Merge "Adding custom slide up activity transition for L MR1" into ub-launcher3-burnaby

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

@@ -2899,8 +2899,15 @@ public class Launcher extends Activity
                     }
                 }
                 if (opts == null && !Utilities.isLmpOrAbove()) {
+                    // Below L, we use a scale up animation
                     opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0,
                                     v.getMeasuredWidth(), v.getMeasuredHeight());
+                } else if (opts == null && Utilities.isLmpMR1()) {
+                    // On L devices, we use the device default slide-up transition.
+                    // On L MR1 devices, we a custom version of the slide-up transition which
+                    // doesn't have the delay present in the device default.
+                    opts = ActivityOptions.makeCustomAnimation(this,
+                            R.anim.task_open_enter, R.anim.no_anim);
                 }
                 optsBundle = opts != null ? opts.toBundle() : null;
             }

src/com/android/launcher3/Utilities.java

@@ -122,6 +122,11 @@ public final class Utilities {
         return Build.VERSION.SDK_INT >= 22;
     }
 
+    public static boolean isLmpMR1() {
+        // TODO(adamcohen): update to Build.VERSION_CODES.LOLLIPOP_MR1 once building against 22;
+        return Build.VERSION.SDK_INT == 22;
+    }
+
     public static Bitmap createIconBitmap(Cursor c, int iconIndex, Context context) {
         byte[] data = c.getBlob(iconIndex);
         try {