1 /* 2 * Copyright (C) 2020 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.car.rotaryplayground; 18 19 import android.app.Notification; 20 import android.app.NotificationChannel; 21 import android.app.NotificationManager; 22 import android.app.PendingIntent; 23 import android.content.Intent; 24 import android.os.Bundle; 25 import android.view.LayoutInflater; 26 import android.view.View; 27 import android.view.ViewGroup; 28 29 import androidx.annotation.Nullable; 30 import androidx.fragment.app.Fragment; 31 32 public class HeadsUpNotificationFragment extends Fragment { 33 private static final String NOTIFICATION_CHANNEL_ID = "rotary_notification"; 34 private static final int NOTIFICATION_ID = 1; 35 36 @Override onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState)37 public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, 38 @Nullable Bundle savedInstanceState) { 39 View view = inflater.inflate(R.layout.rotary_notification, container, false); 40 NotificationManager notificationManager = 41 getContext().getSystemService(NotificationManager.class); 42 notificationManager.createNotificationChannel( 43 new NotificationChannel(NOTIFICATION_CHANNEL_ID, "Rotary Playground", 44 NotificationManager.IMPORTANCE_HIGH)); 45 view.findViewById(R.id.add_notification_button1).setOnClickListener( 46 v -> notificationManager.notify(NOTIFICATION_ID, createNotification())); 47 view.findViewById(R.id.clear_notification_button1).setOnClickListener( 48 v -> notificationManager.cancel(NOTIFICATION_ID)); 49 view.findViewById(R.id.add_notification_button2).setOnClickListener( 50 v -> notificationManager.notify(NOTIFICATION_ID, createNotification())); 51 view.findViewById(R.id.clear_notification_button2).setOnClickListener( 52 v -> notificationManager.cancel(NOTIFICATION_ID)); 53 54 return view; 55 } 56 57 /** 58 * Creates a notification with CATEGORY_CALL in a channel with IMPORTANCE_HIGH. This will 59 * produce a heads-up notification even for non-system apps that aren't privileged and aren't 60 * signed with the platform key. The notification includes three actions which appear as buttons 61 * in the HUN. 62 */ createNotification()63 private Notification createNotification() { 64 Intent intent = new Intent(getContext(), RotaryActivity.class); 65 PendingIntent pendingIntent = 66 PendingIntent.getActivity(getContext(), 0, intent, PendingIntent.FLAG_IMMUTABLE); 67 return new Notification.Builder(getContext(), NOTIFICATION_CHANNEL_ID) 68 .setContentTitle("Example heads-up notification") 69 .setContentText("Try nudging up to HUN") 70 .setSmallIcon(R.drawable.ic_launcher) 71 .addAction(new Notification.Action.Builder(null, "Action1", pendingIntent).build()) 72 .addAction(new Notification.Action.Builder(null, "Action2", pendingIntent).build()) 73 .addAction(new Notification.Action.Builder(null, "Action3", pendingIntent).build()) 74 .setColor(getContext().getColor(android.R.color.holo_red_light)) 75 .setCategory(Notification.CATEGORY_CALL) 76 .build(); 77 } 78 } 79