From 7466cdeec17c4bceea098aae1de08a080ea4555f Mon Sep 17 00:00:00 2001
From: Yi-Ling Chuang <emilychuang@google.com>
Date: Wed, 31 Mar 2021 16:23:48 +0800
Subject: Update SettingsTransitionHelper

Add version control for the helper.

Bug: 177480673
Test: rebuild and test Settings
Change-Id: I0a61b29fa7b8460206b1fdfef128f902d74ffd0a
---
 .../res/interpolator/fast_out_extra_slow_in.xml       | 19 +++++++++++++++++++
 .../transition/SettingsTransitionHelper.java          | 11 +++++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 packages/SettingsLib/SettingsTransition/res/interpolator/fast_out_extra_slow_in.xml

diff --git a/packages/SettingsLib/SettingsTransition/res/interpolator/fast_out_extra_slow_in.xml b/packages/SettingsLib/SettingsTransition/res/interpolator/fast_out_extra_slow_in.xml
new file mode 100644
index 000000000000..a2bbd2be777d
--- /dev/null
+++ b/packages/SettingsLib/SettingsTransition/res/interpolator/fast_out_extra_slow_in.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2021 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
+  -->
+
+<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:pathData="M 0,0 C 0.05, 0, 0.133333, 0.06, 0.166666, 0.4 C 0.208333, 0.82, 0.25, 1, 1, 1"/>
diff --git a/packages/SettingsLib/SettingsTransition/src/com/android/settingslib/transition/SettingsTransitionHelper.java b/packages/SettingsLib/SettingsTransition/src/com/android/settingslib/transition/SettingsTransitionHelper.java
index f99fda05c3c9..6560a181d352 100644
--- a/packages/SettingsLib/SettingsTransition/src/com/android/settingslib/transition/SettingsTransitionHelper.java
+++ b/packages/SettingsLib/SettingsTransition/src/com/android/settingslib/transition/SettingsTransitionHelper.java
@@ -23,6 +23,8 @@ import android.view.Window;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 
+import androidx.core.os.BuildCompat;
+
 import com.google.android.material.transition.platform.MaterialSharedAxis;
 import com.google.android.material.transition.platform.SlideDistanceProvider;
 
@@ -47,8 +49,7 @@ public class SettingsTransitionHelper {
         transition.setDuration(DURATION);
 
         final Interpolator interpolator =
-                AnimationUtils.loadInterpolator(context,
-                        android.R.interpolator.fast_out_extra_slow_in);
+                AnimationUtils.loadInterpolator(context, R.interpolator.fast_out_extra_slow_in);
         transition.setInterpolator(interpolator);
 
         // TODO(b/177480673): Update fade through threshold once (cl/362065364) is released
@@ -64,6 +65,9 @@ public class SettingsTransitionHelper {
      * triggered when the page is launched/entering.
      */
     public static void applyForwardTransition(Activity activity) {
+        if (!BuildCompat.isAtLeastS()) {
+            return;
+        }
         if (activity == null) {
             Log.w(TAG, "applyForwardTransition: Invalid activity!");
             return;
@@ -87,6 +91,9 @@ public class SettingsTransitionHelper {
      * previously-started Activity.
      */
     public static void applyBackwardTransition(Activity activity) {
+        if (!BuildCompat.isAtLeastS()) {
+            return;
+        }
         if (activity == null) {
             Log.w(TAG, "applyBackwardTransition: Invalid activity!");
             return;
-- 
cgit v1.2.3-59-g8ed1b