Merge "DO NOT MERGE - Merge Android R QPR1"

1 files changed, 9 insertions, 5 deletions

diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index 6c6bd004e343..0924e9f5eb7c 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -1208,15 +1208,19 @@ public class InputMethodService extends AbstractInputMethodService {
         mWindow.getWindow().getAttributes().setFitInsetsIgnoringVisibility(true);
 
         // IME layout should always be inset by navigation bar, no matter its current visibility,
-        // unless automotive requests it, since automotive may hide the navigation bar.
+        // unless automotive requests it. Automotive devices may request the navigation bar to be
+        // hidden when the IME shows up (controlled via config_automotiveHideNavBarForKeyboard)
+        // in order to maximize the visible screen real estate. When this happens, the IME window
+        // should animate from the bottom of the screen to reduce the jank that happens from the
+        // lack of synchronization between the bottom system window and the IME window.
+        if (mIsAutomotive && mAutomotiveHideNavBarForKeyboard) {
+            mWindow.getWindow().setDecorFitsSystemWindows(false);
+        }
         mWindow.getWindow().getDecorView().setOnApplyWindowInsetsListener(
                 (v, insets) -> v.onApplyWindowInsets(
                         new WindowInsets.Builder(insets).setInsets(
                                 navigationBars(),
-                                mIsAutomotive && mAutomotiveHideNavBarForKeyboard
-                                        ? android.graphics.Insets.NONE
-                                        : insets.getInsetsIgnoringVisibility(navigationBars())
-                                )
+                                insets.getInsetsIgnoringVisibility(navigationBars()))
                                 .build()));
 
         // For ColorView in DecorView to work, FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS needs to be set