Fix NullPointerException in EmpowerPlantActivity cart count observer

[cursor]

Problem

In EmpowerPlantActivity, the cart count observer fires in onResume before onCreateOptionsMenu initializes textCartItemCount, causing a NullPointerException when the cart has items on activity startup.

Root Cause

1. The cart item count observer fires in onResume before the options menu is inflated
2. onCreateOptionsMenu (which initializes textCartItemCount) runs after onResume in the Activity lifecycle
3. The observer calls setText() on a null textCartItemCount reference
4. No guard exists to defer or skip the UI update when the menu view has not yet been created

Solution

Added a null check for textCartItemCount before calling setText() in the observer within onResume. This prevents the crash while allowing the UI to update once the menu is created.

Testing

• Launch the Android app and open EmpowerPlantActivity
• Ensure the cart has items (observer will fire with a count on resume)
• The activity no longer crashes on startup

Fixes ANDROID-HZ

  

[sentry]

📲 Install Builds

Android

🔗 App Name	App ID	Version	Configuration
Android	com.example.vu.android	24.12.26 (241226)	release
Android	com.example.vu.android	24.12.26 (241226)	debug
Android	com.example.vu.android	24.12.26 (241226)	release

⚙️ android Build Distribution Settings

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 0.00%. Comparing base (21c77a4) to head (6377337).

Files with missing lines	Patch %	Lines
.../vu/android/empowerplant/EmpowerPlantActivity.java	0.00%	4 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #264   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
=====================================
  Files         16      16           
  Lines        883     885    +2     
  Branches      67      67           
=====================================
- Misses       883     885    +2     

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