kotlin
Nullable type where non-null expected
Type mismatch.*Required:.*Found:.*\?
Fixes
- 1.Use !! operator if you're certain it's non-null (risky)
- 2.Use safe call with let: value?.let { nonNull -> ... }
- 3.Provide a default with Elvis: value ?: throw IllegalStateException()
null-safetytypes
Related Errors
kotlin3 fixes
Jetpack Compose vertical scroll with infinite constraints
Android.*Compose.*IllegalStateException.*Vertically scrollable.*was measured with.*infinite.*constraints
- •Don't nest vertically scrollable components (LazyColumn in Column with scroll)
- •Use height(IntrinsicSize.Min) or explicit height modifier
kotlin3 fixes
Android Hilt injection not performed
Android.*Hilt.*IllegalStateException.*has not been.*injected
- •Annotate Activity/Fragment with @AndroidEntryPoint
- •Ensure Application class has @HiltAndroidApp annotation
kotlin3 fixes
Android Room migration incomplete
Android.*Room.*IllegalStateException.*Migration.*didn't properly handle
- •Ensure migration SQL covers all schema changes between versions
- •Use autoMigrations in @Database annotation for simple changes