Library doesn't work with Unity version 2018.3.0f2

[marcos-nunes-dev]

`> Task :react-native-unity-view:compileDebugJavaWithJavac FAILED C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityUtils.java:10: error: package com.unity3d.player does not exist import com.unity3d.player.UnityPlayer; ^ C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityUtils.java:25: error: cannot find symbol private static UnityPlayer unityPlayer; ^ symbol: class UnityPlayer location: class UnityUtils C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityUtils.java:32: error: cannot find symbol public static UnityPlayer getPlayer() { ^ symbol: class UnityPlayer location: class UnityUtils C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityView.java:7: error: package com.unity3d.player does not exist import com.unity3d.player.UnityPlayer; ^ C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityView.java:15: error: cannot find symbol private UnityPlayer view; ^ symbol: class UnityPlayer location: class UnityView C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityView.java:21: error: cannot find symbol public void setUnityPlayer(UnityPlayer player) { ^ symbol: class UnityPlayer location: class UnityView C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityUtils.java:62: error: cannot find symbol unityPlayer = new UnityPlayer(activity); ^ symbol: class UnityPlayer C:\dvida projects\github\dvida-mug\node_modules\react-native-unity-view\android\src\main\java\com\reactnative\unity\view\UnityUtils.java:91: error: cannot find symbol UnityPlayer.UnitySendMessage(gameObject, methodName, message); ^ symbol: variable UnityPlayer location: class UnityUtils 8 errors

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':react-native-unity-view:compileDebugJavaWithJavac'.

  Compilation failed; see the compiler error output for details.`

Already try solutions from : https://github.com/f111fei/react-native-unity-demo/issues/21

But cant solved it :/