/
SampleListDetailPaneScaffold.kt
211 lines (197 loc) · 6.73 KB
/
SampleListDetailPaneScaffold.kt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.compose.snippets.adaptivelayouts
import android.os.Parcelable
import androidx.activity.compose.BackHandler
import androidx.compose.foundation.background
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.material3.Card
import androidx.compose.material3.ListItem
import androidx.compose.material3.Text
import androidx.compose.material3.adaptive.ExperimentalMaterial3AdaptiveApi
import androidx.compose.material3.adaptive.layout.AnimatedPane
import androidx.compose.material3.adaptive.layout.ListDetailPaneScaffold
import androidx.compose.material3.adaptive.layout.ListDetailPaneScaffoldRole
import androidx.compose.material3.adaptive.navigation.rememberListDetailPaneScaffoldNavigator
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import kotlinx.parcelize.Parcelize
@OptIn(ExperimentalMaterial3AdaptiveApi::class)
@Composable
fun SampleListDetailPaneScaffoldParts() {
// [START android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part02]
val navigator = rememberListDetailPaneScaffoldNavigator<MyItem>()
BackHandler(navigator.canNavigateBack()) {
navigator.navigateBack()
}
// [END android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part02]
// [START android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part03]
ListDetailPaneScaffold(
directive = navigator.scaffoldDirective,
value = navigator.scaffoldValue,
// [START_EXCLUDE]
listPane = {},
detailPane = {},
// [END_EXCLUDE]
)
// [END android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part03]
// [START android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part04]
ListDetailPaneScaffold(
directive = navigator.scaffoldDirective,
value = navigator.scaffoldValue,
listPane = {
AnimatedPane {
MyList(
onItemClick = { item ->
// Navigate to the detail pane with the passed item
navigator.navigateTo(ListDetailPaneScaffoldRole.Detail, item)
}
)
}
},
// [START_EXCLUDE]
detailPane = {},
// [END_EXCLUDE]
)
// [END android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part04]
// [START android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part05]
ListDetailPaneScaffold(
directive = navigator.scaffoldDirective,
value = navigator.scaffoldValue,
listPane =
// [START_EXCLUDE]
{},
// [END_EXCLUDE]
detailPane = {
AnimatedPane {
navigator.currentDestination?.content?.let {
MyDetails(it)
}
}
},
)
// [END android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_part05]
}
@OptIn(ExperimentalMaterial3AdaptiveApi::class)
@Preview
@Composable
fun SampleListDetailPaneScaffoldFull() {
// [START android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_full]
val navigator = rememberListDetailPaneScaffoldNavigator<MyItem>()
BackHandler(navigator.canNavigateBack()) {
navigator.navigateBack()
}
ListDetailPaneScaffold(
directive = navigator.scaffoldDirective,
value = navigator.scaffoldValue,
listPane = {
AnimatedPane {
MyList(
onItemClick = { item ->
// Navigate to the detail pane with the passed item
navigator.navigateTo(ListDetailPaneScaffoldRole.Detail, item)
},
)
}
},
detailPane = {
AnimatedPane {
// Show the detail pane content if selected item is available
navigator.currentDestination?.content?.let {
MyDetails(it)
}
}
},
)
// [END android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_full]
}
@Composable
fun MyList(
onItemClick: (MyItem) -> Unit,
) {
Card {
LazyColumn {
shortStrings.forEachIndexed { id, string ->
item {
ListItem(
modifier = Modifier
.background(Color.Magenta)
.clickable {
onItemClick(MyItem(id))
},
headlineContent = {
Text(
text = string,
)
},
)
}
}
}
}
}
@Composable
fun MyDetails(item: MyItem) {
val text = shortStrings[item.id]
Card {
Column(
Modifier
.fillMaxSize()
.padding(16.dp)
) {
Text(
text = "Details page for $text",
fontSize = 24.sp,
)
Spacer(Modifier.size(16.dp))
Text(
text = "TODO: Add great details here"
)
}
}
}
// [START android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_myitem]
@Parcelize
class MyItem(val id: Int) : Parcelable
// [END android_compose_adaptivelayouts_sample_list_detail_pane_scaffold_myitem]
val shortStrings = listOf(
"Cupcake",
"Donut",
"Eclair",
"Froyo",
"Gingerbread",
"Honeycomb",
"Ice cream sandwich",
"Jelly bean",
"Kitkat",
"Lollipop",
"Marshmallow",
"Nougat",
"Oreo",
"Pie",
)