36 lines
1.4 KiB
Java
36 lines
1.4 KiB
Java
/*
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* Copyright (C) 2015 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.util;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.StaggeredGridLayoutManager;
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public final class LayoutManagerUtils {
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public static void scrollToPositionWithOffset(
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RecyclerView.LayoutManager layoutManager,int position, int offset) {
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if (layoutManager instanceof LinearLayoutManager) {
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((LinearLayoutManager) layoutManager).scrollToPositionWithOffset(position, offset);
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} else if (layoutManager instanceof StaggeredGridLayoutManager) {
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((StaggeredGridLayoutManager) layoutManager).scrollToPositionWithOffset(position, offset);
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} else {
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throw new IllegalStateException("Can't do scrollToPositionWithOffset for " +
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layoutManager.getClass().getName());
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}
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}
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}
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