A RecyclerView implementation that scrolls a view to center, top, bottom, left, and right.
compile 'org.mightyfrog.centeringrecyclerview:centeringrecyclerview:1.0.8'
####center, head, tail(int position) - scrolls a view at the specified position to center, head, or tail
CenteringRecyclerView mRecyclerView;
...
int position = 100; // adapter position
mRecyclerView.center(position);
mRecyclerView.head(position); // vertical: scrolls to top, horizontal: scrolls to left
mRecyclerView.tail(position); // vertical: scrolls to bottom, horiztal: scrolls to right
####snap(int, int) - snaps a view at the specified position to a closer end
CenteringRecyclerView mRecyclerView;
...
mRecyclerView.snap(10, CenteringRecyclerView.SNAPPING_STRATEGY_CENTER);
####alternative method: setSelection(int position, int alignment)
CenteringRecyclerView mRecyclerView;
...
int position = 100; // adapter position
mRecyclerView.setSelection(position, CenteringRecyclerView.ALIGN_CENTER);
If you don't want already (completely) visible views re-layout, set ignoreIfVisible
or ignoreIfCompletelyVisible
to true.
mRecyclerView.setIgnoreIfVisible(true);
mRecyclerView.setIgnoreIfCompletelyVisible(true);
XML attributes
<org.mightyfrog.widget.CenteringRecyclerView
...
app:ignoreIfVisible="true" />
<org.mightyfrog.widget.CenteringRecyclerView
...
app:ignoreIfCompletelyVisible="true" />
other public methods
isVisible(int);
isCompletelyVisible(int)
getFirstVisiblePosition()
getLastVisiblePosition()
getFirstCompletelyVisiblePosition()
getLastCompletelyVisiblePosition()
Copyright 2015 Shigehiro Soejima.
Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.