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CourseListItem.kt
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CourseListItem.kt
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/*
* Copyright 2020 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.owl.ui.common
import androidx.compose.foundation.Icon
import androidx.compose.foundation.Text
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.aspectRatio
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.preferredHeight
import androidx.compose.foundation.layout.preferredSize
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.material.MaterialTheme
import androidx.compose.material.Surface
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.rounded.OndemandVideo
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.RectangleShape
import androidx.compose.ui.graphics.Shape
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import androidx.ui.tooling.preview.Preview
import com.example.owl.R
import com.example.owl.model.Course
import com.example.owl.model.courses
import com.example.owl.ui.theme.BlueTheme
import com.example.owl.ui.theme.OwlTheme
import com.example.owl.ui.utils.NetworkImage
@Composable
fun CourseListItem(
course: Course,
onClick: () -> Unit,
modifier: Modifier = Modifier.fillMaxWidth().preferredHeight(80.dp),
shape: Shape = RectangleShape,
elevation: Dp = OwlTheme.elevations.card,
titleStyle: TextStyle = MaterialTheme.typography.subtitle1,
iconSize: Dp = 16.dp
) {
Surface(
elevation = elevation,
shape = shape,
modifier = modifier
) {
Row(modifier = Modifier.clickable(onClick = onClick)) {
NetworkImage(
url = course.thumbUrl,
modifier = Modifier.aspectRatio(1f)
)
Column(
modifier = Modifier.padding(
start = 16.dp,
top = 16.dp,
end = 16.dp,
bottom = 8.dp
)
) {
Text(
text = course.name,
style = titleStyle,
maxLines = 2,
overflow = TextOverflow.Ellipsis,
modifier = Modifier
.weight(1f)
.padding(bottom = 4.dp)
)
Row(verticalAlignment = Alignment.CenterVertically) {
Icon(
asset = Icons.Rounded.OndemandVideo,
tint = MaterialTheme.colors.primary,
modifier = Modifier.preferredSize(iconSize)
)
Text(
text = stringResource(
R.string.course_step_steps,
course.step,
course.steps
),
color = MaterialTheme.colors.primary,
style = MaterialTheme.typography.caption,
modifier = Modifier
.padding(start = 8.dp)
.weight(1f)
)
NetworkImage(
url = course.instructor,
modifier = Modifier
.preferredSize(28.dp)
.clip(CircleShape)
)
}
}
}
}
}
@Preview(name = "Course list item")
@Composable
private fun CourseListItemPreviewLight() {
CourseListItemPreview(false)
}
@Preview(name = "Course list item – Dark")
@Composable
private fun CourseListItemPreviewDark() {
CourseListItemPreview(true)
}
@Composable
private fun CourseListItemPreview(darkTheme: Boolean) {
BlueTheme(darkTheme) {
CourseListItem(
course = courses.first(),
onClick = {}
)
}
}