refactor: Change the access modifier for sample code to hide APIs from documents (#644)

Author: karasusan

RenderStreaming~/ProjectSettings/ProjectVersion.txt

@@ -1,2 +1,2 @@
-m_EditorVersion: 2020.3.27f1
-m_EditorVersionWithRevision: 2020.3.27f1 (e759542391ea)
+m_EditorVersion: 2020.3.28f1
+m_EditorVersionWithRevision: 2020.3.28f1 (f5400f52e03f)

com.unity.renderstreaming/Editor/PropertyDrawers/StreamingSizeDrawer.cs

@@ -4,7 +4,7 @@
 namespace Unity.RenderStreaming.Editor
 {
     [CustomPropertyDrawer(typeof(StreamingSizeAttribute))]
-    public class StreamingSizeDrawer : PropertyDrawer
+    class StreamingSizeDrawer : PropertyDrawer
     {
         readonly GUIContent[] streamingSizeText =
         {

com.unity.renderstreaming/Runtime/Scripts/RemoteInput.cs

@@ -54,7 +54,7 @@ enum GamepadKeyCode {
         Axis1
     }
 
-    public static class RemoteInputReceiver
+    internal static class RemoteInputReceiver
     {
         private static readonly Dictionary<RemoteInput, uint> s_mapRemoteInputAndInputUserId;
         private static readonly List<RemoteInput> s_listRemoteInput;
@@ -113,7 +113,15 @@ internal static void Delete(RemoteInput remoteInput)
         }
     }
 
-    public class RemoteInput : IInput, IDisposable
+    public interface IInput
+    {
+        Mouse RemoteMouse { get; }
+        Keyboard RemoteKeyboard { get; }
+        Touchscreen RemoteTouchscreen { get; }
+        Gamepad RemoteGamepad { get; }
+    }
+
+    internal class RemoteInput : IInput, IDisposable
     {
         private GamepadState m_gamepadState;
 

com.unity.renderstreaming/Samples~/Example/Broadcast/CustomEventSystem.cs

@@ -6,7 +6,7 @@ namespace Unity.RenderStreaming.Samples
 {
     using InputSystem = UnityEngine.InputSystem.InputSystem;
 
-    public class CustomEventSystem : EventSystem
+    class CustomEventSystem : EventSystem
     {
 #if !INPUTSYSTEM_1_1_OR_NEWER
         protected override void Awake()

com.unity.renderstreaming/Samples~/Example/Broadcast/DeltaWithButton.cs

@@ -16,7 +16,7 @@ namespace Unity.RenderStreaming.Samples
 #endif
     [Preserve]
     [DisplayStringFormat("{button}+{delta}")]
-    public class DeltaWithButton : InputBindingComposite<Vector2>
+    class DeltaWithButton : InputBindingComposite<Vector2>
     {
 #if UNITY_EDITOR
         static DeltaWithButton()

com.unity.renderstreaming/Samples~/Example/Broadcast/SimpleCameraControllerV2.cs

@@ -4,7 +4,7 @@
 
 namespace Unity.RenderStreaming.Samples
 {
-    public class SimpleCameraControllerV2 : MonoBehaviour
+    class SimpleCameraControllerV2 : MonoBehaviour
     {
         class CameraState
         {

com.unity.renderstreaming/Samples~/Example/Multiplay/FollowTransform.cs

@@ -1,10 +1,8 @@
-using System.Linq;
-using System.Collections.Generic;
 using UnityEngine;
 
 namespace Unity.RenderStreaming.Samples
 {
-    public class FollowTransform : MonoBehaviour
+    class FollowTransform : MonoBehaviour
     {
         [SerializeField] Transform target;
         [SerializeField] Vector3 offset;

com.unity.renderstreaming/Samples~/Example/Multiplay/Multiplay.cs

@@ -4,7 +4,7 @@
 
 namespace Unity.RenderStreaming.Samples
 {
-    public class Multiplay : SignalingHandlerBase,
+    class Multiplay : SignalingHandlerBase,
         IOfferHandler, IAddChannelHandler, IDisconnectHandler, IDeletedConnectionHandler
     {
         [SerializeField] GameObject prefab;

com.unity.renderstreaming/Samples~/Example/Multiplay/MultiplayChannel.cs

@@ -4,7 +4,7 @@
 
 namespace Unity.RenderStreaming.Samples
 {
-    public enum ActionType
+    enum ActionType
     {
         ChangeLabel = 0,
     }
@@ -20,12 +20,12 @@ class Message
     /// 
     /// </summary>
     [Serializable]
-    public class ChangeLabelEvent : UnityEvent<string> {};
+    class ChangeLabelEvent : UnityEvent<string> {};
 
     /// <summary>
     ///
     /// </summary>
-    public class MultiplayChannel : DataChannelBase
+    class MultiplayChannel : DataChannelBase
     {
         public ChangeLabelEvent OnChangeLabel;
 

com.unity.renderstreaming/Samples~/Example/Multiplay/MultiplaySample.cs

@@ -1,14 +1,12 @@
 using System;
 using System.Collections;
-using System.Collections.Generic;
 using System.Linq;
 using UnityEngine;
 using UnityEngine.UI;
-using Unity.RenderStreaming.InputSystem;
 
 namespace Unity.RenderStreaming.Samples
 {
-    public class MultiplaySample : MonoBehaviour
+    class MultiplaySample : MonoBehaviour
     {
         [SerializeField] ToggleGroup toggleGroupRole;
         [SerializeField] InputField inputFieldUsername;