rxlist


Source link: https://github.com/s0nerik/rxlist

rxlist

Reactive List implementation using RxJava.

java.util.List implementation that can notify of the events that happened with the list using Observable. This library doesn't have any dependencies except RxJava.

Usage

You can use an RxList either as a wrapper around any other java.util.List implementation or as a standalone object (in this case an ArrayList will be used as an implementation for a backing list). Also it's possible to enable the "item removed" notification for each item that was removed when the list gets cleared (disabled by default).

// ArrayList will be used as a backing list implementation. RxList<Item> items = new RxList<>();
  // Will notify of each removed item when the list is cleared. RxList<Item> items = new RxList<>(true);
  // In this case the RxList will wrap the given list and enable the notifications on it. // Note: to get notified of the events you must interact with the RxList, not the wrapped list. List<Item> wrappedItems = new LinkedList<Item>();
 RxList<Item> items = new RxList<>(wrappedItems);
  // Will notify of each removed item when the list is cleared. List<Item> wrappedItems = new LinkedList<Item>();
 RxList<Item> items = new RxList<>(wrappedItems, true);

After you've created the RxList instance you will be able to get notified of the events that happen with it. Use the events() method of the RxList to get the Observable of the RxList's events:

RxList<Item> items = new RxList<>();
 items.events().subscribe(event -> System.out.println(event.type))

This way you can get notified of ITEM_ADDED, ITEM_REMOVED, ITEM_CHANGED, ITEMS_CLEARED events.

Usecases

RxList will be really useful in situations where you need to keep track of the list state and react on it's changes somehow. One of the good examples of such situation (from Android development) is the necessity to call RecyclerView.Adapter's notifyItem(Inserted/Removed/Changed) whenever you want the changes in a list be shown to the user. Take a look at the rxlist-binder for a ready to use RxList to RecyclerView.Adapter binding solution.

Installation

  • To use this library, add the following to your project level build.gradle:
allprojects {

  repositories {

maven {
 url "https://jitpack.io" 
}

  
}
 
}
  • Add this to your app's build.gradle:
compile 'com.github.s0nerik:rxlist:{
latest version
}
'

License

Copyright 2016 Alex Isaienko (s0nerik)  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. 

Resources

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FeedFire is a project to help developers integrate with Google Firebase.

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A lightweight iOS switch view style for Android.

Skygear Server is a cloud backend for making web and mobile app development easier https://skygear.io.

The Skygear Android SDK library that gives you access to the Skygear Server from your Android app.

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