android - Jason Pearson

Jason Pearson

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android

My Android learnings

SoftRefLRUPolicyMSPerMB in JVM Builds

SoftRefLRUPolicyMSPerMB in JVM Builds

One small change that gets you a little bit of memory back.

CodeCache in JVM Builds

CodeCache in JVM Builds

Understanding how the JVM caches compiiled native code.

Metaspace in JVM Builds

Metaspace in JVM Builds

A journey in memory outside the JVM heap into metaspace.

Android App Bundle Crashing on ResourceNotFound

Android App Bundle Crashing on ResourceNotFound

Android App Bundle has been a required format for Play Store app uploads for years now, but there is still an important gotcha that requires special handling. When a user restores a backup or sideloads an APK that was derived from the AAB format, that APK might not have the

Fixing a crash in ViewGroup offsetRectBetweenParentAndChild

Fixing a crash in ViewGroup offsetRectBetweenParentAndChild

Description I was a tracking an originally low volume bug for about 6 months that gradually worked its way into our top crashes. The stacktrace had the clue all along but I kept missing what it was pointing out. android.view.ViewGroup.offsetRectBetweenParentAndChild (ViewGroup.java:6296) android.view.ViewGroup.offsetDescendantRectToMyCoords

Android App Bundle & Google App Signing

Android App Bundle & Google App Signing

Google announced over in 2020 that all new apps will be required to upload the AAB format and gave it a hard deadline of August 2021. There were a lot of opinions at the time about the ramifications and I wanted to take the opportunity to analyze what AAB and

Android Tests

Naming things is hard in software, but when I saw a question about types of Android tests I was surprised to find several separate references to these, some of which conflict with each other. Here's my take on Android tests and how to apply generic software testing definitions to them.

Billing on Android, Goodbye AIDL

Billing on Android, Goodbye AIDL

Google released the Billing library which makes it considerably easier to handle subscriptions and consumables in Android apps. The reason it is easier to integrate is removing the need to communicate across AIDL (Android Interface Design Language), which added a lot of complexity on top of an already complex cognitive

VAMPIRE Architecture

VAMPIRE Architecture

This idea is one that has its roots starting years ago when I started building the new Hinge Android app. Since I had a clear slate I decided to start with the best ideas I could find, including what the Hinge iOS team had already adopted as its architecture. If