1 files changed, 13 insertions, 21 deletions

diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 1719b0594..b129bb09d 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -6,12 +6,15 @@ import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ArgbEvaluator;
 import android.animation.ObjectAnimator;
+import android.graphics.Color;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.graphics.ColorUtils;
 import android.support.v4.view.animation.FastOutSlowInInterpolator;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.animation.AccelerateInterpolator;
+import android.view.animation.DecelerateInterpolator;
 import android.view.animation.Interpolator;
 
 import com.android.launcher3.DeviceProfile;
@@ -41,6 +44,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
     private static final boolean DBG = false;
 
     private final Interpolator mAccelInterpolator = new AccelerateInterpolator(2f);
+    private final Interpolator mDecelInterpolator = new DecelerateInterpolator(3f);
     private final Interpolator mFastOutSlowInInterpolator = new FastOutSlowInInterpolator();
     private final ScrollInterpolator mScrollInterpolator = new ScrollInterpolator();
 
@@ -86,8 +90,6 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
     private AnimatorSet mCurrentAnimation;
     private boolean mNoIntercept;
 
-    private boolean mLightStatusBar;
-
     // Used in discovery bounce animation to provide the transition without workspace changing.
     private boolean mIsTranslateWithoutWorkspace = false;
     private AnimatorSet mDiscoBounceAnimation;
@@ -273,26 +275,14 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
     }
 
     private void updateLightStatusBar(float shift) {
-        boolean enable = shift <= mStatusBarHeight / 2;
         // Do not modify status bar on landscape as all apps is not full bleed.
         if (mLauncher.getDeviceProfile().isVerticalBarLayout()) {
             return;
         }
-        // Already set correctly
-        if (mLightStatusBar == enable) {
-            return;
-        }
-        int systemUiFlags = mLauncher.getWindow().getDecorView().getSystemUiVisibility();
-        if (enable) {
-            mLauncher.getWindow().getDecorView().setSystemUiVisibility(systemUiFlags
-                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
-
-        } else {
-            mLauncher.getWindow().getDecorView().setSystemUiVisibility(systemUiFlags
-                    & ~(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR));
-
-        }
-        mLightStatusBar = enable;
+        // Use a light status bar (dark icons) if all apps is behind at least half of the status
+        // bar. If the status bar is already light due to wallpaper extraction, keep it that way.
+        boolean forceLight = shift <= mStatusBarHeight / 2;
+        mLauncher.activateLightStatusBar(forceLight);
     }
 
     /**
@@ -305,12 +295,14 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
 
         float workspaceHotseatAlpha = Utilities.boundToRange(progress, 0f, 1f);
         float alpha = 1 - workspaceHotseatAlpha;
-
         float interpolation = mAccelInterpolator.getInterpolation(workspaceHotseatAlpha);
 
-        int color = (Integer) mEvaluator.evaluate(alpha,
+        int color = (Integer) mEvaluator.evaluate(mDecelInterpolator.getInterpolation(alpha),
                 mHotseatBackgroundColor, mAllAppsBackgroundColor);
-        mAppsView.setRevealDrawableColor(color);
+        int bgAlpha = Color.alpha((int) mEvaluator.evaluate(alpha,
+                mHotseatBackgroundColor, mAllAppsBackgroundColor));
+
+        mAppsView.setRevealDrawableColor(ColorUtils.setAlphaComponent(color, bgAlpha));
         mAppsView.getContentView().setAlpha(alpha);
         mAppsView.setTranslationY(shiftCurrent);