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AddressElementActivity.kt
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AddressElementActivity.kt
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package com.stripe.android.paymentsheet.addresselement
import android.content.Intent
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.viewModels
import androidx.annotation.VisibleForTesting
import androidx.compose.animation.ExperimentalAnimationApi
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.navigationBarsPadding
import androidx.compose.foundation.layout.systemBarsPadding
import androidx.compose.material.ExperimentalMaterialApi
import androidx.compose.material.MaterialTheme
import androidx.compose.material.ModalBottomSheetLayout
import androidx.compose.material.ModalBottomSheetValue
import androidx.compose.material.Surface
import androidx.compose.material.rememberModalBottomSheetState
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.snapshotFlow
import androidx.compose.ui.Modifier
import androidx.core.view.WindowCompat
import androidx.lifecycle.ViewModelProvider
import androidx.navigation.NavHostController
import androidx.navigation.NavType
import androidx.navigation.navArgument
import com.google.accompanist.navigation.animation.composable
import com.google.accompanist.navigation.animation.AnimatedNavHost
import com.google.accompanist.navigation.animation.rememberAnimatedNavController
import com.stripe.android.paymentsheet.parseAppearance
import com.stripe.android.utils.AnimationConstants
import com.stripe.android.ui.core.PaymentsTheme
import kotlinx.coroutines.launch
@OptIn(ExperimentalMaterialApi::class)
internal class AddressElementActivity : ComponentActivity() {
@VisibleForTesting
internal var viewModelFactory: ViewModelProvider.Factory =
AddressElementViewModel.Factory(
applicationSupplier = { application },
starterArgsSupplier = { starterArgs }
)
private val viewModel: AddressElementViewModel by viewModels { viewModelFactory }
private val starterArgs by lazy {
requireNotNull(AddressElementActivityContract.Args.fromIntent(intent))
}
private lateinit var navController: NavHostController
@OptIn(ExperimentalAnimationApi::class)
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
WindowCompat.setDecorFitsSystemWindows(window, false)
starterArgs.config?.appearance?.parseAppearance()
starterArgs.statusBarColor?.let {
window.statusBarColor = it
}
// set a default result in case the user closes the sheet manually
setResult()
setContent {
val modalBottomSheetState = rememberModalBottomSheetState(
initialValue = ModalBottomSheetValue.Expanded,
skipHalfExpanded = true,
confirmStateChange = {
val route = navController.currentDestination?.route
route != AddressElementScreen.Autocomplete.route
}
)
navController = rememberAnimatedNavController()
viewModel.navigator.navigationController = navController
val coroutineScope = rememberCoroutineScope()
LaunchedEffect(Unit) {
snapshotFlow { modalBottomSheetState.currentValue }.collect {
// finish the activity when the sheet closes.
if (it == ModalBottomSheetValue.Hidden) {
finish()
}
}
}
viewModel.navigator.onDismiss = {
setResult(it)
coroutineScope.launch {
modalBottomSheetState.hide()
}
}
ModalBottomSheetLayout(
sheetState = modalBottomSheetState,
sheetContent = {
PaymentsTheme {
Surface(
color = MaterialTheme.colors.surface,
modifier = Modifier.fillMaxSize()
) {
AnimatedNavHost(
navController,
AddressElementScreen.InputAddress.route
) {
composable(AddressElementScreen.InputAddress.route) {
InputAddressScreen(viewModel.injector)
}
composable(
AddressElementScreen.Autocomplete.route,
arguments = listOf(
navArgument(AddressElementScreen.Autocomplete.countryArg) {
type = NavType.StringType
}
)
) { backStackEntry ->
val country = backStackEntry
.arguments
?.getString(
AddressElementScreen.Autocomplete.countryArg
)
AutocompleteScreen(
viewModel.injector,
country
)
}
}
}
}
},
content = {},
modifier = Modifier
.navigationBarsPadding()
.systemBarsPadding()
)
}
}
private fun setResult(result: AddressLauncherResult = AddressLauncherResult.Canceled) {
setResult(
result.resultCode,
Intent().putExtras(
AddressElementActivityContract.Result(result).toBundle()
)
)
}
override fun finish() {
super.finish()
overridePendingTransition(AnimationConstants.FADE_IN, AnimationConstants.FADE_OUT)
}
}