Implement opening external package link.

Assets/Cryville/Common/Unity/UrlOpener.cs

@@ -0,0 +1,13 @@
+namespace Cryville.Common.Unity {
+	public static class UrlOpener {
+		public static void Open(string url) {
+#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
+			System.Diagnostics.Process.Start(url);
+#elif UNITY_ANDROID
+			new UnityEngine.AndroidJavaClass("world.cryville.common.unity.UrlOpener").CallStatic("open", new object[] { url });
+#else
+#error Unknown platform.
+#endif
+		}
+	}
+}

Assets/Cryville/Common/Unity/UrlOpener.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c827ee181de8c51499777e5a822981b8
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Common/Unity/UrlOpener.java

@@ -0,0 +1,17 @@
+package world.cryville.common.unity;
+
+import android.content.Intent;
+import android.net.Uri;
+import com.unity3d.player.UnityPlayer;
+import com.unity3d.player.UnityPlayerActivity;
+
+public final class UrlOpener {
+	private UrlOpener() { }
+	
+	static UnityPlayerActivity activity;
+
+	public static void open(String url) {
+		if (activity == null) activity = (UnityPlayerActivity)UnityPlayer.currentActivity;
+		activity.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
+	}
+}

Assets/Cryville/Common/Unity/UrlOpener.java.meta

@@ -0,0 +1,32 @@
+fileFormatVersion: 2
+guid: e2d08ba79acb0564b9802b57dbc2f8d3
+PluginImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  iconMap: {}
+  executionOrder: {}
+  defineConstraints: []
+  isPreloaded: 0
+  isOverridable: 0
+  isExplicitlyReferenced: 0
+  validateReferences: 1
+  platformData:
+  - first:
+      Android: Android
+    second:
+      enabled: 1
+      settings: {}
+  - first:
+      Any: 
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+      settings: {}
+  - first:
+      Editor: Editor
+    second:
+      enabled: 0
+      settings:
+        DefaultValueInitialized: true
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Network/UpdateChecker.cs

@@ -77,7 +77,10 @@ namespace Cryville.Crtr.Network {
 					}
 				}
 				if (totalDiffSize == 0 || totalDiffSize >= fullPackage.size) {
-					Dialog.ShowAndWait(string.Format("A new version is available: {0}\nYou have to download the full package.\nOpen the download link now?", latestVersion.name), "Yes", "No");
+					// TODO Check if external
+					if (Dialog.ShowAndWait(string.Format("A new version is available: {0}\nYou have to download the full package.\nOpen the download link now?", latestVersion.name), "Yes", "No") == 0) {
+						UrlOpener.Open(fullPackage.url);
+					}
 				}
 				else {
 					Dialog.ShowAndWait(string.Format("A new version is available: {0}\nDo you want to update?", latestVersion.name), "Yes", "No");