Create a new jank test to measure HW layer resize performance

Write a jank test that is animating height and width of a View
backed by a HW layer.

Test: built angler-userdebug and ran UiBench jank tests.
Change-Id: I69eccb73b6fb887549506c80590892665051ee2f

2 files changed, 68 insertions, 0 deletions

diff --git a/tests/UiBench/AndroidManifest.xml b/tests/UiBench/AndroidManifest.xml
index 29154aa8dcaf..0681b61fc02f 100644
--- a/tests/UiBench/AndroidManifest.xml
+++ b/tests/UiBench/AndroidManifest.xml
@@ -76,6 +76,14 @@
             </intent-filter>
         </activity>
         <activity
+            android:name=".ResizeHWLayerActivity"
+            android:label="General/Resize HW Layer" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.android.test.uibench.TEST" />
+            </intent-filter>
+        </activity>
+        <activity
             android:name=".TrivialAnimationActivity"
             android:label="General/Trivial Animation" >
             <intent-filter>
diff --git a/tests/UiBench/src/com/android/test/uibench/ResizeHWLayerActivity.java b/tests/UiBench/src/com/android/test/uibench/ResizeHWLayerActivity.java
new file mode 100644
index 000000000000..23a2713abd40
--- /dev/null
+++ b/tests/UiBench/src/com/android/test/uibench/ResizeHWLayerActivity.java
@@ -0,0 +1,60 @@
+/*
+ * 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.test.uibench;
+
+import android.animation.PropertyValuesHolder;
+import android.animation.ValueAnimator;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.util.DisplayMetrics;
+import android.view.View;
+import android.view.ViewGroup.LayoutParams;
+import android.widget.FrameLayout;
+
+/**
+ * Tests resizing of a View backed by a hardware layer.
+ */
+public class ResizeHWLayerActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        DisplayMetrics metrics = getResources().getDisplayMetrics();
+        int width = metrics.widthPixels;
+        int height = metrics.heightPixels;
+        View child = new View(this);
+        child.setBackgroundColor(Color.BLUE);
+        child.setLayoutParams(new FrameLayout.LayoutParams(width, height));
+        child.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+        PropertyValuesHolder pvhWidth = PropertyValuesHolder.ofInt("width", width, 1);
+        PropertyValuesHolder pvhHeight = PropertyValuesHolder.ofInt("height", height, 1);
+        final LayoutParams params = child.getLayoutParams();
+        ValueAnimator animator = ValueAnimator.ofPropertyValuesHolder(pvhWidth, pvhHeight);
+        animator.setRepeatMode(ValueAnimator.REVERSE);
+        animator.setRepeatCount(ValueAnimator.INFINITE);
+        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator valueAnimator) {
+                params.width = (Integer)valueAnimator.getAnimatedValue("width");
+                params.height = (Integer)valueAnimator.getAnimatedValue("height");
+                child.requestLayout();
+            }
+        });
+        animator.start();
+        setContentView(child);
+    }
+}