1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.settings.biometrics.face; 18 19 import android.content.Context; 20 import android.content.Intent; 21 22 import androidx.annotation.NonNull; 23 import androidx.annotation.Nullable; 24 25 /** Feature provider for face unlock */ 26 public interface FaceFeatureProvider { 27 /** Returns specified intent config by resource R.string.config_face_enroll_guidance_page. */ 28 @Nullable getPostureGuidanceIntent(Context context)29 Intent getPostureGuidanceIntent(Context context); 30 31 /** Returns true if attention checking is supported. */ isAttentionSupported(Context context)32 boolean isAttentionSupported(Context context); 33 34 /** Returns true if setup wizard supported face enrollment. */ isSetupWizardSupported(Context context)35 boolean isSetupWizardSupported(Context context); 36 37 /** 38 * Gets the provider for current face enrollment activity classes 39 * @return the provider 40 */ 41 @NonNull getEnrollActivityClassProvider()42 default FaceEnrollActivityClassProvider getEnrollActivityClassProvider() { 43 return FaceEnrollActivityClassProvider.getInstance(); 44 } 45 46 /** 47 * Gets the feature provider for FaceSettings page 48 * @return the provider 49 */ 50 @NonNull getFaceSettingsFeatureProvider()51 default FaceSettingsFeatureProvider getFaceSettingsFeatureProvider() { 52 return FaceSettingsFeatureProvider.getInstance(); 53 } 54 } 55