| /* |
| * Copyright (C) 2017 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.google.android.car.obd2app; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.time.LocalDateTime; |
| import java.time.format.DateTimeFormatter; |
| |
| interface StatusNotification { |
| void notify(String status); |
| |
| default void notifyNoDongle() { |
| notify("No OBD2 dongle paired. Go to Settings."); |
| } |
| |
| default void notifyPaired(String deviceAddress) { |
| notify("Paired to " + deviceAddress + ". Ready to capture data."); |
| } |
| |
| default void notifyConnectionFailed() { |
| notify("Unable to connect."); |
| } |
| |
| default void notifyConnected(String deviceAddress) { |
| notify("Connected to " + deviceAddress + ". Starting data capture."); |
| } |
| |
| default void notifyDataCapture() { |
| LocalDateTime now = LocalDateTime.now(); |
| DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("MMMM dd yyyy hh:mm:ssa"); |
| notify("Successfully captured data at " + now.format(dateTimeFormatter)); |
| } |
| |
| default void notifyException(Exception e) { |
| StringWriter stringWriter = new StringWriter(1024); |
| e.printStackTrace(new PrintWriter(stringWriter)); |
| notify("Exception occurred.\n" + stringWriter.toString()); |
| } |
| |
| default void notifyDisconnected() { |
| notify("Lost connection to remote end. Will try to reconnect."); |
| } |
| } |