Infinite Recycler View

A RecyclerView Adapter which allows you to have an Infinite scrolling list in your apps. This library offers you a custom adapter to use with any recycler view. You get a callback when the user is about to reach the bottom (or top, depending on your configuration), of the list, which you can use to load more data.

You can also customize what the loading view at the bottom of the list looks like.

Note: This library should be able to work with any layout manager, but has only been tested with LinearLayoutManager

Demo

This is the sample app in action:

Usage

Add a dependency to your build.gradle:

dependencies {
    compile 'com.iamtheib.infiniterecyclerview:library:1.4'
}

You can use any variation of RecyclerView in your layout, just make sure your adapter extends:

com.iamtheib.infiniterecyclerview.InfiniteAdapter

InfiniteAdapter is an abstract class, hence classes extending from it need to implement the following methods:

• getLoadingViewHolder(ViewGroup parent): Returns the loading view to be shown at the bottom of the list
• getCount(): The count of the number of items in the list. This does not include the loading item
• getViewType(int position): Return the view type of the item at position for the purposes of view recycling. 0 index is reserved for the loading view. So this function cannot return 0
• onCreateView(ViewGroup parent, int viewType): Called when RecyclerView needs a new ViewHolder of the given type to represent an item. This is the same as the onCreateViewHolder method in RecyclerView.Adapter, except that it internally detects and handles the creation on the loading footer
• onBindViewHolder(RecyclerView.ViewHolder holder, int position): Subclasses should override this method, to actually bind the view data, but always call super.onBindViewHolder(holder, position) to enable the adapter to calculate whether the load more callback should be invoked
• Optional getVisibleThreshold(): Returns the number of scrollable items that should be left (threshold) in the list before OnLoadMoreListener will be called. You can override this to return a preferred threshold, or leave it to use the default

API For InfiniteAdapter

• setOnLoadMoreListener: Registers a callback to be notified when there is a need to load more data
• moreDataLoaded(int, int): This informs the adapter that data has been loaded. This also calls notifyItemRangeInserted(int, int) method, so the implementing class only needs to call this method
• setShouldLoadMore(boolean): Set as false when you don't want the recycler view to load more data. This will also remove the loading view
• setIsReversedScrolling(boolean): Set as true if you want the endless scrolling to be as the user scrolls to the top of the list, instead of bottom. You probably want to call layoutManager.setStackFromEnd(true)

License

The MIT License (MIT)

Copyright (c) 2017 Ibrahim Sikiru

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Original License

Copyright 2016 Saurabh Arora

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.