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Merge pull request #283 from android/wear
Adds snippet for Wear Navigation page
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136 changes: 136 additions & 0 deletions
136
wear/src/main/java/com/example/wear/snippets/navigation/Navigation.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /* | ||
| * Copyright 2022 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.wear.snippets.navigation | ||
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||
| import androidx.compose.foundation.layout.Arrangement | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.rememberScrollState | ||
| import androidx.compose.foundation.verticalScroll | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.compose.ui.text.style.TextAlign | ||
| import androidx.wear.compose.material.Text | ||
| import androidx.wear.compose.navigation.SwipeDismissableNavHost | ||
| import androidx.wear.compose.navigation.composable | ||
| import androidx.wear.compose.navigation.rememberSwipeDismissableNavController | ||
| import androidx.wear.compose.ui.tooling.preview.WearPreviewDevices | ||
| import androidx.wear.compose.ui.tooling.preview.WearPreviewFontScales | ||
| import com.example.wear.R | ||
| import com.google.android.horologist.annotations.ExperimentalHorologistApi | ||
| import com.google.android.horologist.compose.layout.ScalingLazyColumn | ||
| import com.google.android.horologist.compose.layout.ScalingLazyColumnDefaults | ||
| import com.google.android.horologist.compose.layout.ScalingLazyColumnDefaults.ItemType | ||
| import com.google.android.horologist.compose.layout.ScreenScaffold | ||
| import com.google.android.horologist.compose.layout.rememberResponsiveColumnState | ||
| import com.google.android.horologist.compose.material.Chip | ||
| import com.google.android.horologist.compose.material.ListHeaderDefaults.firstItemPadding | ||
| import com.google.android.horologist.compose.material.ResponsiveListHeader | ||
| import com.google.android.horologist.compose.rotaryinput.rotaryWithScroll | ||
|
|
||
| @Composable | ||
| fun navigation() { | ||
| // [START android_wear_navigation] | ||
| val navController = rememberSwipeDismissableNavController() | ||
| SwipeDismissableNavHost( | ||
| navController = navController, | ||
| startDestination = "message_list" | ||
| ) { | ||
| composable("message_list") { | ||
| MessageList(onMessageClick = { id -> | ||
| navController.navigate("message_detail/$id") | ||
| }) | ||
| } | ||
| composable("message_detail/{id}") { | ||
| MessageDetail(id = it.arguments?.getString("id")!!) | ||
| } | ||
| } | ||
| // [END android_wear_navigation] | ||
| } | ||
|
|
||
| @OptIn(ExperimentalHorologistApi::class) | ||
| @Composable | ||
| fun MessageDetail(id: String){ | ||
| val scrollState = rememberScrollState() | ||
|
|
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| ScreenScaffold(scrollState = scrollState) { | ||
| val padding = ScalingLazyColumnDefaults.padding( | ||
| first = ItemType.Text, | ||
| last = ItemType.Text | ||
| )() | ||
| Column( | ||
| modifier = Modifier | ||
| .fillMaxSize() | ||
| .verticalScroll(scrollState) | ||
| .rotaryWithScroll(scrollState) | ||
| .padding(padding), | ||
| verticalArrangement = Arrangement.Center | ||
| ) { | ||
| Text(text= id, | ||
| textAlign = TextAlign.Center, | ||
| modifier = Modifier.fillMaxSize()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @OptIn(ExperimentalHorologistApi::class) | ||
| @Composable | ||
| fun MessageList(onMessageClick: (String) -> Unit){ | ||
| val columnState = rememberResponsiveColumnState( | ||
| contentPadding = ScalingLazyColumnDefaults.padding( | ||
| first = ItemType.Text, | ||
| last = ItemType.Chip | ||
| ) | ||
| ) | ||
|
|
||
| ScreenScaffold(scrollState = columnState) { | ||
| ScalingLazyColumn( | ||
| columnState = columnState, | ||
| modifier = Modifier | ||
| .fillMaxSize() | ||
| ) { | ||
| item { | ||
| ResponsiveListHeader(contentPadding = firstItemPadding()) { | ||
| Text(text = stringResource(R.string.message_list)) | ||
| } | ||
| } | ||
| item { | ||
| Chip(label = "Message 1", onClick = { onMessageClick("message1")}) | ||
| } | ||
| item { | ||
| Chip(label = "Message 2", onClick = { onMessageClick("message2")}) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| @WearPreviewDevices | ||
| @WearPreviewFontScales | ||
| @Composable | ||
| fun MessageDetailPreview() { | ||
| MessageDetail("test") | ||
| } | ||
|
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||
| @WearPreviewDevices | ||
| @WearPreviewFontScales | ||
| @Composable | ||
| fun MessageListPreview() { | ||
| MessageList(onMessageClick = {}) | ||
| } | ||
|
|
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