1/*
2 * Copyright (C) 2016 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.leanback;
18
19import android.os.Bundle;
20import android.widget.Toast;
21
22import androidx.leanback.preference.LeanbackPreferenceFragment;
23import androidx.leanback.preference.LeanbackSettingsFragment;
24import androidx.preference.Preference;
25import androidx.preference.PreferenceFragment;
26import androidx.preference.PreferenceScreen;
27
28import java.util.Arrays;
29
30
31
32public class SettingsFragment extends LeanbackSettingsFragment {
33
34
35    private static final int sPreferenceResId = R.xml.prefs;
36
37    @Override
38    public void onPreferenceStartInitialScreen() {
39        startPreferenceFragment(buildPreferenceFragment(null));
40    }
41
42    @Override
43    public boolean onPreferenceStartFragment(PreferenceFragment preferenceFragment,
44                                             Preference preference) {
45        return false;
46    }
47
48    @Override
49    public boolean onPreferenceStartScreen(PreferenceFragment preferenceFragment,
50                                           PreferenceScreen preferenceScreen) {
51        PreferenceFragment frag = buildPreferenceFragment(preferenceScreen.getKey());
52        frag.setTargetFragment(preferenceFragment, 0);
53        startPreferenceFragment(frag);
54        return true;
55    }
56
57
58    private PreferenceFragment buildPreferenceFragment(String rootKey) {
59        PreferenceFragment fragment = new PrefFragment();
60        Bundle args = new Bundle();
61        args.putString(PreferenceFragment.ARG_PREFERENCE_ROOT, rootKey);
62        fragment.setArguments(args);
63        return fragment;
64    }
65
66    public static class PrefFragment extends LeanbackPreferenceFragment {
67
68        @Override
69        public void onCreate(Bundle savedInstanceState) {
70            super.onCreate(savedInstanceState);
71        }
72
73        @Override
74        public void onCreatePreferences(Bundle bundle, String rootKey) {
75            setPreferencesFromResource(sPreferenceResId, rootKey);
76        }
77
78        @Override
79        public boolean onPreferenceTreeClick(Preference preference) {
80            final String[] keys = {"prefs_wifi_connect_wps", "prefs_date", "prefs_time",
81                    "prefs_date_time_use_timezone", "app_banner_sample_app", "pref_force_stop",
82                    "pref_uninstall", "pref_more_info"};
83            if (Arrays.asList(keys).contains(preference.getKey())) {
84                Toast.makeText(getActivity(), "Implement your own action handler.",
85                        Toast.LENGTH_SHORT).show();
86                return true;
87            }
88            return super.onPreferenceTreeClick(preference);
89        }
90
91    }
92}
93