RxFirebase | Rxjava 2.0 wrapper on Google 's Android Firebase library | Authentication library
kandi X-RAY | RxFirebase Summary
kandi X-RAY | RxFirebase Summary
You can observe values providing the Class of expected data like:.
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Top functions reviewed by kandi - BETA
- Creates a stream from an input stream
- Asynchronously upload a byte data to the storage
- Adds a document to the collection with the specified POJO
- Adds a Document to the collection
- Adds a document to the collection
- Creates a StreamSnapshot
- Adds a new document to the collection
- Creates an upload task to the given storage reference
- Downloads the file at the specified storage
- Downloads the file at the specified Uri
- Uploads a file asynchronously
- Creates an observable which allows to change the auth state of the user
- Downloads a stream asynchronously
- Gets the typed value of the data snapshot
- Creates a hashCode for this event
- Creates a new value for the specified database reference
- Updates all children of a specific database reference
- Compares two events for equality
- Execute multiple write operations asynchronously
RxFirebase Key Features
RxFirebase Examples and Code Snippets
Community Discussions
Trending Discussions on RxFirebase
QUESTION
I have a query that provides 'feed' data to a collection view using RxSwift and RxFirebase. This feed data now has a 'Privacy' field (possible values: "Public", "Sub", and "Private") and I need to filter out the 'Private' entities.
However when I add a 'Where' clause to do this, the listener no longer adds newly posted entities from this collection. The first call to this function always has the 'listens' bool set to true, because it wants to listen for new entities posted/deleted by a user. I do not know why the events do not trigger the query.
Here is the current query code:
...ANSWER
Answered 2020-Sep-15 at 01:21As suggested in the comments above, I created a composite index for the query in the Firebase console.
I will note that it was important to have the index structure a certain way. I tried creating an index with the following settings:
Collection ID : 'mags'
- Field 1: 'PublishedAt' : 'Descending'
- Field 2: 'Privacy' : 'Descending'
(note: firebase docs say to use either 'Ascending' or 'Descending' when you're using the 'in' clause even if you're not ordering on this field, it will not affect the equality of the query results)
This index did not work for some reason, I'm not sure why...
However, I realized other indexes created by a dev before me were mechanically similar but structured differently. So I mirrored that with the following:
Collection ID : 'mags'
- Field 1: 'Privacy' : 'Ascending'
- Field 2: 'PublishedAt' : 'Descending'
And it worked!
QUESTION
I'm trying to fetch data from Firebase using RxSwift. I'm using this to perform API calls.
So my db looks like this:
Collection Category (it has properties: title, about etc) has inside of it another collection called Manifests. To get Manifests I need to use documentId
of Category collection. So it's two different API calls but I want to combine results
That is what I have so far:
...ANSWER
Answered 2020-Apr-07 at 10:10You should try something like this:
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Install RxFirebase
You can use RxFirebase like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the RxFirebase component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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