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Add ProductScreen previews for different UI states #57

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Add ProductScreen previews for different UI states #57

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971a4f8
Update CheckoutLayout.kt
Kyriakos-Georgiopoulos Jan 17, 2025
c6684c1
Update build.gradle.kts
Kyriakos-Georgiopoulos Jan 17, 2025
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1 change: 1 addition & 0 deletions kotlin/app/build.gradle.kts
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@ dependencies {

implementation("androidx.appcompat:appcompat:1.6.1")
implementation("androidx.activity:activity-compose:1.8.2")
debugImplementation("androidx.compose.ui:ui-tooling:1.1.1")
implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycleVersion")
implementation("androidx.lifecycle:lifecycle-viewmodel-compose:$lifecycleVersion")
implementation("androidx.lifecycle:lifecycle-runtime-compose:$lifecycleVersion")
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60 changes: 60 additions & 0 deletions kotlin/app/src/main/java/com/google/android/gms/samples/pay/ui/CheckoutLayout.kt
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Expand Up @@ -125,4 +125,64 @@ fun ProductScreen(
}
}
}
}

/**
* Wrapper to simplify previews with a provided description.
*/
@Composable
private fun ProductScreenPreviewWithDescription(
payUiState: PaymentUiState,
@PreviewParameter(LoremIpsum::class) description: String
) {
ProductScreen(
title = "Men's Tech Shell Full-Zip",
description = description.take(200), // Limit description to 200 characters
price = "$49.99",
image = R.drawable.ts_10_11019a,
onGooglePayButtonClick = {}, // No-op for previews
payUiState = payUiState,
)
}

/**
* Preview of ProductScreen in the initial state, where payment has not started.
*/
@Preview
@Composable
private fun ProductScreenPreviewNotStarted(
@PreviewParameter(LoremIpsum::class) description: String
) {
ProductScreenPreviewWithDescription(
payUiState = PaymentUiState.NotStarted,
description = description
)
}

/**
* Preview of ProductScreen when Google Pay is available.
*/
@Preview
@Composable
private fun ProductScreenPreviewAvailable(
@PreviewParameter(LoremIpsum::class) description: String
) {
ProductScreenPreviewWithDescription(
payUiState = PaymentUiState.Available,
description = description
)
}

/**
* Preview of ProductScreen after payment has been completed.
*/
@Preview
@Composable
private fun ProductScreenPreviewPaymentCompleted(
@PreviewParameter(LoremIpsum::class) description: String
) {
ProductScreenPreviewWithDescription(
payUiState = PaymentUiState.PaymentCompleted(payerName = "John"),
description = description
)
}