Use multiplatform reflection

Author: bladecoder

blade-engine/src/com/bladecoder/engine/ui/UI.java

@@ -30,6 +30,7 @@
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.graphics.g2d.TextureAtlas;
 import com.badlogic.gdx.scenes.scene2d.ui.Skin;
+import com.badlogic.gdx.utils.reflect.ClassReflection;
 import com.bladecoder.engine.assets.EngineAssetManager;
 import com.bladecoder.engine.model.World;
 import com.bladecoder.engine.util.Config;
@@ -93,16 +94,16 @@ private BladeScreen getCustomScreenInstance(String prop, Class<?> defaultClass)
 
 		if( clsName != null  && !clsName.isEmpty()) {
 			try {
-				instanceClass = Class.forName(clsName);
-				return (BladeScreen)instanceClass.newInstance();
+				instanceClass = ClassReflection.forName(clsName);
+				return (BladeScreen)ClassReflection.newInstance(instanceClass);
 			} catch (Exception e) {
 				EngineLogger.error("Error instancing screen. " + e.getMessage());
 				instanceClass = defaultClass;
 			}
 		} 
 
 		try {
-			return (BladeScreen)instanceClass.newInstance();
+			return (BladeScreen)ClassReflection.newInstance(instanceClass);
 		} catch (Exception e) {
 			EngineLogger.error("Error instancing screen", e);
 		}