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Commit 291d2768 authored by cocod's avatar cocod
Browse files

Fix the contrast ratio between the icon and screensaver background 

The contrast ratio is below 3:1 when the screensaver has a nearly
white background. Tweaked the drop shadows to make the contrast
meet accessibility requirements.

Fix: 380229099
Flag: NONE bug fix
Test: manually with WebAIM
Change-Id: I2ee4b49c0ddfe8fcfe8f9c38e7e6e66efb300318
parent 68673d19

packages/SystemUI/res/values/dimens.xml

+2 −0
Original line number Diff line number Diff line
@@ -2062,6 +2062,8 @@ 
    <dimen name="dream_overlay_status_bar_ambient_text_shadow_dy">0.5dp</dimen>

    <dimen name="dream_overlay_status_bar_ambient_text_shadow_radius">3dp</dimen>

    <dimen name="dream_overlay_icon_inset_dimen">0dp</dimen>

    <dimen name="dream_overlay_icon_shadow_radius">1dp</dimen>

    <dimen name="dream_overlay_icon_ambient_shadow_radius">2dp</dimen>



    <!-- Default device corner radius, used for assist UI -->

    <dimen name="config_rounded_mask_size">0px</dimen>

packages/SystemUI/src/com/android/systemui/ambient/statusbar/ui/AmbientStatusBarView.java

+4 −4
Original line number Diff line number Diff line
@@ -75,8 +75,8 @@ public class AmbientStatusBarView extends ConstraintLayout { 
    private ShadowInfo mAmbientShadowInfo;

    private int mDrawableSize;

    private int mDrawableInsetSize;

    private static final float KEY_SHADOW_ALPHA = 0.8f;

    private static final float AMBIENT_SHADOW_ALPHA = 0.6f;

    private static final float KEY_SHADOW_ALPHA = 0.9f;

    private static final float AMBIENT_SHADOW_ALPHA = 0.7f;



    public AmbientStatusBarView(Context context) {

        this(context, null);
@@ -102,14 +102,14 @@ public class AmbientStatusBarView extends ConstraintLayout { 
        super.onFinishInflate();



        mKeyShadowInfo = createShadowInfo(

            R.dimen.dream_overlay_status_bar_key_text_shadow_radius,

            R.dimen.dream_overlay_icon_shadow_radius,

            R.dimen.dream_overlay_status_bar_key_text_shadow_dx,

            R.dimen.dream_overlay_status_bar_key_text_shadow_dy,

            KEY_SHADOW_ALPHA

        );



        mAmbientShadowInfo = createShadowInfo(

            R.dimen.dream_overlay_status_bar_ambient_text_shadow_radius,

            R.dimen.dream_overlay_icon_ambient_shadow_radius,

            R.dimen.dream_overlay_status_bar_ambient_text_shadow_dx,

            R.dimen.dream_overlay_status_bar_ambient_text_shadow_dy,

            AMBIENT_SHADOW_ALPHA