips • Debugging Debugging Image Loading and Cropping Performance on iOS We talk about using the Image I/O and Core Graphics APIs to improve the image loading and cropping performance in the PSPDFKit iOS SDK.

DEVELOPMENT  |  PDF • Tips • Performance • Insights How a B-Tree Helped Reduce Memory Usage in Our Framework This blog post describes the approach we took to save around 15 percent of memory in our framework by first identifying bottlenecks, and then changing one of our dictionary implementations to use a specialized data structure known as a B-tree.

DEVELOPMENT  |  Web • Tips • Debugging • Insights How to Identify Browser Bugs Strategies to adopt for identifying browser bugs, and what to do after spotting one.

DEVELOPMENT  |  Web • Server • Elixir • Tips The Perils of Large Files in Elixir A post about dealing with large files in Elixir applications.

DEVELOPMENT  |  iOS • Swift • Tips Streams of Cocoa: Why It's Still Worth Knowing NSStream In this post, we'll look at a piece of API that many people rarely touch, if ever: Stream. It’s neither new nor shiny, but it's a powerful tool when you know how to use it.

DEVELOPMENT  |  C++ • Tips • Insights String Literals, Character Encodings, and Multiplatform C++ How string literals are encoded by Clang and MSVC.

DEVELOPMENT  |  iOS • Swift • Tips • SwiftUI • UI/UX • Accessibility Keyboard Navigation in SwiftUI SwiftUI wasn’t built with keyboard support in mind, and it shows. Learn how you can rewrite keyboardShortcut to work with iOS 13 and access the underlying navigation controller to pop views on ⌘-Left Arrow.

SOLUTIONS  |  iOS • macOS • Tips PSPDFKit for Magazines How to configure PSPDFKit for a magazine.

SOLUTIONS  |  iOS • macOS • Tips PSPDFKit for Construction How to configure PSPDFKit to display a building floorplan.

SOLUTIONS  |  iOS • macOS • Tips PSPDFKit for E-Readers How to configure PSPDFKit for an e-reader app.

SOLUTIONS  |  iOS • macOS • Tips PSPDFKit for E-Learning How PSPDFKit can be configured for taking and grading an e-learning exam.

DEVELOPMENT  |  iOS • Swift • SwiftUI • Tips Using the SwiftUI ColorPicker on iOS and macOS While macOS has offered a system-provided color picker since OS X 10.0 Cheetah, iOS developers had to wait a bit longer. Let's take a closer look at the new ColorPicker (SwiftUI) and UIColorPickerViewController (UIKit) controls.

SOLUTIONS  |  iOS • macOS • Tips PSPDFKit for Board Meetings How PSPDFKit can be used to create or join a collaborative editing session for a board meeting.

SOLUTIONS  |  iOS • macOS • Tips PSPDFKit for Aviation How to configure PSPDFKit to display a flight manual and passenger list documents.

DEVELOPMENT  |  C++ • Tips • Debugging Time Travel Debugging for C/C++ A quick look at reverse debugging/time travel debugging for C/C++.

2020

DEVELOPMENT  |  iOS • Swift • Tips Caching File Downloads with URLCache in Swift Apple has a sophisticated caching system in iOS, which is enabled by default. However, documentation around URLCache is quite sparse. Today, we'll look at the behavior of caching when dealing with large files.

DEVELOPMENT  |  Tips • Productivity Faster Compilation with Ccache 4.0 Ccache is a build cache to achieve faster compilation. With the 4.0 release, it now supports Modules, which makes it possible to accelerate projects that mix Objective-C and Swift.

DEVELOPMENT  |  iOS • Swift • Tips • SwiftUI • UI/UX Presenting Popovers from SwiftUI Is there a way to present UIKit popovers from toolbar buttons managed by SwiftUI?

DEVELOPMENT  |  Web • WebAssembly • Tips • Performance Migrating to the New Emscripten LLVM Backend We share the experience of migrating from the old Fastcomp backend to the new LLVM backend in Emscripten.

DEVELOPMENT  |  Swift • Tips • Debugging An Introduction to LLDB Reproducers An introduction to an experimental feature in LLDB, Reproducers, that helps reproduce bugs in the debugger itself.

DEVELOPMENT  |  Tips • Productivity • git A Better Way to Git Log to Understand Changes in a Big Codebase How git log information may not be enough when developers need to understand changes in a codebase that has evolved over several years.

DEVELOPMENT  |  Web • JavaScript • TypeScript • Tips Generate TypeScript Declarations from a Flow Codebase A short guide on how to generate TypeScript declarations from a Flow codebase.

DEVELOPMENT  |  iOS • Swift • Tips • UI/UX Level Up Your Trackpad Support Using UIInteraction How to make your iOS app work well with scrolling, secondary clicking and dragging on a trackpad or mouse.

DEVELOPMENT  |  Android • Kotlin • Tips • Productivity Think First, Code Later A case study on how we design features and APIs for PSPDFKit for Android.

DEVELOPMENT  |  C++ • Tips • Productivity IDEs and Text Editors for Writing C++ Code on a Large Scale This blog post compares different IDEs and text editors that can be used to write C++ in a big codebase.

DEVELOPMENT  |  iOS • macOS • Tips • Performance • Xcode Automated Profiling Runs in Instruments Learn how to automate measurement runs with Instruments.

DEVELOPMENT  |  C++ • Tips • Performance How to Effectively Measure the Performance of Your Code This blog post explains why software that performs well is important and how we measure code performance at PSPDFKit.

DEVELOPMENT  |  Android • Kotlin • Tips • Productivity • Testing How to Reduce Flakiness in Automated UI Testing on Android This blog post discusses tips and best practices on how to reduce flakiness in automated UI testing on Android.

DEVELOPMENT  |  iOS • Objective-C • Tips Preventing Surprisingly Large Objective-C Type Encodings Objective-C stores type encoding in the binary. These encodings can become surprisingly large.

COMPANY  |  Remote Work • Productivity • Tips 9 Tips to Help You Work Effectively from Home This article describes some strategies first-time remote workers should follow to get the most out of working from home. This is part two of four of our remote work series.

DEVELOPMENT  |  iOS • Swift • Tips • UI/UX • Insights Supporting Pointer Interactions Apple introduced new pointer events in iOS 13.4 to better support trackpad and mouse devices.

COMPANY  |  Culture • Remote Work • Productivity • Tips Remote Work: How to Overcome Common Struggles of Working from Home This article describes some struggles first-time remote workers may face and provides some strategies to help overcome them. This is part one of four of our remote work series.

DEVELOPMENT  |  C++ • Tips • Productivity Effective Header Management in C++ How we can reduce build times and clean up our header dependencies with effective header management.

DEVELOPMENT  |  Android • Kotlin • Tips • UI/UX Change Android Themes Instantly Using the Circular Reveal Animation This blog post investigates how to achieve nice animations when changing themes.

DEVELOPMENT  |  PDF • Tips • Insights Optimizing PDF File Size When editing PDFs, they often grow in size, but that doesn't have to be the case. Here's how we optionally optimize for size.

DEVELOPMENT  |  C++ • Tips • Testing Our Approach to Testing a Large-Scale C++ Codebase This blog post outlines the frameworks and techniques PSPDFKit uses to test its large-scale C++ codebase.

DEVELOPMENT  |  C++ • Tips • Performance Investigating the Performance Overhead of C++ Exceptions C++ exceptions have their place, but using an alternative is recommended for general program flow control.

DEVELOPMENT  |  C++ • Tips • Performance Compiler-Based Lock Checking in C++ A short introduction to compiler-based lock checking in C++ with Clang using Thread Safety Analysis

DEVELOPMENT  |  Tips • Productivity • git Moving a Git Repository into Its Submodule How we improved our Git repository setup by moving our PDF Viewer for iOS repository into our PSPDFKit repository.

DEVELOPMENT  |  iOS • Swift • Objective-C • Tips • UI/UX Adopting UIAppearance in Custom Views Learn how to support styling your own custom views using UIAppearance.

2019

COMPANY  |  Culture • Insights • Tips From Zero to Hero: How I Got a Full-Time Job in Tech A political scientist turned web engineer describes her journey of transformation. She also reveals a few aspects that can make or break an internship in tech (and in general).

DEVELOPMENT  |  iOS • Tips • UI/UX Open Links in Safari, Not Safari View Controller Why we changed our default for opening web links from SFSafariViewController to the Safari app.

DEVELOPMENT  |  Android • Kotlin • Tips • Accessibility • Insights How We Improved Keyboard Navigation Accessibility in Our Android SDK A look at the steps we took to start improving the accessibility of our Android SDK.

DEVELOPMENT  |  C++ • Python • Tips Making C++ Talk to Other Languages with SWIG Using SWIG to generate interfaces to talk to a C++ backend.

DEVELOPMENT  |  Web • Docker • Tips Docker import/export vs. load/save A blog post that explains the difference between the Docker import/export and load/save commands.

DEVELOPMENT  |  Android • Tips The Android Drag-and-Drop Framework in Practice Using the Android drag-and-drop framework — from theory to implementation.

DEVELOPMENT  |  Android • Tips Dealing with Large Memory Requirements on Android This article provides tips for optimizing memory usage of your apps.

DEVELOPMENT  |  Android • Kotlin • Tips How Do I Fix NetworkOnMainThreadException? A post detailing what NetworkOnMainThreadException is and how to prevent it.

DEVELOPMENT  |  Android • Java • Tips Performance Evaluation of Linked Lists Today we'll delve into the performance evaluation of linked lists, a controversial topic among many experienced developers, and try to understand why they trigger a warning in the Error Prone report.

DEVELOPMENT  |  Windows • Tips How to Await an Async Event Handler Delegate in UWP Asynchronous programming is hard, and the WinRT interface poses further issues. Learn how to implement a deferral to wait on a user action before completing additional work.

DEVELOPMENT  |  Web • JavaScript • Tips Smoother Interactions on the Web: getCoalescedEvents() How to use the getCoalescedEvents() method of the PointerEvent API to improve the precision of drawing apps or of any web application.

DEVELOPMENT  |  iOS • Swift • Tips Making a Resource Thread-Safe with Locks We discuss how to ensure thread safety and synchronization via locking.

DEVELOPMENT  |  C++ • Tips • Debugging When C++ Doesn't Move Move semantics in C++ make your code more efficient, but sometimes a move is not performed. In this blog post, we explore why.

DEVELOPMENT  |  Android • Tips The Soft Keyboard on Android Tips for working with the soft keyboard on Android.

DEVELOPMENT  |  iOS • Swift • Tips Swizzling in Swift A quick crash course on how to swizzle correctly, and how to do it in Swift 5.1

DEVELOPMENT  |  iOS • Swift • PDF • Tips Working with PDF Metadata in Swift How and what metadata can be stored in a PDF, and how to programmatically work with this information.

DEVELOPMENT  |  Android • Kotlin • Tips Retaining Objects Using a Fragment An overview of how to use a fragment to retain objects during a configuration change.

DEVELOPMENT  |  Android • Java • Tips • Insights Problems with Nullability Annotations A look at some issues with Android's nullability annotations and how to fix them.

DEVELOPMENT  |  macOS • Tips • Insights How Xcode Indexing Works and How You Can Fix IDE Problems with Your Projects This post provides an overview of how the code assistance feature in Xcode works and how you can debug code assistance problems in your projects.

DEVELOPMENT  |  Android • Tips Understanding Android Dimensions A post about existing Android dimensions, their purpose, and common conversion rules.

DEVELOPMENT  |  Windows • UWP • C# • C++ • Tips How to Use Native C++ in UWP How to include native C++ in your UWP app and call into it from C#.

DEVELOPMENT  |  Android • Tips How to Use Android App Bundles This blog post explains what Android App Bundles are and how to upload them to Google Play.

DEVELOPMENT  |  Tips The Many Benefits of Using a Monorepo A monorepo? Isn't that just a weird Facebook and Google thing? Why is PSPDFKit using a monorepo?

DEVELOPMENT  |  Android • Java • Tips Handling Nullability in Your Code A brief excursion into the Java type system, nullability, and remedies for the billion-dollar mistake.

DEVELOPMENT  |  Android • Kotlin • Tips • Jetpack Compose Using ViewModels to Retain State on Android How to use Android's ViewModel class to retain complex objects across configuration changes.

DEVELOPMENT  |  iOS • Swift • Tips • Debugging Adding Logging to Crash Reports Understanding crash reports is often difficult without extra context. Learn how we attach application logs to crash reports via Google's Firebase Crashlytics in the free PDF Viewer for iOS app.

DEVELOPMENT  |  Android • Tips What Are Configuration Changes? An overview of configuration changes on Android.

DEVELOPMENT  |  Productivity • Tips How Spaced Repetition Helps You Learn New Things We present spaced repetition as a learning technique that can help you be more efficient at work.

DEVELOPMENT  |  Android • iOS • Windows • PDF • Tips • Insights Incremental and Full Save in PDFs This article goes into what's involved when incrementally or fully saving a PDF, and why it matters.

DEVELOPMENT  |  Android • Kotlin • Tips • Instant How to Test REST API Clients in Android Apps This article shows how we built simple and flexible integration tests for PSPDFKit Instant that are using a custom abstraction layer on top of an OkHttp mocked web server.

DEVELOPMENT  |  Tips What Is Ninja Refactoring, and When Should You Consider Doing It? Tips and best practices for code refactoring.

DEVELOPMENT  |  Android • Java • Tips Saving the Activity State An overview of how to make sure your activity state is saved.

DEVELOPMENT  |  iOS • macOS • Swift • Objective-C • Tips Writing and Maintaining Good Code Documentation Tips, tricks, and techniques for documenting your code the correct way.

DEVELOPMENT  |  Android • Kotlin • Tips Using the Bottom Navigation View in Android An introduction to implementing bottom navigation in your app with a simple example that incorporates synced page switching as well.

DEVELOPMENT  |  C++ • Tips • Insights Visual Studio Code for C++ How to use Visual Studio Code for C++ development.

DEVELOPMENT  |  Android • Tips • Debugging Inspecting APK Files This article discusses the basics of Android reverse engineering using the Apktool, smali, and Java decompilers.

2018

DEVELOPMENT  |  Android • Tips How to Increase the Logcat Buffer Size Don't lose your logs. Increase your logcat buffer!

PRODUCTS  |  Cordova • Electron • Flutter • React Native • Xamarin • Tips Supporting Hybrid Technologies We support all major hybrid technologies, including Cordova, Electron, Flutter, Ionic, React Native, and Xamarin.

DEVELOPMENT  |  iOS • Swift • C++ • Open Source • Tips Tips and Tricks for Contributing to the Swift Language This post describes the process for contributing code to the Swift programming language, including how to propose changes to the language, write a pull request, address feedback, and make your code part of the next version of the language.

DEVELOPMENT  |  iOS • Tips Creating an Efficient App Store Screenshot Workflow A look at how we generate our screenshots for the iOS App Store.

DEVELOPMENT  |  Android • Tips Using Paths to Draw Shapes with Borders How to use a flexible path API to draw complex shapes with borders.

DEVELOPMENT  |  Tips How to Use Docker Compose to Run Multiple Instances of a Service in Development In this blog post, we’ll look at an example of how we can run multiple instances of a service with Docker Compose.

DEVELOPMENT  |  iOS • Tips Refactoring Large Codebases: Tips and Tricks If you're going to fall down a rabbit hole anyway, you might as well enjoy it!

DEVELOPMENT  |  iOS • Tips Improving Dynamic Type Support How to improve Dynamic Type support in your app and bring it to the next level.

DEVELOPMENT  |  iOS • Debugging • Tips How to Extend LLDB to Provide a Better Debugging Experience Explore the extensibility capabilities of LLDB, a debugger for Swift, C, C++, and Objective-C code.

PRODUCTS  |  iOS • Android • Web • Tips Examples for Using Our Frameworks Here at PSPDFKit, we believe doing practical work is the best way to learn things, so we decided to create a few example apps to help customers explore our framework.

DEVELOPMENT  |  Tips Naming Is Hard — Difficulties of Naming Variables Is naming a variable so hard? According to Martin Fowler, it is. In this blog post, I'll try to shed some light on what naming entails and why it's a challenge.

DEVELOPMENT  |  Tips Naming Classes — Why It Matters, and How to Do It Well Tips for choosing good class names.

DEVELOPMENT  |  Elixir • Tips How to Parse XML Documents in Elixir A tutorial on how to parse XML documents in Elixir.

DEVELOPMENT  |  UWP • Windows • Tips Debugging WebView in UWP Apps with Edge DevTools We show how a developer can use Edge DevTools to debug a WebView in a UWP app.

DEVELOPMENT  |  Android • RxJava • Kotlin • Tips RxJava for Multi-Level Data Retrieval RxJava can be useful for many things, and in this post, we’ll have a look at how to use it to add offline support to your app.

DEVELOPMENT  |  Elixir • Tips Database Transactions with Ecto How to use database transactions and Ecto.Multi in Elixir

DEVELOPMENT  |  Web • Tips Immutable.js and Lazy Evaluation A short introduction to Immutable.js and how lazy operations improve performance and readability of your code.

DEVELOPMENT  |  Tips Modern CMake Tips There are better ways to write CMake scripts.

DEVELOPMENT  |  Elixir • Tips How to Build a Back-Pressure Queuing System in Elixir with sbroker Tutorial on how to set up a back-pressure queuing system in Elixir with sbroker.

DEVELOPMENT  |  Web • JavaScript • Tips An Introduction to Stimulus.js In this article, we'll look at the Stimulus JavaScript framework and how it can help bring some order to a website's frontend codebase.

DEVELOPMENT  |  Android • Kotlin • Tips Moving Your Gradle Build Scripts to Kotlin Another take on writing your project's Gradle build files in pure Kotlin code.

COMPANY  |  Culture • Remote Work • Tips How to Use Slack and Not Go Bananas Slack is both amazing and awful. At a time when many companies quit Slack, we refined our processes to make it work well for us.

DEVELOPMENT  |  Android • Tips Tips for Designing an Android Library We take a look at some of the things you should keep in mind when designing an Android library.

DEVELOPMENT  |  Android • Java • Kotlin • Tips Async Stacktraces in Android Studio How to create asynchronous stacktraces in Android Studio and IntelliJ.

DEVELOPMENT  |  Tips How to Manage Multiple System Configurations Using Docker Compose This blog post is a short introduction to Docker Compose and will explain how we use it to manage different system configurations that are built off the same base configuration.

DEVELOPMENT  |  Android • Tips Hints for Beginners Navigating Around New Code We share some tips on how to navigate a new codebase.

DEVELOPMENT  |  Tips Using webpack with Middleman We explain how to integrate Middleman and webpack to boost your frontend productivity.

DEVELOPMENT  |  iOS • Tips Leveraging SQLite Full-Text Search on iOS We look at SQLite’s FTS extension and how you can use it to add high performance search to your app.

DEVELOPMENT  |  PDF • Tips • Forms Forms in PDF Forms provide a simple yet flexible way to gather data from users.

TUTORIALS  |  Web • WebAssembly • Tips • PDF Viewer Deploy a WebAssembly-Based PDF Viewer to the Cloud with One Command In this blog post, we show how easy it is to deploy our standalone, WebAssembly-powered version of PSPDFKit for Web to ZEIT’s now.sh, a cloud provider.

DEVELOPMENT  |  Elixir • Tips How to Run Your Phoenix Application with Docker We’re taking a look at how to run Elixir applications within a Docker container, and how that can simplify the setup of development and deployment environments.

DEVELOPMENT  |  Android • Productivity • Tips Android Studio Shortcuts: How to Boost Your Productivity The best shortcuts for Android Studio. The most famous and the most underrated.

2017

DEVELOPMENT  |  iOS • Swift • Instant • Tips How to Use iOS Data Protection How apps can use iOS Data Protection to secure their files.

DEVELOPMENT  |  C++ • Objective-C • Java • JavaScript • Tips Linting and Code Formatting at PSPDFKit How we do code formatting in C++/Objective-C/Java/JavaScript

DEVELOPMENT  |  iOS • Android • Tips • UI/UX Creating Better User Experiences with Animations and Lottie Improving an app’s User Experience made easy by adding animations powered by Lottie.

DEVELOPMENT  |  Android • Kotlin • RxJava • Tips Writing Concise Code with Kotlin and RxJava Tips and tricks how to write readable, concise, and beautiful code using the Kotlin language and RxJava.

DEVELOPMENT  |  Web • React • Tips How to Build a Freehand Drawing Using React We implement a simple vector-based freehand drawing with React using SVG.

DEVELOPMENT  |  Android • Tips • Debugging How to Fix a Bug, Blindfolded. This is a story about fixing a bug, even when all the tools go kaput.

COMPANY  |  Culture • Remote Work • Tips Making the Most of Remote Work At PSPDFKit, we strive to hire the best people for the job, regardless of where they are in the world. Here, I want to share how I’ve been making the most of remote work.

DEVELOPMENT  |  iOS • Objective-C • Tips The Struggle with Action Extensions Pitfalls when developing a Share or an Action Extension

2016

DEVELOPMENT  |  iOS • Tips Hiding Your Action and Share Extensions In Your Own Apps

DEVELOPMENT  |  Android • Kotlin • Java • Tips A clean status bar with Android System UI and QuickDemo How to enable Android's demo mode using a quick setting tile

DEVELOPMENT  |  Android • Kotlin • RxJava • Tips Android animations powered by RxJava The purpose of this post is to show you how to combine RxJava features with animations on Android to create a great user interface without a lot of nested code.

DEVELOPMENT  |  iOS • Debugging • Tips Debugging a specific instance with scripted breakpoints When debugging an issue that is somewhere deep inside your code, you easily end up debugging a class that has lots of living instances. Sometimes, you are only interested in a very particular one. This can become very tedious work.

COMPANY  |  Culture • Remote Work • Tips Hiring a distributed team Who you hire can have a dramatic effect on your team’s culture, company’s productivity and, overall, is the most influential factor in determining the success or failure of a company. Over the past six years at PSPDFKit, we’ve slowly learned what’s important, what works, and what doesn’t work, at least for us.

DEVELOPMENT  |  iOS • Debugging • Tips Writing Good Bug Reports At PSPDFKit, we work every day to read through developers' bug reports. In fact, we forward many of them to the engineers at Apple. While this post is Apple-centric, many details can be applied to any sort of bug reporting.

DEVELOPMENT  |  iOS • Objective-C • Tips • UI/UX Spicing up status messages At PSPDFKit, we likely spend just as much time polishing the UI as we do implementing PDF features or tweaking the performance. Here's a look at how one of our developers explored improving our status messages.

DEVELOPMENT  |  iOS • Tips Preventing Popovers on Popovers

DEVELOPMENT  |  iOS • Tips Efficient iOS Version Checking

DEVELOPMENT  |  Testing • Tips Selective Pull Request Testing

DEVELOPMENT  |  Android • Java • UI/UX • Tips Keyboard Handling on Android

DEVELOPMENT  |  iOS • Tips Adding live search to Jazzy docs

DEVELOPMENT  |  iOS • Tips • Debugging Debugging Rotation Issues