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Commit d41b9a21 authored by Ilya Matyukhin's avatar Ilya Matyukhin
Browse files

Add shadow to make the sensor area visible on white background 

Bug: 158135499
Test: manual on device
Change-Id: I2547b9bb36db5a4b7f3b281f1331b048186c391b
parent 6c1cf6cc

packages/SystemUI/src/com/android/systemui/biometrics/UdfpsView.java

+9 −1
Original line number Diff line number Diff line
@@ -36,6 +36,10 @@ import com.android.systemui.R; 
public class UdfpsView extends View {

    private static final String TAG = "UdfpsView";



    // Values in pixels.

    private static final float SENSOR_SHADOW_OFFSET = 2.0f;

    private static final float SENSOR_OUTLINE_WIDTH = 2.0f;



    private final Rect mScrimRect;

    private final Paint mScrimPaint;
@@ -76,7 +80,6 @@ public class UdfpsView extends View { 
            a.recycle();

        }





        mScrimRect = new Rect();

        mScrimPaint = new Paint(0 /* flags */);

        mScrimPaint.setColor(Color.BLACK);
@@ -85,6 +88,9 @@ public class UdfpsView extends View { 
        mSensorPaint = new Paint(0 /* flags */);

        mSensorPaint.setColor(Color.WHITE);

        mSensorPaint.setStyle(Paint.Style.STROKE);

        mSensorPaint.setStrokeWidth(SENSOR_OUTLINE_WIDTH);

        mSensorPaint.setShadowLayer(SENSOR_OUTLINE_WIDTH, 0, 0, Color.BLACK);

        mSensorPaint.setAntiAlias(true);



        mTouchableRegion = new Rect();

        mInsetsListener = internalInsetsInfo -> {
@@ -108,6 +114,8 @@ public class UdfpsView extends View { 
        mSensorY = h - mSensorMarginBottom - mSensorRadius;

        mSensorRect.set(mSensorX - mSensorRadius, mSensorY - mSensorRadius,

                mSensorX + mSensorRadius, mSensorY + mSensorRadius);



        // Sets mTouchableRegion with rounded up values from mSensorRect.

        mSensorRect.roundOut(mTouchableRegion);



        getViewTreeObserver().addOnComputeInternalInsetsListener(mInsetsListener);