1 /* 2 * Copyright (C) 2018 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.fingerprint; 18 19 import android.content.Context; 20 import android.hardware.fingerprint.FingerprintManager; 21 22 import com.android.settings.R; 23 import com.android.settings.Utils; 24 import com.android.settings.biometrics.BiometricStatusPreferenceController; 25 26 public class FingerprintStatusPreferenceController extends BiometricStatusPreferenceController { 27 28 private static final String KEY_FINGERPRINT_SETTINGS = "fingerprint_settings"; 29 30 protected final FingerprintManager mFingerprintManager; 31 FingerprintStatusPreferenceController(Context context)32 public FingerprintStatusPreferenceController(Context context) { 33 this(context, KEY_FINGERPRINT_SETTINGS); 34 } 35 FingerprintStatusPreferenceController(Context context, String key)36 public FingerprintStatusPreferenceController(Context context, String key) { 37 super(context, key); 38 mFingerprintManager = Utils.getFingerprintManagerOrNull(context); 39 } 40 41 @Override isDeviceSupported()42 protected boolean isDeviceSupported() { 43 return mFingerprintManager != null && mFingerprintManager.isHardwareDetected(); 44 } 45 46 @Override hasEnrolledBiometrics()47 protected boolean hasEnrolledBiometrics() { 48 return mFingerprintManager.hasEnrolledFingerprints(getUserId()); 49 } 50 51 @Override getSummaryTextEnrolled()52 protected String getSummaryTextEnrolled() { 53 final int numEnrolled = mFingerprintManager.getEnrolledFingerprints(getUserId()).size(); 54 return mContext.getResources().getQuantityString( 55 R.plurals.security_settings_fingerprint_preference_summary, 56 numEnrolled, numEnrolled); 57 } 58 59 @Override getSummaryTextNoneEnrolled()60 protected String getSummaryTextNoneEnrolled() { 61 return mContext.getString(R.string.security_settings_fingerprint_preference_summary_none); 62 } 63 64 @Override getSettingsClassName()65 protected String getSettingsClassName() { 66 return FingerprintSettings.class.getName(); 67 } 68 69 @Override getEnrollClassName()70 protected String getEnrollClassName() { 71 return FingerprintEnrollIntroduction.class.getName(); 72 } 73 74 } 75