Adding custom slide up activity transition for L MR1

issue 21402755

Change-Id: Id2542c0a3c38bd71aa407a3b0fe00fdee24e2f69

2 files changed, 12 insertions, 0 deletions

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 0a20fa48d..4e83a67f3 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/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;
             }
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 19334ed31..d0c24cd83 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -123,6 +123,11 @@ 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 {