1/*
2 * Copyright (C) 2011 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.supportv13.app;
18
19import android.app.Activity;
20import android.app.Fragment;
21import android.app.FragmentManager;
22import android.app.ListFragment;
23import android.os.Bundle;
24import android.util.Log;
25import android.view.LayoutInflater;
26import android.view.View;
27import android.view.View.OnClickListener;
28import android.view.ViewGroup;
29import android.widget.ArrayAdapter;
30import android.widget.Button;
31import android.widget.ListView;
32import android.widget.TextView;
33
34import androidx.legacy.app.FragmentStatePagerAdapter;
35import androidx.viewpager.widget.ViewPager;
36
37import com.example.android.supportv13.Cheeses;
38import com.example.android.supportv13.R;
39
40//BEGIN_INCLUDE(complete)
41public class FragmentStatePagerSupport extends Activity {
42    static final int NUM_ITEMS = 10;
43
44    MyAdapter mAdapter;
45
46    ViewPager mPager;
47
48    @Override
49    protected void onCreate(Bundle savedInstanceState) {
50        super.onCreate(savedInstanceState);
51        setContentView(R.layout.fragment_pager);
52
53        mAdapter = new MyAdapter(getFragmentManager());
54
55        mPager = (ViewPager)findViewById(R.id.pager);
56        mPager.setAdapter(mAdapter);
57
58        // Watch for button clicks.
59        Button button = (Button)findViewById(R.id.goto_first);
60        button.setOnClickListener(new OnClickListener() {
61            @Override
62            public void onClick(View v) {
63                mPager.setCurrentItem(0);
64            }
65        });
66        button = (Button)findViewById(R.id.goto_last);
67        button.setOnClickListener(new OnClickListener() {
68            @Override
69            public void onClick(View v) {
70                mPager.setCurrentItem(NUM_ITEMS-1);
71            }
72        });
73    }
74
75    public static class MyAdapter extends FragmentStatePagerAdapter {
76        public MyAdapter(FragmentManager fm) {
77            super(fm);
78        }
79
80        @Override
81        public int getCount() {
82            return NUM_ITEMS;
83        }
84
85        @Override
86        public Fragment getItem(int position) {
87            return ArrayListFragment.newInstance(position);
88        }
89    }
90
91    public static class ArrayListFragment extends ListFragment {
92        int mNum;
93
94        /**
95         * Create a new instance of CountingFragment, providing "num"
96         * as an argument.
97         */
98        static ArrayListFragment newInstance(int num) {
99            ArrayListFragment f = new ArrayListFragment();
100
101            // Supply num input as an argument.
102            Bundle args = new Bundle();
103            args.putInt("num", num);
104            f.setArguments(args);
105
106            return f;
107        }
108
109        /**
110         * When creating, retrieve this instance's number from its arguments.
111         */
112        @Override
113        public void onCreate(Bundle savedInstanceState) {
114            super.onCreate(savedInstanceState);
115            mNum = getArguments() != null ? getArguments().getInt("num") : 1;
116        }
117
118        /**
119         * The Fragment's UI is just a simple text view showing its
120         * instance number.
121         */
122        @Override
123        public View onCreateView(LayoutInflater inflater, ViewGroup container,
124                Bundle savedInstanceState) {
125            View v = inflater.inflate(R.layout.fragment_pager_list, container, false);
126            View tv = v.findViewById(R.id.text);
127            ((TextView)tv).setText("Fragment #" + mNum);
128            return v;
129        }
130
131        @Override
132        public void onActivityCreated(Bundle savedInstanceState) {
133            super.onActivityCreated(savedInstanceState);
134            setListAdapter(new ArrayAdapter<String>(getActivity(),
135                    android.R.layout.simple_list_item_1, Cheeses.sCheeseStrings));
136        }
137
138        @Override
139        public void onListItemClick(ListView l, View v, int position, long id) {
140            Log.i("FragmentList", "Item clicked: " + id);
141        }
142    }
143}
144//END_INCLUDE(complete)
145