Implemented reading QR coding and if it is a EPC QR code navigating to TransferMoneyDialog

build.gradle

@@ -55,6 +55,8 @@ ext {
 
     autocompleteVersion = "1.1.0"
 
+    zxingVersion = "3.3.0"
+
     multiDexVersion = "2.0.1"
 
     appCompatVersion = "1.1.0"
@@ -149,6 +151,7 @@ task jarAll {
             "fints4k:jvm6Jar",
             "fints4k-jvm:jar",
             "BankFinder:jvmJar",
+            "EpcQrCodeParser:jvmJar",
             "BankingUiCommon:jvmJar",
             "fints4kBankingClient:jvmJar",
             "BankingUiCommon:jvmJar",
@@ -162,6 +165,7 @@ task packAllForXcode {
             "common:packForXcode",
             "fints4k:packForXcode",
             "BankFinder:packForXcode",
+            "EpcQrCodeParser:packForXcode",
             "BankingUiCommon:packForXcode",
             "fints4kBankingClient:packForXcode",
             "BankingUiNativeIntegration:packForXcode"

ui/BankingAndroidApp/build.gradle

@@ -106,6 +106,9 @@ dependencies {
 
     implementation "com.otaliastudios:autocomplete:$autocompleteVersion"
 
+    implementation("com.journeyapps:zxing-android-embedded:4.1.0") { transitive = false } // transitive to use older Zxing version as ZXing 3.4.0 requires Android > 23
+    implementation "com.google.zxing:core:$zxingVersion"
+
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlinCoroutinesVersion"
 

ui/BankingAndroidApp/src/main/AndroidManifest.xml

@@ -1,12 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest
-        package="net.dankito.banking.ui.android">
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="net.dankito.banking.ui.android"
+    >
 
     <uses-permission android:name="android.permission.INTERNET" />
 
     <uses-permission android:name="android.permission.USE_FINGERPRINT" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
 
+    <!-- Both are required for ZXing -->
+    <uses-permission android:name="android.permission.CAMERA" />
+
+    <uses-sdk tools:overrideLibrary="com.google.zxing.client.android" />
+
 
     <application
         android:name="net.dankito.banking.ui.android.BankingApp"
@@ -15,7 +23,9 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:hardwareAccelerated="true"
+        android:theme="@style/AppTheme"
+        >
 
         <activity
             android:name=".activities.LandingActivity"

ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/MainActivity.kt

@@ -1,16 +1,27 @@
 package net.dankito.banking.ui.android
 
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
 import android.view.Menu
 import android.view.MotionEvent
 import androidx.appcompat.app.ActionBarDrawerToggle
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.Toolbar
+import androidx.core.os.postDelayed
 import androidx.drawerlayout.widget.DrawerLayout
 import com.github.clans.fab.FloatingActionMenu
+import com.google.zxing.integration.android.IntentIntegrator
+import com.google.zxing.integration.android.IntentResult
 import kotlinx.android.synthetic.main.activity_main.*
+import net.codinux.banking.tools.epcqrcode.ParseEpcQrCodeResult
+import net.dankito.banking.ui.android.activities.BaseActivity
 import net.dankito.banking.ui.android.di.BankingComponent
 import net.dankito.banking.ui.android.di.BankingModule
-import net.dankito.banking.ui.android.activities.BaseActivity
 import net.dankito.banking.ui.android.views.DrawerView
 import net.dankito.banking.ui.android.views.MainActivityFloatingActionMenuButton
 import net.dankito.banking.ui.presenter.BankingPresenter
@@ -87,6 +98,48 @@ class MainActivity : BaseActivity() {
     }
 
 
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        permissionsService.onRequestPermissionsResult(requestCode, permissions, grantResults)
+
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        val scanQrCodeResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data)
+
+        if (scanQrCodeResult != null) {
+            // at this point camera activity is still displayed and not returned yet to MainActivity -> app would crash if we don't wait
+            Handler(Looper.getMainLooper()).postDelayed(250) {
+                handleQrCodeScanResult(scanQrCodeResult)
+            }
+        }
+        else {
+            super.onActivityResult(requestCode, resultCode, data)
+        }
+    }
+
+    private fun handleQrCodeScanResult(scanQrCodeResult: IntentResult) {
+        scanQrCodeResult.contents?.let { decodedQrCode ->
+            val result = presenter.showTransferMoneyDialogWithDataFromQrCode(decodedQrCode)
+
+            if (result.successful == false) {
+                showParseQrCodeError(result)
+            }
+        }
+    }
+
+    protected fun showParseQrCodeError(result: ParseEpcQrCodeResult) {
+        // TODO: show localized error message that matches ParseEpcQrCodeResultCode
+        val errorMessage = getString(R.string.money_transfer_from_scanning_qr_code_error, result.error, result.decodedQrCode)
+
+        AlertDialog.Builder(this)
+            .setMessage(errorMessage)
+            .setPositiveButton(android.R.string.ok) { dialog, _ -> dialog.dismiss() }
+            .show()
+    }
+
+
     override fun dispatchTouchEvent(event: MotionEvent): Boolean {
         if(floatingActionMenuButton.handlesTouch(event)) { // close menu when menu is opened and touch is outside floatingActionMenuButton
             return true

ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/views/MainActivityFloatingActionMenuButton.kt

@@ -1,11 +1,13 @@
 package net.dankito.banking.ui.android.views
 
+import android.Manifest
 import android.content.Context
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.FragmentActivity
 import com.github.clans.fab.FloatingActionButton
 import com.github.clans.fab.FloatingActionMenu
+import com.google.zxing.integration.android.IntentIntegrator
 import kotlinx.android.synthetic.main.view_floating_action_button_main.view.*
 import net.dankito.utils.multiplatform.toFile
 import net.dankito.banking.ui.android.R
@@ -27,6 +29,8 @@ open class MainActivityFloatingActionMenuButton(
 
     protected lateinit var fabTransferMoney: FloatingActionButton
 
+    protected lateinit var fabMoneyTransferFromScanningQrCode: FloatingActionButton
+
     protected lateinit var fabTransferMoneyFromPdf: FloatingActionButton
 
     protected var lastSelectedFolder: File? = null
@@ -51,14 +55,19 @@ open class MainActivityFloatingActionMenuButton(
             }
 
             fabTransferMoney = floatingActionMenu.fabTransferMoney
+            fabMoneyTransferFromScanningQrCode = floatingActionMenu.fabMoneyTransferFromScanningQrCode
             fabTransferMoneyFromPdf = floatingActionMenu.fabTransferMoneyFromPdf
 
             fabTransferMoney.setOnClickListener {
                 executeAndCloseMenu { presenter.showTransferMoneyDialog() }
             }
 
+            fabMoneyTransferFromScanningQrCode.setOnClickListener {
+                executeAndCloseMenu { scanQrCode() }
+            }
+
             fabTransferMoneyFromPdf.setOnClickListener {
-                executeAndCloseMenu { transferMoneyWithDataFromPdf() }
+                executeAndCloseMenu { showTransferMoneyDialogWithDataFromPdf() }
             }
         }
     }
@@ -67,11 +76,27 @@ open class MainActivityFloatingActionMenuButton(
     protected open fun checkIfThereAreAccountsThatCanTransferMoney() {
         fabTransferMoney.isEnabled = presenter.hasAccountsSupportTransferringMoney
 
+        fabMoneyTransferFromScanningQrCode.isEnabled = presenter.hasAccountsSupportTransferringMoney
+
         fabTransferMoneyFromPdf.isEnabled = presenter.hasAccountsSupportTransferringMoney
     }
 
 
-    protected open fun transferMoneyWithDataFromPdf() {
+    protected open fun scanQrCode() {
+        permissionsService.checkPermission(Manifest.permission.CAMERA, R.string.rationale_camera_permission_to_scan_qr_code) { _, isGranted ->
+            if (isGranted) {
+                floatingActionMenu.context.asActivity()?.let { activity ->
+                    val intentIntegrator = IntentIntegrator(activity)
+                    intentIntegrator.setOrientationLocked(false)
+                    intentIntegrator.initiateScan(listOf(IntentIntegrator.QR_CODE))
+
+                    // parsing decoded QR-code and showing TransferMoneyDialog is done in MainActivity.handleQrCodeScanResult()
+                }
+            }
+        }
+    }
+
+    protected open fun showTransferMoneyDialogWithDataFromPdf() {
         (floatingActionMenu.context.asActivity() as? FragmentActivity)?.let { activity ->
             val config = FileChooserDialogConfig(listOf("*.pdf"), lastSelectedFolder)
 
@@ -79,17 +104,17 @@ open class MainActivityFloatingActionMenuButton(
                 selectedFile?.let {
                     lastSelectedFolder = selectedFile.parentFile
 
-                    val result = presenter.transferMoneyWithDataFromPdf(selectedFile.toFile())
+                    val result = presenter.showTransferMoneyDialogWithDataFromPdf(selectedFile.toFile())
 
                     if (result.type != ExtractTransferMoneyDataFromPdfResultType.Success) {
-                        showTransferMoneyWithDataFromPdfError(activity, selectedFile, result)
+                        showTransferMoneyDialogWithDataFromPdfError(activity, selectedFile, result)
                     }
                 }
             }
         }
     }
 
-    protected open fun showTransferMoneyWithDataFromPdfError(context: Context, pdfFile: File, result: ExtractTransferMoneyDataFromPdfResult) {
+    protected open fun showTransferMoneyDialogWithDataFromPdfError(context: Context, pdfFile: File, result: ExtractTransferMoneyDataFromPdfResult) {
         val errorMessage = when (result.type) {
             ExtractTransferMoneyDataFromPdfResultType.NotASearchablePdf ->
                 context.getString(R.string.transfer_money_from_pdf_error_message_not_a_searchable_pdf, pdfFile.absolutePath)

ui/BankingAndroidApp/src/main/res/layout/view_floating_action_button_main.xml

@@ -25,6 +25,14 @@
         fab:fab_label="@string/floating_action_menu_transfer_money_from_pdf"
         />
 
+    <com.github.clans.fab.FloatingActionButton
+        android:id="@+id/fabMoneyTransferFromScanningQrCode"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        style="@style/MenuButtonsStyle"
+        fab:fab_label="@string/floating_action_menu_money_transfer_from_scanning_qr_code"
+        />
+
     <com.github.clans.fab.FloatingActionButton
         android:id="@+id/fabTransferMoney"
         android:layout_width="wrap_content"

ui/BankingAndroidApp/src/main/res/values-de/strings.xml

@@ -63,8 +63,11 @@
 
     <string name="floating_action_menu_add_account">Konto</string>
     <string name="floating_action_menu_transfer_money">Überweisung</string>
+    <string name="floating_action_menu_money_transfer_from_scanning_qr_code">Überweisung aus QR-Code</string>
     <string name="floating_action_menu_transfer_money_from_pdf">Überweisung aus PDF</string>
 
+    <string name="rationale_camera_permission_to_scan_qr_code">Um QR-Codes scannen zu können wird der Zugriff auf die Kamera benötigt.</string>
+
     <string name="menu_home">Umsätze</string>
 
     <string name="menu_main_update_transactions">Umsätze aktualisieren</string>
@@ -107,6 +110,8 @@
     <string name="dialog_transfer_money_message_transfer_successful">%1$s %2$s wurden erfolgreich an %3$s überwiesen.</string>
     <string name="dialog_transfer_money_message_transfer_failed">Konnte nicht %1$s %2$s an %3$s überweisen.\n\nFehlermeldung Ihrer Bank:\n\n%4$s</string>
 
+    <string name="money_transfer_from_scanning_qr_code_error">Überweisungsdaten konnten nicht aus QR-Code gelesen werden: %1$s\n\Gelesener QR-Code ist:\n%2$s</string>
+
     <string name="transfer_money_from_pdf_error_message_not_a_searchable_pdf">Konnte Text nicht aus Datei "%1$s" extrahieren. Enthält die Datei auch Text oder nur Bilder?</string>
     <string name="transfer_money_from_pdf_error_message_could_not_extract_text">Text konnte nicht aus Datei "%1$s" extrahiert werden:\n\n%2$s</string>
     <string name="transfer_money_from_pdf_error_message_could_not_extract_invoice_data">Überweisungsdaten konnten aus der Datei "%1$s" nicht ausgelesen werden:\n\n%2$s</string>

ui/BankingAndroidApp/src/main/res/values/strings.xml

@@ -63,8 +63,11 @@
 
     <string name="floating_action_menu_add_account">Account</string>
     <string name="floating_action_menu_transfer_money">Transfer money</string>
+    <string name="floating_action_menu_money_transfer_from_scanning_qr_code">Money transfer from scanning QR-Code</string>
     <string name="floating_action_menu_transfer_money_from_pdf">Transfer money from PDF</string>
 
+    <string name="rationale_camera_permission_to_scan_qr_code">To scan QR-Codes permission to access camera is required.</string>
+
     <string name="menu_home">Home</string>
 
     <string name="menu_main_update_transactions">Update transactions</string>
@@ -107,6 +110,8 @@
     <string name="dialog_transfer_money_message_transfer_successful">Successfully transferred %1$s %2$s to %3$s.</string>
     <string name="dialog_transfer_money_message_transfer_failed">Could not transfer %1$s %2$s to %3$s.\n\nError message from your bank:\n\n%4$s</string>
 
+    <string name="money_transfer_from_scanning_qr_code_error">Could not extract transfer data from QR-Code: %1$s\n\nExtracted QR-Code was:\n%2$s</string>
+
     <string name="transfer_money_from_pdf_error_message_not_a_searchable_pdf">File "%1$s" is not a searchable PDF. Could therefore not extract text from it.</string>
     <string name="transfer_money_from_pdf_error_message_could_not_extract_text">Could not extract text from file "%1$s":\n\n%2$s</string>
     <string name="transfer_money_from_pdf_error_message_could_not_extract_invoice_data">Could not extract cash transfer data from file "%1$s":\n\n%2$s</string>

ui/BankingJavaFxApp/src/main/kotlin/net/dankito/banking/ui/javafx/dialogs/mainwindow/controls/MainMenuBar.kt

@@ -54,7 +54,7 @@ open class MainMenuBar(protected val presenter: BankingPresenter) : View() {
                     item(messages["main.window.menu.file.new.cash.transfer.from.pdf"], KeyCodeCombination(KeyCode.W, KeyCombination.SHORTCUT_DOWN, KeyCodeCombination.SHIFT_DOWN)) {
                         enableWhen(areAccountsThatCanTransferMoneyAdded)
 
-                        action { transferMoneyWithDataFromPdf() }
+                        action { showTransferMoneyDialogWithDataFromPdf() }
                     }
                 }
 
@@ -71,7 +71,7 @@ open class MainMenuBar(protected val presenter: BankingPresenter) : View() {
         areAccountsThatCanTransferMoneyAdded.value = presenter.hasAccountsSupportTransferringMoney
     }
 
-    protected open fun transferMoneyWithDataFromPdf() {
+    protected open fun showTransferMoneyDialogWithDataFromPdf() {
         val fileChooser = FileChooser()
 
         fileChooser.initialDirectory = lastSelectedFolder
@@ -80,15 +80,15 @@ open class MainMenuBar(protected val presenter: BankingPresenter) : View() {
         fileChooser.showOpenDialog(currentStage)?.let { pdfFile ->
             lastSelectedFolder = pdfFile.parentFile
 
-            val result = presenter.transferMoneyWithDataFromPdf(pdfFile.toFile())
+            val result = presenter.showTransferMoneyDialogWithDataFromPdf(pdfFile.toFile())
 
             if (result.type != ExtractTransferMoneyDataFromPdfResultType.Success) {
-                showTransferMoneyWithDataFromPdfError(pdfFile, result)
+                showTransferMoneyDialogWithDataFromPdfError(pdfFile, result)
             }
         }
     }
 
-    protected open fun showTransferMoneyWithDataFromPdfError(pdfFile: File, result: ExtractTransferMoneyDataFromPdfResult) {
+    protected open fun showTransferMoneyDialogWithDataFromPdfError(pdfFile: File, result: ExtractTransferMoneyDataFromPdfResult) {
         val errorMessageKey = when (result.type) {
             ExtractTransferMoneyDataFromPdfResultType.NotASearchablePdf -> "transfer.money.from.pdf.error.message.not.a.searchable.pdf"
             ExtractTransferMoneyDataFromPdfResultType.CouldNotExtractText -> "transfer.money.from.pdf.error.message.could.not.extract.text"

ui/BankingUiCommon/build.gradle

@@ -40,6 +40,8 @@ kotlin {
                 api project(":fints4k")
 
                 api project(":BankFinder")
+
+                api project(":EpcQrCodeParser")
             }
         }
 

ui/BankingUiCommon/src/commonMain/kotlin/net/dankito/banking/ui/presenter/BankingPresenter.kt

@@ -32,6 +32,7 @@ import net.dankito.banking.util.extraction.IInvoiceDataExtractor
 import net.dankito.banking.util.extraction.ITextExtractorRegistry
 import net.dankito.banking.util.extraction.NoOpInvoiceDataExtractor
 import net.dankito.banking.util.extraction.NoOpTextExtractorRegistry
+import net.codinux.banking.tools.epcqrcode.*
 import net.dankito.utils.multiplatform.*
 import net.dankito.utils.multiplatform.log.LoggerFactory
 import kotlin.collections.ArrayList
@@ -49,7 +50,8 @@ open class BankingPresenter(
     protected val textExtractorRegistry: ITextExtractorRegistry = NoOpTextExtractorRegistry(),
     protected val invoiceDataExtractor: IInvoiceDataExtractor = NoOpInvoiceDataExtractor(),
     protected val currencyInfoProvider: ICurrencyInfoProvider = CurrencyInfoProvider(),
-    protected val asyncRunner: IAsyncRunner = CoroutinesAsyncRunner()
+    protected val asyncRunner: IAsyncRunner = CoroutinesAsyncRunner(),
+    protected val qrCodeParser: EpcQrCodeParser = EpcQrCodeParser() // TODO: create interface
 ) {
 
     companion object {
@@ -586,7 +588,28 @@ open class BankingPresenter(
         }
     }
 
-    open fun transferMoneyWithDataFromPdf(pdf: File): ExtractTransferMoneyDataFromPdfResult {
+    open fun showTransferMoneyDialogWithDataFromQrCode(decodedQrCode: String): ParseEpcQrCodeResult {
+        val result = qrCodeParser.parseEpcQrCode(decodedQrCode)
+
+        if (result.successful) {
+            result.epcQrCode?.let { epcQrCode ->
+                // TODO: show originatorInformation to user
+
+                val transferMoneyData = TransferMoneyData(
+                    allAccounts.first(),
+                    epcQrCode.receiverName,
+                    epcQrCode.iban,
+                    epcQrCode.bic ?: "",
+                    epcQrCode.amount?.let { BigDecimal(it) } ?: BigDecimal.Zero,
+                    epcQrCode.remittance)
+                showTransferMoneyDialog(transferMoneyData)
+            }
+        }
+
+        return result
+    }
+
+    open fun showTransferMoneyDialogWithDataFromPdf(pdf: File): ExtractTransferMoneyDataFromPdfResult {
         val extractionResult = textExtractorRegistry.extractTextWithBestExtractorForFile(pdf)
 
         if (extractionResult.couldExtractText == false || extractionResult.text == null) {

ui/BankingUiNativeIntegration/build.gradle

@@ -6,6 +6,8 @@ plugins {
 
 ext.artifactName = "banking-ui-native-integration"
 
+def frameworkName = "BankingUiSwift"
+
 
 kotlin {
 
@@ -15,12 +17,13 @@ kotlin {
         fromPreset(iOSTarget, 'ios') {
             binaries {
                 framework {
-                    baseName = "BankingUiSwift"
+                    baseName = frameworkName
 
 //                    transitiveExport = true
                     export(project(":BankingUiCommon"))
                     export(project(":fints4kBankingClient"))
                     export(project(":BankFinder"))
+                    export(project(":EpcQrCodeParser"))
                     // do not add fints4k to exports, would lead to a lot of naming conflicts. In this way fints4k classes get prefixed with 'Fints4k' which is Ok
 //                    export(project(":fints4k"))
                     // exporting common would lead to naming conflicts with Foundation classes like Date, UUID, Thread, ...

ui/BankingiOSApp/BankingiOSApp.xcodeproj/project.pbxproj

@@ -35,6 +35,8 @@
 		3642F01A2502931F005186FE /* RealTimeTransferInfoView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3642F0192502931F005186FE /* RealTimeTransferInfoView.swift */; };
 		3642F04B25031157005186FE /* SectionHeaderWithRightAlignedEditButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3642F04A25031157005186FE /* SectionHeaderWithRightAlignedEditButton.swift */; };
 		36671255253A761500BD2301 /* BankCredentialsPasswordView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36671254253A761500BD2301 /* BankCredentialsPasswordView.swift */; };
+		36671290253F8D5200BD2301 /* ScanQrCodeViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3667128F253F8D5200BD2301 /* ScanQrCodeViewController.swift */; };
+		36671294254045E100BD2301 /* EpcQrCodeParser.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 36671293254045E100BD2301 /* EpcQrCodeParser.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		36693A4E25280BCB00BB7AE5 /* InfoButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36693A4D25280BCB00BB7AE5 /* InfoButton.swift */; };
 		366FA4DA24C472A90094F009 /* Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 366FA4D924C472A90094F009 /* Extensions.swift */; };
 		366FA4DC24C479120094F009 /* BankInfoListItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 366FA4DB24C479120094F009 /* BankInfoListItem.swift */; };
@@ -157,6 +159,7 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
+				36671294254045E100BD2301 /* EpcQrCodeParser.framework in Embed Frameworks */,
 				3684EB8F250B7F3C0001139E /* BankingUiCommon.framework in Embed Frameworks */,
 				36BCF86A24BA550D005BEC29 /* BankFinder.framework in Embed Frameworks */,
 				36BCF85F24BA4DA8005BEC29 /* MultiplatformUtils.framework in Embed Frameworks */,
@@ -199,6 +202,8 @@
 		3642F0192502931F005186FE /* RealTimeTransferInfoView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RealTimeTransferInfoView.swift; sourceTree = "<group>"; };
 		3642F04A25031157005186FE /* SectionHeaderWithRightAlignedEditButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SectionHeaderWithRightAlignedEditButton.swift; sourceTree = "<group>"; };
 		36671254253A761500BD2301 /* BankCredentialsPasswordView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BankCredentialsPasswordView.swift; sourceTree = "<group>"; };
+		3667128F253F8D5200BD2301 /* ScanQrCodeViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScanQrCodeViewController.swift; sourceTree = "<group>"; };
+		36671293254045E100BD2301 /* EpcQrCodeParser.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = EpcQrCodeParser.framework; path = "../../tools/EpcQrCodeParser/build/xcode-frameworks/EpcQrCodeParser.framework"; sourceTree = "<group>"; };
 		36693A4D25280BCB00BB7AE5 /* InfoButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InfoButton.swift; sourceTree = "<group>"; };
 		366FA4D924C472A90094F009 /* Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Extensions.swift; sourceTree = "<group>"; };
 		366FA4DB24C479120094F009 /* BankInfoListItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BankInfoListItem.swift; sourceTree = "<group>"; };
@@ -371,6 +376,7 @@
 				36E21ED424DC549800649DC8 /* BankSettingsDialog.swift */,
 				36E21ED624DC617200649DC8 /* BankAccountSettingsDialog.swift */,
 				36B8A4472503D12100C15359 /* ProtectAppSettingsDialog.swift */,
+				3667128F253F8D5200BD2301 /* ScanQrCodeViewController.swift */,
 			);
 			path = dialogs;
 			sourceTree = "<group>";
@@ -481,6 +487,7 @@
 		36FC928F24B39A05002B12E9 = {
 			isa = PBXGroup;
 			children = (
+				36671293254045E100BD2301 /* EpcQrCodeParser.framework */,
 				3684EB8E250B7F3C0001139E /* BankingUiCommon.framework */,
 				3684EB8C250B7F2B0001139E /* BankingUiCommon.framework.dSYM */,
 				36FC929A24B39A05002B12E9 /* BankingiOSApp */,
@@ -992,6 +999,7 @@
 				36BE068F24CEE1BD00CBBB68 /* AllBanksListItem.swift in Sources */,
 				360782C324E49FF70098FEFE /* ValidationLabel.swift in Sources */,
 				3684EB92250FD4AF0001139E /* LabelledValue.swift in Sources */,
+				36671290253F8D5200BD2301 /* ScanQrCodeViewController.swift in Sources */,
 				36BE069124CEF52800CBBB68 /* UpdateButton.swift in Sources */,
 				36E21ED124DC540400649DC8 /* SettingsDialog.swift in Sources */,
 				3684EB8B2508F6F00001139E /* SearchBarWithLabel.swift in Sources */,

ui/BankingiOSApp/BankingiOSApp/Base.lproj/Localizable.strings

@@ -130,7 +130,8 @@
 
 /*      New action sheet        */
 
-"Show transfer money dialog" = "Transfer money";
+"Show transfer money dialog" = "Money transfer";
+"Money transfer from scanning QR-Code" = "Money transfer from QR-Code";
 
 
 /*      TransferMoneyDialog     */

ui/BankingiOSApp/BankingiOSApp/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>NSCameraUsageDescription</key>
+	<string>Used to scan QR codes to initiate money transfer</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleExecutable</key>

ui/BankingiOSApp/BankingiOSApp/SceneDelegate.swift

@@ -62,7 +62,7 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 
             DependencyInjector.register(dependency: presenter)
             
-            window.rootViewController = UINavigationController(rootViewController: TabBarController())
+            window.rootViewController = UINavigationController(rootViewController: TabBarController(presenter))
         }
     }
     

ui/BankingiOSApp/BankingiOSApp/TabBarController.swift

@@ -1,10 +1,25 @@
 import SwiftUI
+import AVFoundation
+import BankingUiSwift
 
 
 class TabBarController : UITabBarController, UITabBarControllerDelegate {
     
     @ObservedObject var data: AppData = AppData()
     
+    private let presenter: BankingPresenterSwift
+    
+    
+    init(_ presenter: BankingPresenterSwift) {
+        self.presenter = presenter
+        
+        super.init(nibName: nil, bundle: Bundle.main)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
     
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -88,15 +103,33 @@ class TabBarController : UITabBarController, UITabBarControllerDelegate {
     
     
     private func showNewOptionsActionSheet() {
-        let transferMoneyAction = UIAlertAction.default("Show transfer money dialog".localize()) { SceneDelegate.navigateToView(TransferMoneyDialog()) }
+        let moneyTransferFromQrCodeAction = UIAlertAction.default("Money transfer from scanning QR-Code".localize()) { self.scanQrCodeIfCameraAccessGranted() }
+        moneyTransferFromQrCodeAction.isEnabled = data.hasAccountsThatSupportTransferringMoney
+        
+        let transferMoneyAction = UIAlertAction.default("Show transfer money dialog".localize()) { self.presenter.showTransferMoneyDialog(preselectedValues: nil) }
         transferMoneyAction.isEnabled = data.hasAccountsThatSupportTransferringMoney
         
         ActionSheet(
             nil,
+            moneyTransferFromQrCodeAction,
             transferMoneyAction,
             UIAlertAction.default("Add account") { SceneDelegate.navigateToView(AddAccountDialog()) },
             UIAlertAction.cancel()
         ).show(self.tabBar, self.tabBar.bounds.midX, 0)
     }
     
+    private func scanQrCodeIfCameraAccessGranted() {
+        AVCaptureDevice.requestAccess(for: .video) { granted in
+            if granted {
+                DispatchQueue.main.async { // completionHandler is called on an arbitrary dispatch queue
+                    SceneDelegate.navigateToViewController(ScanQrCodeViewController() { decodedQrCode in
+                        if let decodedQrCode = decodedQrCode {
+                            self.presenter.showTransferMoneyDialogWithDataFromQrCode(decodedQrCode: decodedQrCode)
+                        }
+                    })
+                }
+            }
+        }
+    }
+    
 }

ui/BankingiOSApp/BankingiOSApp/de.lproj/Localizable.strings

@@ -132,6 +132,7 @@
 /*      New action sheet        */
 
 "Show transfer money dialog" = "Überweisung";
+"Money transfer from scanning QR-Code" = "Überweisung aus QR-Code";
 
 
 /*      TransferMoneyDialog     */

ui/BankingiOSApp/BankingiOSApp/ui/dialogs/ScanQrCodeViewController.swift

@@ -0,0 +1,131 @@
+import AVFoundation
+import UIKit
+
+
+/**
+ Copied from Hacking with Swift: https://www.hackingwithswift.com/example-code/media/how-to-scan-a-qr-code
+ */
+class ScanQrCodeViewController: UIViewController, AVCaptureMetadataOutputObjectsDelegate {
+    
+    private let scanResult: (String?) -> Void
+    
+    private var captureSession: AVCaptureSession!
+    
+    private var previewLayer: AVCaptureVideoPreviewLayer!
+    
+    
+    init(_ scanResult: @escaping (String?) -> Void) {
+        self.scanResult = scanResult
+        
+        super.init(nibName: nil, bundle: Bundle.main)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        view.backgroundColor = UIColor.black
+        captureSession = AVCaptureSession()
+
+        guard let videoCaptureDevice = AVCaptureDevice.default(for: .video) else { return }
+        let videoInput: AVCaptureDeviceInput
+
+        do {
+            videoInput = try AVCaptureDeviceInput(device: videoCaptureDevice)
+        } catch {
+            return
+        }
+
+        if (captureSession.canAddInput(videoInput)) {
+            captureSession.addInput(videoInput)
+        } else {
+            failed()
+            return
+        }
+
+        let metadataOutput = AVCaptureMetadataOutput()
+
+        if (captureSession.canAddOutput(metadataOutput)) {
+            captureSession.addOutput(metadataOutput)
+
+            metadataOutput.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
+            metadataOutput.metadataObjectTypes = [.qr]
+        } else {
+            failed()
+            return
+        }
+
+        previewLayer = AVCaptureVideoPreviewLayer(session: captureSession)
+        previewLayer.frame = view.layer.bounds
+        previewLayer.videoGravity = .resizeAspectFill
+        view.layer.addSublayer(previewLayer)
+
+        captureSession.startRunning()
+    }
+
+    func failed() {
+        self.closeDialog()
+        
+        let ac = UIAlertController(title: "Scanning not supported", message: "Your device does not support scanning a code from an item. Please use a device with a camera.", preferredStyle: .alert)
+        ac.addAction(UIAlertAction(title: "OK", style: .default))
+        present(ac, animated: true)
+        captureSession = nil
+        
+        scanResult(nil)
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
+        if (captureSession?.isRunning == false) {
+            captureSession.startRunning()
+        }
+    }
+
+    override func viewWillDisappear(_ animated: Bool) {
+        super.viewWillDisappear(animated)
+
+        if (captureSession?.isRunning == true) {
+            captureSession.stopRunning()
+        }
+    }
+
+    func metadataOutput(_ output: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {
+        captureSession.stopRunning()
+        var didCloseDialog = false
+
+        if let metadataObject = metadataObjects.first {
+            if let readableObject = metadataObject as? AVMetadataMachineReadableCodeObject {
+                if let decodedQrCode = readableObject.stringValue {
+                    AudioServicesPlaySystemSound(SystemSoundID(kSystemSoundID_Vibrate))
+                    
+                    didCloseDialog = true
+                    SceneDelegate.dismissCurrentView()
+                    
+                    scanResult(decodedQrCode)
+                }
+            }
+        }
+        
+        if didCloseDialog == false { // for all other cases where QR code could not successfully be read
+            closeDialog()
+        }
+    }
+    
+    private func closeDialog() {
+        SceneDelegate.dismissCurrentView()
+    }
+
+    override var prefersStatusBarHidden: Bool {
+        return true
+    }
+
+    override var supportedInterfaceOrientations: UIInterfaceOrientationMask {
+        return .portrait
+    }
+    
+}

ui/BankingiOSApp/BankingiOSApp/ui/views/listitems/AccountTransactionListItem.swift

@@ -94,7 +94,7 @@ struct AccountTransactionListItem: View {
     }
     
     private func navigateToTransferMoneyDialog(_ preselectedValues: TransferMoneyData) {
-        SceneDelegate.navigateToView(TransferMoneyDialog(preselectedValues: preselectedValues))
+        SceneDelegate.navigateToView(TransferMoneyDialog(preselectedValues))
     }
 
 }