1. Dart
2. dart:html
3. MediaDevices
4. getSupportedConstraints method

##### MediaDevices class

1. Properties
2. hashCode
3. on
4. runtimeType
5. Methods
6. addEventListener
7. dispatchEvent
8. enumerateDevices
9. getSupportedConstraints
10. getUserMedia
11. noSuchMethod
12. removeEventListener
13. toString
14. Operators
15. operator ==

description

# getSupportedConstraints method Null safety

Map getSupportedConstraints ()

## Implementation

    Map getSupportedConstraints() {
      return convertNativeToDart_Dictionary(_getSupportedConstraints_1())!;
    }