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rememberLauncher to use Launchers in Compose (#5274)
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166 changes: 166 additions & 0 deletions
166
example/src/main/java/com/stripe/example/activity/GooglePayLauncherComposeActivity.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| package com.stripe.example.activity | ||
|
|
||
| import android.os.Bundle | ||
| import androidx.activity.compose.setContent | ||
| import androidx.compose.foundation.clickable | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.Spacer | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.wrapContentWidth | ||
| import androidx.compose.material.LinearProgressIndicator | ||
| import androidx.compose.material.Scaffold | ||
| import androidx.compose.material.ScaffoldState | ||
| import androidx.compose.material.rememberScaffoldState | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.rememberCoroutineScope | ||
| import androidx.compose.runtime.saveable.rememberSaveable | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.compose.ui.viewinterop.AndroidView | ||
| import com.stripe.android.googlepaylauncher.GooglePayEnvironment | ||
| import com.stripe.android.googlepaylauncher.GooglePayLauncher | ||
| import kotlinx.coroutines.launch | ||
|
|
||
| class GooglePayLauncherComposeActivity : StripeIntentActivity() { | ||
| private val googlePayConfig = GooglePayLauncher.Config( | ||
| environment = GooglePayEnvironment.Test, | ||
| merchantCountryCode = COUNTRY_CODE, | ||
| merchantName = "Widget Store", | ||
| billingAddressConfig = GooglePayLauncher.BillingAddressConfig( | ||
| isRequired = true, | ||
| format = GooglePayLauncher.BillingAddressConfig.Format.Full, | ||
| isPhoneNumberRequired = false | ||
| ), | ||
| existingPaymentMethodRequired = false | ||
| ) | ||
|
|
||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
|
|
||
| setContent { | ||
| GooglePayLauncherScreen() | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun GooglePayLauncherScreen() { | ||
| val scaffoldState = rememberScaffoldState() | ||
| val scope = rememberCoroutineScope() | ||
|
|
||
| var clientSecret by rememberSaveable { mutableStateOf("") } | ||
| var googlePayReady by rememberSaveable { mutableStateOf<Boolean?>(null) } | ||
| var completed by rememberSaveable { mutableStateOf(false) } | ||
|
|
||
| LaunchedEffect(Unit) { | ||
| if (clientSecret.isBlank()) { | ||
| viewModel.createPaymentIntent(COUNTRY_CODE).observe( | ||
| this@GooglePayLauncherComposeActivity | ||
| ) { result -> | ||
| result.fold( | ||
| onSuccess = { json -> | ||
| clientSecret = json.getString("secret") | ||
| }, | ||
| onFailure = { error -> | ||
| scope.launch { | ||
| scaffoldState.snackbarHostState.showSnackbar( | ||
| "Could not create PaymentIntent. ${error.message}" | ||
| ) | ||
| } | ||
| completed = true | ||
| } | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| val googlePayLauncher = GooglePayLauncher.rememberLauncher( | ||
| config = googlePayConfig, | ||
| readyCallback = { ready -> | ||
| if (googlePayReady == null) { | ||
| googlePayReady = ready | ||
|
|
||
| if (!ready) { | ||
| completed = true | ||
| } | ||
|
|
||
| scope.launch { | ||
| scaffoldState.snackbarHostState.showSnackbar("Google Pay ready? $ready") | ||
| } | ||
| } | ||
| }, | ||
| resultCallback = { result -> | ||
| when (result) { | ||
| GooglePayLauncher.Result.Completed -> { | ||
| "Successfully collected payment." | ||
| } | ||
| GooglePayLauncher.Result.Canceled -> { | ||
| "Customer cancelled Google Pay." | ||
| } | ||
| is GooglePayLauncher.Result.Failed -> { | ||
| "Google Pay failed. ${result.error.message}" | ||
| } | ||
| }.let { | ||
| scope.launch { | ||
| scaffoldState.snackbarHostState.showSnackbar(it) | ||
| completed = true | ||
| } | ||
| } | ||
| } | ||
| ) | ||
|
|
||
| GooglePayLauncherScreen( | ||
| scaffoldState = scaffoldState, | ||
| clientSecret = clientSecret, | ||
| googlePayReady = googlePayReady, | ||
| completed = completed, | ||
| onLaunchGooglePay = { googlePayLauncher.presentForPaymentIntent(it) } | ||
| ) | ||
| } | ||
|
|
||
| @Composable | ||
| private fun GooglePayLauncherScreen( | ||
| scaffoldState: ScaffoldState, | ||
| clientSecret: String, | ||
| googlePayReady: Boolean?, | ||
| completed: Boolean, | ||
| onLaunchGooglePay: (String) -> Unit | ||
| ) { | ||
| Scaffold(scaffoldState = scaffoldState) { | ||
| Column(Modifier.fillMaxWidth()) { | ||
| if (googlePayReady == null || clientSecret.isBlank()) { | ||
| LinearProgressIndicator(Modifier.fillMaxWidth()) | ||
| } | ||
|
|
||
| Spacer( | ||
| Modifier | ||
| .height(8.dp) | ||
| .fillMaxWidth() | ||
| ) | ||
|
|
||
| AndroidView( | ||
| factory = { context -> | ||
| GooglePayButton(context) | ||
| }, | ||
| modifier = Modifier | ||
| .wrapContentWidth() | ||
| .clickable( | ||
| enabled = googlePayReady == true && | ||
| clientSecret.isNotBlank() && !completed, | ||
| onClick = { | ||
| onLaunchGooglePay(clientSecret) | ||
| } | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private companion object { | ||
| private const val COUNTRY_CODE = "US" | ||
| } | ||
| } |
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