diff --git a/spine-libgdx/spine-skeletonviewer/src/com/esotericsoftware/spine/SkeletonViewer.java b/spine-libgdx/spine-skeletonviewer/src/com/esotericsoftware/spine/SkeletonViewer.java
index 3798efefc..4eac15514 100644
--- a/spine-libgdx/spine-skeletonviewer/src/com/esotericsoftware/spine/SkeletonViewer.java
+++ b/spine-libgdx/spine-skeletonviewer/src/com/esotericsoftware/spine/SkeletonViewer.java
@@ -95,6 +95,7 @@ public class SkeletonViewer extends ApplicationAdapter {
 	FileHandle skeletonFile;
 	long lastModified;
 	float lastModifiedCheck, reloadTimer;
+	Preferences prefs;
 
 	public void create () {
 		Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionHandler() {
@@ -104,16 +105,20 @@ public class SkeletonViewer extends ApplicationAdapter {
 			}
 		});
 
+		prefs = Gdx.app.getPreferences("spine-skeletonviewer");
 		ui = new UI();
 		batch = new PolygonSpriteBatch();
 		renderer = new SkeletonMeshRenderer();
 		debugRenderer = new SkeletonRendererDebug();
 		skeletonX = (int)(ui.window.getWidth() + (Gdx.graphics.getWidth() - ui.window.getWidth()) / 2);
 		skeletonY = Gdx.graphics.getHeight() / 4;
+		ui.loadPrefs();
 
 		loadSkeleton(
 			Gdx.files.internal(Gdx.app.getPreferences("spine-skeletonviewer").getString("lastFile", "spineboy/spineboy.json")),
 			false);
+
+		ui.loadPrefs();
 	}
 
 	void loadSkeleton (final FileHandle skeletonFile, boolean reload) {
@@ -180,7 +185,6 @@ public class SkeletonViewer extends ApplicationAdapter {
 		});
 
 		this.skeletonFile = skeletonFile;
-		Preferences prefs = Gdx.app.getPreferences("spine-skeletonviewer");
 		prefs.putString("lastFile", skeletonFile.path());
 		prefs.flush();
 		lastModified = skeletonFile.lastModified();
@@ -205,12 +209,13 @@ public class SkeletonViewer extends ApplicationAdapter {
 		// Configure skeleton from UI.
 
 		if (ui.skinList.getSelected() != null) skeleton.setSkin(ui.skinList.getSelected());
-		if (ui.animationList.getSelected() != null) setAnimation();
+		setAnimation();
 
 		if (reload) ui.toast("Reloaded.");
 	}
 
 	void setAnimation () {
+		if (ui.animationList.getSelected() == null) return;
 		TrackEntry current = state.getCurrent(0);
 		if (current == null) {
 			state.setEmptyAnimation(0, 0);
@@ -228,6 +233,7 @@ public class SkeletonViewer extends ApplicationAdapter {
 
 		float delta = Gdx.graphics.getDeltaTime();
 
+		// Draw skeleton origin lines.
 		ShapeRenderer shapes = debugRenderer.getShapeRenderer();
 		if (state != null) {
 			shapes.setColor(Color.DARK_GRAY);
@@ -238,6 +244,7 @@ public class SkeletonViewer extends ApplicationAdapter {
 		}
 
 		if (skeleton != null) {
+			// Reload if skeleton file was modified.
 			if (reloadTimer <= 0) {
 				lastModifiedCheck -= delta;
 				if (lastModifiedCheck < 0) {
@@ -250,6 +257,7 @@ public class SkeletonViewer extends ApplicationAdapter {
 				if (reloadTimer <= 0) loadSkeleton(skeletonFile, true);
 			}
 
+			// Pose and render skeleton.
 			state.getData().setDefaultMix(ui.mixSlider.getValue());
 			renderer.setPremultipliedAlpha(ui.premultipliedCheckbox.isChecked());
 
@@ -277,6 +285,7 @@ public class SkeletonViewer extends ApplicationAdapter {
 			debugRenderer.draw(skeleton);
 		}
 
+		// Render UI.
 		ui.stage.act();
 		ui.stage.draw();
 
@@ -340,10 +349,9 @@ public class SkeletonViewer extends ApplicationAdapter {
 		TextButton slotsSetupPoseButton = new TextButton("Slots", skin);
 		TextButton setupPoseButton = new TextButton("Both", skin);
 		WidgetGroup toasts = new WidgetGroup();
+		boolean prefsLoaded;
 
 		public UI () {
-			// Configure widgets.
-
 			animationList.getSelection().setRequired(false);
 
 			premultipliedCheckbox.setChecked(true);
@@ -430,8 +438,6 @@ public class SkeletonViewer extends ApplicationAdapter {
 				table.add(toasts);
 			}
 
-			// Events.
-
 			window.addListener(new InputListener() {
 				public boolean touchDown (InputEvent event, float x, float y, int pointer, int button) {
 					event.cancel();
@@ -548,7 +554,31 @@ public class SkeletonViewer extends ApplicationAdapter {
 					skeletonY = Gdx.graphics.getHeight() - screenY;
 					return false;
 				}
+
+				public boolean touchUp (int screenX, int screenY, int pointer, int button) {
+					savePrefs();
+					return false;
+				}
 			}));
+
+			ChangeListener savePrefsListener = new ChangeListener() {
+				public void changed (ChangeEvent event, Actor actor) {
+					if (actor instanceof Slider && ((Slider)actor).isDragging()) return;
+					savePrefs();
+				}
+			};
+			debugBonesCheckbox.addListener(savePrefsListener);
+			debugRegionsCheckbox.addListener(savePrefsListener);
+			debugMeshHullCheckbox.addListener(savePrefsListener);
+			debugMeshTrianglesCheckbox.addListener(savePrefsListener);
+			debugPathsCheckbox.addListener(savePrefsListener);
+			premultipliedCheckbox.addListener(savePrefsListener);
+			loopCheckbox.addListener(savePrefsListener);
+			speedSlider.addListener(savePrefsListener);
+			mixSlider.addListener(savePrefsListener);
+			scaleSlider.addListener(savePrefsListener);
+			animationList.addListener(savePrefsListener);
+			skinList.addListener(savePrefsListener);
 		}
 
 		private Table table (Actor... actors) {
@@ -575,6 +605,43 @@ public class SkeletonViewer extends ApplicationAdapter {
 			toasts.addActor(table);
 			toasts.getParent().toFront();
 		}
+
+		void savePrefs () {
+			if (!prefsLoaded) return;
+			prefs.putBoolean("debugBones", debugBonesCheckbox.isChecked());
+			prefs.putBoolean("debugRegions", debugRegionsCheckbox.isChecked());
+			prefs.putBoolean("debugMeshHull", debugMeshHullCheckbox.isChecked());
+			prefs.putBoolean("debugMeshTriangles", debugMeshTrianglesCheckbox.isChecked());
+			prefs.putBoolean("debugPaths", debugPathsCheckbox.isChecked());
+			prefs.putBoolean("premultiplied", premultipliedCheckbox.isChecked());
+			prefs.putBoolean("loop", loopCheckbox.isChecked());
+			prefs.putFloat("speed", speedSlider.getValue());
+			prefs.putFloat("mix", mixSlider.getValue());
+			prefs.putFloat("scale", scaleSlider.getValue());
+			prefs.putInteger("x", skeletonX);
+			prefs.putInteger("y", skeletonY);
+			if (animationList.getSelected() != null) prefs.putString("animationName", animationList.getSelected());
+			if (skinList.getSelected() != null)prefs.putString("skinName", skinList.getSelected());
+			prefs.flush();
+		}
+
+		void loadPrefs () {
+			debugBonesCheckbox.setChecked(prefs.getBoolean("debugBones", true));
+			debugRegionsCheckbox.setChecked(prefs.getBoolean("debugRegions", false));
+			debugMeshHullCheckbox.setChecked(prefs.getBoolean("debugMeshHull", false));
+			debugMeshTrianglesCheckbox.setChecked(prefs.getBoolean("debugMeshTriangles", false));
+			debugPathsCheckbox.setChecked(prefs.getBoolean("debugPaths", true));
+			premultipliedCheckbox.setChecked(prefs.getBoolean("premultiplied", true));
+			loopCheckbox.setChecked(prefs.getBoolean("loop", false));
+			speedSlider.setValue(prefs.getFloat("speed", 0.3f));
+			mixSlider.setValue(prefs.getFloat("mix", 0.3f));
+			scaleSlider.setValue(prefs.getFloat("scale", 1));
+			skeletonX = prefs.getInteger("x", 0);
+			skeletonY = prefs.getInteger("y", 0);
+			animationList.setSelected(prefs.getString("animationName", null));
+			skinList.setSelected(prefs.getString("skinName", null));
+			prefsLoaded = true;
+		}
 	}
 
 	static public void main (String[] args) throws Exception {