FlutterFlow Test Mode Not Loading

How to fix it

Try these in order — the most common fix is first.

1. 1. Rebuild and reload

   Copy steps
   1. Close the test mode session
   2. Start a fresh test mode run
   Did this fix it? Yes No

2. 2. Check custom code and packages

   Copy steps
   1. Review recent custom widgets, actions and pubspec changes
   2. Remove or fix the last change and retry
   Did this fix it? Yes No

3. 3. Use Local Run

   1. Set up Local Run to validate the app on a physical device
   Did this fix it? Yes No

Symptoms

Test mode never loads, hangs on a blank screen or shows a build error although the project worked earlier.

Why it happens

• Build failure in test mode or run mode
• Custom code or package conflict
• Temporary platform problem after an update

This guide also covers

• flutterflow test mode not working
• flutterflow test mode not loading

The same problem in other apps

All not loading, error messages & connection guides →

• Bubble Workload Units Running Out Too Fast (Bubble)
• Firebase auth/invalid-api-key Error (Firebase)

Other FlutterFlow errors

• FlutterFlow Build Failed
• FlutterFlow Firebase Connection and Permission Denied Error
• FlutterFlow Unknown Error Compiling Custom Code
• FlutterFlow Code Export Not Working
• FlutterFlow Version Solving Failed Package Conflict
• Why Is FlutterFlow So Slow
• FlutterFlow Firestore Permission Error in Run Mode
• FlutterFlow App Store and Google Play Release Errors