Update window alpha at the same time as translating

Note: algorithm for alpha per progress may be updated
This is a first pass proof of concept

Change-Id: Ia043200ea737ff9d132e350449e17ba0fde10d65

1 files changed, 2 insertions, 0 deletions

diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindow.java b/policy/src/com/android/internal/policy/impl/PhoneWindow.java
index bed3462..56abfb4 100644
--- a/policy/src/com/android/internal/policy/impl/PhoneWindow.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindow.java
@@ -3449,6 +3449,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
                             SwipeDismissLayout layout, float progress, float translate) {
                         WindowManager.LayoutParams newParams = getAttributes();
                         newParams.x = (int) translate;
+                        newParams.alpha = 1 - progress;
                         setAttributes(newParams);
 
                         int flags = 0;
@@ -3464,6 +3465,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
                     public void onSwipeCancelled(SwipeDismissLayout layout) {
                         WindowManager.LayoutParams newParams = getAttributes();
                         newParams.x = 0;
+                        newParams.alpha = 1;
                         setAttributes(newParams);
                         setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN | FLAG_LAYOUT_NO_LIMITS);
                     }