Android-RxFirebase
ezhome
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RxFirebase

RxJava implementation by ezhome for the Android Firebase client.


Contents

Usage

Currently library supports for new Google Firebase the followings:

  • Firebase Authentication RxFirebaseAuth
  • Firebase Database RxFirebaseDatabase

Use the project with your own Firebase instance

  1. Clone this repository.
  • Create a new project in the Firebase console.
  • Click Add Firebase to your Android app
    • provide a unique package name
    • use the same package name for the applicationId in your build.gradle
    • insert SHA-1 fingerprint of your debug certificate, otherwise you won't be able to log in
  • Copy the generated google-services.json to the app folder of your project which will replace the mock google services json file.
  • You should be able to successfully sync the project now.
  • Copy contents of the ./server/database.rules.json into your Firebase -> Database -> Rules and publish them.
  • Import data ./server/sample-data.json into your Firebase -> Database
  • Change the Firebase URL path in this file
  • Build and run the app.

Example

    final Firebase firebaseRef = new Firebase("https://docs-examples.firebaseio.com/web/saving-data/fireblog/posts");
    RxFirebaseDatabase.getInstance().observeValueEvent(firebaseRef).subscribe(new GetPostsSubscriber());

    private final class GetPostsSubscriber extends Subscriber<DataSnapshot> {
      @Override public void onCompleted() {
        PostsFragment.this.showProgress(false);
      }

      @Override public void onError(Throwable e) {
        PostsFragment.this.showProgress(false);
        PostsFragment.this.showError(e.getMessage());
      }

      @SuppressWarnings("unchecked") @Override public void onNext(DataSnapshot dataSnapshot) {
        List<BlogPostEntity> blogPostEntities = new ArrayList<>();
        for (DataSnapshot childDataSnapshot : dataSnapshot.getChildren()) {
          blogPostEntities.add(childDataSnapshot.getValue(BlogPostEntity.class));
        }
        PostsFragment.this.renderBlogPosts(blogPostEntities);
      }
    }

Check the example application here

You can change scheduler for observing values in a different thread

Example

 RxFirebaseDatabase.getInstance().observeOn(Schedulers.io());

Download

The project is available on jCenter. In your app build.gradle (or explicit module) you must add this:

dependencies {
  compile 'com.ezhome:rxfirebase:2.2.0'
}

Tests

Tests are available in rxfirebase/src/test/java/ directory and can be executed from Android Studio or CLI with the following command:

./gradlew test

Code style

Code style used in the project is called SquareAndroid from Java Code Styles repository by Square available at: https://github.com/square/java-code-styles.

License

Copyright 2016 Ezhome Inc.

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
limitations under the License.
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