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2021

Illustration: Embedding Audio in PDFs: Sound Annotations in Depth TUTORIALS  |  Android • Development • How To • PDF • Kotlin Embedding Audio in PDFs: Sound Annotations in Depth An introduction to PDF sound annotations.
Illustration: Converting an Image to PDF in Kotlin TUTORIALS  |  Android • Development • How To • Kotlin Converting an Image to PDF in Kotlin Learn how to convert an image to PDF using PSPDFKit for Android and Kotlin.
Illustration: Performing OCR on Android TUTORIALS  |  Android • Development • How To • Kotlin Performing OCR on Android A post showing how to use PSPDFKit for Android to perform OCR on scanned documents.

2020

Illustration: How Updating to Kotlin 1.4 Broke Our Linter Rules DEVELOPMENT  |  Android • Development • Kotlin How Updating to Kotlin 1.4 Broke Our Linter Rules How the update to Android Gradle plugin 4.1 and Kotlin 1.4 can break custom linter rules, and how to fix it.
Illustration: How to Create Multiple Redactions with Search on Android TUTORIALS  |  Android • Development • How To • Kotlin How to Create Multiple Redactions with Search on Android Learn how you can leverage the redaction functionality of PSPDFKit for Android to effectively remove text patterns from documents.
Illustration: Adding a Persistent Annotation Sidebar TUTORIALS  |  Android • How To • Kotlin Adding a Persistent Annotation Sidebar Learn how to put together all the components PSPDFKit provides to build a custom Annotation UI.
Illustration: Inserting an Image into a PDF on Android TUTORIALS  |  Android • Development • How To • Kotlin Inserting an Image into a PDF on Android We provide a step-by-step explanation of how to insert an image into a PDF on Android.

2019

Illustration: Persisting the Tabs State on Android BLOG  |  Android • Development • Kotlin Persisting the Tabs State on Android A blog post describing how to persist the tabs state inside PdfActivity.
Illustration: Merge PDF Documents on Android BLOG  |  Android • Development • How To • PDF • Kotlin Merge PDF Documents on Android We'll take a look at two ways to merge PDF documents on Android.
Illustration: How Do I Fix NetworkOnMainThreadException? BLOG  |  Development • Android • Kotlin How Do I Fix NetworkOnMainThreadException? A post detailing what NetworkOnMainThreadException is and how to prevent it.
Illustration: Kotlin Coroutines BLOG  |  Android • Kotlin • Development Kotlin Coroutines A look at Kotlin coroutines and how they compare to other solutions for concurrency.
Illustration: Handling Nullability in Your Code BLOG  |  Android • Development • Kotlin Handling Nullability in Your Code A brief excursion into the Java type system, nullability, and remedies for the billion-dollar mistake.
Illustration: Using the Bottom Navigation View in Android BLOG  |  Android • Development • Kotlin 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.

2018

Illustration: What Are Kotlin Contracts and How Are They Useful? BLOG  |  Android • Development • Kotlin What Are Kotlin Contracts and How Are They Useful? An overview of the experimental Kotlin Contracts API.
Illustration: RxJava for Multi-Level Data Retrieval BLOG  |  Android • Development • How To • Kotlin 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.
Illustration: Moving Your Gradle Build Scripts to Kotlin BLOG  |  Android • Development • Kotlin Moving Your Gradle Build Scripts to Kotlin Another take on writing your project's Gradle build files in pure Kotlin code.
Illustration: Async Stacktraces in Android Studio BLOG  |  Android • Java • Kotlin • Development Async Stacktraces in Android Studio How to create asynchronous stacktraces in Android Studio and IntelliJ.
Illustration: RxJava Is Async yet Blocking BLOG  |  Android • Development • Kotlin • RxJava RxJava Is Async yet Blocking An explanation of why RxJava is both asynchronous and blocking.
Illustration: Using Kotlin to Make the PSPDFKit API Even Better BLOG  |  Android • Development • Kotlin Using Kotlin to Make the PSPDFKit API Even Better Kotlin provides the ability to extend any class with new functionality, and we can use this to expand the PSPDFKit API.
Illustration: Simple Kotlin Tips for Beginners BLOG  |  Android • Development • Kotlin Simple Kotlin Tips for Beginners Useful tricks for beginners to start writing better code with Kotlin.

2017

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

2016

Illustration: A clean status bar with Android System UI and QuickDemo BLOG  |  Android • Development • How To • Java • Kotlin • Tools A clean status bar with Android System UI and QuickDemo How to enable Android's demo mode using a quick setting tile
Illustration: Restoring State in Android MVP Architecture BLOG  |  Android • Development • Java • Kotlin • MVP Restoring State in Android MVP Architecture State restoration is an important part of the Android framework, but we might encounter problems with it when implementing MVP architecture.
Illustration: Android animations powered by RxJava BLOG  |  Android • Development • How To • RxJava • Kotlin 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.