diff --git a/packages/EasterEgg/Android.mk b/packages/EasterEgg/Android.mk
index df081f4091d97..d4c1e7094b99d 100644
--- a/packages/EasterEgg/Android.mk
+++ b/packages/EasterEgg/Android.mk
@@ -5,6 +5,7 @@ LOCAL_MODULE_TAGS := optional
LOCAL_STATIC_JAVA_LIBRARIES := \
android-support-v4 \
android-support-v13 \
+ android-support-dynamic-animation \
android-support-v7-recyclerview \
android-support-v7-preference \
android-support-v7-appcompat \
diff --git a/packages/EasterEgg/AndroidManifest.xml b/packages/EasterEgg/AndroidManifest.xml
index fbc2386576471..14861c261f0da 100644
--- a/packages/EasterEgg/AndroidManifest.xml
+++ b/packages/EasterEgg/AndroidManifest.xml
@@ -19,12 +19,25 @@ Copyright (C) 2016 The Android Open Source Project
android:versionCode="1"
android:versionName="1.0">
-
+
+
+
+
+
+
+
+
+
+
+
+
-
diff --git a/packages/EasterEgg/res/drawable/icon.xml b/packages/EasterEgg/res/drawable/icon.xml
index defa83a9b5c6d..5ce9e51338471 100644
--- a/packages/EasterEgg/res/drawable/icon.xml
+++ b/packages/EasterEgg/res/drawable/icon.xml
@@ -1,5 +1,5 @@
+ android:pathData="M25.0,25.0m-20.5,0.0a20.5,20.5,0,1,1,41.0,0.0a20.5,20.5,0,1,1,-41.0,0.0"
+ android:fillAlpha="0.066"
+ android:fillColor="#000000"/>
+ android:pathData="M24.0,24.0m-20.0,0.0a20.0,20.0,0,1,1,40.0,0.0a20.0,20.0,0,1,1,-40.0,0.0"
+ android:fillColor="#283593"/>
+ android:pathData="M44,24.2010101 L33.9004889,14.101499 L14.101499,33.9004889 L24.2010101,44 C29.2525804,43.9497929 34.2887564,41.9975027 38.1431296,38.1431296 C41.9975027,34.2887564 43.9497929,29.2525804 44,24.2010101 Z"
+ android:fillColor="#1a237e"/>
+ android:pathData="M24.0,24.0m-14.0,0.0a14.0,14.0,0,1,1,28.0,0.0a14.0,14.0,0,1,1,-28.0,0.0"
+ android:fillColor="#5c6bc0"/>
+ android:pathData="M37.7829445,26.469236 L29.6578482,18.3441397 L18.3441397,29.6578482 L26.469236,37.7829445 C29.1911841,37.2979273 31.7972024,36.0037754 33.9004889,33.9004889 C36.0037754,31.7972024 37.2979273,29.1911841 37.7829445,26.469236 Z"
+ android:fillColor="#3f51b5"/>
+
-
diff --git a/packages/EasterEgg/res/drawable/octo_bg.xml b/packages/EasterEgg/res/drawable/octo_bg.xml
new file mode 100644
index 0000000000000..1e46cf434a8be
--- /dev/null
+++ b/packages/EasterEgg/res/drawable/octo_bg.xml
@@ -0,0 +1,8 @@
+
+
+
+
\ No newline at end of file
diff --git a/packages/EasterEgg/src/com/android/egg/octo/Ocquarium.java b/packages/EasterEgg/src/com/android/egg/octo/Ocquarium.java
new file mode 100644
index 0000000000000..bbbdf80612d74
--- /dev/null
+++ b/packages/EasterEgg/src/com/android/egg/octo/Ocquarium.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.egg.octo;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+import com.android.egg.R;
+
+public class Ocquarium extends Activity {
+ ImageView mImageView;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ final float dp = getResources().getDisplayMetrics().density;
+
+ getWindow().setBackgroundDrawableResource(R.drawable.octo_bg);
+
+ FrameLayout bg = new FrameLayout(this);
+ setContentView(bg);
+ bg.setAlpha(0f);
+ bg.animate().setStartDelay(500).setDuration(5000).alpha(1f).start();
+
+ mImageView = new ImageView(this);
+ bg.addView(mImageView, new FrameLayout.LayoutParams(
+ ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
+
+ final OctopusDrawable octo = new OctopusDrawable(getApplicationContext());
+ octo.setSizePx((int) (OctopusDrawable.randfrange(40f,180f) * dp));
+ mImageView.setImageDrawable(octo);
+ octo.startDrift();
+
+ mImageView.setOnTouchListener(new View.OnTouchListener() {
+ boolean touching;
+ @Override
+ public boolean onTouch(View view, MotionEvent motionEvent) {
+ switch (motionEvent.getActionMasked()) {
+ case MotionEvent.ACTION_DOWN:
+ if (octo.hitTest(motionEvent.getX(), motionEvent.getY())) {
+ touching = true;
+ octo.stopDrift();
+ }
+ break;
+ case MotionEvent.ACTION_MOVE:
+ if (touching) {
+ octo.moveTo(motionEvent.getX(), motionEvent.getY());
+ }
+ break;
+ case MotionEvent.ACTION_UP:
+ case MotionEvent.ACTION_CANCEL:
+ touching = false;
+ octo.startDrift();
+ break;
+ }
+ return true;
+ }
+ });
+ }
+}
diff --git a/packages/EasterEgg/src/com/android/egg/octo/OctopusDrawable.java b/packages/EasterEgg/src/com/android/egg/octo/OctopusDrawable.java
new file mode 100644
index 0000000000000..5dde6e1152688
--- /dev/null
+++ b/packages/EasterEgg/src/com/android/egg/octo/OctopusDrawable.java
@@ -0,0 +1,436 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.egg.octo;
+
+import android.animation.TimeAnimator;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.DashPathEffect;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.PixelFormat;
+import android.graphics.PointF;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.support.animation.DynamicAnimation;
+import android.support.animation.SpringForce;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.animation.SpringAnimation;
+import android.support.animation.FloatValueHolder;
+
+public class OctopusDrawable extends Drawable {
+ private static float BASE_SCALE = 100f;
+ public static boolean PATH_DEBUG = false;
+
+ private static int BODY_COLOR = 0xFF101010;
+ private static int ARM_COLOR = 0xFF101010;
+ private static int ARM_COLOR_BACK = 0xFF000000;
+ private static int EYE_COLOR = 0xFF808080;
+
+ private static int[] BACK_ARMS = {1, 3, 4, 6};
+ private static int[] FRONT_ARMS = {0, 2, 5, 7};
+
+ private Paint mPaint = new Paint();
+ private Arm[] mArms = new Arm[8];
+ final PointF point = new PointF();
+ private int mSizePx = 100;
+ final Matrix M = new Matrix();
+ final Matrix M_inv = new Matrix();
+ private TimeAnimator mDriftAnimation;
+ private boolean mBlinking;
+ private float[] ptmp = new float[2];
+ private float[] scaledBounds = new float[2];
+
+ public static float randfrange(float a, float b) {
+ return (float) (Math.random()*(b-a) + a);
+ }
+ public static float clamp(float v, float a, float b) {
+ return vb?b:v;
+ }
+
+ public OctopusDrawable(Context context) {
+ float dp = context.getResources().getDisplayMetrics().density;
+ setSizePx((int) (100*dp));
+ mPaint.setAntiAlias(true);
+ for (int i=0; i nextjump) {
+ vy = JUMP_VY;
+ nextjump = t + (long) randfrange(5000, 10000);
+ }
+ if (unblink > 0 && t > unblink) {
+ setBlinking(false);
+ unblink = 0;
+ } else if (Math.random() < 0.001f) {
+ setBlinking(true);
+ unblink = t + 200;
+ }
+
+ ax = (float) (MAX_VX * Math.sin(t_sec*.25f));
+
+ vx = clamp(vx + dt_sec * ax, -MAX_VX, MAX_VX);
+ vy = clamp(vy + dt_sec * ay, -100*MAX_VY, MAX_VY);
+
+ // oob check
+ if (point.y - BASE_SCALE/2 > scaledBounds[1]) {
+ vy = JUMP_VY;
+ } else if (point.y + BASE_SCALE < 0) {
+ vy = MAX_VY;
+ }
+
+ point.x = clamp(point.x + dt_sec * vx, 0, scaledBounds[0]);
+ point.y = point.y + dt_sec * vy;
+
+ repositionArms();
+ }
+ });
+ }
+ mDriftAnimation.start();
+ }
+
+ public void stopDrift() {
+ mDriftAnimation.cancel();
+ }
+
+ @Override
+ public void onBoundsChange(Rect bounds) {
+ final float w = bounds.width();
+ final float h = bounds.height();
+
+ lockArms(true);
+ moveTo(w/2, h/2);
+ lockArms(false);
+
+ scaledBounds[0] = w;
+ scaledBounds[1] = h;
+ M_inv.mapPoints(scaledBounds);
+ }
+
+ // real pixel coordinates
+ public void moveTo(float x, float y) {
+ point.x = x;
+ point.y = y;
+ mapPointF(M_inv, point);
+ repositionArms();
+ }
+
+ public boolean hitTest(float x, float y) {
+ ptmp[0] = x;
+ ptmp[1] = y;
+ M_inv.mapPoints(ptmp);
+ return Math.hypot(ptmp[0] - point.x, ptmp[1] - point.y) < BASE_SCALE/2;
+ }
+
+ private void lockArms(boolean l) {
+ for (Arm arm : mArms) {
+ arm.setLocked(l);
+ }
+ }
+ private void repositionArms() {
+ for (int i=0; i=len) {
+ t=len;
+ last=true;
+ }
+ pm.getPosTan(t, pos, tan);
+ float r = len > 0 ? lerp(t/len, r1, r2) : r1;
+ c.drawCircle(pos[0], pos[1], r, pt);
+ t += Math.max(r*0.25f, sMinStepPx); // walk forward 1/4 radius, not too small though
+ if (last) break;
+ }
+ }
+}