Add new UdfpsOverlay to SensorOverlays (957309ae) · Commits · e / os / android_frameworks_base

core/java/android/hardware/fingerprint/FingerprintManager.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -918,6 +918,22 @@ public class FingerprintManager implements BiometricAuthenticator, BiometricFing
		}
		}

		/**
		* @hide
		*/
		@RequiresPermission(USE_BIOMETRIC_INTERNAL)
		public void setUdfpsOverlay(@NonNull IUdfpsOverlay controller) {
		if (mService == null) {
		Slog.w(TAG, "setUdfpsOverlay: no fingerprint service");
		return;
		}

		try {
		mService.setUdfpsOverlay(controller);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		/**
		* Forwards BiometricStateListener to FingerprintService

core/java/android/hardware/fingerprint/IFingerprintService.aidl

+5 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.hardware.fingerprint.IFingerprintAuthenticatorsRegisteredCallback
		import android.hardware.fingerprint.IFingerprintServiceReceiver;
		import android.hardware.fingerprint.IUdfpsOverlayController;
		import android.hardware.fingerprint.ISidefpsController;
		import android.hardware.fingerprint.IUdfpsOverlay;
		import android.hardware.fingerprint.Fingerprint;
		import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
		import java.util.List;
		@@ -201,6 +202,10 @@ interface IFingerprintService {
		@EnforcePermission("USE_BIOMETRIC_INTERNAL")
		void setSidefpsController(in ISidefpsController controller);

		// Sets the controller for managing the UDFPS overlay.
		@EnforcePermission("USE_BIOMETRIC_INTERNAL")
		void setUdfpsOverlay(in IUdfpsOverlay controller);

		// Registers BiometricStateListener.
		@EnforcePermission("USE_BIOMETRIC_INTERNAL")
		void registerBiometricStateListener(IBiometricStateListener listener);

core/java/android/hardware/fingerprint/IUdfpsOverlay.aidl

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.hardware.fingerprint;

		/**
		* Interface for interacting with the under-display fingerprint sensor (UDFPS) overlay.
		* @hide
		*/
		oneway interface IUdfpsOverlay {
		// Shows the overlay.
		void show(long requestId, int sensorId, int reason);

		// Hides the overlay.
		void hide(int sensorId);
		}

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

+13 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,8 @@ import com.android.systemui.dagger.SysUISingleton;
		import com.android.systemui.dagger.qualifiers.Main;
		import com.android.systemui.doze.DozeReceiver;
		import com.android.systemui.dump.DumpManager;
		import com.android.systemui.flags.FeatureFlags;
		import com.android.systemui.flags.Flags;
		import com.android.systemui.keyguard.ScreenLifecycle;
		import com.android.systemui.plugins.FalsingManager;
		import com.android.systemui.plugins.statusbar.StatusBarStateController;
		@@ -119,6 +121,7 @@ public class UdfpsController implements DozeReceiver {
		@NonNull private final SystemUIDialogManager mDialogManager;
		@NonNull private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
		@NonNull private final VibratorHelper mVibrator;
		@NonNull private final FeatureFlags mFeatureFlags;
		@NonNull private final FalsingManager mFalsingManager;
		@NonNull private final PowerManager mPowerManager;
		@NonNull private final AccessibilityManager mAccessibilityManager;
		@@ -202,6 +205,10 @@ public class UdfpsController implements DozeReceiver {
		@Override
		public void showUdfpsOverlay(long requestId, int sensorId, int reason,
		@NonNull IUdfpsOverlayControllerCallback callback) {
		if (mFeatureFlags.isEnabled(Flags.NEW_UDFPS_OVERLAY)) {
		return;
		}

		mFgExecutor.execute(() -> UdfpsController.this.showUdfpsOverlay(
		new UdfpsControllerOverlay(mContext, mFingerprintManager, mInflater,
		mWindowManager, mAccessibilityManager, mStatusBarStateController,
		@@ -217,6 +224,10 @@ public class UdfpsController implements DozeReceiver {

		@Override
		public void hideUdfpsOverlay(int sensorId) {
		if (mFeatureFlags.isEnabled(Flags.NEW_UDFPS_OVERLAY)) {
		return;
		}

		mFgExecutor.execute(() -> {
		if (mKeyguardUpdateMonitor.isFingerprintDetectionRunning()) {
		// if we get here, we expect keyguardUpdateMonitor's fingerprintRunningState
		@@ -590,6 +601,7 @@ public class UdfpsController implements DozeReceiver {
		@NonNull StatusBarKeyguardViewManager statusBarKeyguardViewManager,
		@NonNull DumpManager dumpManager,
		@NonNull KeyguardUpdateMonitor keyguardUpdateMonitor,
		@NonNull FeatureFlags featureFlags,
		@NonNull FalsingManager falsingManager,
		@NonNull PowerManager powerManager,
		@NonNull AccessibilityManager accessibilityManager,
		@@ -625,6 +637,7 @@ public class UdfpsController implements DozeReceiver {
		mDumpManager = dumpManager;
		mDialogManager = dialogManager;
		mKeyguardUpdateMonitor = keyguardUpdateMonitor;
		mFeatureFlags = featureFlags;
		mFalsingManager = falsingManager;
		mPowerManager = powerManager;
		mAccessibilityManager = accessibilityManager;

packages/SystemUI/src/com/android/systemui/biometrics/UdfpsOverlay.kt

+98 −41

Original line number	Diff line number	Diff line
		@@ -21,22 +21,25 @@ import android.content.Context
		import android.graphics.PixelFormat
		import android.graphics.Point
		import android.graphics.Rect
		import android.hardware.biometrics.BiometricOverlayConstants
		import android.hardware.fingerprint.FingerprintManager
		import android.hardware.fingerprint.FingerprintSensorPropertiesInternal
		import android.hardware.fingerprint.IFingerprintAuthenticatorsRegisteredCallback
		import android.hardware.fingerprint.IUdfpsOverlay
		import android.os.Handler
		import android.provider.Settings
		import android.view.MotionEvent
		import android.view.View
		import android.view.WindowManager
		import android.view.WindowManager.LayoutParams.INPUT_FEATURE_SPY
		import com.android.keyguard.KeyguardUpdateMonitor
		import com.android.systemui.CoreStartable
		import com.android.systemui.dagger.SysUISingleton
		import com.android.systemui.dagger.qualifiers.Main
		import com.android.systemui.flags.FeatureFlags
		import com.android.systemui.flags.Flags
		import com.android.systemui.util.concurrency.DelayableExecutor
		import com.android.systemui.util.concurrency.Execution
		import java.util.*
		import java.util.Optional
		import java.util.concurrent.Executor
		import javax.inject.Inject
		import kotlin.math.cos
		@@ -45,8 +48,10 @@ import kotlin.math.sin

		private const val TAG = "UdfpsOverlay"

		const val SETTING_OVERLAY_DEBUG = "udfps_overlay_debug"

		// Number of sensor points needed inside ellipse for good overlap
		private const val NEEDED_POINTS = 3
		private const val NEEDED_POINTS = 2

		@SuppressLint("ClickableViewAccessibility")
		@SysUISingleton
		@@ -60,7 +65,7 @@ constructor(
		private val handler: Handler,
		private val biometricExecutor: Executor,
		private val alternateTouchProvider: Optional<AlternateUdfpsTouchProvider>,
		private val fgExecutor: DelayableExecutor,
		@Main private val fgExecutor: DelayableExecutor,
		private val keyguardUpdateMonitor: KeyguardUpdateMonitor,
		private val authController: AuthController,
		private val udfpsLogger: UdfpsLogger,
		@@ -74,9 +79,11 @@ constructor(
		private var requestId: Long = 0
		private var onFingerDown = false
		val size = windowManager.maximumWindowMetrics.bounds

		val udfpsProps: MutableList<FingerprintSensorPropertiesInternal> = mutableListOf()
		var points: Array<Point> = emptyArray()
		var processedMotionEvent = false
		var isShowing = false

		private var params: UdfpsOverlayParams = UdfpsOverlayParams()

		@@ -99,8 +106,8 @@ constructor(
		inputFeatures = INPUT_FEATURE_SPY
		}

		fun onTouch(v: View, event: MotionEvent): Boolean {
		val view = v as UdfpsOverlayView
		fun onTouch(event: MotionEvent): Boolean {
		val view = overlayView!!

		return when (event.action) {
		MotionEvent.ACTION_DOWN,
		@@ -132,10 +139,11 @@ constructor(
		if (keyguardUpdateMonitor.isFingerprintDetectionRunning) {
		keyguardUpdateMonitor.onUdfpsPointerDown(requestId.toInt())
		}
		}

		view.configureDisplay {
		biometricExecutor.execute { alternateTouchProvider.get().onUiReady() }
		biometricExecutor.execute {
		alternateTouchProvider.get().onUiReady()
		}
		}

		processedMotionEvent = true
		@@ -143,6 +151,7 @@ constructor(
		}

		view.invalidate()
		}
		true
		}
		MotionEvent.ACTION_UP,
		@@ -181,7 +190,7 @@ constructor(

		fun checkPoint(event: MotionEvent, point: Point): Boolean {
		// Calculate if sensor point is within ellipse
		// Formula: ((cos(o)(xE - xS) + sin(o)(yE - yS))^2 / a^2) + ((sin(o)(xE - xS) + cos(0)(yE -
		// Formula: ((cos(o)(xE - xS) + sin(o)(yE - yS))^2 / a^2) + ((sin(o)(xE - xS) + cos(o)(yE -
		// yS))^2 / b^2) <= 1
		val a: Float = cos(event.orientation) * (point.x - event.rawX)
		val b: Float = sin(event.orientation) * (point.y - event.rawY)
		@@ -194,32 +203,67 @@ constructor(
		return result <= 1
		}

		fun show(requestId: Long): Boolean {
		fun show(requestId: Long) {
		if (!featureFlags.isEnabled(Flags.NEW_UDFPS_OVERLAY)) {
		return
		}

		this.requestId = requestId
		fgExecutor.execute {
		if (overlayView == null && alternateTouchProvider.isPresent) {
		UdfpsOverlayView(context, null).let {
		it.overlayParams = params
		it.setUdfpsDisplayMode(
		UdfpsDisplayMode(context, execution, authController, udfpsLogger)
		)
		it.setOnTouchListener { v, event -> onTouch(v, event) }
		it.setOnTouchListener { _, event -> onTouch(event) }
		it.sensorPoints = points
		it.debugOverlay =
		Settings.Global.getInt(
		context.contentResolver,
		SETTING_OVERLAY_DEBUG,
		0 /* def */
		) != 0
		overlayView = it
		}
		windowManager.addView(overlayView, coreLayoutParams)
		return true
		isShowing = true
		}
		}

		return false
		}

		fun hide() {
		if (!featureFlags.isEnabled(Flags.NEW_UDFPS_OVERLAY)) {
		return
		}

		fgExecutor.execute {
		if (overlayView != null && isShowing && alternateTouchProvider.isPresent) {
		if (processedMotionEvent) {
		biometricExecutor.execute {
		alternateTouchProvider.get().onPointerUp(requestId)
		}
		fgExecutor.execute {
		if (keyguardUpdateMonitor.isFingerprintDetectionRunning) {
		keyguardUpdateMonitor.onUdfpsPointerUp(requestId.toInt())
		}
		}
		}

		if (overlayView!!.isDisplayConfigured) {
		overlayView!!.unconfigureDisplay()
		}

		overlayView?.apply {
		windowManager.removeView(this)
		setOnTouchListener(null)
		}

		isShowing = false
		overlayView = null
		processedMotionEvent = false
		}
		}
		}

		@Override
		@@ -233,6 +277,18 @@ constructor(
		}
		}
		)

		fingerprintManager?.setUdfpsOverlay(
		object : IUdfpsOverlay.Stub() {
		override fun show(
		requestId: Long,
		sensorId: Int,
		@BiometricOverlayConstants.ShowReason reason: Int
		) = show(requestId)

		override fun hide(sensorId: Int) = hide()
		}
		)
		}

		private fun handleAllFingerprintAuthenticatorsRegistered(
		@@ -257,19 +313,20 @@ constructor(

		val sensorX = params.sensorBounds.centerX()
		val sensorY = params.sensorBounds.centerY()
		val gridOffset: Int = params.sensorBounds.width() / 3
		val cornerOffset: Int = params.sensorBounds.width() / 4
		val sideOffset: Int = params.sensorBounds.width() / 3

		points =
		arrayOf(
		Point(sensorX - gridOffset, sensorY - gridOffset),
		Point(sensorX, sensorY - gridOffset),
		Point(sensorX + gridOffset, sensorY - gridOffset),
		Point(sensorX - gridOffset, sensorY),
		Point(sensorX - cornerOffset, sensorY - cornerOffset),
		Point(sensorX, sensorY - sideOffset),
		Point(sensorX + cornerOffset, sensorY - cornerOffset),
		Point(sensorX - sideOffset, sensorY),
		Point(sensorX, sensorY),
		Point(sensorX + gridOffset, sensorY),
		Point(sensorX - gridOffset, sensorY + gridOffset),
		Point(sensorX, sensorY + gridOffset),
		Point(sensorX + gridOffset, sensorY + gridOffset)
		Point(sensorX + sideOffset, sensorY),
		Point(sensorX - cornerOffset, sensorY + cornerOffset),
		Point(sensorX, sensorY + sideOffset),
		Point(sensorX + cornerOffset, sensorY + cornerOffset)
		)
		}
		}