onDisposed method
Called when this ImageStreamCompleter has actually been disposed.
Subclasses should override this if they need to clean up resources when they are disposed.
Implementation
@mustCallSuper
@protected
void onDisposed() {}Called when this ImageStreamCompleter has actually been disposed.
Subclasses should override this if they need to clean up resources when they are disposed.
@mustCallSuper
@protected
void onDisposed() {}