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-rw-r--r--anastasis/src/main/java/net/taler/anastasis/MainActivity.kt104
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/Routes.kt25
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/Utils.kt37
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/models/ChallengeFeedback.kt84
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/models/RecoveryDocument.kt57
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/models/ReducerState.kt395
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupContinentScreen.kt76
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupCountryScreen.kt77
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupUserAttributesScreen.kt141
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/home/HomeScreen.kt94
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/ActionCard.kt73
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DatePickerField.kt109
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DropdownTextField.kt129
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/Picker.kt99
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/reusable/pages/WizardPage.kt117
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/theme/Color.kt11
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/theme/Spacing.kt32
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/theme/Theme.kt73
-rw-r--r--anastasis/src/main/java/net/taler/anastasis/ui/theme/Type.kt34
19 files changed, 1767 insertions, 0 deletions
diff --git a/anastasis/src/main/java/net/taler/anastasis/MainActivity.kt b/anastasis/src/main/java/net/taler/anastasis/MainActivity.kt
new file mode 100644
index 0000000..24f604a
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/MainActivity.kt
@@ -0,0 +1,104 @@
+package net.taler.anastasis
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import net.taler.anastasis.models.ContinentInfo
+import net.taler.anastasis.models.CountryInfo
+import net.taler.anastasis.models.UserAttributeSpec
+import net.taler.anastasis.ui.backup.BackupContinentScreen
+import net.taler.anastasis.ui.backup.BackupCountryScreen
+import net.taler.anastasis.ui.backup.BackupUserAttributesScreen
+import net.taler.anastasis.ui.home.HomeScreen
+import net.taler.anastasis.ui.theme.AnastasisTheme
+
+class MainActivity : ComponentActivity() {
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContent {
+ AnastasisTheme {
+ Surface(
+ modifier = Modifier.fillMaxSize(),
+ color = MaterialTheme.colorScheme.background,
+ ) {
+ MainNavHost()
+ }
+ }
+ }
+ }
+}
+
+@Composable
+fun MainNavHost() {
+ val navController = rememberNavController()
+ NavHost(
+ navController = navController,
+ startDestination = Routes.Home.route,
+ ) {
+ composable(Routes.Home.route) {
+ HomeScreen(navController = navController)
+ }
+ composable(Routes.BackupContinent.route) {
+ BackupContinentScreen(
+ navController = navController,
+ continents = listOf(
+ ContinentInfo("Europe"),
+ ContinentInfo("India"),
+ ContinentInfo("Asia"),
+ ContinentInfo("North America")
+ ),
+ onSelectContinent = {},
+ )
+ }
+ composable(Routes.BackupCountry.route) {
+ BackupCountryScreen(
+ navController = navController,
+ countries = listOf(
+ CountryInfo("ch", "Switzerland", "Europe"),
+ CountryInfo("de", "Germany", "Europe"),
+ ),
+ onSelectCountry = {},
+ )
+ }
+ composable(Routes.BackupUserAttributes.route) {
+ BackupUserAttributesScreen(
+ navController = navController,
+ userAttributes = listOf(
+ UserAttributeSpec(
+ type = "string",
+ name = "full_name",
+ label = "Full name",
+ widget = "anastasis_gtk_ia_full_name",
+ uuid = "9e8f463f-575f-42cb-85f3-759559997331",
+ validationLogic = null,
+ validationRegex = null,
+ ),
+ UserAttributeSpec(
+ type = "date",
+ name = "birthdate",
+ label = "Birthdate",
+ uuid = "83d655c7-bdb6-484d-904e-80c1058c8854",
+ widget = "anastasis_gtk_ia_birthdate",
+ validationLogic = null,
+ validationRegex = null,
+ ),
+ ),
+ )
+ }
+ composable(Routes.RecoveryCountry.route) {
+ Text("This is the recover screen!")
+ }
+ composable(Routes.RestoreInit.route) {
+ Text("This is the restore session screen!")
+ }
+ }
+}
diff --git a/anastasis/src/main/java/net/taler/anastasis/Routes.kt b/anastasis/src/main/java/net/taler/anastasis/Routes.kt
new file mode 100644
index 0000000..18db321
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/Routes.kt
@@ -0,0 +1,25 @@
+package net.taler.anastasis
+
+
+sealed class Routes(
+ val route: String
+) {
+ object Home: Routes("home")
+
+ // Backup
+ object BackupContinent: Routes("backup_continent")
+ object BackupCountry: Routes("backup_country")
+ object BackupUserAttributes: Routes("backup_user_attributes")
+
+ // Recovery
+ object RecoveryCountry: Routes("recovery_country")
+
+ // Restore
+ object RestoreInit: Routes("restore")
+
+// fun withArgs(args: Map<String, Any>) = with(Uri.parse(route).buildUpon()) {
+// args.forEach { entry ->
+// appendQueryParameter(entry.key, entry.value.toString())
+// }
+// }.toString()
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/Utils.kt b/anastasis/src/main/java/net/taler/anastasis/Utils.kt
new file mode 100644
index 0000000..0ddd54d
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/Utils.kt
@@ -0,0 +1,37 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.anastasis
+
+import android.os.Build
+import kotlinx.datetime.LocalDate
+import kotlinx.datetime.toJavaLocalDate
+import java.text.SimpleDateFormat
+import java.time.format.DateTimeFormatter
+import java.util.Locale
+
+object Utils {
+ fun formatDate(date: LocalDate): String {
+ val javaDate = date.toJavaLocalDate()
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+ val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+ return javaDate.format(formatter)
+ } else {
+ val formatter = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
+ return formatter.format(date)
+ }
+ }
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/models/ChallengeFeedback.kt b/anastasis/src/main/java/net/taler/anastasis/models/ChallengeFeedback.kt
new file mode 100644
index 0000000..57496db
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/models/ChallengeFeedback.kt
@@ -0,0 +1,84 @@
+package net.taler.anastasis.models
+
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonClassDiscriminator
+import net.taler.common.Amount
+
+@OptIn(ExperimentalSerializationApi::class)
+@Serializable
+@JsonClassDiscriminator("state")
+abstract class ChallengeFeedback
+
+@Serializable
+@SerialName("solved")
+class ChallengeFeedbackSolved: ChallengeFeedback()
+
+@Serializable
+@SerialName("incorrect-answer")
+class ChallengeFeedbackIncorrectAnswer: ChallengeFeedback()
+
+@Serializable
+@SerialName("code-in-file")
+data class ChallengeFeedbackCodeInFile(
+ val filename: String,
+ @SerialName("display_hint")
+ val displayHint: String,
+): ChallengeFeedback()
+
+@Serializable
+@SerialName("code-sent")
+data class ChallengeFeedbackCodeSent(
+ @SerialName("display_hint")
+ val displayHint: String,
+ @SerialName("address_hint")
+ val addressHint: String,
+): ChallengeFeedback()
+
+@Serializable
+@SerialName("unsupported")
+data class ChallengeFeedbackUnsupported(
+ @SerialName("unsupported_method")
+ val unsupportedMethod: String,
+): ChallengeFeedback()
+
+@Serializable
+@SerialName("rate-limit-exceeded")
+class ChallengeFeedbackRateLimitExceeded: ChallengeFeedback()
+
+@Serializable
+@SerialName("iban-instructions")
+data class ChallengeFeedbackBankTransferRequired(
+ @SerialName("challenge_amount")
+ val challengeAmount: Amount,
+ @SerialName("target_iban")
+ val targetIban: String,
+ @SerialName("target_business_name")
+ val targetBusinessName: String,
+ @SerialName("wire_transfer_subject")
+ val wireTransferSubject: String,
+ @SerialName("answer_code")
+ val answerCode: Int,
+): ChallengeFeedback()
+
+@Serializable
+@SerialName("server-failure")
+class ChallengeFeedbackServerFailure(
+ // TODO: http_status
+ // TODO: error_response
+): ChallengeFeedback()
+
+@Serializable
+@SerialName("truth-unknown")
+class ChallengeFeedbackTruthUnknown: ChallengeFeedback()
+
+@Serializable
+@SerialName("taler-payment")
+class ChallengeFeedbackTalerPaymentRequired(
+ @SerialName("taler_pay_uri")
+ val talerPayUri: String,
+ val provider: String,
+ @SerialName("payment_secret")
+ val paymentSecret: String,
+): ChallengeFeedback() \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/models/RecoveryDocument.kt b/anastasis/src/main/java/net/taler/anastasis/models/RecoveryDocument.kt
new file mode 100644
index 0000000..c39acbe
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/models/RecoveryDocument.kt
@@ -0,0 +1,57 @@
+package net.taler.anastasis.models
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+enum class ChallengeType {
+ @SerialName("question")
+ Question,
+
+ @SerialName("sms")
+ Sms,
+
+ @SerialName("email")
+ Email,
+
+ @SerialName("post")
+ Post,
+
+ @SerialName("totp")
+ Totp,
+
+ @SerialName("iban")
+ Iban;
+}
+
+@Serializable
+data class RecoveryDocument(
+ @SerialName("secret_name")
+ val secretName: String? = null,
+ @SerialName("encrypted_core_secret")
+ val encryptedCoreSecret: String,
+ @SerialName("escrow_methods")
+ val escrowMethods: List<EscrowMethod>,
+ val policies: List<DecryptionPolicy>,
+)
+
+@Serializable
+data class DecryptionPolicy(
+ val salt: String,
+ @SerialName("master_key")
+ val masterKey: String,
+ val uuids: List<String>,
+)
+
+@Serializable
+data class EscrowMethod(
+ val url: String,
+ @SerialName("escrow_type")
+ val escrowType: ChallengeType,
+ // TODO: uuid
+ // TODO: truth_key
+ // TODO: question_salt
+ @SerialName("provider_salt")
+ val providerSalt: String,
+ val instructions: String,
+) \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/models/ReducerState.kt b/anastasis/src/main/java/net/taler/anastasis/models/ReducerState.kt
new file mode 100644
index 0000000..85494f0
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/models/ReducerState.kt
@@ -0,0 +1,395 @@
+package net.taler.anastasis.models
+
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonClassDiscriminator
+import net.taler.common.Amount
+import net.taler.common.Timestamp
+
+@OptIn(ExperimentalSerializationApi::class)
+@Serializable
+@JsonClassDiscriminator("reducer_type")
+abstract class ReducerState
+
+@Serializable
+data class ContinentInfo(
+ val name: String,
+)
+
+@Serializable
+data class CountryInfo(
+ val code: String,
+ val name: String,
+ val continent: String,
+)
+
+@Serializable
+data class Policy(
+ val methods: List<PolicyMethod>,
+) {
+ @Serializable
+ data class PolicyMethod(
+ @SerialName("authentication_method")
+ val authenticationMethod: Int,
+ val provider: String
+ )
+}
+
+@Serializable
+data class PolicyProvider(
+ @SerialName("provider_url")
+ val providerUrl: String,
+)
+
+@Serializable
+data class SuccessDetail(
+ @SerialName("policy_version")
+ val policyVersion: Int,
+ @SerialName("policy_expiration")
+ val policyExpiration: Timestamp,
+)
+
+@Serializable
+data class CoreSecret(
+ val mime: String,
+ val value: String,
+ val filename: String? = null,
+)
+
+@Serializable
+@SerialName("backup")
+data class ReducerStateBackup(
+ @SerialName("backup_state")
+ val backupState: BackupStates,
+ val continents: List<ContinentInfo>? = null,
+ val countries: List<CountryInfo>? = null,
+ @SerialName("identity_attributes")
+ val identityAttributes: Map<String, String>? = null,
+ @SerialName("authentication_providers")
+ val authenticationProviders: Map<String, AuthenticationProviderStatus>? = null,
+ @SerialName("authentication_methods")
+ val authenticationMethods: List<AuthMethod>? = null,
+ @SerialName("required_attributes")
+ val requiredAttributes: List<UserAttributeSpec>? = null,
+ @SerialName("selected_continent")
+ val selectedContinent: String? = null,
+ @SerialName("selected_country")
+ val selectedCountry: String? = null,
+ @SerialName("secret_name")
+ val secretName: String? = null,
+ val policies: List<Policy>? = null,
+ @SerialName("recovery_data")
+ val recoveryData: RecoveryData? = null,
+ @SerialName("policy_providers")
+ val policyProviders: List<PolicyProvider>? = null,
+ @SerialName("success_details")
+ val successDetails: Map<String, SuccessDetail>? = null,
+ val payments: List<String>? = null,
+ @SerialName("policy_payment_requests")
+ val policyPaymentRequests: List<PolicyPaymentRequest>? = null,
+ @SerialName("core_secret")
+ val coreSecret: CoreSecret? = null,
+ val expiration: Timestamp? = null,
+ @SerialName("upload_fees")
+ val uploadFees: List<UploadFee>? = null,
+ @SerialName("truth_upload_payment_secrets")
+ val truthUploadPaymentSecrets: Map<String, String>? = null,
+): ReducerState() {
+ @Serializable
+ data class RecoveryData(
+ @SerialName("truth_metadata")
+ val truthMetadata: Map<String, TruthMetaData>,
+ @SerialName("recovery_document")
+ val recoveryDocument: RecoveryDocument,
+ )
+
+ @Serializable
+ data class PolicyPaymentRequest(
+ val payto: String,
+ val provider: String,
+ )
+
+ @Serializable
+ data class UploadFee(
+ val fee: Amount,
+ )
+}
+
+@Serializable
+data class AuthMethod(
+ val type: String,
+ val instructions: String,
+ val challenge: String,
+ @SerialName("mime_type")
+ val mimeType: String? = null,
+)
+
+@Serializable
+data class ChallengeInfo(
+ val instructions: String,
+ val type: String,
+ val uuid: String,
+)
+
+@Serializable
+data class UserAttributeSpec(
+ val label: String,
+ val name: String,
+ val type: String,
+ val uuid: String,
+ val widget: String,
+ val optional: Boolean? = null,
+ @SerialName("validation-regex")
+ val validationRegex: String?,
+ @SerialName("validation-logic")
+ val validationLogic: String?,
+ val autocomplete: String? = null,
+)
+
+@Serializable
+data class RecoveryInternalData(
+ @SerialName("secret_name")
+ val secretName: String,
+ @SerialName("provider_url")
+ val providerUrl: String,
+ val version: Int,
+)
+
+@Serializable
+data class RecoveryInformation(
+ val challenges: List<ChallengeInfo>,
+ val policies: List<List<Policy>>,
+) {
+ @Serializable
+ data class Policy(
+ val uuid: String,
+ )
+}
+
+@Serializable
+@SerialName("recovery")
+data class ReducerStateRecovery(
+ val recoveryState: RecoveryStates,
+ @SerialName("identity_attributes")
+ val identityAttributes: Map<String, String>? = null,
+ val continents: List<ContinentInfo>? = null,
+ val countries: List<CountryInfo>? = null,
+ @SerialName("selected_continent")
+ val selectedContinent: String? = null,
+ @SerialName("selected_country")
+ val selectedCountry: String? = null,
+ @SerialName("required_attributes")
+ val requiredAttributes: List<UserAttributeSpec>? = null,
+ @SerialName("recovery_information")
+ val recoveryInformation: RecoveryInformation? = null,
+ @SerialName("recovery_document")
+ val recoveryDocument: RecoveryInternalData? = null,
+ @SerialName("verbatim_recovery_document")
+ val verbatimRecoveryDocument: RecoveryDocument? = null,
+ @SerialName("selected_challenge_uuid")
+ val selectedChallengeUuid: String? = null,
+ @SerialName("selected_version")
+ val selectedVersion: SelectedVersionInfo? = null,
+ @SerialName("challenge_feedback")
+ val challengeFeedback: Map<String, ChallengeFeedback>? = null,
+ // TODO: recovered_key_shares
+ val coreSecret: CoreSecret? = null,
+ @SerialName("authentication_providers")
+ val authenticationProviders: Map<String, AuthenticationProviderStatus>,
+): ReducerState()
+
+@Serializable
+data class TruthMetaData(
+ val uuid: String,
+ @SerialName("key_share")
+ val keyShare: String,
+ @SerialName("policy_index")
+ val policyIndex: Int,
+ @SerialName("pol_method_index")
+ val polMethodIndex: Int,
+ val nonce: String,
+ @SerialName("truth_key")
+ val truthKey: String,
+ @SerialName("master_salt")
+ val masterSalt: String,
+)
+
+@Serializable
+@SerialName("error")
+data class ReducerStateError(
+ val code: Int,
+ val hint: String? = null,
+ val detail: String? = null,
+): ReducerState()
+
+@Serializable
+enum class BackupStates {
+ @SerialName("CONTINENT_SELECTING")
+ ContinentSelecting,
+
+ @SerialName("COUNTRY_SELECTING")
+ CountrySelecting,
+
+ @SerialName("USER_ATTRIBUTES_COLLECTING")
+ UserAttributesCollecting,
+
+ @SerialName("AUTHENTICATIONS_EDITING")
+ AuthenticationsEditing,
+
+ @SerialName("POLICIES_REVIEWING")
+ PoliciesReviewing,
+
+ @SerialName("SECRET_EDITING")
+ SecretEditing,
+
+ @SerialName("TRUTHS_PAYING")
+ TruthsPaying,
+
+ @SerialName("POLICIES_PAYING")
+ PoliciesPaying,
+
+ @SerialName("BACKUP_FINISHED")
+ BackupFinished;
+}
+
+@Serializable
+enum class RecoveryStates {
+ @SerialName("CONTINENT_SELECTING")
+ ContinentSelecting,
+
+ @SerialName("COUNTRY_SELECTING")
+ CountrySelecting,
+
+ @SerialName("USER_ATTRIBUTES_COLLECTING")
+ UserAttributesCollecting,
+
+ @SerialName("SECRET_SELECTING")
+ SecretSelecting,
+
+ @SerialName("CHALLENGE_SELECTING")
+ ChallengeSelecting,
+
+ @SerialName("CHALLENGE_PAYING")
+ ChallengePaying,
+
+ @SerialName("CHALLENGE_SOLVING")
+ ChallengeSolving,
+
+ @SerialName("RECOVERY_FINISHED")
+ RecoveryFinished;
+}
+
+@Serializable
+data class MethodSpec(
+ val type: String,
+ @SerialName("usage_fee")
+ val usageFee: String,
+)
+
+@Serializable
+@SerialName("not-contacted")
+class AuthenticationProviderStatusNotContacted: AuthenticationProviderStatus()
+
+@Serializable
+@SerialName("ok")
+data class AuthenticationProviderStatusOk(
+ @SerialName("annual_fee")
+ val annualFee: String,
+ @SerialName("business_name")
+ val businessName: String,
+ val currency: String,
+ @SerialName("http_status")
+ val httpStatus: Int,
+ @SerialName("liability_limit")
+ val liabilityLimit: String,
+ @SerialName("provider_salt")
+ val providerSalt: String,
+ @SerialName("storage_limit_in_megabytes")
+ val storageLimitInMegabytes: Int,
+ @SerialName("truth_upload_fee")
+ val truthUploadFee: String,
+ val methods: List<MethodSpec>,
+): AuthenticationProviderStatus()
+
+@Serializable
+@SerialName("disabled")
+class AuthenticationProviderStatusDisabled: AuthenticationProviderStatus()
+
+@Serializable
+@SerialName("error")
+data class AuthenticationProviderStatusError(
+ @SerialName("http_status")
+ val httpStatus: Int? = null,
+ val code: Int,
+ val hint: String? = null,
+): AuthenticationProviderStatus()
+
+@OptIn(ExperimentalSerializationApi::class)
+@Serializable
+@JsonClassDiscriminator("status")
+abstract class AuthenticationProviderStatus()
+
+// TODO: ReducerStateBackupUserAttributesCollecting
+
+// TODO: ActionArgsEnterUserAttributes
+
+// TODO: ActionArgsAddProvider
+
+// TODO: ActionArgsDeleteProvider
+
+// TODO: ActionArgsAddAuthentication
+
+// TODO: ActionArgsDeleteAuthentication
+
+// TODO: ActionArgsDeletePolicy
+
+// TODO: ActionArgsEnterSecretName
+
+// TODO: ActionArgsEnterSecret
+
+// TODO: ActionArgsSelectContinent
+
+// TODO: ActionArgsSelectCountry
+
+// TODO: ActionArgsSelectChallenge
+
+// TODO: ActionArgsSolveChallengeRequest
+
+// TODO: SolveChallengeAnswerRequest
+
+// TODO: SolveChallengePinRequest
+
+// TODO: SolveChallengeHashRequest
+
+// TODO: PolicyMember
+
+// TODO: ActionArgsAddPolicy
+
+// TODO: ActionArgsUpdateExpiration
+
+// TODO: ActionArgsUpdateExpiration
+
+@Serializable
+data class SelectedVersionInfoProviders(
+ val url: String,
+ val version: Int,
+)
+
+@Serializable
+data class SelectedVersionInfo(
+ val attributeMask: Int,
+ val providers: SelectedVersionInfoProviders,
+)
+
+// TODO: ActionArgsChangeVersion
+
+// TODO: ActionArgsUpdatePolicy
+
+// TODO: DiscoveryCursor
+
+// TODO: PolicyMetaInfo
+
+// TODO: AggregatedPolicyMetaInfo
+
+// TODO: DiscoveryResult \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupContinentScreen.kt b/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupContinentScreen.kt
new file mode 100644
index 0000000..9638ba2
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupContinentScreen.kt
@@ -0,0 +1,76 @@
+package net.taler.anastasis.ui.backup
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.navigation.NavController
+import androidx.navigation.compose.rememberNavController
+import net.taler.anastasis.R
+import net.taler.anastasis.Routes
+import net.taler.anastasis.models.ContinentInfo
+import net.taler.anastasis.ui.reusable.components.Picker
+import net.taler.anastasis.ui.reusable.pages.WizardPage
+import net.taler.anastasis.ui.theme.LocalSpacing
+
+@Composable
+fun BackupContinentScreen(
+ navController: NavController,
+ continents: List<ContinentInfo>,
+ onSelectContinent: (continent: ContinentInfo) -> Unit,
+) {
+ WizardPage(
+ title = stringResource(R.string.backup_country_title),
+ navigationIcon = {
+ IconButton(onClick = {
+ navController.navigate(Routes.Home.route)
+ }) {
+ Icon(Icons.Default.ArrowBack, "back")
+ }
+ },
+ showPrev = false,
+ onNextClicked = {
+ navController.navigate(Routes.BackupCountry.route)
+ },
+ ) {
+ Column(
+ modifier = Modifier
+ .fillMaxSize()
+ .padding(LocalSpacing.current.medium),
+ verticalArrangement = Arrangement.Top,
+ ) {
+ Picker(
+ label = stringResource(R.string.continent),
+ options = continents.map { it.name }.toSet(),
+ onOptionChanged = { option ->
+ continents.find { it.name == option }?.let { continent ->
+ onSelectContinent(continent)
+ }
+ },
+ )
+ }
+ }
+}
+
+@Composable
+@Preview
+fun BackupContinentScreenPreview() {
+ val navController = rememberNavController()
+ BackupContinentScreen(
+ navController = navController,
+ continents = listOf(
+ ContinentInfo("Europe"),
+ ContinentInfo("India"),
+ ContinentInfo("Asia"),
+ ContinentInfo("North America")),
+ onSelectContinent = {},
+ )
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupCountryScreen.kt b/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupCountryScreen.kt
new file mode 100644
index 0000000..dfb974f
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupCountryScreen.kt
@@ -0,0 +1,77 @@
+package net.taler.anastasis.ui.backup
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.navigation.NavController
+import androidx.navigation.compose.rememberNavController
+import net.taler.anastasis.R
+import net.taler.anastasis.Routes
+import net.taler.anastasis.models.CountryInfo
+import net.taler.anastasis.ui.reusable.components.Picker
+import net.taler.anastasis.ui.reusable.pages.WizardPage
+import net.taler.anastasis.ui.theme.LocalSpacing
+
+@Composable
+fun BackupCountryScreen(
+ navController: NavController,
+ countries: List<CountryInfo>,
+ onSelectCountry: (country: CountryInfo) -> Unit,
+) {
+ WizardPage(
+ title = stringResource(R.string.backup_country_title),
+ navigationIcon = {
+ IconButton(onClick = {
+ navController.navigate(Routes.Home.route)
+ }) {
+ Icon(Icons.Default.ArrowBack, "back")
+ }
+ },
+ onPrevClicked = {
+ navController.navigate(Routes.BackupContinent.route)
+ },
+ onNextClicked = {
+ navController.navigate(Routes.BackupUserAttributes.route)
+ },
+ ) {
+ Column(
+ modifier = Modifier
+ .fillMaxSize()
+ .padding(LocalSpacing.current.medium),
+ verticalArrangement = Arrangement.Top,
+ ) {
+ Picker(
+ label = stringResource(R.string.country),
+ options = countries.map { it.name }.toSet(),
+ onOptionChanged = { option ->
+ countries.find { it.name == option }?.let { country ->
+ onSelectCountry(country)
+ }
+ },
+ )
+ }
+ }
+}
+
+@Composable
+@Preview
+fun BackupCountryScreenPreview() {
+ val navController = rememberNavController()
+ BackupCountryScreen(
+ navController = navController,
+ countries = listOf(
+ CountryInfo("ch", "Switzerland", "Europe"),
+ CountryInfo("de", "Germany", "Europe"),
+ ),
+ onSelectCountry = {},
+ )
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupUserAttributesScreen.kt b/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupUserAttributesScreen.kt
new file mode 100644
index 0000000..bbd0147
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/backup/BackupUserAttributesScreen.kt
@@ -0,0 +1,141 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.anastasis.ui.backup
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateMapOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.navigation.NavController
+import androidx.navigation.compose.rememberNavController
+import net.taler.anastasis.R
+import net.taler.anastasis.Routes
+import net.taler.anastasis.models.UserAttributeSpec
+import net.taler.anastasis.ui.reusable.components.DatePickerField
+import net.taler.anastasis.ui.reusable.pages.WizardPage
+import net.taler.anastasis.ui.theme.LocalSpacing
+import java.util.Calendar
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun BackupUserAttributesScreen(
+ navController: NavController,
+ userAttributes: List<UserAttributeSpec>,
+) {
+ val values = remember { mutableStateMapOf<String, String>() }
+
+ WizardPage(
+ title = stringResource(R.string.backup_user_attributes_title),
+ navigationIcon = {
+ IconButton(onClick = {
+ navController.navigate(Routes.Home.route)
+ }) {
+ Icon(Icons.Default.ArrowBack, "back")
+ }
+ },
+ onPrevClicked = {
+ navController.navigate(Routes.BackupCountry.route)
+ },
+ onNextClicked = {},
+ ) {
+ LazyColumn(
+ modifier = Modifier
+ .fillMaxSize()
+ .padding(LocalSpacing.current.medium),
+ verticalArrangement = Arrangement.Top,
+ ) {
+ items(items = userAttributes) { attr ->
+ when (attr.type) {
+ "string" -> OutlinedTextField(
+ modifier = Modifier.fillMaxWidth(),
+ value = values[attr.uuid] ?: "",
+ onValueChange = { values[attr.uuid] = it },
+ label = { Text(attr.label) },
+ )
+ "date" -> @Composable {
+ val cal = Calendar.getInstance()
+ var yy by remember { mutableStateOf(cal.get(Calendar.YEAR)) }
+ var mm by remember { mutableStateOf(cal.get(Calendar.MONTH)) }
+ var dd by remember { mutableStateOf(cal.get(Calendar.DAY_OF_MONTH)) }
+ DatePickerField(
+ modifier = Modifier.fillMaxWidth(),
+ label = attr.label,
+ yy = yy,
+ mm = mm,
+ dd = dd,
+ onDateSelected = { y, m, d ->
+ yy = y
+ mm = m
+ dd = d
+ },
+ )
+ }
+ }
+ Spacer(Modifier.height(LocalSpacing.current.small))
+ }
+ }
+ }
+}
+
+@Preview
+@Composable
+fun BackupUserAttributesScreenPreview() {
+ val navController = rememberNavController()
+ BackupUserAttributesScreen(
+ navController = navController,
+ userAttributes = listOf(
+ UserAttributeSpec(
+ type = "string",
+ name = "full_name",
+ label = "Full name",
+ widget = "anastasis_gtk_ia_full_name",
+ uuid = "9e8f463f-575f-42cb-85f3-759559997331",
+ validationLogic = null,
+ validationRegex = null,
+ ),
+ UserAttributeSpec(
+ type = "date",
+ name = "birthdate",
+ label = "Birthdate",
+ uuid = "83d655c7-bdb6-484d-904e-80c1058c8854",
+ widget = "anastasis_gtk_ia_birthdate",
+ validationLogic = null,
+ validationRegex = null,
+ ),
+ ),
+ )
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/home/HomeScreen.kt b/anastasis/src/main/java/net/taler/anastasis/ui/home/HomeScreen.kt
new file mode 100644
index 0000000..98a70b4
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/home/HomeScreen.kt
@@ -0,0 +1,94 @@
+package net.taler.anastasis.ui.home
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Download
+import androidx.compose.material.icons.outlined.Restore
+import androidx.compose.material.icons.outlined.Upload
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.LargeTopAppBar
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import androidx.navigation.compose.rememberNavController
+import net.taler.anastasis.R
+import net.taler.anastasis.Routes
+import net.taler.anastasis.ui.reusable.components.ActionCard
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun HomeScreen(
+ navController: NavController,
+) {
+ Scaffold(
+ topBar = {
+ LargeTopAppBar(
+ title = {
+ Text(stringResource(R.string.home_title))
+ },
+ )
+ }
+ ) {
+ Column(
+ modifier = Modifier
+ .padding(it)
+ .padding(16.dp),
+ verticalArrangement = Arrangement.SpaceEvenly,
+ ) {
+ // Backup
+ ActionCard(
+ modifier = Modifier
+ .weight(1f)
+ .padding(bottom = 8.dp)
+ .fillMaxWidth(),
+ icon = { Icon(Icons.Outlined.Upload, null) },
+ headline = stringResource(R.string.backup_secret),
+ onClick = {
+ navController.navigate(Routes.BackupContinent.route)
+ },
+ )
+
+ // Recovery
+ ActionCard(
+ modifier = Modifier
+ .weight(1f)
+ .padding(bottom = 8.dp)
+ .fillMaxWidth(),
+ icon = { Icon(Icons.Outlined.Download, null) },
+ headline = stringResource(R.string.recover_secret),
+ onClick = {
+ navController.navigate(Routes.RecoveryCountry.route)
+ },
+ )
+
+ // Restore session
+ ActionCard(
+ modifier = Modifier
+ .weight(1f)
+ .padding(bottom = 8.dp)
+ .fillMaxWidth(),
+ icon = { Icon(Icons.Outlined.Restore, null) },
+ headline = stringResource(R.string.restore_session),
+ onClick = {
+ navController.navigate(Routes.RestoreInit.route)
+ },
+ )
+ }
+ }
+}
+
+@Composable
+@Preview
+fun HomeScreenPreview() {
+ val navController = rememberNavController()
+ HomeScreen(navController = navController)
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/ActionCard.kt b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/ActionCard.kt
new file mode 100644
index 0000000..72d3cbb
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/ActionCard.kt
@@ -0,0 +1,73 @@
+package net.taler.anastasis.ui.reusable.components
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.KeyboardArrowUp
+import androidx.compose.material3.ElevatedCard
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ActionCard(
+ modifier: Modifier = Modifier,
+ icon: (@Composable () -> Unit)? = null,
+ headline: String,
+ subhead: String? = null,
+ body: String? = null,
+ onClick: () -> Unit,
+) {
+ ElevatedCard(
+ modifier = modifier,
+ onClick = onClick,
+
+ ) {
+ Column(modifier = Modifier.padding(16.dp)) {
+ Row(verticalAlignment = Alignment.CenterVertically) {
+ if (icon != null) {
+ icon()
+ Spacer(modifier = Modifier.width(12.dp))
+ }
+ Text(headline, style = MaterialTheme.typography.titleLarge)
+ }
+ subhead?.let {
+ Text(
+ text = it,
+ style = MaterialTheme.typography.bodyLarge,
+ modifier = Modifier.padding(top = 5.dp)
+ )
+ }
+ body?.let {
+ Text(
+ text = it,
+ style = MaterialTheme.typography.bodySmall,
+ modifier = Modifier.padding(top = 5.dp)
+ )
+ }
+ }
+ }
+}
+
+@Composable
+@Preview
+fun ActionCardPreview() {
+ ActionCard(
+ modifier = Modifier.fillMaxWidth(),
+ icon = { Icon(Icons.Default.KeyboardArrowUp, "arrowUp") },
+ headline = "Headline",
+ subhead = "Subhead",
+ body = "Supporting text",
+ ) {}
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DatePickerField.kt b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DatePickerField.kt
new file mode 100644
index 0000000..545d5b1
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DatePickerField.kt
@@ -0,0 +1,109 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.anastasis.ui.reusable.components
+
+import android.app.DatePickerDialog
+import android.widget.DatePicker
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Edit
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.LocalTextStyle
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+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.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.tooling.preview.Preview
+import kotlinx.datetime.LocalDate
+import net.taler.anastasis.Utils
+import net.taler.anastasis.ui.theme.LocalSpacing
+import java.util.Calendar
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun DatePickerField(
+ modifier: Modifier = Modifier,
+ label: String,
+ yy: Int,
+ mm: Int,
+ dd: Int,
+ onDateSelected: (yy: Int, mm: Int, dd: Int) -> Unit,
+) {
+ val dialog = DatePickerDialog(
+ LocalContext.current,
+ { _: DatePicker, y: Int, m: Int, d: Int ->
+ onDateSelected(y, m, d)
+ }, yy, mm, dd,
+ )
+
+ OutlinedTextField(
+ modifier = modifier,
+ value = Utils.formatDate(LocalDate(yy, mm, dd)),
+ label = { Text(label) },
+ onValueChange = { },
+ trailingIcon = {
+ Button(
+ modifier = Modifier.padding(end = LocalSpacing.current.medium),
+ onClick = { dialog.show() },
+ ) {
+ Icon(
+ Icons.Default.Edit,
+ contentDescription = null,
+ modifier = Modifier.size(ButtonDefaults.IconSize),
+ )
+ }
+ },
+ textStyle = LocalTextStyle.current.copy( // show text as if not disabled
+ color = MaterialTheme.colorScheme.onSurfaceVariant
+ ),
+ enabled = false,
+ readOnly = true,
+ )
+}
+
+@Preview
+@Composable
+fun DatePickerFieldPreview() {
+ val cal = Calendar.getInstance()
+ var yy by remember { mutableStateOf(cal.get(Calendar.YEAR)) }
+ var mm by remember { mutableStateOf(cal.get(Calendar.MONTH)) }
+ var dd by remember { mutableStateOf(cal.get(Calendar.DAY_OF_MONTH)) }
+ Surface {
+ DatePickerField(
+ label = "Birthdate",
+ yy = yy,
+ mm = mm,
+ dd = dd,
+ onDateSelected = { y, m, d ->
+ yy = y
+ mm = m
+ dd = d
+ },
+ )
+ }
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DropdownTextField.kt b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DropdownTextField.kt
new file mode 100644
index 0000000..0fe727a
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/DropdownTextField.kt
@@ -0,0 +1,129 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.anastasis.ui.reusable.components
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+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.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.geometry.Size
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.toSize
+import androidx.compose.ui.window.PopupProperties
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun DropdownTextField(
+ modifier: Modifier = Modifier,
+ label: String,
+ options: Set<String>,
+ onOptionChanged: (String) -> Unit,
+) {
+ var filteredOptions by remember { mutableStateOf(options.toList()) }
+ var inputValue by remember { mutableStateOf(options.first()) }
+ var expanded by remember { mutableStateOf(false) }
+ var size by remember { mutableStateOf(Size.Zero) }
+ val focusRequester = remember { FocusRequester() }
+
+ Box(
+ modifier = Modifier
+ .wrapContentSize(Alignment.Center)
+ .focusRequester(focusRequester),
+ ) {
+ OutlinedTextField(
+ modifier = modifier
+ .onGloballyPositioned { coordinates ->
+ size = coordinates.size.toSize()
+ },
+ value = inputValue,
+ onValueChange = { value ->
+ inputValue = value
+ expanded = true
+ filteredOptions = options.filter { it.contains(value) }
+ },
+ singleLine = true,
+ label = { Text(label) },
+ trailingIcon = {
+ Box(modifier = Modifier.clickable { expanded = !expanded }) {
+ ExposedDropdownMenuDefaults.TrailingIcon(
+ expanded = expanded,
+ )
+ }
+ },
+ colors = ExposedDropdownMenuDefaults.textFieldColors()
+ )
+
+ if (filteredOptions.isNotEmpty()) {
+ DropdownMenu(
+ expanded = expanded,
+ onDismissRequest = {
+ expanded = false
+ },
+ /*
+ * TODO: we should NOT disable focus, but this will be necessary
+ * until Google fixes ExposedDropdownMenuBox focus crash.
+ */
+ properties = PopupProperties(focusable = false),
+ modifier = Modifier
+ .width(with(LocalDensity.current) { size.width.toDp() }),
+ ) {
+ filteredOptions.forEach { s ->
+ DropdownMenuItem(
+ text = {
+ Text(text = s)
+ },
+ onClick = {
+ inputValue = s
+ expanded = false
+ onOptionChanged(s)
+ }
+ )
+ }
+ }
+ }
+ }
+}
+
+@Preview
+@Composable
+fun DropdownTextFieldComposable() {
+ Surface {
+ DropdownTextField(
+ label = "Continent",
+ options = setOf("Europe", "India", "Asia", "North America"),
+ onOptionChanged = {},
+ )
+ }
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/Picker.kt b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/Picker.kt
new file mode 100644
index 0000000..4c649a6
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/components/Picker.kt
@@ -0,0 +1,99 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.anastasis.ui.reusable.components
+
+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.wrapContentSize
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+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.ExperimentalComposeUiApi
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalSoftwareKeyboardController
+import androidx.compose.ui.tooling.preview.Preview
+import net.taler.anastasis.ui.theme.LocalSpacing
+
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalComposeUiApi::class)
+@Composable
+fun Picker(
+ modifier: Modifier = Modifier,
+ label: String,
+ options: Set<String>,
+ onOptionChanged: (String) -> Unit,
+) {
+ var filteredOptions by remember { mutableStateOf(options.toList()) }
+ var inputValue by remember { mutableStateOf(options.first()) }
+ val keyboardController = LocalSoftwareKeyboardController.current
+
+ Column(
+ modifier = modifier
+ .wrapContentSize(Alignment.Center)
+ ) {
+ OutlinedTextField(
+ modifier = Modifier.fillMaxWidth(),
+ value = inputValue,
+ onValueChange = { value ->
+ inputValue = value
+ filteredOptions = options.filter { it.contains(value) }
+ },
+ singleLine = true,
+ label = { Text(label) },
+ colors = ExposedDropdownMenuDefaults.textFieldColors()
+ )
+
+ if (filteredOptions.isNotEmpty()) {
+ Spacer(Modifier.height(LocalSpacing.current.medium))
+ LazyColumn(
+ modifier = Modifier.fillMaxWidth()
+ ) {
+ items(items = filteredOptions) {
+ DropdownMenuItem(
+ text = { Text(it) },
+ onClick = {
+ inputValue = it
+ keyboardController?.hide()
+ onOptionChanged(it)
+ },
+ )
+ }
+ }
+ }
+ }
+}
+
+@Preview
+@Composable
+fun PickerPreview() {
+ Picker(
+ label = "Country",
+ options = setOf("Europe", "India", "Asia", "North America"),
+ onOptionChanged = {},
+ )
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/reusable/pages/WizardPage.kt b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/pages/WizardPage.kt
new file mode 100644
index 0000000..77b467a
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/reusable/pages/WizardPage.kt
@@ -0,0 +1,117 @@
+package net.taler.anastasis.ui.reusable.pages
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+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.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.NavigateBefore
+import androidx.compose.material.icons.filled.NavigateNext
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Divider
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.LargeTopAppBar
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun WizardPage(
+ modifier: Modifier = Modifier,
+ title: String,
+ navigationIcon: @Composable () -> Unit = {},
+ showNext: Boolean = true,
+ showPrev: Boolean = true,
+ onNextClicked: () -> Unit = {},
+ onPrevClicked: () -> Unit = {},
+ content: @Composable () -> Unit,
+) {
+ Scaffold(
+ topBar = {
+ LargeTopAppBar(
+ title = { Text(title) },
+ navigationIcon = navigationIcon,
+ )
+ },
+ ) {
+ Column(
+ modifier = modifier.padding(it),
+ ) {
+ Box(modifier = Modifier
+ .weight(1f)
+ .fillMaxWidth()) {
+ content()
+ }
+ Divider()
+ Row(
+ modifier = Modifier.padding(16.dp),
+ horizontalArrangement = Arrangement.SpaceBetween,
+ ) {
+ if (showPrev) {
+ TextButton(
+ onClick = onPrevClicked,
+ ) {
+ Icon(
+ Icons.Default.NavigateBefore,
+ contentDescription = null,
+ modifier = Modifier.size(ButtonDefaults.IconSize),
+ )
+ Spacer(Modifier.size(ButtonDefaults.IconSpacing))
+ Text("Previous")
+ }
+ }
+
+ Spacer(modifier = Modifier.weight(1f))
+
+ if (showNext) {
+ Button(
+ onClick = onNextClicked,
+ ) {
+ Text("Next")
+ Spacer(Modifier.size(ButtonDefaults.IconSpacing))
+ Icon(
+ Icons.Default.NavigateNext,
+ contentDescription = null,
+ modifier = Modifier.size(ButtonDefaults.IconSize),
+ )
+ }
+ }
+ }
+ }
+ }
+}
+
+@Composable
+@Preview
+fun WizardPagePreview() {
+ WizardPage(
+ title = "Title",
+ navigationIcon = {
+ IconButton(onClick = {}) {
+ Icon(Icons.Default.ArrowBack, null)
+ }
+ },
+ ) {
+ Box (
+ modifier = Modifier.fillMaxSize(),
+ contentAlignment = Alignment.Center,
+ ) {
+ Text("This is a wizard page")
+ }
+ }
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/theme/Color.kt b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Color.kt
new file mode 100644
index 0000000..3560f1b
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Color.kt
@@ -0,0 +1,11 @@
+package net.taler.anastasis.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260) \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/theme/Spacing.kt b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Spacing.kt
new file mode 100644
index 0000000..8cffbba
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Spacing.kt
@@ -0,0 +1,32 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.anastasis.ui.theme
+
+import androidx.compose.runtime.compositionLocalOf
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+
+data class Spacing(
+ val default: Dp = 0.dp,
+ val extraSmall: Dp = 4.dp,
+ val small: Dp = 8.dp,
+ val medium: Dp = 16.dp,
+ val large: Dp = 32.dp,
+ val extraLarge: Dp = 64.dp,
+)
+
+val LocalSpacing = compositionLocalOf { Spacing() } \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/theme/Theme.kt b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Theme.kt
new file mode 100644
index 0000000..2c69746
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Theme.kt
@@ -0,0 +1,73 @@
+package net.taler.anastasis.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+ primary = Purple80,
+ secondary = PurpleGrey80,
+ tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+ primary = Purple40,
+ secondary = PurpleGrey40,
+ tertiary = Pink40
+
+ /* Other default colors to override
+ background = Color(0xFFFFFBFE),
+ surface = Color(0xFFFFFBFE),
+ onPrimary = Color.White,
+ onSecondary = Color.White,
+ onTertiary = Color.White,
+ onBackground = Color(0xFF1C1B1F),
+ onSurface = Color(0xFF1C1B1F),
+ */
+)
+
+@Composable
+fun AnastasisTheme(
+ darkTheme: Boolean = isSystemInDarkTheme(),
+ // Dynamic color is available on Android 12+
+ dynamicColor: Boolean = true,
+ content: @Composable () -> Unit
+) {
+ val colorScheme = when {
+ dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+ val context = LocalContext.current
+ if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+ }
+
+ darkTheme -> DarkColorScheme
+ else -> LightColorScheme
+ }
+ val view = LocalView.current
+ if (!view.isInEditMode) {
+ SideEffect {
+ val window = (view.context as Activity).window
+ window.statusBarColor = colorScheme.primary.toArgb()
+ WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+ }
+ }
+
+ CompositionLocalProvider(LocalSpacing provides Spacing()) {
+ MaterialTheme(
+ colorScheme = colorScheme,
+ typography = Typography,
+ content = content
+ )
+ }
+} \ No newline at end of file
diff --git a/anastasis/src/main/java/net/taler/anastasis/ui/theme/Type.kt b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Type.kt
new file mode 100644
index 0000000..8fac184
--- /dev/null
+++ b/anastasis/src/main/java/net/taler/anastasis/ui/theme/Type.kt
@@ -0,0 +1,34 @@
+package net.taler.anastasis.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+ bodyLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 16.sp,
+ lineHeight = 24.sp,
+ letterSpacing = 0.5.sp
+ )
+ /* Other default text styles to override
+ titleLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 22.sp,
+ lineHeight = 28.sp,
+ letterSpacing = 0.sp
+ ),
+ labelSmall = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Medium,
+ fontSize = 11.sp,
+ lineHeight = 16.sp,
+ letterSpacing = 0.5.sp
+ )
+ */
+) \ No newline at end of file