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Support @PreviewParameter annotated preview params (#271)
* [WIP] Support @PreviewParameter annotated preview params * Minor cleanups and handle limit * More examples * Adjust param * unit tests and lint * Add some logging * Index * Race * Adjust * Add preview filter * Remove log
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snapshots/sample/app/src/main/kotlin/com/emergetools/snapshots/sample/ui/UserRow.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package com.emergetools.snapshots.sample.ui | ||
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| import android.content.res.Configuration | ||
| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.layout.Arrangement | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.Row | ||
| import androidx.compose.foundation.layout.Spacer | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.layout.size | ||
| import androidx.compose.foundation.layout.width | ||
| import androidx.compose.foundation.shape.CircleShape | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.material3.Surface | ||
| import androidx.compose.material3.Text | ||
| 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.Color | ||
| import androidx.compose.ui.text.style.TextAlign | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.tooling.preview.PreviewParameter | ||
| import androidx.compose.ui.tooling.preview.PreviewParameterProvider | ||
| import androidx.compose.ui.unit.dp | ||
| import com.emergetools.snapshots.sample.ui.theme.SnapshotsSampleTheme | ||
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|
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| data class User(val name: String, val email: String) | ||
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| @Composable | ||
| fun UserRow(user: User) { | ||
| Row( | ||
| modifier = Modifier | ||
| .fillMaxWidth() | ||
| .padding(16.dp), | ||
| verticalAlignment = Alignment.CenterVertically | ||
| ) { | ||
| // Profile picture | ||
| Surface( | ||
| modifier = Modifier | ||
| .size(40.dp) | ||
| .clip(CircleShape) | ||
| .background(Color.Cyan), | ||
| color = Color.Transparent | ||
| ) { | ||
| // Center content vertically and horizontally | ||
| Column( | ||
| modifier = Modifier.fillMaxSize(), | ||
| verticalArrangement = Arrangement.Center, | ||
| horizontalAlignment = Alignment.CenterHorizontally | ||
| ) { | ||
| Text( | ||
| text = user.name.firstOrNull()?.uppercase() ?: "", | ||
| style = MaterialTheme.typography.bodyLarge, | ||
| textAlign = TextAlign.Center | ||
| ) | ||
| } | ||
| } | ||
|
|
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| Spacer(modifier = Modifier.width(16.dp)) | ||
|
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| // User details | ||
| Column { | ||
| Text(text = user.name, style = MaterialTheme.typography.bodyMedium) | ||
| Text(text = user.email, style = MaterialTheme.typography.bodySmall, color = Color.Gray) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Preview(showBackground = true) | ||
| @Preview(uiMode = Configuration.UI_MODE_NIGHT_YES) | ||
| @Composable | ||
| fun UserRowPreview( | ||
| @PreviewParameter(UserRowPreviewProvider::class) user: User, | ||
| ) { | ||
| SnapshotsSampleTheme { | ||
| UserRow(user = user) | ||
| } | ||
| } | ||
|
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| @Preview(showBackground = true) | ||
| @Preview(uiMode = Configuration.UI_MODE_NIGHT_YES) | ||
| @Composable | ||
| fun UserRowPreviewWithLimit( | ||
| @PreviewParameter(UserRowPreviewProvider::class, limit = 2) user: User, | ||
| ) { | ||
| SnapshotsSampleTheme { | ||
| UserRow(user = user) | ||
| } | ||
| } | ||
|
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| class UserRowPreviewProvider : PreviewParameterProvider<User> { | ||
| override val values: Sequence<User> = sequenceOf( | ||
| User(name = "Ryan", email = "[email protected]"), | ||
| User(name = "Trevor", email = "[email protected]"), | ||
| User(name = "Josh", email = "[email protected]"), | ||
| ) | ||
| } |
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