# Chasing a Cunning Android bug

DevFeed: [Chasing a Cunning Android bug](<https://devfeed.tech/articles/chasing-a-cunning-android-bug-15575.md>)

Original publisher: [Read original article](<https://developer.squareup.com/blog/chasing-a-cunning-android-bug>)

Author: Square Engineering

Published: 2012-08-06T16:01:00Z

Content type: article

Language: en

Sources: [Square Corner Blog RSS Feed](<https://devfeed.tech/sources/square-corner-blog-rss-feed.md>)

Topics: [Android](<https://devfeed.tech/topics/android.md>), [bug](<https://devfeed.tech/topics/bug.md>), [Development](<https://devfeed.tech/topics/development.md>), [Code](<https://devfeed.tech/topics/code.md>), [Exception](<https://devfeed.tech/topics/exception.md>), [App](<https://devfeed.tech/topics/app.md>), [Java](<https://devfeed.tech/topics/java.md>), [XML](<https://devfeed.tech/topics/xml.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [bug](<https://devfeed.tech/tags/bug.md>), [code](<https://devfeed.tech/tags/code.md>), [development](<https://devfeed.tech/tags/development.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [exception](<https://devfeed.tech/tags/exception.md>), [java](<https://devfeed.tech/tags/java.md>), [software](<https://devfeed.tech/tags/software.md>), [xml](<https://devfeed.tech/tags/xml.md>)

## AI overview

An investigation of an Android bug in the development version of Square Card Reader. The article explains how differences between Dalvik behavior on Android 4.0 and Android 2.2 caused a method lookup to fail when missing types in inherited methods were eagerly initialized.

## Source excerpt

Tracking down a deep Android bug.