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⌛ LazyLoadingRecyclerView ⌛ An easy & lightweight library to implemented Lazy Loading/Infinite Scrolling/Pagination with RecyclerView

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rommansabbir/LazyLoadingRecyclerView

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⌛ LazyLoadingRecyclerView ⌛

An easy & lightweight library to implemented Lazy Loading/Infinite Scrolling/Pagination with RecyclerView

Documentation

Installation

Step 1. Add the JitPack repository to your build file .

    allprojects {
        repositories {
            maven { url 'https://jitpack.io' }
        }
    }

Step 2. Add the dependency.

    dependencies {
            implementation 'com.github.rommansabbir:LazyLoadingRecyclerView:Tag'
    }

Version available

Releases
1.0.0

Usages

Step 1:

Attach SpeedyLayoutManager as the LayoutManger to the recycler view by calling this RecyclerView extension function attachSpeedyLayoutManager()

    //Attach the SpeedyLayoutManager to the RecyclerView first
    binding.rv.attachSpeedyLayoutManager(LinearLayoutManager.VERTICAL, false)

Step 2:

Create an instance of LazyLoadingRecyclerView by calling static method getInstance()

    private lateinit var lazyLoadingRecyclerView: LazyLoadingRecyclerView

    override fun onCreate(savedInstanceState: Bundle?) {
        .....
        //Create an instance of LazyLoadingRecyclerView
        lazyLoadingRecyclerView = LazyLoadingRecyclerView.getInstance()
    }

Step 3:

Implemented the LazyLoadingRecyclerView.Listener to the Activity/Fragment or Initialize as Anonymous listener.

    MainActivity : AppCompatActivity(), LazyLoadingRecyclerView.Listener{
        override fun loadMore() {
        // Faking load more data request, infinite scrolling
        }
    }

or

    private val listener = object : LazyLoadingRecyclerView.Listener{
        override fun loadMore() {
            // Faking load more data request, infinite scrolling
        }
    }

Step 4:

Register the RecyclerView with LazyLoadingRecyclerView.Listener to LazyLoadingRecyclerView by calling this method registerScrollListener() when your Activity/Fragment is in onResume state.

    override fun onResume() {
        super.onResume()
        // IMPORTANT - attach the listener `onResume()` state
        lazyLoadingRecyclerView.registerScrollListener(binding.rv, this/listener)
    }

Step 5:

Remove the listener by calling this method removeListener() when your Activity/Fragment is in onStop state

    override fun onStop() {
        super.onStop()
        // IMPORTANT - remove the listener `onStop` state
        lazyLoadingRecyclerView.removeListener()
    }

Want to update SmoothScroller speed per pixel calculation?

You can update LinearSmoothScrollers calculateSpeedPerPixel by calling this method SpeedyLinearLayoutManager.setMillisPerInch()

    SpeedyLinearLayoutManager.setMillisPerInch(5f)

Want to update LazyLoadingRecyclerView handler delay time?

You can update LazyLoadingRecyclerViews handler delay time by calling this method LazyLoadingRecyclerView.setHandlerDelayTime()

    LazyLoadingRecyclerView.setHandlerDelayTime(500)

Checkout the sample app for the implementaion in detail


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License

Apache Version 2.0

Copyright (C) 2020 Romman Sabbir

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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⌛ LazyLoadingRecyclerView ⌛ An easy & lightweight library to implemented Lazy Loading/Infinite Scrolling/Pagination with RecyclerView

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