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2022

Illustration: Programmatically Editing a PDF Using Java TUTORIALS  |  Java • Kotlin • PDF • How To Programmatically Editing a PDF Using Java How to use PSPDFKit Library for Java to perform various editing operations on a PDF document programmatically.
Illustration: Java-to-Kotlin Conversion Best Practices BLOG  |  Android • Kotlin • Insights Java-to-Kotlin Conversion Best Practices This blog post provides a few handy tips for performing Java-to-Kotlin conversion.
Illustration: How We Expose Jetpack Compose APIs DEVELOPMENT  |  Android • Kotlin • Jetpack Compose • Insights How We Expose Jetpack Compose APIs A few lessons we learned about API design for modern Android.

2021

Illustration: Autosizing Fonts for Android EditTexts DEVELOPMENT  |  Android • Kotlin • Tips Autosizing Fonts for Android EditTexts Transfer Android's TextView autosizing capability to EditTexts
Illustration: Introducing Jetpack Compose Support DEVELOPMENT  |  Android • Kotlin • Jetpack Compose • UI/UX Introducing Jetpack Compose Support The Android PDF SDK you know and love now supports Jetpack Compose!
Illustration: Opening a PDF in a Jetpack Compose Application TUTORIALS  |  Android • Kotlin • How To • Jetpack Compose • PDF Opening a PDF in a Jetpack Compose Application How to open a PDF in a Jetpack Compose application.
Illustration: Creating and Filling Out Forms Programmatically on Android TUTORIALS  |  Android • Kotlin • Java • How To Creating and Filling Out Forms Programmatically on Android This blog post shows how to create and fill out forms programmatically on Android.
Illustration: Avoiding Primitive Type Saturation in Kotlin DEVELOPMENT  |  Android • Kotlin Avoiding Primitive Type Saturation in Kotlin Enough of fun getString(string: String): String – let's make greater use of Kotlin's powerful type system.
Illustration: Embedding Audio in PDFs: Sound Annotations in Depth TUTORIALS  |  Android • Kotlin • PDF • How To • Annotations Embedding Audio in PDFs: Sound Annotations in Depth An introduction to PDF sound annotations.
Illustration: Converting an Image to PDF in Kotlin TUTORIALS  |  Android • Kotlin • How To Converting an Image to PDF in Kotlin Learn how to convert an image to PDF using PSPDFKit for Android and Kotlin.
Illustration: Digital Signing on Android TUTORIALS  |  Android • Kotlin • Security • Signing • PDF • How To Digital Signing on Android How digital signing and contained signatures on Android work.
Illustration: Performing OCR on Android TUTORIALS  |  Android • Kotlin • How To 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 • Kotlin • Insights 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 • Kotlin • How To • Redaction 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: Think First, Code Later DEVELOPMENT  |  Android • Kotlin • Tips • Productivity Think First, Code Later A case study on how we design features and APIs for PSPDFKit for Android.
Illustration: How to Reduce Flakiness in Automated UI Testing on Android 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.
Illustration: How to Merge Two or More PDFs into a Single PDF Using Java (or Kotlin) TUTORIALS  |  Java • Kotlin • PDF • How To How to Merge Two or More PDFs into a Single PDF Using Java (or Kotlin) Learn how to merge multiple PDFs in Java (or Kotlin) the simple way — with code examples, explanations, and extra features.
Illustration: Change Android Themes Instantly Using the Circular Reveal Animation 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.
Illustration: Inserting an Image into a PDF on Android TUTORIALS  |  Android • Kotlin • PDF • How To 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 TUTORIALS  |  Android • Kotlin • How To Persisting the Tabs State on Android A blog post describing how to persist the tabs state inside PdfActivity.
Illustration: How We Improved Keyboard Navigation Accessibility in Our Android SDK 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.
Illustration: Add a Watermark to a PDF on Android TUTORIALS  |  Android • Kotlin • PDF • How To Add a Watermark to a PDF on Android How to add a watermark to a PDF on Android.
Illustration: Merge PDF Documents on Android TUTORIALS  |  Android • Kotlin • PDF • How To Merge PDF Documents on Android We'll take a look at two ways to merge PDF documents on Android.
Illustration: What Is an Intent? DEVELOPMENT  |  Android • Kotlin • Java • Insights What Is an Intent? An overview of intents, their uses, and pitfalls to consider.
Illustration: How Do I Fix NetworkOnMainThreadException? DEVELOPMENT  |  Android • Kotlin • Tips How Do I Fix NetworkOnMainThreadException? A post detailing what NetworkOnMainThreadException is and how to prevent it.
Illustration: Open a PDF in an Android App TUTORIALS  |  Android • Kotlin • PDF • How To Open a PDF in an Android App This article presents existing free or open source libraries for opening PDF files in Android apps.
Illustration: Retaining Objects Using a Fragment DEVELOPMENT  |  Android • Kotlin • Tips Retaining Objects Using a Fragment An overview of how to use a fragment to retain objects during a configuration change.
Illustration: Kotlin Coroutines DEVELOPMENT  |  Android • Kotlin • Insights Kotlin Coroutines A look at Kotlin coroutines and how they compare to other solutions for concurrency.
Illustration: Using ViewModels to Retain State on Android 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.
Illustration: Sharing Business Logic Using React Native DEVELOPMENT  |  Android • Kotlin • JavaScript • React Native Sharing Business Logic Using React Native Not only can React Native be used to provide the UI for your application, but it is also a convenient way to share business logic.
Illustration: How to Test REST API Clients in Android Apps 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.
Illustration: Using the Bottom Navigation View in Android 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.

2018

Illustration: What Are Kotlin Contracts and How Are They Useful? DEVELOPMENT  |  Android • Kotlin • Insights What Are Kotlin Contracts and How Are They Useful? An overview of the experimental Kotlin Contracts API.
Illustration: RxJava for Multi-Level Data Retrieval 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.
Illustration: Moving Your Gradle Build Scripts to Kotlin 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.
Illustration: Ways to Create a PDF on Android TUTORIALS  |  Android • Kotlin • How To • PDF Ways to Create a PDF on Android We look at the different ways of creating a PDF on Android.
Illustration: Async Stacktraces in Android Studio DEVELOPMENT  |  Android • Java • Kotlin • Tips Async Stacktraces in Android Studio How to create asynchronous stacktraces in Android Studio and IntelliJ.
Illustration: RxJava Is Async yet Blocking DEVELOPMENT  |  Android • RxJava • Kotlin • Insights 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 DEVELOPMENT  |  Android • Kotlin • Insights 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 DEVELOPMENT  |  Android • Kotlin • Insights Simple Kotlin Tips for Beginners Useful tricks for beginners to start writing better code with Kotlin.

2017

Illustration: Secure Media Playback on Android DEVELOPMENT  |  Android • Kotlin • Java • Security Secure Media Playback on Android Picking smart defaults with security in mind when playing videos on Android.
Illustration: Writing Concise Code with Kotlin and RxJava 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.

2016

Illustration: A clean status bar with Android System UI and QuickDemo 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
Illustration: Restoring State in Android MVP Architecture DEVELOPMENT  |  Android • Java • Kotlin 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 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.
Illustration: Kotlin-Ready Online Guides DEVELOPMENT  |  Android • Kotlin Kotlin-Ready Online Guides Our Guides received a large update – now with Kotlin usage examples.