1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.example.android.supportv7.widget;
18
19import androidx.recyclerview.widget.StaggeredGridLayoutManager;
20
21import com.example.android.supportv7.R;
22import com.example.android.supportv7.widget.util.ConfigToggle;
23
24public class StaggeredGridLayoutManagerActivity
25        extends BaseLayoutManagerActivity<StaggeredGridLayoutManager> {
26
27    private boolean mVertical = true;
28
29    @Override
30    protected StaggeredGridLayoutManager createLayoutManager() {
31        if (mVertical) {
32            return new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.VERTICAL);
33        } else {
34            return new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.HORIZONTAL);
35        }
36    }
37
38    @Override
39    protected ConfigToggle[] createConfigToggles() {
40        return new ConfigToggle[] {
41                new ConfigToggle(this, R.string.vertical) {
42                    @Override
43                    public boolean isChecked() {
44                        return mVertical;
45                    }
46
47                    @Override
48                    public void onChange(boolean newValue) {
49                        if (mVertical == newValue) {
50                            return;
51                        }
52                        mVertical = newValue;
53                        mRecyclerView.setLayoutManager(createLayoutManager());
54                    }
55                }
56        };
57    }
58}
59