Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ee8252b5 authored by Hao Dong's avatar Hao Dong
Browse files

Show a dialog preventing fingerprint enrollment in split mode. 

Test: atest CombinedBiometricProfileSettingsTest
Test: atest FingerprintSettingsFragmentTest
Test: manaul test- go to split screen mode and try to enroll
fingerprint
Bug: 246247132

Change-Id: I12357d197f2ceda8c1f1f582cdecb20fd18e30f7
parent 509f94a8

res/values/strings.xml

+6 −0
Original line number Diff line number Diff line
@@ -875,6 +875,12 @@ 
    <string name="biometric_settings_use_face_or_fingerprint_preference_summary">Using face or fingerprint</string>

    <!-- Button text shown during enrollment to proceed after a child user has handed the device to a parent or guardian. [CHAR LIMIT=22] -->

    <string name="biometric_settings_hand_back_to_guardian_ok">OK</string>

    <!-- Dialog title for dialog which shows when trying to add fingerprint in split mode. [CHAR LIMIT=45] -->

    <string name="biometric_settings_add_fingerprint_in_split_mode_title">Can\u2019t set up fingerprint</string>

    <!-- Dialog message for dialog which shows when trying to add fingerprint in split mode. [CHAR LIMIT=45] -->

    <string name="biometric_settings_add_fingerprint_in_split_mode_message">Exit split screen to set up Fingerprint Unlock</string>

    <!-- Button text shown in adding fingerprint dialog that allows the user to go back to the settings page [CHAR LIMIT=22] -->

    <string name="biometric_settings_add_fingerprint_in_split_mode_ok">OK</string>









    <!-- Title of dialog shown when the user tries to skip setting up a screen lock, warning them of potential consequences of not doing so [CHAR LIMIT=30]-->









    <string name="lock_screen_intro_skip_title">Skip screen lock?</string>
































src/com/android/settings/biometrics/combination/BiometricsSettingsBase.java



+32
−0






























Original line number
Diff line number
Diff line







@@ -41,6 +41,7 @@ import com.android.settings.R;







import com.android.settings.Utils;









import com.android.settings.biometrics.BiometricEnrollBase;









import com.android.settings.biometrics.BiometricUtils;









import com.android.settings.biometrics.fingerprint.FingerprintSettings.FingerprintSettingsFragment;









import com.android.settings.core.SettingsBaseActivity;









import com.android.settings.dashboard.DashboardFragment;









import com.android.settings.password.ChooseLockGeneric;








@@ -166,6 +167,14 @@ public abstract class BiometricsSettingsBase extends DashboardFragment {







            return true;









        } else if (getFingerprintPreferenceKey().equals(key)) {









            mDoNotFinishActivity = true;



















            if (shouldSkipForUdfpsInMultiWindowMode()) {









                new FingerprintSettingsFragment.FingerprintSplitScreenDialog().show(









                        getActivity().getSupportFragmentManager(),









                        FingerprintSettingsFragment.FingerprintSplitScreenDialog.class.getName());









                return true;









            }



















            mFingerprintManager.generateChallenge(mUserId, (sensorId, userId, challenge) -> {









                try {









                    final byte[] token = requestGatekeeperHat(context, mGkPwHandle, mUserId,








@@ -377,4 +386,27 @@ public abstract class BiometricsSettingsBase extends DashboardFragment {







            return 0;









        }









    }



















    /**









     * Returns whether the click should be skipped.









     * True if the following conditions are all met:









     * 1. It's split mode.









     * 2. It's udfps.









     * 3. There is no enrolled fingerprint. (If there is enrolled fingerprint, FingerprintSettings









     * will handle the adding fingerprint.









     */









    private boolean shouldSkipForUdfpsInMultiWindowMode() {









        if (!getActivity().isInMultiWindowMode() || mFingerprintManager.hasEnrolledFingerprints(









                mUserId)) {









            return false;









        }



















        for (FingerprintSensorPropertiesInternal prop :









                mFingerprintManager.getSensorPropertiesInternal()) {









            if (prop.isAnyUdfpsType()) {









                return true;









            }









        }









        return false;









    }









}
























src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java



+44
−3






























Original line number
Diff line number
Diff line







@@ -159,7 +159,8 @@ public class FingerprintSettings extends SubSettings {

















        private static final String TAG = "FingerprintSettings";









        private static final String KEY_FINGERPRINT_ITEM_PREFIX = "key_fingerprint_item";









        private static final String KEY_FINGERPRINT_ADD = "key_fingerprint_add";









        @VisibleForTesting









        static final String KEY_FINGERPRINT_ADD = "key_fingerprint_add";









        private static final String KEY_FINGERPRINT_ENABLE_KEYGUARD_TOGGLE =









                "fingerprint_enable_keyguard_toggle";









        private static final String KEY_LAUNCHED_CONFIRM = "launched_confirm";








@@ -178,8 +179,8 @@ public class FingerprintSettings extends SubSettings {

















        private static final int CONFIRM_REQUEST = 101;









        private static final int CHOOSE_LOCK_GENERIC_REQUEST = 102;



















        private static final int ADD_FINGERPRINT_REQUEST = 10;









        @VisibleForTesting









        static final int ADD_FINGERPRINT_REQUEST = 10;









        private static final int AUTO_ADD_FIRST_FINGERPRINT_REQUEST = 11;



















        protected static final boolean DEBUG = false;








@@ -694,6 +695,15 @@ public class FingerprintSettings extends SubSettings {







        public boolean onPreferenceTreeClick(Preference pref) {









            final String key = pref.getKey();









            if (KEY_FINGERPRINT_ADD.equals(key)) {









                // If it's udfps in split mode, show the error dialog and don't need to show adding









                // fingerprint intent.









                if (shouldSkipForUdfpsInMultiWindowMode()) {









                    new FingerprintSplitScreenDialog().show(









                            getActivity().getSupportFragmentManager(),









                            FingerprintSplitScreenDialog.class.getName());









                    return true;









                }



















                mIsEnrolling = true;









                Intent intent = new Intent();









                if (FeatureFlagUtils.isEnabled(getContext(),








@@ -997,6 +1007,14 @@ public class FingerprintSettings extends SubSettings {







            updatePreferences();









        }



















        /**









         * Returns whether the click should be skipped.









         * True if it's udfps and it's in split mode.









         */









        private boolean shouldSkipForUdfpsInMultiWindowMode() {









            return getActivity().isInMultiWindowMode() && isUdfps();









        }



















        private final Runnable mFingerprintLockoutReset = new Runnable() {









            @Override









            public void run() {








@@ -1246,6 +1264,29 @@ public class FingerprintSettings extends SubSettings {







                return alertDialog;









            }









        }



















        /**









         * This alert dialog shows when fingerprint is being added in multi window mode.









         */









        public static class FingerprintSplitScreenDialog extends InstrumentedDialogFragment {









            @Override









            public Dialog onCreateDialog(Bundle savedInstanceState) {









                AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());









                builder.setTitle(









                                R.string.biometric_settings_add_fingerprint_in_split_mode_title)









                        .setMessage(









                                R.string.biometric_settings_add_fingerprint_in_split_mode_message)









                        .setPositiveButton(









                                R.string.biometric_settings_add_fingerprint_in_split_mode_ok,









                                (DialogInterface.OnClickListener) (dialog, which) -> dialog.dismiss());









                return builder.create();









            }



















            @Override









            public int getMetricsCategory() {









                return SettingsEnums.DIALOG_ADD_FINGERPRINT_ERROR_IN_SPLIT_MODE;









            }









        }









    }



















    public static class FingerprintPreference extends TwoTargetPreference {
































tests/robotests/src/com/android/settings/biometrics/combination/CombinedBiometricProfileSettingsTest.java



+103
−3






























Original line number
Diff line number
Diff line







@@ -16,7 +16,11 @@

















package com.android.settings.biometrics.combination;



















import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_POWER_BUTTON;









import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_OPTICAL;



















import static com.android.settings.biometrics.combination.BiometricsSettingsBase.CONFIRM_REQUEST;









import static com.android.settings.biometrics.fingerprint.FingerprintSettings.FingerprintSettingsFragment;









import static com.android.settings.password.ChooseLockPattern.RESULT_FINISHED;



















import static com.google.common.truth.Truth.assertThat;








@@ -24,17 +28,24 @@ import static com.google.common.truth.Truth.assertThat;







import static org.mockito.ArgumentMatchers.any;









import static org.mockito.ArgumentMatchers.anyInt;









import static org.mockito.ArgumentMatchers.anyLong;









import static org.mockito.ArgumentMatchers.eq;









import static org.mockito.Mockito.doAnswer;









import static org.mockito.Mockito.doReturn;









import static org.mockito.Mockito.doThrow;









import static org.mockito.Mockito.mock;









import static org.mockito.Mockito.never;









import static org.mockito.Mockito.spy;









import static org.mockito.Mockito.times;









import static org.mockito.Mockito.verify;



















import android.content.Context;









import android.content.Intent;









import android.hardware.biometrics.ComponentInfoInternal;









import android.hardware.biometrics.SensorProperties;









import android.hardware.face.FaceManager;









import android.hardware.fingerprint.FingerprintManager;









import android.hardware.fingerprint.FingerprintSensorProperties;









import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;









import android.os.Bundle;









import android.view.LayoutInflater;









import android.view.View;








@@ -43,6 +54,8 @@ import android.view.ViewGroup;







import androidx.annotation.NonNull;









import androidx.annotation.XmlRes;









import androidx.fragment.app.FragmentActivity;









import androidx.fragment.app.FragmentManager;









import androidx.fragment.app.FragmentTransaction;









import androidx.preference.Preference;









import androidx.preference.PreferenceManager;









import androidx.preference.PreferenceScreen;








@@ -56,6 +69,7 @@ import com.android.settings.testutils.shadow.ShadowSettingsPreferenceFragment;







import com.android.settings.testutils.shadow.ShadowUtils;









import com.android.settingslib.core.AbstractPreferenceController;



















import org.junit.After;









import org.junit.Before;









import org.junit.Rule;









import org.junit.Test;








@@ -80,6 +94,7 @@ public class CombinedBiometricProfileSettingsTest {

















    private TestCombinedBiometricProfileSettings mFragment;









    private Context mContext;









    private FragmentActivity mActivity;



















    @Rule









    public final MockitoRule mMockitoRule = MockitoJUnit.rule();








@@ -91,6 +106,8 @@ public class CombinedBiometricProfileSettingsTest {







    private BiometricSettingsAppPreferenceController mBiometricSettingsAppPreferenceController;









    @Mock









    private FaceManager mFaceManager;









    @Mock









    private FragmentTransaction mFragmentTransaction;



















    @Before









    public void setUp() {








@@ -98,11 +115,11 @@ public class CombinedBiometricProfileSettingsTest {







        ShadowUtils.setFaceManager(mFaceManager);









        FakeFeatureFactory.setupForTest();



















        FragmentActivity activity = Robolectric.buildActivity(FragmentActivity.class,









                new Intent().putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, 1L)).get();









        mActivity = spy(Robolectric.buildActivity(FragmentActivity.class,









                new Intent().putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, 1L)).get());









        mContext = spy(ApplicationProvider.getApplicationContext());









        mFragment = spy(new TestCombinedBiometricProfileSettings(mContext));









        doReturn(activity).when(mFragment).getActivity();









        doReturn(mActivity).when(mFragment).getActivity();



















        ReflectionHelpers.setField(mFragment, "mDashboardFeatureProvider",









                FakeFeatureFactory.setupForTest().dashboardFeatureProvider);








@@ -121,6 +138,11 @@ public class CombinedBiometricProfileSettingsTest {







        }).when(mFragment).findPreference(any());









    }



















    @After









    public void tearDown() {









        ShadowUtils.reset();









    }



















    @Test









    public void testClickFingerprintUnlockWithValidGkPwHandle() {









        doAnswer(invocation -> {








@@ -299,6 +321,84 @@ public class CombinedBiometricProfileSettingsTest {







        assertThat(capturedPreferences.get(0).getKey()).isEqualTo(mFragment.getFacePreferenceKey());









    }



















    @Test









    public void testClickFingerprintUnlockInMultiWindow_onUdfpsDevice_withoutEnrolledFp_showsDialog() {









        clickFingerprintUnlockInSplitScreenMode(TYPE_UDFPS_OPTICAL, /*hasEnrolledFingerprint*/









                false);



















        verify(mBiometricSettingsAppPreferenceController, times(0)).handlePreferenceTreeClick(









                any());









        verify(mFragmentTransaction).add(any(),









                eq(FingerprintSettingsFragment.FingerprintSplitScreenDialog.class.getName()));









    }



















    @Test









    public void testClickFingerprintUnlockInMultiWindow_onUdfpsDevice_withEnrolledFp_noDialog() {









        clickFingerprintUnlockInSplitScreenMode(TYPE_UDFPS_OPTICAL, /*hasEnrolledFingerprint*/true);



















        verify(mBiometricSettingsAppPreferenceController).handlePreferenceTreeClick(









                mPreferenceCaptor.capture());









        List<Preference> capturedPreferences = mPreferenceCaptor.getAllValues();









        assertThat(capturedPreferences.size()).isEqualTo(1);









        assertThat(capturedPreferences.get(0).getKey()).isEqualTo(









                mFragment.getFingerprintPreferenceKey());









        verify(mFragmentTransaction, never()).add(any(),









                eq(FingerprintSettingsFragment.FingerprintSplitScreenDialog.class.getName()));









    }



















    @Test









    public void testClickFingerprintUnlockInMultiWindow_onSfpsDevice_withoutEnrolledFp_noDialog() {









        clickFingerprintUnlockInSplitScreenMode(TYPE_POWER_BUTTON, /*hasEnrolledFingerprint*/false);



















        verify(mBiometricSettingsAppPreferenceController).handlePreferenceTreeClick(









                mPreferenceCaptor.capture());









        List<Preference> capturedPreferences = mPreferenceCaptor.getAllValues();









        assertThat(capturedPreferences.size()).isEqualTo(1);









        assertThat(capturedPreferences.get(0).getKey()).isEqualTo(









                mFragment.getFingerprintPreferenceKey());









        verify(mFragmentTransaction, never()).add(any(),









                eq(FingerprintSettingsFragment.FingerprintSplitScreenDialog.class.getName()));









    }



















    private void clickFingerprintUnlockInSplitScreenMode(









            @FingerprintSensorProperties.SensorType int sensorType,









            boolean hasEnrolledFingerprint) {









        final ArrayList<FingerprintSensorPropertiesInternal> props = new ArrayList<>();









        props.add(new FingerprintSensorPropertiesInternal(









                0 /* sensorId */,









                SensorProperties.STRENGTH_STRONG,









                1 /* maxEnrollmentsPerUser */,









                new ArrayList<ComponentInfoInternal>(),









                sensorType,









                true /* resetLockoutRequiresHardwareAuthToken */));









        doReturn(props).when(mFingerprintManager).getSensorPropertiesInternal();



















        doAnswer(invocation -> {









            final FingerprintManager.GenerateChallengeCallback callback =









                    invocation.getArgument(1);









            callback.onChallengeGenerated(0, 0, 1L);









            return null;









        }).when(mFingerprintManager).generateChallenge(anyInt(), any());









        doReturn(new byte[]{1}).when(mFragment).requestGatekeeperHat(any(), anyLong(), anyInt(),









                anyLong());









        FragmentManager fragmentManager = mock(FragmentManager.class);









        doReturn(fragmentManager).when(mActivity).getSupportFragmentManager();









        doReturn(mFragmentTransaction).when(fragmentManager).beginTransaction();









        doReturn(true).when(mActivity).isInMultiWindowMode();









        doReturn(hasEnrolledFingerprint).when(mFingerprintManager).hasEnrolledFingerprints(









                anyInt());



















        // Start fragment









        mFragment.onAttach(mContext);









        mFragment.onCreate(null);









        mFragment.onCreateView(LayoutInflater.from(mContext), mock(ViewGroup.class), Bundle.EMPTY);









        mFragment.onResume();



















        // User clicks on "Fingerprint Unlock"









        final Preference preference = new Preference(mContext);









        preference.setKey(mFragment.getFingerprintPreferenceKey());









        mFragment.onPreferenceTreeClick(preference);









    }









    /**









     * a test fragment that initializes PreferenceScreen for testing.









     */
































tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintSettingsFragmentTest.java
0 → 100644



+197
−0






























Original line number
Diff line number
Diff line









/*









 * Copyright (C) 2023 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.settings.biometrics.fingerprint;



















import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_POWER_BUTTON;









import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_OPTICAL;



















import static com.android.settings.biometrics.fingerprint.FingerprintSettings.FingerprintSettingsFragment;









import static com.android.settings.biometrics.fingerprint.FingerprintSettings.FingerprintSettingsFragment.ADD_FINGERPRINT_REQUEST;









import static com.android.settings.biometrics.fingerprint.FingerprintSettings.FingerprintSettingsFragment.KEY_FINGERPRINT_ADD;



















import static org.mockito.ArgumentMatchers.any;









import static org.mockito.ArgumentMatchers.anyInt;









import static org.mockito.ArgumentMatchers.anyString;









import static org.mockito.ArgumentMatchers.eq;









import static org.mockito.Mockito.doNothing;









import static org.mockito.Mockito.doReturn;









import static org.mockito.Mockito.mock;









import static org.mockito.Mockito.never;









import static org.mockito.Mockito.spy;









import static org.mockito.Mockito.times;









import static org.mockito.Mockito.verify;



















import android.content.Context;









import android.content.Intent;









import android.hardware.biometrics.ComponentInfoInternal;









import android.hardware.biometrics.SensorProperties;









import android.hardware.fingerprint.FingerprintManager;









import android.hardware.fingerprint.FingerprintSensorProperties;









import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;









import android.os.Bundle;









import android.view.LayoutInflater;









import android.view.ViewGroup;



















import androidx.fragment.app.FragmentActivity;









import androidx.fragment.app.FragmentManager;









import androidx.fragment.app.FragmentTransaction;









import androidx.preference.Preference;









import androidx.test.core.app.ApplicationProvider;



















import com.android.settings.password.ChooseLockSettingsHelper;









import com.android.settings.testutils.FakeFeatureFactory;









import com.android.settings.testutils.shadow.ShadowFragment;









import com.android.settings.testutils.shadow.ShadowSettingsPreferenceFragment;









import com.android.settings.testutils.shadow.ShadowUserManager;









import com.android.settings.testutils.shadow.ShadowUtils;



















import org.junit.After;









import org.junit.Before;









import org.junit.Rule;









import org.junit.Test;









import org.junit.runner.RunWith;









import org.mockito.Mock;









import org.mockito.junit.MockitoJUnit;









import org.mockito.junit.MockitoRule;









import org.robolectric.Robolectric;









import org.robolectric.RobolectricTestRunner;









import org.robolectric.annotation.Config;



















import java.util.ArrayList;



















@RunWith(RobolectricTestRunner.class)









@Config(shadows = {ShadowSettingsPreferenceFragment.class, ShadowUtils.class, ShadowFragment.class,









        ShadowUserManager.class})









public class FingerprintSettingsFragmentTest {









    private FingerprintSettingsFragment mFragment;









    private Context mContext;









    private FragmentActivity mActivity;



















    @Rule









    public final MockitoRule mMockitoRule = MockitoJUnit.rule();









    @Mock









    private FingerprintManager mFingerprintManager;









    @Mock









    private FragmentTransaction mFragmentTransaction;



















    @Before









    public void setUp() {









        doReturn(true).when(mFingerprintManager).isHardwareDetected();









        ShadowUtils.setFingerprintManager(mFingerprintManager);









        FakeFeatureFactory.setupForTest();



















        Intent intent = new Intent();









        intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, new byte[0]);









        intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, 1L);









        mActivity = spy(Robolectric.buildActivity(FragmentActivity.class, intent).get());









        mContext = spy(ApplicationProvider.getApplicationContext());



















        mFragment = spy(new FingerprintSettingsFragment());









        doReturn(mActivity).when(mFragment).getActivity();









        doReturn(mContext).when(mFragment).getContext();



















        FragmentManager fragmentManager = mock(FragmentManager.class);









        doReturn(mFragmentTransaction).when(fragmentManager).beginTransaction();









        doReturn(mFragmentTransaction).when(mFragmentTransaction).add(any(), anyString());









        doReturn(fragmentManager).when(mFragment).getFragmentManager();









        doReturn(fragmentManager).when(mActivity).getSupportFragmentManager();



















        doNothing().when(mFragment).startActivityForResult(any(Intent.class), anyInt());









    }



















    @After









    public void tearDown() {









        ShadowUtils.reset();









    }



















    @Test









    public void testAddFingerprint_onUdfpsDevice_inFullScreen_noDialog() {









        setSensorType(TYPE_UDFPS_OPTICAL);



















        // Start fragment









        mFragment.onAttach(mContext);









        mFragment.onCreate(null);









        mFragment.onCreateView(LayoutInflater.from(mContext), mock(ViewGroup.class), Bundle.EMPTY);









        mFragment.onResume();



















        // Click "Add Fingerprint"









        final Preference preference = new Preference(mContext);









        preference.setKey(KEY_FINGERPRINT_ADD);









        mFragment.onPreferenceTreeClick(preference);



















        verify(mFragment).startActivityForResult(any(), eq(ADD_FINGERPRINT_REQUEST));









        verify(mFragmentTransaction, never()).add(any(),









                eq(FingerprintSettingsFragment.FingerprintSplitScreenDialog.class.getName()));



















    }



















    @Test









    public void testAddFingerprint_onUdfpsDevice_inMultiWindow_showsDialog() {









        setSensorType(TYPE_UDFPS_OPTICAL);



















        // Start fragment









        mFragment.onAttach(mContext);









        mFragment.onCreate(null);









        mFragment.onCreateView(LayoutInflater.from(mContext), mock(ViewGroup.class), Bundle.EMPTY);









        mFragment.onResume();



















        doReturn(true).when(mActivity).isInMultiWindowMode();



















        // Click "Add Fingerprint"









        final Preference preference = new Preference(mContext);









        preference.setKey(KEY_FINGERPRINT_ADD);









        mFragment.onPreferenceTreeClick(preference);



















        verify(mFragment, times(0)).startActivityForResult(any(), eq(ADD_FINGERPRINT_REQUEST));









        verify(mFragmentTransaction).add(any(),









                eq(FingerprintSettingsFragment.FingerprintSplitScreenDialog.class.getName()));









    }



















    @Test









    public void testAddFingerprint_onSfpsDevice_inMultiWindow_noDialog() {









        setSensorType(TYPE_POWER_BUTTON);



















        // Start fragment









        mFragment.onAttach(mContext);









        mFragment.onCreate(null);









        mFragment.onCreateView(LayoutInflater.from(mContext), mock(ViewGroup.class), Bundle.EMPTY);









        mFragment.onResume();



















        doReturn(true).when(mActivity).isInMultiWindowMode();



















        // Click "Add Fingerprint"









        final Preference preference = new Preference(mContext);









        preference.setKey(KEY_FINGERPRINT_ADD);









        mFragment.onPreferenceTreeClick(preference);



















        verify(mFragment).startActivityForResult(any(), eq(ADD_FINGERPRINT_REQUEST));









        verify(mFragmentTransaction, never()).add(any(),









                eq(FingerprintSettingsFragment.FingerprintSplitScreenDialog.class.getName()));









    }



















    private void setSensorType(@FingerprintSensorProperties.SensorType int sensorType) {









        final ArrayList<FingerprintSensorPropertiesInternal> props = new ArrayList<>();









        props.add(new FingerprintSensorPropertiesInternal(









                0 /* sensorId */,









                SensorProperties.STRENGTH_STRONG,









                1 /* maxEnrollmentsPerUser */,









                new ArrayList<ComponentInfoInternal>(),









                sensorType,









                true /* resetLockoutRequiresHardwareAuthToken */));









        doReturn(props).when(mFingerprintManager).getSensorPropertiesInternal();









    }









}