[DO NOT MERGE] Use custom slide-up animation on LMP MR1 instead of system default

issue 21402755

Change-Id: I87ddef08e7b3134c791f769fc279e62d520cd18c

res/anim/no_anim.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 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.
+-->
+
+<alpha xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="417" />

src/com/android/launcher3/Launcher.java

@@ -2943,10 +2943,15 @@ public class Launcher extends Activity
             Bundle optsBundle = null;
             if (useLaunchAnimation && !Utilities.isLmpOrAbove()) {
                 // On pre-L devices, we use the scale up transition.
-                // Otherwise we use system default.
                 ActivityOptions opts =
                         ActivityOptions.makeScaleUpAnimation(v, 0, 0, v.getMeasuredWidth(), v.getMeasuredHeight());
                 optsBundle = opts.toBundle();
+            } else if (useLaunchAnimation && Utilities.isLmpMr1()) {
+                // On L-MR1 devices, we use custom slide up animation without a delay
+                // On L devices, we use the system default slide up.
+                ActivityOptions opts = ActivityOptions.makeCustomAnimation(this,
+                        R.anim.task_open_enter, R.anim.no_anim);
+                optsBundle = opts.toBundle();
             }
 
             if (user == null || user.equals(UserHandleCompat.myUserHandle())) {

src/com/android/launcher3/Utilities.java

@@ -112,6 +112,10 @@ public final class Utilities {
         return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
     }
 
+    public static boolean isLmpMr1() {
+        return Build.VERSION.SDK_INT == 22;
+    }
+
     /**
      * Returns a bitmap suitable for the all apps view. If the package or the resource do not
      * exist, it returns null.