Android app to check Head 2 Head between two specific teams from the Brazilian Football Championship. Personal project created to display my knowledge as a developer.
Head 2 Head App is a native Android App made with Kotlin. The app is capable of displaying data from a direct confrontation (Head 2 Head) between two teams from the Brazilian League; The count of wins and ties along with cards containing past matches are displayed in a specific scene, thanks to Recycler View and Live Data; maintaining the model and view separation with MVVM and utilizing Clean Architecture and SOLID patterns to make the code clean, reusable and decoupled. Some of the data are cached inside the device´s database to improve the speed, also, the head to head data comes from a remote origin.
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Minimum SDK Level 25
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- Live Data: Used for observe data from a reactive point of view. Allowing the data used in UI to be updated automatically.
- Lifecycle: Observe the Android lifecycle and manipulate the states from the UI after the lifecycle change.
- ViewModel: Used to retrieve the data from the Model layer and update the data from View.
- ViewBinding: Manages the XML layout views in Kotlin through a class.
- Recycler View: Show a more efficient way of displaying a list of Views in the screen, recycling the views for better performance.
- Room: The persistency library that offers a abstraction layer on top of SQLite to allow for a more robust database access.
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Architecture
- MVVM (Model-View-ViewModel) + Clean Architecture: The first item is used to separate the logic of the app's UI, helping with testability and organization; also, the Clean Architecture helps to build the app's main system with well designed layers, who work with independency, facilitating with the scalability and maintenance.
- Repository pattern: This pattern help with the data layer´s abstraction
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Libraries
Head2HeadApp was built using MVVM, Clean Architecture and the Repository pattern. Following Google´s official recomendation
API Sports, this API provides all kind of data related to sports and series and it have a limited usage for free accounts.
List of all teams created with a Custom adapter to Spinner. The data is gathered from a API, cached to the local database and then displayed to the user.
Users can check the overall wins and ties from a duel, also there are cards with the latests scores, displayed by Recycler View and Live Data.
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
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This policy is effective as of Sep 2023.