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Home.kt
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Home.kt
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/*
* Copyright (C) 2021 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
*
* http://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.android.compose.motion.ui.home
import androidx.compose.foundation.border
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.WindowInsets
import androidx.compose.foundation.layout.asPaddingValues
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.navigationBars
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.statusBarsPadding
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.SmallTopAppBar
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import com.example.android.compose.motion.R
import com.example.android.compose.motion.demo.Demo
import com.example.android.compose.motion.ui.MotionComposeTheme
import com.google.accompanist.flowlayout.FlowRow
@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun Home(
onDemoSelected: (demo: Demo) -> Unit
) {
WindowInsets
Scaffold(
topBar = {
SmallTopAppBar(
title = {
Text(text = stringResource(R.string.app_name))
},
modifier = Modifier
.statusBarsPadding()
)
}
) { innerPadding ->
DemoList(
onDemoSelected = onDemoSelected,
modifier = Modifier
.fillMaxSize()
.padding(innerPadding)
)
}
}
@Composable
private fun DemoList(
onDemoSelected: (demo: Demo) -> Unit,
modifier: Modifier = Modifier
) {
LazyColumn(
modifier = modifier,
contentPadding = WindowInsets.navigationBars.asPaddingValues(),
verticalArrangement = Arrangement.spacedBy(8.dp)
) {
items(items = Demo.values()) { demo ->
DemoCard(
demo = demo,
onClick = { onDemoSelected(demo) },
modifier = Modifier
.fillMaxWidth()
.padding(horizontal = 8.dp)
)
}
}
}
@OptIn(ExperimentalMaterial3Api::class)
@Composable
private fun DemoCard(
demo: Demo,
onClick: () -> Unit,
modifier: Modifier = Modifier
) {
Surface(
modifier = modifier,
tonalElevation = 2.dp,
shape = RoundedCornerShape(16.dp),
onClick = onClick
) {
Column(
modifier = Modifier.padding(16.dp),
verticalArrangement = Arrangement.spacedBy(16.dp)
) {
Text(
text = demo.title,
style = MaterialTheme.typography.headlineSmall
)
Text(
text = demo.description,
style = MaterialTheme.typography.bodyMedium
)
FlowRow(mainAxisSpacing = 8.dp) {
for (api in demo.apis) {
ApiChip(api = api)
}
}
}
}
}
@Composable
private fun ApiChip(api: String) {
Text(
text = api,
modifier = Modifier
.border(
width = 1.dp,
color = MaterialTheme.colorScheme.primary,
shape = RoundedCornerShape(8.dp)
)
.padding(
horizontal = 8.dp,
vertical = 2.dp
),
style = MaterialTheme.typography.bodyMedium,
color = MaterialTheme.colorScheme.primary
)
}
@Preview
@Composable
private fun PreviewHome() {
MotionComposeTheme {
Home(
onDemoSelected = {}
)
}
}