dart

Flutter number parsing format exception

FormatException.*Invalid radix-10 number

Fixes

1.Use int.tryParse() or double.tryParse() which return null on failure
2.Validate string input before parsing
3.Trim whitespace from string before parsing: str.trim()

flutterdartparsing

Related Errors

Flutter RenderFlex overflow

RenderFlex overflowed by .* pixels on the (right|bottom|left|top)

•Wrap overflowing widget in Expanded or Flexible
•Use SingleChildScrollView for scrollable content

Flutter setState called after widget dispose

setState\(\) called after dispose\(\)

•Check 'if (mounted)' before calling setState()
•Cancel async operations in dispose() method

Flutter platform channel method not implemented

MissingPluginException.*No implementation found for method.*on channel

•Ensure native plugin is registered in MainActivity/AppDelegate
•Run 'flutter clean' and rebuild the app