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| 1 | +/* |
| 2 | + * Copyright 2022 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 | + * https://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.wear.snippets.navigation |
| 18 | + |
| 19 | +import androidx.compose.foundation.layout.Arrangement |
| 20 | +import androidx.compose.foundation.layout.Column |
| 21 | +import androidx.compose.foundation.layout.fillMaxSize |
| 22 | +import androidx.compose.foundation.layout.padding |
| 23 | +import androidx.compose.foundation.rememberScrollState |
| 24 | +import androidx.compose.foundation.verticalScroll |
| 25 | +import androidx.compose.runtime.Composable |
| 26 | +import androidx.compose.ui.Modifier |
| 27 | +import androidx.compose.ui.res.stringResource |
| 28 | +import androidx.compose.ui.text.style.TextAlign |
| 29 | +import androidx.wear.compose.material.Text |
| 30 | +import androidx.wear.compose.navigation.SwipeDismissableNavHost |
| 31 | +import androidx.wear.compose.navigation.composable |
| 32 | +import androidx.wear.compose.navigation.rememberSwipeDismissableNavController |
| 33 | +import androidx.wear.compose.ui.tooling.preview.WearPreviewDevices |
| 34 | +import androidx.wear.compose.ui.tooling.preview.WearPreviewFontScales |
| 35 | +import com.example.wear.R |
| 36 | +import com.google.android.horologist.annotations.ExperimentalHorologistApi |
| 37 | +import com.google.android.horologist.compose.layout.ScalingLazyColumn |
| 38 | +import com.google.android.horologist.compose.layout.ScalingLazyColumnDefaults |
| 39 | +import com.google.android.horologist.compose.layout.ScalingLazyColumnDefaults.ItemType |
| 40 | +import com.google.android.horologist.compose.layout.ScreenScaffold |
| 41 | +import com.google.android.horologist.compose.layout.rememberResponsiveColumnState |
| 42 | +import com.google.android.horologist.compose.material.Chip |
| 43 | +import com.google.android.horologist.compose.material.ListHeaderDefaults.firstItemPadding |
| 44 | +import com.google.android.horologist.compose.material.ResponsiveListHeader |
| 45 | +import com.google.android.horologist.compose.rotaryinput.rotaryWithScroll |
| 46 | + |
| 47 | + @Composable |
| 48 | + fun navigation() { |
| 49 | + // [START android_wear_navigation] |
| 50 | + val navController = rememberSwipeDismissableNavController() |
| 51 | + SwipeDismissableNavHost( |
| 52 | + navController = navController, |
| 53 | + startDestination = "message_list" |
| 54 | + ) { |
| 55 | + composable("message_list") { |
| 56 | + MessageList(onMessageClick = { id -> |
| 57 | + navController.navigate("message_detail/$id") |
| 58 | + }) |
| 59 | + } |
| 60 | + composable("message_detail/{id}") { |
| 61 | + MessageDetail(id = it.arguments?.getString("id")!!) |
| 62 | + } |
| 63 | + } |
| 64 | + // [END android_wear_navigation] |
| 65 | + } |
| 66 | + |
| 67 | +@OptIn(ExperimentalHorologistApi::class) |
| 68 | +@Composable |
| 69 | +fun MessageDetail(id: String){ |
| 70 | + val scrollState = rememberScrollState() |
| 71 | + |
| 72 | + ScreenScaffold(scrollState = scrollState) { |
| 73 | + val padding = ScalingLazyColumnDefaults.padding( |
| 74 | + first = ItemType.Text, |
| 75 | + last = ItemType.Text |
| 76 | + )() |
| 77 | + Column( |
| 78 | + modifier = Modifier |
| 79 | + .fillMaxSize() |
| 80 | + .verticalScroll(scrollState) |
| 81 | + .rotaryWithScroll(scrollState) |
| 82 | + .padding(padding), |
| 83 | + verticalArrangement = Arrangement.Center |
| 84 | + ) { |
| 85 | + Text(text= id, |
| 86 | + textAlign = TextAlign.Center, |
| 87 | + modifier = Modifier.fillMaxSize()) |
| 88 | + } |
| 89 | + } |
| 90 | +} |
| 91 | + |
| 92 | +@OptIn(ExperimentalHorologistApi::class) |
| 93 | +@Composable |
| 94 | +fun MessageList(onMessageClick: (String) -> Unit){ |
| 95 | + val columnState = rememberResponsiveColumnState( |
| 96 | + contentPadding = ScalingLazyColumnDefaults.padding( |
| 97 | + first = ItemType.Text, |
| 98 | + last = ItemType.Chip |
| 99 | + ) |
| 100 | + ) |
| 101 | + |
| 102 | + ScreenScaffold(scrollState = columnState) { |
| 103 | + ScalingLazyColumn( |
| 104 | + columnState = columnState, |
| 105 | + modifier = Modifier |
| 106 | + .fillMaxSize() |
| 107 | + ) { |
| 108 | + item { |
| 109 | + ResponsiveListHeader(contentPadding = firstItemPadding()) { |
| 110 | + Text(text = stringResource(R.string.message_list)) |
| 111 | + } |
| 112 | + } |
| 113 | + item { |
| 114 | + Chip(label = "Message 1", onClick = { onMessageClick("message1")}) |
| 115 | + } |
| 116 | + item { |
| 117 | + Chip(label = "Message 2", onClick = { onMessageClick("message2")}) |
| 118 | + } |
| 119 | + } |
| 120 | + } |
| 121 | +} |
| 122 | + |
| 123 | +@WearPreviewDevices |
| 124 | +@WearPreviewFontScales |
| 125 | +@Composable |
| 126 | +fun MessageDetailPreview() { |
| 127 | + MessageDetail("test") |
| 128 | +} |
| 129 | + |
| 130 | +@WearPreviewDevices |
| 131 | +@WearPreviewFontScales |
| 132 | +@Composable |
| 133 | +fun MessageListPreview() { |
| 134 | + MessageList(onMessageClick = {}) |
| 135 | +} |
| 136 | + |
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