1 /* 2 * Copyright (C) 2017 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.app.admin.DevicePolicyManager; 20 import android.content.Context; 21 import android.hardware.fingerprint.FingerprintManager; 22 23 import com.android.settings.R; 24 import com.android.settings.Utils; 25 26 import com.google.android.setupcompat.template.FooterButton; 27 28 public class FingerprintSuggestionActivity extends SetupFingerprintEnrollIntroduction { 29 30 @Override initViews()31 protected void initViews() { 32 super.initViews(); 33 34 final FooterButton cancelButton = getCancelButton(); 35 cancelButton.setText( 36 this, R.string.security_settings_fingerprint_enroll_introduction_cancel); 37 } 38 39 @Override finish()40 public void finish() { 41 // Always use RESULT_CANCELED because this action can be done multiple times 42 setResult(RESULT_CANCELED); 43 super.finish(); 44 } 45 isSuggestionComplete(Context context)46 public static boolean isSuggestionComplete(Context context) { 47 return !Utils.hasFingerprintHardware(context) 48 || !isFingerprintEnabled(context) 49 || isNotSingleFingerprintEnrolled(context); 50 } 51 isNotSingleFingerprintEnrolled(Context context)52 private static boolean isNotSingleFingerprintEnrolled(Context context) { 53 final FingerprintManager manager = Utils.getFingerprintManagerOrNull(context); 54 return manager == null || manager.getEnrolledFingerprints().size() != 1; 55 } 56 isFingerprintEnabled(Context context)57 static boolean isFingerprintEnabled(Context context) { 58 final DevicePolicyManager dpManager = 59 (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE); 60 final int dpmFlags = dpManager.getKeyguardDisabledFeatures(null, /* admin */ 61 context.getUserId()); 62 return (dpmFlags & DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT) == 0; 63 } 64 } 65