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RecyclerViewHeaders-Starter

README.md

TrackMySleepQuality with RecyclerView - Starter Code for 7.5

Starter code for Android Kotlin Fundamentals Codelab 7.5 Headers in RecyclerView

Introduction

TrackMySleepQuality is an app for recording sleep data for each night. You can record a start and stop time, assign a quality rating, and clear the database.

Learn how to add more than one view holder and layout, such as for headers, to lists and grids in RecyclerView in your Android Kotlin app.

Pre-requisites

You should be familiar with:

  • Building a basic user interface (UI) using an activity, fragments, and views.
  • Navigating between fragments, and using safeArgs to pass data between fragments.
  • Using view models, view model factories, transformations, and LiveData and their observers.
  • Creating a Room database, creating a DAO, and defining entities.
  • Using coroutines for database tasks and other long-running tasks.
  • How to implement a basic RecyclerView with an Adapter, ViewHolder, and item layout.
  • How to implement data binding for RecyclerView.
  • How to create and use binding adapters to transform data.
  • How to use GridLayoutManager.
  • How capture and handle clicks on items in a RecyclerView.

Getting Started

  1. Download and run the app.

License

Copyright 2019 Google, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.