RecyclerViewSnap
rubensousa
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Recycler Views

RecyclerViewSnap

RecyclerView snapping example with SnapHelper

How to

If you need snapping support to start, top, end or bottom, use GravitySnapHelper.

Add this to your build.gradle:

// AndroidX
implementation 'com.github.rubensousa:gravitysnaphelper:2.0'

// Old support libraries
implementation 'com.github.rubensousa:gravitysnaphelper-compat:2.0'

Otherwise, center snapping is done with LinearSnapHelper.

Snapping center:

new LinearSnapHelper().attachToRecyclerView(recyclerView);

Snapping start with GravitySnapHelper:

startRecyclerView.setLayoutManager(new LinearLayoutManager(this,
                LinearLayoutManager.HORIZONTAL, false));
                
new GravitySnapHelper(Gravity.START).attachToRecyclerView(startRecyclerView);

Snapping top with GravitySnapHelper:

topRecyclerView.setLayoutManager(new LinearLayoutManager(this));
                
new GravitySnapHelper(Gravity.TOP).attachToRecyclerView(topRecyclerView);

If you're using nested RecyclerViews, take a look at:

https://github.com/rubensousa/RecyclerViewSnap/blob/master/gravitysnaphelper/src/main/java/com/github/rubensousa/gravitysnaphelper/OrientationAwareRecyclerView.java

License

Copyright 2018 The Android Open Source Project
Copyright 2018 Rúben Sousa

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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