commit c8502c1df5c236fa2ab58b5618bfc2c18cb84d37
author Sunny Goyal <sunnygoyal@google.com> Mon Jun 10 12:14:47 2019 -0700
committer Sunny Goyal <sunnygoyal@google.com> Wed Jun 12 11:25:26 2019 -0700
tree aee1352186269edcbde6744760ebfcf98ffbd8ab
parent a273eafec47580b3eb0f296dd10a3efb9b2adc8a

Do not rebind when when deviceProfile has not changed

This avoids UI flicker when using fakeLandscape UI during swipe-up animation

Bug: 131360075
Change-Id: I651e0acb79b54be66b93c746eed6e9b099f2f767

src/com/android/launcher3/Launcher.java

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 2c9a37a..4e905c7 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -461,6 +461,7 @@
     private void onIdpChanged(InvariantDeviceProfile idp) {
         mUserEventDispatcher = null;
 
+        DeviceProfile oldWallpaperProfile = getWallpaperDeviceProfile();
         initDeviceProfile(idp);
         dispatchDeviceProfileChanged();
         reapplyUi();
@@ -469,8 +470,9 @@
         // Calling onSaveInstanceState ensures that static cache used by listWidgets is
         // initialized properly.
         onSaveInstanceState(new Bundle());
-        // TODO: We can probably avoid rebind when only screen size changed.
-        rebindModel();
+        if (oldWallpaperProfile != getWallpaperDeviceProfile()) {
+            rebindModel();
+        }
     }
 
     public void onAssistantVisibilityChanged(float visibility) {