/* * Copyright (C) 2014 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 com.android.systemui.statusbar; import static com.android.systemui.DejankUtils.whitelistIpcs; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.app.admin.DevicePolicyManager; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.UserInfo; import android.content.res.ColorStateList; import android.graphics.Color; import android.hardware.biometrics.BiometricSourceType; import android.hardware.face.FaceManager; import android.hardware.fingerprint.FingerprintManager; import android.os.BatteryManager; import android.os.Handler; import android.os.Message; import android.os.RemoteException; import android.os.UserHandle; import android.os.UserManager; import android.text.TextUtils; import android.text.format.Formatter; import android.util.Log; import android.view.View; import android.view.ViewGroup; import androidx.annotation.Nullable; import com.android.internal.annotations.VisibleForTesting; import com.android.internal.app.IBatteryStats; import com.android.internal.widget.ViewClippingUtil; import com.android.keyguard.KeyguardUpdateMonitor; import com.android.keyguard.KeyguardUpdateMonitorCallback; import com.android.settingslib.Utils; import com.android.settingslib.fuelgauge.BatteryStatus; import com.android.systemui.Interpolators; import com.android.systemui.R; import com.android.systemui.broadcast.BroadcastDispatcher; import com.android.systemui.dock.DockManager; import com.android.systemui.plugins.statusbar.StatusBarStateController; import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener; import com.android.systemui.statusbar.phone.KeyguardIndicationTextView; import com.android.systemui.statusbar.phone.LockscreenLockIconController; import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager; import com.android.systemui.statusbar.policy.KeyguardStateController; import com.android.systemui.util.wakelock.SettableWakeLock; import com.android.systemui.util.wakelock.WakeLock; import java.io.FileDescriptor; import java.io.PrintWriter; import java.text.NumberFormat; import java.util.IllegalFormatConversionException; import javax.inject.Inject; import javax.inject.Singleton; /** * Controls the indications and error messages shown on the Keyguard */ @Singleton public class KeyguardIndicationController implements StateListener, KeyguardStateController.Callback { private static final String TAG = "KeyguardIndication"; private static final boolean DEBUG_CHARGING_SPEED = false; private static final int MSG_HIDE_TRANSIENT = 1; private static final int MSG_CLEAR_BIOMETRIC_MSG = 2; private static final int MSG_SWIPE_UP_TO_UNLOCK = 3; private static final long TRANSIENT_BIOMETRIC_ERROR_TIMEOUT = 1300; private static final float BOUNCE_ANIMATION_FINAL_Y = 0f; private final Context mContext; private final BroadcastDispatcher mBroadcastDispatcher; private final KeyguardStateController mKeyguardStateController; private final StatusBarStateController mStatusBarStateController; private final KeyguardUpdateMonitor mKeyguardUpdateMonitor; private ViewGroup mIndicationArea; private KeyguardIndicationTextView mTextView; private KeyguardIndicationTextView mDisclosure; private final IBatteryStats mBatteryInfo; private final SettableWakeLock mWakeLock; private final DockManager mDockManager; private final DevicePolicyManager mDevicePolicyManager; private final UserManager mUserManager; private BroadcastReceiver mBroadcastReceiver; private LockscreenLockIconController mLockIconController; private StatusBarKeyguardViewManager mStatusBarKeyguardViewManager; private String mRestingIndication; private String mAlignmentIndication; private CharSequence mTransientIndication; private boolean mTransientTextIsError; private ColorStateList mInitialTextColorState; private boolean mVisible; private boolean mHideTransientMessageOnScreenOff; private boolean mPowerPluggedIn; private boolean mPowerPluggedInWired; private boolean mPowerCharged; private boolean mBatteryOverheated; private boolean mEnableBatteryDefender; private int mChargingSpeed; private int mChargingWattage; private int mBatteryLevel; private boolean mBatteryPresent = true; private long mChargingTimeRemaining; private float mDisclosureMaxAlpha; private String mMessageToShowOnScreenOn; private KeyguardUpdateMonitorCallback mUpdateMonitorCallback; private boolean mDozing; private final ViewClippingUtil.ClippingParameters mClippingParams = new ViewClippingUtil.ClippingParameters() { @Override public boolean shouldFinish(View view) { return view == mIndicationArea; } }; /** * Creates a new KeyguardIndicationController and registers callbacks. */ @Inject public KeyguardIndicationController(Context context, WakeLock.Builder wakeLockBuilder, KeyguardStateController keyguardStateController, StatusBarStateController statusBarStateController, KeyguardUpdateMonitor keyguardUpdateMonitor, DockManager dockManager, BroadcastDispatcher broadcastDispatcher, DevicePolicyManager devicePolicyManager, IBatteryStats iBatteryStats, UserManager userManager) { mContext = context; mBroadcastDispatcher = broadcastDispatcher; mDevicePolicyManager = devicePolicyManager; mKeyguardStateController = keyguardStateController; mStatusBarStateController = statusBarStateController; mKeyguardUpdateMonitor = keyguardUpdateMonitor; mDockManager = dockManager; mDockManager.addAlignmentStateListener( alignState -> mHandler.post(() -> handleAlignStateChanged(alignState))); mWakeLock = new SettableWakeLock( wakeLockBuilder.setTag("Doze:KeyguardIndication").build(), TAG); mBatteryInfo = iBatteryStats; mUserManager = userManager; mKeyguardUpdateMonitor.registerCallback(getKeyguardCallback()); mKeyguardUpdateMonitor.registerCallback(mTickReceiver); mStatusBarStateController.addCallback(this); mKeyguardStateController.addCallback(this); } public void setIndicationArea(ViewGroup indicationArea) { mIndicationArea = indicationArea; mTextView = indicationArea.findViewById(R.id.keyguard_indication_text); mInitialTextColorState = mTextView != null ? mTextView.getTextColors() : ColorStateList.valueOf(Color.WHITE); mDisclosure = indicationArea.findViewById(R.id.keyguard_indication_enterprise_disclosure); mDisclosureMaxAlpha = mDisclosure.getAlpha(); updateIndication(false /* animate */); updateDisclosure(); if (mBroadcastReceiver == null) { // Update the disclosure proactively to avoid IPC on the critical path. mBroadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { updateDisclosure(); } }; IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); intentFilter.addAction(Intent.ACTION_USER_REMOVED); mBroadcastDispatcher.registerReceiver(mBroadcastReceiver, intentFilter); } } public void setLockIconController(LockscreenLockIconController lockIconController) { mLockIconController = lockIconController; } private void handleAlignStateChanged(int alignState) { String alignmentIndication = ""; if (alignState == DockManager.ALIGN_STATE_POOR) { alignmentIndication = mContext.getResources().getString(R.string.dock_alignment_slow_charging); } else if (alignState == DockManager.ALIGN_STATE_TERRIBLE) { alignmentIndication = mContext.getResources().getString(R.string.dock_alignment_not_charging); } if (!alignmentIndication.equals(mAlignmentIndication)) { mAlignmentIndication = alignmentIndication; updateIndication(false); } } /** * Gets the {@link KeyguardUpdateMonitorCallback} instance associated with this * {@link KeyguardIndicationController}. * *

Subclasses may override this method to extend or change the callback behavior by extending * the {@link BaseKeyguardCallback}. * * @return A KeyguardUpdateMonitorCallback. Multiple calls to this method must return the * same instance. */ protected KeyguardUpdateMonitorCallback getKeyguardCallback() { if (mUpdateMonitorCallback == null) { mUpdateMonitorCallback = new BaseKeyguardCallback(); } return mUpdateMonitorCallback; } private void updateDisclosure() { // NOTE: Because this uses IPC, avoid calling updateDisclosure() on a critical path. if (whitelistIpcs(this::isOrganizationOwnedDevice)) { CharSequence organizationName = getOrganizationOwnedDeviceOrganizationName(); if (organizationName != null) { mDisclosure.switchIndication(mContext.getResources().getString( R.string.do_disclosure_with_name, organizationName)); } else { mDisclosure.switchIndication(R.string.do_disclosure_generic); } mDisclosure.setVisibility(View.VISIBLE); } else { mDisclosure.setVisibility(View.GONE); } } private boolean isOrganizationOwnedDevice() { return mDevicePolicyManager.isDeviceManaged() || mDevicePolicyManager.isOrganizationOwnedDeviceWithManagedProfile(); } @Nullable private CharSequence getOrganizationOwnedDeviceOrganizationName() { if (mDevicePolicyManager.isDeviceManaged()) { return mDevicePolicyManager.getDeviceOwnerOrganizationName(); } else if (mDevicePolicyManager.isOrganizationOwnedDeviceWithManagedProfile()) { return getWorkProfileOrganizationName(); } return null; } private CharSequence getWorkProfileOrganizationName() { final int profileId = getWorkProfileUserId(UserHandle.myUserId()); if (profileId == UserHandle.USER_NULL) { return null; } return mDevicePolicyManager.getOrganizationNameForUser(profileId); } private int getWorkProfileUserId(int userId) { for (final UserInfo userInfo : mUserManager.getProfiles(userId)) { if (userInfo.isManagedProfile()) { return userInfo.id; } } return UserHandle.USER_NULL; } public void setVisible(boolean visible) { mVisible = visible; mIndicationArea.setVisibility(visible ? View.VISIBLE : View.GONE); if (visible) { // If this is called after an error message was already shown, we should not clear it. // Otherwise the error message won't be shown if (!mHandler.hasMessages(MSG_HIDE_TRANSIENT)) { hideTransientIndication(); } updateIndication(false); } else if (!visible) { // If we unlock and return to keyguard quickly, previous error should not be shown hideTransientIndication(); } } /** * Sets the indication that is shown if nothing else is showing. */ public void setRestingIndication(String restingIndication) { mRestingIndication = restingIndication; updateIndication(false); } /** * Returns the indication text indicating that trust has been granted. * * @return {@code null} or an empty string if a trust indication text should not be shown. */ @VisibleForTesting String getTrustGrantedIndication() { return mContext.getString(R.string.keyguard_indication_trust_unlocked); } /** * Sets if the device is plugged in */ @VisibleForTesting void setPowerPluggedIn(boolean plugged) { mPowerPluggedIn = plugged; } /** * Returns the indication text indicating that trust is currently being managed. * * @return {@code null} or an empty string if a trust managed text should not be shown. */ private String getTrustManagedIndication() { return null; } /** * Hides transient indication in {@param delayMs}. */ public void hideTransientIndicationDelayed(long delayMs) { mHandler.sendMessageDelayed( mHandler.obtainMessage(MSG_HIDE_TRANSIENT), delayMs); } /** * Shows {@param transientIndication} until it is hidden by {@link #hideTransientIndication}. */ public void showTransientIndication(int transientIndication) { showTransientIndication(mContext.getResources().getString(transientIndication)); } /** * Shows {@param transientIndication} until it is hidden by {@link #hideTransientIndication}. */ public void showTransientIndication(CharSequence transientIndication) { showTransientIndication(transientIndication, false /* isError */, false /* hideOnScreenOff */); } /** * Shows {@param transientIndication} until it is hidden by {@link #hideTransientIndication}. */ private void showTransientIndication(CharSequence transientIndication, boolean isError, boolean hideOnScreenOff) { mTransientIndication = transientIndication; mHideTransientMessageOnScreenOff = hideOnScreenOff && transientIndication != null; mTransientTextIsError = isError; mHandler.removeMessages(MSG_HIDE_TRANSIENT); mHandler.removeMessages(MSG_SWIPE_UP_TO_UNLOCK); if (mDozing && !TextUtils.isEmpty(mTransientIndication)) { // Make sure this doesn't get stuck and burns in. Acquire wakelock until its cleared. mWakeLock.setAcquired(true); hideTransientIndicationDelayed(BaseKeyguardCallback.HIDE_DELAY_MS); } updateIndication(false); } /** * Hides transient indication. */ public void hideTransientIndication() { if (mTransientIndication != null) { mTransientIndication = null; mHideTransientMessageOnScreenOff = false; mHandler.removeMessages(MSG_HIDE_TRANSIENT); updateIndication(false); } } protected final void updateIndication(boolean animate) { if (TextUtils.isEmpty(mTransientIndication)) { mWakeLock.setAcquired(false); } if (!mVisible) { return; } // A few places might need to hide the indication, so always start by making it visible mIndicationArea.setVisibility(View.VISIBLE); // Walk down a precedence-ordered list of what indication // should be shown based on user or device state if (mDozing) { // When dozing we ignore any text color and use white instead, because // colors can be hard to read in low brightness. mTextView.setTextColor(Color.WHITE); if (!TextUtils.isEmpty(mTransientIndication)) { mTextView.switchIndication(mTransientIndication); } else if (!mBatteryPresent) { // If there is no battery detected, hide the indication and bail mIndicationArea.setVisibility(View.GONE); } else if (!TextUtils.isEmpty(mAlignmentIndication)) { mTextView.switchIndication(mAlignmentIndication); mTextView.setTextColor(mContext.getColor(R.color.misalignment_text_color)); } else if (mPowerPluggedIn || mEnableBatteryDefender) { String indication = computePowerIndication(); if (animate) { animateText(mTextView, indication); } else { mTextView.switchIndication(indication); } } else { String percentage = NumberFormat.getPercentInstance() .format(mBatteryLevel / 100f); mTextView.switchIndication(percentage); } return; } int userId = KeyguardUpdateMonitor.getCurrentUser(); String trustGrantedIndication = getTrustGrantedIndication(); String trustManagedIndication = getTrustManagedIndication(); String powerIndication = null; if (mPowerPluggedIn || mEnableBatteryDefender) { powerIndication = computePowerIndication(); } // Some cases here might need to hide the indication (if the battery is not present) boolean hideIndication = false; boolean isError = false; if (!mKeyguardUpdateMonitor.isUserUnlocked(userId)) { mTextView.switchIndication(com.android.internal.R.string.lockscreen_storage_locked); } else if (!TextUtils.isEmpty(mTransientIndication)) { if (powerIndication != null && !mTransientIndication.equals(powerIndication)) { String indication = mContext.getResources().getString( R.string.keyguard_indication_trust_unlocked_plugged_in, mTransientIndication, powerIndication); mTextView.switchIndication(indication); hideIndication = !mBatteryPresent; } else { mTextView.switchIndication(mTransientIndication); } isError = mTransientTextIsError; } else if (!TextUtils.isEmpty(trustGrantedIndication) && mKeyguardUpdateMonitor.getUserHasTrust(userId)) { if (powerIndication != null) { String indication = mContext.getResources().getString( R.string.keyguard_indication_trust_unlocked_plugged_in, trustGrantedIndication, powerIndication); mTextView.switchIndication(indication); hideIndication = !mBatteryPresent; } else { mTextView.switchIndication(trustGrantedIndication); } } else if (!TextUtils.isEmpty(mAlignmentIndication)) { mTextView.switchIndication(mAlignmentIndication); isError = true; hideIndication = !mBatteryPresent; } else if (mPowerPluggedIn || mEnableBatteryDefender) { if (DEBUG_CHARGING_SPEED) { powerIndication += ", " + (mChargingWattage / 1000) + " mW"; } if (animate) { animateText(mTextView, powerIndication); } else { mTextView.switchIndication(powerIndication); } hideIndication = !mBatteryPresent; } else if (!TextUtils.isEmpty(trustManagedIndication) && mKeyguardUpdateMonitor.getUserTrustIsManaged(userId) && !mKeyguardUpdateMonitor.getUserHasTrust(userId)) { mTextView.switchIndication(trustManagedIndication); } else { mTextView.switchIndication(mRestingIndication); } mTextView.setTextColor(isError ? Utils.getColorError(mContext) : mInitialTextColorState); if (hideIndication) { mIndicationArea.setVisibility(View.GONE); } } // animates textView - textView moves up and bounces down private void animateText(KeyguardIndicationTextView textView, String indication) { int yTranslation = mContext.getResources().getInteger( R.integer.wired_charging_keyguard_text_animation_distance); int animateUpDuration = mContext.getResources().getInteger( R.integer.wired_charging_keyguard_text_animation_duration_up); int animateDownDuration = mContext.getResources().getInteger( R.integer.wired_charging_keyguard_text_animation_duration_down); textView.animate().cancel(); ViewClippingUtil.setClippingDeactivated(textView, true, mClippingParams); textView.animate() .translationYBy(yTranslation) .setInterpolator(Interpolators.LINEAR) .setDuration(animateUpDuration) .setListener(new AnimatorListenerAdapter() { private boolean mCancelled; @Override public void onAnimationStart(Animator animation) { textView.switchIndication(indication); } @Override public void onAnimationCancel(Animator animation) { textView.setTranslationY(BOUNCE_ANIMATION_FINAL_Y); mCancelled = true; } @Override public void onAnimationEnd(Animator animation) { if (mCancelled) { ViewClippingUtil.setClippingDeactivated(textView, false, mClippingParams); return; } textView.animate() .setDuration(animateDownDuration) .setInterpolator(Interpolators.BOUNCE) .translationY(BOUNCE_ANIMATION_FINAL_Y) .setListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { textView.setTranslationY(BOUNCE_ANIMATION_FINAL_Y); ViewClippingUtil.setClippingDeactivated(textView, false, mClippingParams); } }); } }); } protected String computePowerIndication() { if (mPowerCharged) { return mContext.getResources().getString(R.string.keyguard_charged); } int chargingId; String percentage = NumberFormat.getPercentInstance().format(mBatteryLevel / 100f); if (mBatteryOverheated) { chargingId = R.string.keyguard_plugged_in_charging_limited; return mContext.getResources().getString(chargingId, percentage); } final boolean hasChargingTime = mChargingTimeRemaining > 0; if (mPowerPluggedInWired) { switch (mChargingSpeed) { case BatteryStatus.CHARGING_FAST: chargingId = hasChargingTime ? R.string.keyguard_indication_charging_time_fast : R.string.keyguard_plugged_in_charging_fast; break; case BatteryStatus.CHARGING_SLOWLY: chargingId = hasChargingTime ? R.string.keyguard_indication_charging_time_slowly : R.string.keyguard_plugged_in_charging_slowly; break; default: chargingId = hasChargingTime ? R.string.keyguard_indication_charging_time : R.string.keyguard_plugged_in; break; } } else { chargingId = hasChargingTime ? R.string.keyguard_indication_charging_time_wireless : R.string.keyguard_plugged_in_wireless; } if (hasChargingTime) { // We now have battery percentage in these strings and it's expected that all // locales will also have it in the future. For now, we still have to support the old // format until all languages get the new translations. String chargingTimeFormatted = Formatter.formatShortElapsedTimeRoundingUpToMinutes( mContext, mChargingTimeRemaining); try { return mContext.getResources().getString(chargingId, chargingTimeFormatted, percentage); } catch (IllegalFormatConversionException e) { return mContext.getResources().getString(chargingId, chargingTimeFormatted); } } else { // Same as above try { return mContext.getResources().getString(chargingId, percentage); } catch (IllegalFormatConversionException e) { return mContext.getResources().getString(chargingId); } } } public void setStatusBarKeyguardViewManager( StatusBarKeyguardViewManager statusBarKeyguardViewManager) { mStatusBarKeyguardViewManager = statusBarKeyguardViewManager; } private final KeyguardUpdateMonitorCallback mTickReceiver = new KeyguardUpdateMonitorCallback() { @Override public void onTimeChanged() { if (mVisible) { updateIndication(false /* animate */); } } }; private final Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { if (msg.what == MSG_HIDE_TRANSIENT) { hideTransientIndication(); } else if (msg.what == MSG_CLEAR_BIOMETRIC_MSG) { if (mLockIconController != null) { mLockIconController.setTransientBiometricsError(false); } } else if (msg.what == MSG_SWIPE_UP_TO_UNLOCK) { showSwipeUpToUnlock(); } } }; private void showSwipeUpToUnlock() { if (mDozing) { return; } if (mStatusBarKeyguardViewManager.isBouncerShowing()) { String message = mContext.getString(R.string.keyguard_retry); mStatusBarKeyguardViewManager.showBouncerMessage(message, mInitialTextColorState); } else if (mKeyguardUpdateMonitor.isScreenOn()) { showTransientIndication(mContext.getString(R.string.keyguard_unlock), false /* isError */, true /* hideOnScreenOff */); hideTransientIndicationDelayed(BaseKeyguardCallback.HIDE_DELAY_MS); } } public void setDozing(boolean dozing) { if (mDozing == dozing) { return; } mDozing = dozing; if (mHideTransientMessageOnScreenOff && mDozing) { hideTransientIndication(); } else { updateIndication(false); } } public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { pw.println("KeyguardIndicationController:"); pw.println(" mTransientTextIsError: " + mTransientTextIsError); pw.println(" mInitialTextColorState: " + mInitialTextColorState); pw.println(" mPowerPluggedInWired: " + mPowerPluggedInWired); pw.println(" mPowerPluggedIn: " + mPowerPluggedIn); pw.println(" mPowerCharged: " + mPowerCharged); pw.println(" mChargingSpeed: " + mChargingSpeed); pw.println(" mChargingWattage: " + mChargingWattage); pw.println(" mMessageToShowOnScreenOn: " + mMessageToShowOnScreenOn); pw.println(" mDozing: " + mDozing); pw.println(" mBatteryLevel: " + mBatteryLevel); pw.println(" mBatteryPresent: " + mBatteryPresent); pw.println(" mTextView.getText(): " + (mTextView == null ? null : mTextView.getText())); pw.println(" computePowerIndication(): " + computePowerIndication()); } @Override public void onStateChanged(int newState) { // don't care } @Override public void onDozingChanged(boolean isDozing) { setDozing(isDozing); } @Override public void onDozeAmountChanged(float linear, float eased) { mDisclosure.setAlpha((1 - linear) * mDisclosureMaxAlpha); } @Override public void onUnlockedChanged() { updateIndication(!mDozing); } protected class BaseKeyguardCallback extends KeyguardUpdateMonitorCallback { public static final int HIDE_DELAY_MS = 5000; @Override public void onRefreshBatteryInfo(BatteryStatus status) { boolean isChargingOrFull = status.status == BatteryManager.BATTERY_STATUS_CHARGING || status.status == BatteryManager.BATTERY_STATUS_FULL; boolean wasPluggedIn = mPowerPluggedIn; mPowerPluggedInWired = status.isPluggedInWired() && isChargingOrFull; mPowerPluggedIn = status.isPluggedIn() && isChargingOrFull; mPowerCharged = status.isCharged(); mChargingWattage = status.maxChargingWattage; mChargingSpeed = status.getChargingSpeed(mContext); mBatteryLevel = status.level; mBatteryOverheated = status.isOverheated(); mEnableBatteryDefender = mBatteryOverheated && status.isPluggedIn(); mBatteryPresent = status.present; try { mChargingTimeRemaining = mPowerPluggedIn ? mBatteryInfo.computeChargeTimeRemaining() : -1; } catch (RemoteException e) { Log.e(TAG, "Error calling IBatteryStats: ", e); mChargingTimeRemaining = -1; } updateIndication(!wasPluggedIn && mPowerPluggedInWired); if (mDozing) { if (!wasPluggedIn && mPowerPluggedIn) { showTransientIndication(computePowerIndication()); hideTransientIndicationDelayed(HIDE_DELAY_MS); } else if (wasPluggedIn && !mPowerPluggedIn) { hideTransientIndication(); } } } @Override public void onBiometricHelp(int msgId, String helpString, BiometricSourceType biometricSourceType) { // TODO(b/141025588): refactor to reduce repetition of code/comments // Only checking if unlocking with Biometric is allowed (no matter strong or non-strong // as long as primary auth, i.e. PIN/pattern/password, is not required), so it's ok to // pass true for isStrongBiometric to isUnlockingWithBiometricAllowed() to bypass the // check of whether non-strong biometric is allowed if (!mKeyguardUpdateMonitor .isUnlockingWithBiometricAllowed(true /* isStrongBiometric */)) { return; } boolean showSwipeToUnlock = msgId == KeyguardUpdateMonitor.BIOMETRIC_HELP_FACE_NOT_RECOGNIZED; if (mStatusBarKeyguardViewManager.isBouncerShowing()) { mStatusBarKeyguardViewManager.showBouncerMessage(helpString, mInitialTextColorState); } else if (mKeyguardUpdateMonitor.isScreenOn()) { showTransientIndication(helpString, false /* isError */, showSwipeToUnlock); if (!showSwipeToUnlock) { hideTransientIndicationDelayed(TRANSIENT_BIOMETRIC_ERROR_TIMEOUT); } } if (showSwipeToUnlock) { mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_SWIPE_UP_TO_UNLOCK), TRANSIENT_BIOMETRIC_ERROR_TIMEOUT); } } @Override public void onBiometricError(int msgId, String errString, BiometricSourceType biometricSourceType) { if (shouldSuppressBiometricError(msgId, biometricSourceType, mKeyguardUpdateMonitor)) { return; } animatePadlockError(); if (msgId == FaceManager.FACE_ERROR_TIMEOUT) { // The face timeout message is not very actionable, let's ask the user to // manually retry. showSwipeUpToUnlock(); } else if (mStatusBarKeyguardViewManager.isBouncerShowing()) { mStatusBarKeyguardViewManager.showBouncerMessage(errString, mInitialTextColorState); } else if (mKeyguardUpdateMonitor.isScreenOn()) { showTransientIndication(errString); // We want to keep this message around in case the screen was off hideTransientIndicationDelayed(HIDE_DELAY_MS); } else { mMessageToShowOnScreenOn = errString; } } private void animatePadlockError() { if (mLockIconController != null) { mLockIconController.setTransientBiometricsError(true); } mHandler.removeMessages(MSG_CLEAR_BIOMETRIC_MSG); mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_CLEAR_BIOMETRIC_MSG), TRANSIENT_BIOMETRIC_ERROR_TIMEOUT); } private boolean shouldSuppressBiometricError(int msgId, BiometricSourceType biometricSourceType, KeyguardUpdateMonitor updateMonitor) { if (biometricSourceType == BiometricSourceType.FINGERPRINT) return shouldSuppressFingerprintError(msgId, updateMonitor); if (biometricSourceType == BiometricSourceType.FACE) return shouldSuppressFaceError(msgId, updateMonitor); return false; } private boolean shouldSuppressFingerprintError(int msgId, KeyguardUpdateMonitor updateMonitor) { // Only checking if unlocking with Biometric is allowed (no matter strong or non-strong // as long as primary auth, i.e. PIN/pattern/password, is not required), so it's ok to // pass true for isStrongBiometric to isUnlockingWithBiometricAllowed() to bypass the // check of whether non-strong biometric is allowed return ((!updateMonitor.isUnlockingWithBiometricAllowed(true /* isStrongBiometric */) && msgId != FingerprintManager.FINGERPRINT_ERROR_LOCKOUT_PERMANENT) || msgId == FingerprintManager.FINGERPRINT_ERROR_CANCELED); } private boolean shouldSuppressFaceError(int msgId, KeyguardUpdateMonitor updateMonitor) { // Only checking if unlocking with Biometric is allowed (no matter strong or non-strong // as long as primary auth, i.e. PIN/pattern/password, is not required), so it's ok to // pass true for isStrongBiometric to isUnlockingWithBiometricAllowed() to bypass the // check of whether non-strong biometric is allowed return ((!updateMonitor.isUnlockingWithBiometricAllowed(true /* isStrongBiometric */) && msgId != FaceManager.FACE_ERROR_LOCKOUT_PERMANENT) || msgId == FaceManager.FACE_ERROR_CANCELED); } @Override public void onTrustAgentErrorMessage(CharSequence message) { showTransientIndication(message, true /* isError */, false /* hideOnScreenOff */); } @Override public void onScreenTurnedOn() { if (mMessageToShowOnScreenOn != null) { showTransientIndication(mMessageToShowOnScreenOn, true /* isError */, false /* hideOnScreenOff */); // We want to keep this message around in case the screen was off hideTransientIndicationDelayed(HIDE_DELAY_MS); mMessageToShowOnScreenOn = null; } } @Override public void onBiometricRunningStateChanged(boolean running, BiometricSourceType biometricSourceType) { if (running) { // Let's hide any previous messages when authentication starts, otherwise // multiple auth attempts would overlap. hideTransientIndication(); mMessageToShowOnScreenOn = null; } } @Override public void onBiometricAuthenticated(int userId, BiometricSourceType biometricSourceType, boolean isStrongBiometric) { super.onBiometricAuthenticated(userId, biometricSourceType, isStrongBiometric); mHandler.sendEmptyMessage(MSG_HIDE_TRANSIENT); } @Override public void onUserSwitchComplete(int userId) { if (mVisible) { updateIndication(false); } } @Override public void onUserUnlocked() { if (mVisible) { updateIndication(false); } } } }