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Commit 65e826db authored by Jeff DeCew's avatar Jeff DeCew
Browse files

Add slow fade-in to notification shelf icon to prevent overlapping icons in the shelf. 

Fixes: 188030100
Test: manual testing
Change-Id: I54382c5bd6bb1953205af6aad399f199cb2fc7dd
parent eb24079b

packages/SystemUI/src/com/android/systemui/statusbar/NotificationShelf.java

+8 −1
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ import android.view.ViewGroup; 
import android.view.ViewTreeObserver;

import android.view.WindowInsets;

import android.view.accessibility.AccessibilityNodeInfo;

import android.view.animation.Interpolator;

import android.view.animation.PathInterpolator;



import com.android.internal.annotations.VisibleForTesting;

import com.android.systemui.R;
@@ -56,6 +58,11 @@ public class NotificationShelf extends ActivatableNotificationView implements 
    private static final int TAG_CONTINUOUS_CLIPPING = R.id.continuous_clipping_tag;

    private static final String TAG = "NotificationShelf";



    // More extreme version of SLOW_OUT_LINEAR_IN which keeps the icon nearly invisible until after

    // the next icon has translated out of the way, to avoid overlapping.

    private static final Interpolator ICON_ALPHA_INTERPOLATOR =

            new PathInterpolator(0.6f, 0f, 0.6f, 0f);



    private NotificationIconContainer mShelfIcons;

    private int[] mTmp = new int[2];

    private boolean mHideBackground;
@@ -659,7 +666,7 @@ public class NotificationShelf extends ActivatableNotificationView implements 
        if (iconState == null) {

            return;

        }

        iconState.alpha = transitionAmount;

        iconState.alpha = ICON_ALPHA_INTERPOLATOR.getInterpolation(transitionAmount);

        boolean isAppearing = row.isDrawingAppearAnimation() && !row.isInShelf();

        iconState.hidden = isAppearing

                || (view instanceof ExpandableNotificationRow