Add animated background to the suw all set page.

Test: Ran all set page in landscape/portrait, dark/light mode
Fixes: 190828563
Change-Id: Ie7fbc6ce6777e9cec8d4dcb5dff3090dc167a161

Android.bp

@@ -204,6 +204,7 @@ android_library {
     ],
     static_libs: [
         "Launcher3ResLib",
+        "lottie",
         "SystemUISharedLib",
         "SystemUI-statsd",
     ],

build.gradle

@@ -163,6 +163,8 @@ dependencies {
     androidTestImplementation 'com.android.support.test:rules:1.0.0'
     androidTestImplementation 'com.android.support.test.uiautomator:uiautomator-v18:2.1.2'
     androidTestImplementation "androidx.annotation:annotation:${ANDROID_X_VERSION}"
+
+    api 'com.airbnb.android:lottie:3.3.0'
 }
 
 protobuf {

quickstep/res/layout/activity_allset.xml

@@ -22,6 +22,23 @@
     android:id="@+id/root_view"
     android:background="@color/all_set_page_background" >
 
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:id="@+id/content_view"
+        android:fitsSystemWindows="true">
+
+        <com.airbnb.lottie.LottieAnimationView
+            android:id="@+id/animated_background"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:scaleType="centerCrop"
+
+            app:lottie_rawRes="@raw/all_set_page_bg"
+            app:lottie_autoPlay="true"
+            app:lottie_loop="true" />
+
         <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent"
@@ -29,7 +46,6 @@
             android:layout_marginEnd="@dimen/allset_page_margin_horizontal"
             android:layoutDirection="locale"
             android:textDirection="locale"
-        android:id="@+id/content_view"
             android:forceHasOverlappingRendering="false"
             android:fitsSystemWindows="true" >
 
@@ -103,4 +119,6 @@
                 android:text="@string/allset_hint"/>
         </androidx.constraintlayout.widget.ConstraintLayout>
 
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
 </FrameLayout>

quickstep/src/com/android/quickstep/interaction/AllSetActivity.java

@@ -19,6 +19,7 @@ import static com.android.launcher3.Utilities.mapBoundToRange;
 import static com.android.launcher3.Utilities.mapRange;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 
+import android.animation.Animator;
 import android.app.Activity;
 import android.app.ActivityManager.RunningTaskInfo;
 import android.content.Context;
@@ -38,6 +39,8 @@ import android.graphics.Rect;
 import android.graphics.Shader.TileMode;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
 import android.util.Log;
 import android.view.View;
 import android.view.View.AccessibilityDelegate;
@@ -56,6 +59,8 @@ import com.android.quickstep.GestureState;
 import com.android.quickstep.TouchInteractionService.TISBinder;
 import com.android.quickstep.util.TISBindHelper;
 
+import com.airbnb.lottie.LottieAnimationView;
+
 import java.net.URISyntaxException;
 
 /**
@@ -80,6 +85,10 @@ public class AllSetActivity extends Activity {
     private View mContentView;
     private float mSwipeUpShift;
 
+    @Nullable private Vibrator mVibrator;
+    private LottieAnimationView mAnimatedBackground;
+    private Animator.AnimatorListener mBackgroundAnimatorListener;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -115,6 +124,52 @@ public class AllSetActivity extends Activity {
 
         findViewById(R.id.hint).setAccessibilityDelegate(new SkipButtonAccessibilityDelegate());
         mTISBindHelper = new TISBindHelper(this, this::onTISConnected);
+
+        mVibrator = getSystemService(Vibrator.class);
+        mAnimatedBackground = findViewById(R.id.animated_background);
+        startBackgroundAnimation();
+    }
+
+    private void startBackgroundAnimation() {
+        if (Utilities.ATLEAST_S && mVibrator != null && mVibrator.areAllPrimitivesSupported(
+                VibrationEffect.Composition.PRIMITIVE_THUD)) {
+            if (mBackgroundAnimatorListener == null) {
+                mBackgroundAnimatorListener =
+                        new Animator.AnimatorListener() {
+                            @Override
+                            public void onAnimationStart(Animator animation) {
+                                mVibrator.vibrate(getVibrationEffect());
+                            }
+
+                            @Override
+                            public void onAnimationRepeat(Animator animation) {
+                                mVibrator.vibrate(getVibrationEffect());
+                            }
+
+                            @Override
+                            public void onAnimationEnd(Animator animation) {
+                                mVibrator.cancel();
+                            }
+
+                            @Override
+                            public void onAnimationCancel(Animator animation) {
+                                mVibrator.cancel();
+                            }
+                        };
+            }
+            mAnimatedBackground.addAnimatorListener(mBackgroundAnimatorListener);
+        }
+        mAnimatedBackground.playAnimation();
+    }
+
+    /**
+     * Sets up the vibration effect for the next round of animation. The parameters vary between
+     * different illustrations.
+     */
+    private VibrationEffect getVibrationEffect() {
+        return VibrationEffect.startComposition()
+                .addPrimitive(VibrationEffect.Composition.PRIMITIVE_THUD, 1.0f, 50)
+                .compose();
     }
 
     @Override
@@ -153,6 +208,9 @@ public class AllSetActivity extends Activity {
         super.onDestroy();
         mTISBindHelper.onDestroy();
         clearBinderOverride();
+        if (mBackgroundAnimatorListener != null) {
+            mAnimatedBackground.removeAnimatorListener(mBackgroundAnimatorListener);
+        }
     }
 
     private AnimatedFloat createSwipeUpProxy(GestureState state) {
@@ -173,6 +231,12 @@ public class AllSetActivity extends Activity {
                 1, 0, LINEAR);
         mContentView.setAlpha(alpha);
         mContentView.setTranslationY((alpha - 1) * mSwipeUpShift);
+
+        if (alpha == 0f) {
+            mAnimatedBackground.pauseAnimation();
+        } else if (!mAnimatedBackground.isAnimating()) {
+            mAnimatedBackground.resumeAnimation();
+        }
     }
 
     /**