FAQ Section: Build Errors

Frequently Asked Questions
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apk Install Errors

Google Play Protect Unsafe App Blocked - @Anke

Build Errors

[PrepareAppIcon] Task errored - @Boban

[PrepareAppIcon] Task errored - @TimAI2

[ReadBuildInfo] Task Errored - (Project inside project) - ABG

Naming a button 'back' or 'take' causes build errors - @Boban

apkSigner execution failed - SteveJG

Build Server Status - MIT

Build Servers Overview Bar Graph app - ABG

nb184 - Compiling error:

SteveJG's Monster List of Build Errors

Build app QR code regularly stops at 30% compiling part 1

App Inventor is unable to compile this project.” Error may be caused by: → Project in a project (extension) - Anke

Spaces in Project name cause build errors - ewpatton

d8 Errors

DX Errors

RunMultidex ERROR: DX returned an error code (extensions) - @Taifun

RunMultidex ERROR: DX returned an error code (block limit) - @ewpatton

[RunAapt] ERROR: Error running AAPT

Media file name about:blank - @Boban

XML SAXParseException

NotePad++ Navigation Techniques - @Boban

YAIL compiler - AAPT execution failed errors ...

Copied Screen Names Don't Match - @Boban

Media file named Location.png - @Ramon, @Boban

multiple assets with the same name (after downshift)- Boban

Quick way to find duplicate Assets files - @Boban

multiple assets with similar names except for case - ABG

'@' in Appname - @Boban

Appname = ???

Quotes in app name - @Boban

Use shorter name for your images and also no extra dot in names - @Boban

Runitime Errors in Built Apps

Runtime error: Attempt to invoke virtual method ‘Java .lang.class java.lang.object.getclass()’ on a null object reference

Workarounds

Unable to insert '&' in app name - @Anke

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