iconSize property
If provided, the size of the Icon.
If this property is null, then IconThemeData.size is used. If IconThemeData.size is also null, then default size is 24.0 pixels.
Implementation
final double iconSize;
If provided, the size of the Icon.
If this property is null, then IconThemeData.size is used. If IconThemeData.size is also null, then default size is 24.0 pixels.
final double iconSize;