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FragmentCommunicate - Solution Code

This app shows how to save a choice the user makes in a fragment, so that the choice is already selected when the fragment is reopened.

Introduction

The app improves FragmentExample2 to communicate between the fragment and the host activity. The activity retrieves the user's choice for the "yes" or "no" question from the fragment. If the user reopens the fragment after making a choice, the activity sends the choice to the fragment so that the choice is already selected.

Pre-requisites

You need to know how to:

  • Open, build, and run apps with Android Studio.
  • Create a fragment with an interactive UI.
  • Add a static fragment to the UI layout of an activity.
  • Add, replace, and remove a dynamic fragment while an activity is running.

Getting Started

  1. Download the code.
  2. Open the code in Android Studio.
  3. Run the app.

License

Copyright 2017 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.