feat: replacing SubcomposeAsyncImage as its not recommended to use with lazyLayout

pull/850/head
qamarelsafadi 1 year ago
parent 5abc69fb49
commit f203e9a218

@ -18,19 +18,30 @@ package com.google.samples.apps.nowinandroid.core.designsystem.component
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.size
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.MaterialTheme
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.ColorFilter
import androidx.compose.ui.graphics.painter.Painter
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.unit.dp
import coil.compose.AsyncImage
import coil.compose.AsyncImagePainter.State.Error
import coil.compose.AsyncImagePainter.State.Loading
import coil.compose.SubcomposeAsyncImage
import coil.compose.rememberAsyncImagePainter
import com.google.samples.apps.nowinandroid.core.designsystem.R
import com.google.samples.apps.nowinandroid.core.designsystem.R.drawable
import com.google.samples.apps.nowinandroid.core.designsystem.theme.LocalTintTheme
/**
@ -44,27 +55,34 @@ fun DynamicAsyncImage(
placeholder: Painter = painterResource(R.drawable.ic_placeholder_default),
) {
val iconTint = LocalTintTheme.current.iconTint
SubcomposeAsyncImage(
error = {
Image(
painter = placeholder,
contentDescription = "placeholder image",
)
},
var isLoading by remember { mutableStateOf(true) }
var isError by remember { mutableStateOf(false) }
val imageLoader = rememberAsyncImagePainter(
model = imageUrl,
contentDescription = contentDescription,
colorFilter = if (iconTint != null) ColorFilter.tint(iconTint) else null,
modifier = modifier,
loading = {
onState = { state ->
isLoading = state is Loading
isError = state is Error
},
)
Box(
modifier = Modifier,
modifier = modifier,
contentAlignment = Alignment.Center,
) {
if (isLoading) {
// Display a progress bar while loading
CircularProgressIndicator(
Modifier.size(80.dp),
modifier = Modifier
.align(Alignment.Center)
.size(80.dp),
color = MaterialTheme.colorScheme.tertiary,
)
}
},
Image(
contentScale = ContentScale.Crop,
painter = if (isError.not()) imageLoader else placeholder,
contentDescription = contentDescription,
colorFilter = if (iconTint != null) ColorFilter.tint(iconTint) else null,
modifier = modifier,
)
}
}

@ -44,6 +44,7 @@ import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
@ -59,7 +60,12 @@ import androidx.compose.ui.semantics.semantics
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.tooling.preview.PreviewParameter
import androidx.compose.ui.unit.dp
import coil.compose.SubcomposeAsyncImage
import coil.compose.AsyncImage
import coil.compose.AsyncImagePainter
import coil.compose.rememberAsyncImagePainter
import coil.compose.rememberImagePainter
import coil.request.ImageRequest
import com.google.samples.apps.nowinandroid.core.designsystem.R.drawable
import com.google.samples.apps.nowinandroid.core.designsystem.component.NiaIconToggleButton
import com.google.samples.apps.nowinandroid.core.designsystem.component.NiaTopicTag
import com.google.samples.apps.nowinandroid.core.designsystem.icon.NiaIcons
@ -74,7 +80,6 @@ import java.time.ZoneId
import java.time.format.DateTimeFormatter
import java.time.format.FormatStyle
import java.util.Locale
import com.google.samples.apps.nowinandroid.core.designsystem.R as DesignsystemR
/**
* [NewsResource] card used on the following screens: For You, Saved
@ -149,32 +154,41 @@ fun NewsResourceCardExpanded(
fun NewsResourceHeaderImage(
headerImageUrl: String?,
) {
SubcomposeAsyncImage(
modifier = Modifier
.fillMaxWidth()
.height(180.dp),
contentScale = ContentScale.Crop,
var isLoading by remember { mutableStateOf(true) }
var isError by remember { mutableStateOf(false) }
val imageLoader = rememberAsyncImagePainter(
model = headerImageUrl,
// TODO b/226661685: Investigate using alt text of image to populate content description
contentDescription = null, // decorative image,
error = {
Image(
painter = painterResource(DesignsystemR.drawable.ic_placeholder_default),
contentDescription = "placeholder image",
)
onState = { state ->
isLoading = state is AsyncImagePainter.State.Loading
isError = state is AsyncImagePainter.State.Error
},
loading = {
)
Box(
modifier = Modifier.size(180.dp),
modifier = Modifier
.fillMaxWidth()
.height(180.dp),
contentAlignment = Alignment.Center,
) {
if (isLoading) {
// Display a progress bar while loading
CircularProgressIndicator(
Modifier.size(80.dp),
modifier = Modifier
.align(Alignment.Center)
.size(80.dp),
color = MaterialTheme.colorScheme.tertiary,
)
}
},
Image(
modifier = Modifier
.fillMaxWidth()
.height(180.dp),
contentScale = ContentScale.Crop,
painter = if (isError.not()) imageLoader else painterResource(drawable.ic_placeholder_default),
// TODO b/226661685: Investigate using alt text of image to populate content description
contentDescription = null, // decorative image,
)
}
}
@Composable
@ -249,7 +263,6 @@ fun dateFormatted(publishDate: Instant): String {
.withLocale(Locale.getDefault())
.withZone(zoneId)
.format(publishDate.toJavaInstant())
}
@Composable

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