1 /*
2 * Copyright (C) 2023 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.android.settingslib.spa.gallery.preference
18
19 import android.os.Bundle
20 import androidx.compose.runtime.Composable
21 import androidx.compose.runtime.mutableIntStateOf
22 import androidx.compose.runtime.remember
23 import androidx.compose.runtime.saveable.rememberSaveable
24 import androidx.compose.ui.tooling.preview.Preview
25 import androidx.lifecycle.compose.collectAsStateWithLifecycle
26 import com.android.settingslib.spa.framework.common.SettingsPageProvider
27 import com.android.settingslib.spa.framework.compose.navigator
28 import com.android.settingslib.spa.framework.theme.SettingsTheme
29 import com.android.settingslib.spa.widget.preference.ListPreference
30 import com.android.settingslib.spa.widget.preference.ListPreferenceModel
31 import com.android.settingslib.spa.widget.preference.ListPreferenceOption
32 import com.android.settingslib.spa.widget.preference.Preference
33 import com.android.settingslib.spa.widget.preference.PreferenceModel
34 import com.android.settingslib.spa.widget.scaffold.RegularScaffold
35 import com.android.settingslib.spa.widget.ui.Category
36 import kotlin.time.Duration.Companion.seconds
37 import kotlinx.coroutines.delay
38 import kotlinx.coroutines.flow.flow
39
40 private const val TITLE = "Sample ListPreference"
41
42 object ListPreferencePageProvider : SettingsPageProvider {
43 override val name = "ListPreference"
44
45 @Composable
Pagenull46 override fun Page(arguments: Bundle?) {
47 RegularScaffold(TITLE) {
48 Category {
49 SampleListPreference()
50 SampleNotChangeableListPreference()
51 }
52 }
53 }
54
55 @Composable
Entrynull56 fun Entry() {
57 Preference(object : PreferenceModel {
58 override val title = TITLE
59 override val onClick = navigator(name)
60 })
61 }
62 }
63
64 @Composable
SampleListPreferencenull65 private fun SampleListPreference() {
66 val selectedId = rememberSaveable { mutableIntStateOf(1) }
67 ListPreference(remember {
68 object : ListPreferenceModel {
69 override val title = "Preferred network type"
70 override val options = listOf(
71 ListPreferenceOption(id = 1, text = "5G (recommended)"),
72 ListPreferenceOption(id = 2, text = "LTE"),
73 ListPreferenceOption(id = 3, text = "3G"),
74 )
75 override val selectedId = selectedId
76 override val onIdSelected: (id: Int) -> Unit = { selectedId.intValue = it }
77 }
78 })
79 }
80
81 @Composable
SampleNotChangeableListPreferencenull82 private fun SampleNotChangeableListPreference() {
83 val selectedId = rememberSaveable { mutableIntStateOf(1) }
84 val enableFlow = flow {
85 var enabled = true
86 while (true) {
87 delay(3.seconds)
88 enabled = !enabled
89 emit(enabled)
90 }
91 }
92 val enabled = enableFlow.collectAsStateWithLifecycle(initialValue = true)
93 ListPreference(remember {
94 object : ListPreferenceModel {
95 override val title = "Preferred network type"
96 override val enabled = { enabled.value }
97 override val options = listOf(
98 ListPreferenceOption(id = 1, text = "5G (recommended)"),
99 ListPreferenceOption(id = 2, text = "LTE"),
100 ListPreferenceOption(id = 3, text = "3G"),
101 )
102 override val selectedId = selectedId
103 override val onIdSelected: (id: Int) -> Unit = { selectedId.intValue = it }
104 }
105 })
106 }
107
108 @Preview
109 @Composable
ListPreferencePagePreviewnull110 private fun ListPreferencePagePreview() {
111 SettingsTheme {
112 ListPreferencePageProvider.Page(null)
113 }
114 }
115