1 /*
2  * Copyright 2021 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 
17 package com.example.androidx.preference
18 
19 import android.content.Context
20 import android.content.ContextWrapper
21 import android.os.Bundle
22 import androidx.appcompat.app.AppCompatActivity
23 import androidx.preference.PreferenceFragmentCompat
24 import androidx.preference.PreferenceHeaderFragmentCompat
25 
26 class TwoPanePreferences : AppCompatActivity() {
27 
28     class PreferenceHeaderFragmentCompatImpl : PreferenceHeaderFragmentCompat() {
29 
30         class PreferenceHeader : PreferenceFragmentCompat() {
onCreatePreferencesnull31             override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
32                 setPreferencesFromResource(R.xml.preference_headers, rootKey)
33             }
34         }
35 
onCreatePreferenceHeadernull36         override fun onCreatePreferenceHeader(): PreferenceFragmentCompat {
37             return PreferenceHeader()
38         }
39 
40         /**
41          * Simulate the behavior of Hilt to ensure that PreferenceHeaderFragmentCompat does not rely
42          * on the Context being an OnBackPressedDispatcherOwner instance
43          */
getContextnull44         override fun getContext(): Context {
45             return ContextWrapper(super.getContext())
46         }
47     }
48 
49     class BasicPreferences : PreferenceFragmentCompat() {
onCreatePreferencesnull50         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
51             setPreferencesFromResource(R.xml.preferences_basic, rootKey)
52         }
53     }
54 
55     class WidgetPreferences : PreferenceFragmentCompat() {
onCreatePreferencesnull56         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
57             setPreferencesFromResource(R.xml.preferences_widget, rootKey)
58         }
59     }
60 
61     class DialogPreferences : PreferenceFragmentCompat() {
onCreatePreferencesnull62         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
63             setPreferencesFromResource(R.xml.preferences_dialog, rootKey)
64         }
65     }
66 
67     class AdvancedPreferences : PreferenceFragmentCompat() {
onCreatePreferencesnull68         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
69             setPreferencesFromResource(R.xml.preferences_advanced, rootKey)
70         }
71     }
72 
73     class MultiPreferences : PreferenceFragmentCompat() {
onCreatePreferencesnull74         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
75             setPreferencesFromResource(R.xml.preferences_advanced_next, rootKey)
76         }
77     }
78 
onCreatenull79     override fun onCreate(savedInstanceState: Bundle?) {
80         super.onCreate(savedInstanceState)
81         setContentView(R.layout.two_pane_preferences)
82     }
83 }
84