https://github.com/android/codelab-android-dagger
https://github.com/android/codelab-android-dagger
Last synced: 5 months ago
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- Host: GitHub
- URL: https://github.com/android/codelab-android-dagger
- Owner: android
- License: apache-2.0
- Created: 2019-10-22T16:37:35.000Z (about 6 years ago)
- Default Branch: main
- Last Pushed: 2024-09-03T21:01:50.000Z (over 1 year ago)
- Last Synced: 2024-10-02T02:43:22.771Z (about 1 year ago)
- Language: Kotlin
- Size: 193 KB
- Stars: 181
- Watchers: 49
- Forks: 157
- Open Issues: 32
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
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README
# Using Dagger in your Android app
> [!CAUTION]
> This codelab is deprecated and it will be removed soon.
This folder contains the source code for the "Using Dagger in your Android app" codelab.
The codelab is built in multiple GitHub branches:
* `main` is the codelab's starting point.
* `1_registration_main`, `2_subcomponents`, and `3_dagger_app` are intermediate
steps towards the solution.
* `solution` contains the solution to this codelab.
# Introduction
Dependency injection is a technique widely used in programming and well suited
to Android development. By following the principles of dependency injection, you
lay the groundwork for a good app architecture.
Implementing dependency injection provides you with the following advantages:
* Reusability of code.
* Ease of refactoring.
* Ease of testing.
# Pre-requisites
* Experience with Kotlin syntax.
* You understand Dependency Injection and know what the benefits
of using Dagger in your Android app are.
# Getting Started
1. Install Android Studio, if you don't already have it.
2. Download the sample.
3. Import the sample into Android Studio.
4. Build and run the sample.
# Comparison between different branches
* Step 1 - `main` to `1_registration_main` ([Comparison](https://github.com/googlecodelabs/android-dagger/compare/main...1_registration_main))
* Step 2 - `1_registration_main` to `2_subcomponents` ([Comparison](https://github.com/googlecodelabs/android-dagger/compare/1_registration_main...2_subcomponents))
* Step 3 - `2_subcomponents` to `3_dagger_app` ([Comparison](https://github.com/googlecodelabs/android-dagger/compare/2_subcomponents...3_dagger_app))
* Step 4 - `3_dagger_app` to `solution` ([Comparison](https://github.com/googlecodelabs/android-dagger/compare/3_dagger_app...solution))
* [Full codelab comparison](https://github.com/googlecodelabs/android-dagger/compare/main...solution)
# License
```
Copyright 2019 Google LLC
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
https://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.
```