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; 18 19 import static com.android.settings.biometrics.BiometricEnrollBase.RESULT_FINISHED; 20 import static com.android.settings.biometrics.BiometricEnrollBase.RESULT_TIMEOUT; 21 22 import android.app.Activity; 23 import android.app.Dialog; 24 import android.content.DialogInterface; 25 import android.hardware.biometrics.BiometricConstants; 26 import android.os.Bundle; 27 28 import androidx.appcompat.app.AlertDialog; 29 30 import com.android.settings.core.instrumentation.InstrumentedDialogFragment; 31 32 /** 33 * Abstract dialog, shown when an error occurs during biometric enrollment. 34 */ 35 public abstract class BiometricErrorDialog extends InstrumentedDialogFragment { 36 37 public static final String KEY_ERROR_MSG = "error_msg"; 38 public static final String KEY_ERROR_ID = "error_id"; 39 getTitleResId()40 public abstract int getTitleResId(); getOkButtonTextResId()41 public abstract int getOkButtonTextResId(); 42 43 @Override onCreateDialog(Bundle savedInstanceState)44 public Dialog onCreateDialog(Bundle savedInstanceState) { 45 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); 46 CharSequence errorString = getArguments().getCharSequence(KEY_ERROR_MSG); 47 final int errMsgId = getArguments().getInt(KEY_ERROR_ID); 48 49 builder.setTitle(getTitleResId()) 50 .setMessage(errorString) 51 .setCancelable(false) 52 .setPositiveButton(getOkButtonTextResId(), 53 new DialogInterface.OnClickListener() { 54 @Override 55 public void onClick(DialogInterface dialog, int which) { 56 dialog.dismiss(); 57 boolean wasTimeout = 58 errMsgId == BiometricConstants.BIOMETRIC_ERROR_TIMEOUT; 59 Activity activity = getActivity(); 60 activity.setResult(wasTimeout ? 61 RESULT_TIMEOUT : RESULT_FINISHED); 62 activity.finish(); 63 } 64 }); 65 AlertDialog dialog = builder.create(); 66 dialog.setCanceledOnTouchOutside(false); 67 return dialog; 68 } 69 } 70