Do not send onSlidingCompleted when value is changed programmatically (#489)

* Do not send onSligingComplete event when not from user

* Update the docs regarding event sent for controlled value

Author: BartoszKlonowski

README.md

@@ -96,7 +96,7 @@ To use this library you need to ensure you are using the correct version of Reac
 | `step` | Step value of the slider. The value should be between 0 and (maximumValue - minimumValue). Default value is 0.<br/>On Windows OS the default value is 1% of slider's range (from `minimumValue` to `maximumValue`). | number | No | |
 | `maximumTrackTintColor` | The color used for the track to the right of the button.<br/>Overrides the default gray gradient image on iOS. | [color](https://reactnative.dev/docs/colors) | No | |
 | `testID` | Used to locate this view in UI automation tests. | string | No | |
-| `value` | Write-only property representing the value of the slider. Can be used to programmatically control the position of the thumb. Entered once at the beginning still acts as an initial value. The value should be between minimumValue and maximumValue, which default to 0 and 1 respectively. Default value is 0.<br/>_This is not a controlled component_, you don't need to update the value during dragging. | number | No | |
+| `value` | Write-only property representing the value of the slider. Can be used to programmatically control the position of the thumb. Entered once at the beginning still acts as an initial value. Changing the value programmatically does not trigger any event.<br/>The value should be between minimumValue and maximumValue, which default to 0 and 1 respectively. Default value is 0.<br/>_This is not a controlled component_, you don't need to update the value during dragging. | number | No | |
 | `tapToSeek` | Permits tapping on the slider track to set the thumb position.<br/>Defaults to false on iOS. No effect on Android or Windows. | bool | No | iOS |
 | `inverted` | Reverses the direction of the slider.<br/>Default value is false. | bool | No | |
 | `vertical` | Changes the orientation of the slider to vertical, if set to `true`.<br/>Default value is false. | bool | No | Windows |

package/android/src/oldarch/java/com/reactnativecommunity/slider/ReactSliderManager.java

@@ -43,12 +43,7 @@ public void onProgressChanged(SeekBar seekbar, int progress, boolean fromUser) {
                 reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher().dispatchEvent(
                   new ReactSliderEvent(
                     seekbar.getId(),
-                    slider.toRealProgress(progress), fromUser));
-              } else {
-                reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher().dispatchEvent(
-                  new ReactSlidingCompleteEvent(
-                    seekbar.getId(),
-                    ((ReactSlider)seekbar).toRealProgress(seekbar.getProgress())));
+                    slider.toRealProgress(progress), true));
               }
             }