Initial commit

.gitignore

@@ -0,0 +1,14 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+/.idea

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "de.leongeorgi.pretixinfo"
+        minSdkVersion 23
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+ext.anko_version='0.10.8'
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    //implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation "com.fasterxml.jackson.module:jackson-module-kotlin:2.9.9"
+    implementation 'me.dm7.barcodescanner:zxing:1.9.8'
+    implementation "com.google.zxing:core:3.4.0"
+    implementation "org.jetbrains.anko:anko:$anko_version"
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/de/leongeorgi/pretixinfo/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package de.leongeorgi.pretixinfo
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("de.leongeorgi.pretixinfo", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="de.leongeorgi.pretixinfo">
+
+    <uses-permission android:name="android.permission.CAMERA" />
+
+    <application
+            android:allowBackup="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            android:supportsRtl="true"
+            android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/de/leongeorgi/pretixinfo/Event.kt

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+package de.leongeorgi.pretixinfo
+
+import com.fasterxml.jackson.annotation.JsonIgnore
+import com.fasterxml.jackson.annotation.JsonProperty
+import com.fasterxml.jackson.databind.JsonNode
+
+data class Data(val event: Event) {
+    companion object {
+        val DEFAULT = Data(Event.DEFAULT)
+    }
+}
+
+data class Event(
+    val name: String,
+    val slug: String,
+    val organizer: Organizer,
+    val categories: List<Category>,
+    val items: List<Item>,
+    val questions: List<Question>,
+    val orders: List<Order>,
+    val quotas: List<JsonNode>
+) {
+    val uncancelledOrders = orders.filter { it.status != OrderStatus.C }
+    val orderedItems = uncancelledOrders.flatMap { it.positions.map { it.findItem(this) } }
+
+    @JsonIgnore
+    val answeredQuestions: Map<Question, List<Answer>> =
+        uncancelledOrders.flatMap {
+            it.positions.flatMap {
+                it.answers.map { it.question to it }
+            }
+        }.groupBy() { it.first }.mapValues { it.value.map { it.second } }
+
+    fun answeredQuestionsForItems(items: Map<Item, Boolean>): Map<Question, List<Answer>> = uncancelledOrders.flatMap {
+        it.positions
+    }.filter {
+        items[it.item] ?: true
+    }.flatMap {
+        it.answers.map { it.question to it }
+    }.groupBy { it.first }.mapValues { it.value.map { it.second } }
+
+
+    val Item.category: Category get() = findCategory(this@Event)
+    val Position.item: Item get() = findItem(this@Event)
+    val Position.variation: Variation? get() = findVariation(this@Event)
+    val Answer.question: Question get() = findQuestion(this@Event)
+    val Position.parentPosition: Position? get() = findParentPosition(this@Event)
+    val Position.addons: List<Position> get() = findAddons(this@Event)
+    val Position.parentPositionOrSelf: Position get() = findParentPosition(this@Event) ?: this
+
+    fun findPosition(secret: String): Pair<Position, Position>? = uncancelledOrders.asSequence()
+        .flatMap { it.positions.asSequence() }
+        .find { it.secret == secret }?.let { it to it.parentPositionOrSelf }
+
+    companion object {
+        val DEFAULT = Event(
+            "",
+            "",
+            Organizer.DEFAULT,
+            emptyList(),
+            emptyList(),
+            emptyList(),
+            emptyList(),
+            emptyList()
+        )
+    }
+}
+
+data class Order(
+    val code: String,
+    val status: OrderStatus,
+    val user: String,
+    val datetime: String,
+    val fees: List<JsonNode>,
+    val total: Double,
+    val positions: List<Position>
+) {
+    companion object {
+        val DEFAULT by lazy {
+            Order(
+                "",
+                OrderStatus.N,
+                "",
+                "",
+                emptyList(),
+                0.0,
+                emptyList()
+            )
+        }
+    }
+
+    @JsonIgnore
+    private val searchableStrings = listOfNotNull(
+        code,
+        user
+    )
+
+    fun matches(search: String): Pair<Boolean, Position?> {
+        if (search.isEmpty()) {
+            return true to null
+        }
+
+        if (searchableStrings.any { it.contains(search, true) }) {
+            return true to null
+        }
+
+        val matchingPositions = positions.filter { it.matches(search) }
+
+        return if (matchingPositions.isNotEmpty()) {
+            true to matchingPositions.singleOrNull()
+        } else {
+            false to null
+        }
+    }
+}
+
+data class Position(
+    val id: Int,
+    @JsonProperty("item") val itemId: Int,
+    @JsonProperty("variation") val variationId: Int?,
+    val price: Double,
+    @JsonProperty("attendee_name") val attendeeName: String?,
+    @JsonProperty("attendee_email") val attendeeEmail: String?,
+    val secret: String,
+    @JsonProperty("addon_to") val addonTo: Int?,
+    val answers: List<Answer>
+) {
+    fun findItem(event: Event) = event.items.first { it.id == itemId }
+
+    fun findVariation(event: Event): Variation? {
+        return findItem(event).variations.find { it.id == (variationId ?: return null) }
+    }
+
+    @JsonIgnore
+    val searchableStrings = listOfNotNull(
+        *answers.map { it.answer }.toTypedArray(),
+        attendeeEmail,
+        attendeeName,
+        secret
+    )
+
+    @JsonIgnore
+    val isAddon: Boolean = addonTo != null
+
+    fun findAddons(event: Event): List<Position> {
+        return event.uncancelledOrders.flatMap { it.positions }.filter { it.addonTo == id }
+    }
+
+    fun matches(search: String): Boolean {
+        if (search.isEmpty()) {
+            return true
+        }
+        return searchableStrings.any { it.contains(search, ignoreCase = true) }
+    }
+
+
+    fun findParentPosition(event: Event): Position? {
+        return event.uncancelledOrders.flatMap { it.positions }.find { it.id == addonTo }
+    }
+
+    companion object {
+        val DEFAULT = Position(
+            0,
+            0,
+            0,
+            0.0,
+            null,
+            null,
+            "",
+            null,
+            emptyList()
+        )
+    }
+}
+
+data class Answer(
+    @JsonProperty("question") val questionId: Int,
+    val answer: String
+) {
+    fun findQuestion(event: Event) = event.questions.first { it.id == questionId }
+}
+
+enum class OrderStatus {
+    @JsonProperty("n")
+    N,
+    @JsonProperty("c")
+    C,
+    @JsonProperty("p")
+    PAID
+}
+
+data class Question(
+    val id: Int,
+    val question: String,
+    val type: QuestionType
+)
+
+enum class QuestionType {
+    B, C, M, S, T
+}
+
+data class Category(
+    val id: Int,
+    val name: String,
+    @JsonProperty("internal_name") val internalName: String?
+)
+
+data class Item(
+    val id: Int,
+    val name: String,
+    @JsonProperty("internal_name") val internalName: String?,
+    @JsonProperty("category") val categoryId: Int,
+    val price: Double,
+    @JsonProperty("tax_rate") val taxRate: Double,
+    @JsonProperty("tax_name") val taxName: String?,
+    val admission: Boolean,
+    val active: Boolean,
+    val variations: List<Variation>
+) {
+    fun findCategory(event: Event) = event.categories.first { it.id == categoryId }
+}
+
+data class Variation(
+    val id: Int,
+    val active: Boolean,
+    val price: Double,
+    val name: String
+)
+
+data class Organizer(
+    val name: String,
+    val slug: String
+) {
+    companion object {
+
+        val DEFAULT = Organizer("", "")
+    }
+}

app/src/main/java/de/leongeorgi/pretixinfo/MainActivity.kt

@@ -0,0 +1,200 @@
+package de.leongeorgi.pretixinfo
+
+import android.Manifest
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import android.view.ViewGroup.LayoutParams.MATCH_PARENT
+import android.view.ViewManager
+import com.fasterxml.jackson.core.JsonParseException
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.google.zxing.BarcodeFormat
+import com.google.zxing.Result
+import me.dm7.barcodescanner.zxing.ZXingScannerView
+import org.jetbrains.anko.*
+import org.jetbrains.anko.custom.ankoView
+import java.io.BufferedReader
+import java.io.InputStreamReader
+
+class MainActivity : PermissionActivity(), ZXingScannerView.ResultHandler {
+
+    private val ui = MainActivityUI()
+
+    private var eventData: Data? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val intent = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = "*/*"
+        }
+        ui.setContentView(this)
+        startActivityForResult(intent, CHOOSE_FILE_ID)
+    }
+
+    override fun onResume() {
+        requirePermission(Manifest.permission.CAMERA) {
+            ui.scannerView.run {
+                setResultHandler(this@MainActivity)
+                formats.add(BarcodeFormat.QR_CODE)
+                startCamera()
+            }
+        }
+        super.onResume()
+    }
+
+    override fun onPause() {
+        ui.scannerView.stopCamera()
+        super.onPause()
+    }
+
+
+    override fun handleResult(result: Result) {
+        // code scanned
+        val currentData = eventData
+        if (currentData == null) {
+            createAlert("Keine Datei ausgewählt") {
+                textView("Es wurde keine JSON-Datei ausgewählt.") {
+                    horizontalPadding = dip(16)
+                }
+            }.show()
+            return
+        }
+        val event = currentData.event
+
+        val (position, _) = event.findPosition(result.text) ?: run {
+            createAlert("Code nicht gefunden") {
+                textView("Es existiert kein Ticket zu dem gescannten Secret.") {
+                    horizontalPadding = dip(16)
+                }
+            }.show()
+            return
+        }
+
+        val alert = with(event) {
+            when {
+                position.item.category.name == "Ticket" && position.item.name in setOf(
+                    "Supporter Ticket",
+                    "KIF Ticket"
+                ) -> createTicketAlert(
+                    event, position
+                )
+                position.item.category.name == "Textilien" -> createTextileAlert(event, position)
+                else -> createAlert("Code ist kein KIF-Ticket oder Textil") {
+                    textView("Bitte ein anderes Ticket scannen!") {
+                        horizontalPadding = dip(16)
+                    }
+                }
+            }
+        }
+        alert.show()
+
+
+    }
+
+    private inline fun createAlert(
+        title: String,
+        crossinline init: ViewManager.() -> Unit
+    ) = alert {
+        customTitle {
+            textView(title) {
+                textAppearance = android.R.style.TextAppearance_Material_Headline
+                horizontalPadding = dip(16)
+                topPadding = dip(8)
+            }
+        }
+        customView {
+            init()
+        }
+        okButton {
+            it.cancel()
+        }
+        onCancelled {
+            ui.scannerView.resumeCameraPreview(this@MainActivity)
+        }
+    }
+
+    private fun createTextileAlert(event: Event, position: Position) = with(event) {
+        createAlert(position.item.name) {
+            verticalLayout {
+                textView("Größe: ${position.variation?.name}")
+                textView("Preis: ${"%.2f".format(position.price)} €")
+                horizontalPadding = dip(16)
+            }
+        }
+    }
+
+
+    private fun createTicketAlert(event: Event, position: Position) = with(event) {
+        val inclusiveTextile = position.addons.find { it.item.category.name == "Inklusivtextil" }
+        createAlert(position.item.name) {
+            verticalLayout {
+                textView("Anzeigename: ${position.answers.first { it.question.question == "Anzeigename" }.answer}")
+                textView("Hochschule: ${position.answers.first { it.question.question == "Von welcher Hochschule kommst du?" }.answer}")
+                textView("Name: ${position.attendeeName}")
+                textView("Mail: ${position.attendeeEmail}")
+                textView("Preis: ${"%.2f".format(position.price)} €")
+                if (inclusiveTextile != null) {
+                    textView("Inklusivtextil") {
+                        textAppearance = android.R.style.TextAppearance_Material_Subhead
+                    }
+                    textView("Typ: ${inclusiveTextile.item.name}")
+                    textView("Größe: ${inclusiveTextile.variation?.name}")
+                    textView("Preis: ${"%.2f".format(inclusiveTextile.price)}")
+                } else {
+                    textView("kein Inklusivtextil") {
+                        textAppearance = android.R.style.TextAppearance_Material_Subhead
+                    }
+                }
+                horizontalPadding = dip(16)
+            }
+        }
+    }
+
+
+    private fun dataLoaded(data: Data) {
+        eventData = data
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        if (requestCode == CHOOSE_FILE_ID) {
+
+            assert(data != null) { "The selected file is null" }
+            val t = toast("Parsing JSON…")
+            val reader = BufferedReader(InputStreamReader(contentResolver.openInputStream(data?.data)))
+            try {
+                val eventData = jacksonObjectMapper().readValue<Data>(reader, Data::class.java)
+                dataLoaded(eventData)
+                t.cancel()
+            } catch (_: JsonParseException) {
+                t.cancel()
+                toast("File content is not valid JSON.")
+                finish()
+            }
+        } else {
+            super.onActivityResult(requestCode, resultCode, data)
+        }
+    }
+
+    companion object {
+        private const val CHOOSE_FILE_ID = 1337
+    }
+}
+
+class MainActivityUI : AnkoComponent<MainActivity> {
+    lateinit var scannerView: ZXingScannerView
+
+    override fun createView(ui: AnkoContext<MainActivity>) = with(ui) {
+        verticalLayout {
+            scannerView = ankoView({ ZXingScannerView(it) }, 0) { }
+            lparams(height = MATCH_PARENT)
+        }
+    }
+}
+
+fun Any.debug(string: String) = Log.d(this::class.java.simpleName, string)
+
+interface PermissionCallback {
+    fun onPermissionGranted()
+    fun onPermissionDenied(deniedPermissions: Array<String>)
+}

app/src/main/java/de/leongeorgi/pretixinfo/PermissionActivity.kt

@@ -0,0 +1,97 @@
+package de.leongeorgi.pretixinfo
+
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.provider.Settings
+import android.support.v4.app.ActivityCompat
+import android.support.v4.content.ContextCompat
+import android.support.v7.app.AlertDialog
+import android.support.v7.app.AppCompatActivity
+import android.util.Log
+import java.util.*
+
+abstract class PermissionActivity : AppCompatActivity() {
+
+    private val permissionCallbacks = mutableMapOf<Int, PermissionCallback>()
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+
+        val granted = grantResults
+            .map { it == PackageManager.PERMISSION_GRANTED }
+            .reduce { acc, i -> acc && i }
+
+        if (granted) {
+            debug("Granted ${permissions.joinToString(", ")} with id $requestCode")
+            permissionCallbacks[requestCode]?.onPermissionGranted()
+        } else {
+            // some permissions were denied
+            val deniedPermissions = permissions.zip(grantResults.toTypedArray())
+                .filter { it.second == PackageManager.PERMISSION_DENIED }
+                .map { it.first }
+                .toTypedArray()
+
+            debug("Denied ${deniedPermissions.joinToString(", ")} with id $requestCode")
+            permissionCallbacks[requestCode]?.onPermissionDenied(deniedPermissions)
+        }
+        // remove callback
+        permissionCallbacks.remove(requestCode)
+    }
+
+    fun isPermissionGranted(permission: String) = ContextCompat.checkSelfPermission(this,
+        permission) == PackageManager.PERMISSION_GRANTED
+
+    fun requirePermission(vararg permissionTypes: String, callback: PermissionCallback) {
+        val notGranted = permissionTypes.filter { !isPermissionGranted(it) }
+        if (notGranted.isEmpty()) {
+            // all required permissions are granted
+            callback.onPermissionGranted()
+            return
+        }
+
+        Log.i("not granted permissions", notGranted.toString())
+
+        // 16 bit random int as request id
+        val requestCode = UUID.randomUUID().mostSignificantBits.toInt() and 0xFFFF
+
+        permissionCallbacks.put(requestCode, callback)
+
+        debug("Requesting ${notGranted.joinToString(", ")} with id $requestCode")
+        ActivityCompat.requestPermissions(this, notGranted.toTypedArray(), requestCode)
+    }
+
+    fun requirePermission(vararg permissionTypes: String, grantedFunction: () -> Unit) =
+        requirePermission(
+            *permissionTypes,
+            callback = defaultPermissionCallback(grantedFunction)
+        )
+
+    private fun defaultPermissionCallback(grantedFunction: () -> Unit): PermissionCallback = object : PermissionCallback {
+        override fun onPermissionDenied(deniedPermissions: Array<String>) {
+            // TODO: theme
+            AlertDialog.Builder(this@PermissionActivity)
+                .setTitle(R.string.dialog_permission_denied_title)
+                .setMessage(R.string.dialog_permission_denied_message)
+                .setPositiveButton(R.string.dialog_permission_denied_button_positive) { _, _ ->
+                    requirePermission(
+                        *deniedPermissions,
+                        callback = defaultPermissionCallback(grantedFunction)
+                    )
+                }
+                .setNeutralButton(R.string.dialog_permission_denied_button_neutral) { _, _ ->
+                    val intent = Intent()
+                    intent.action = Settings.ACTION_APPLICATION_DETAILS_SETTINGS
+                    val uri = Uri.fromParts("package", packageName, null)
+                    intent.data = uri
+                    startActivity(intent)
+                }
+                .setNegativeButton(R.string.dialog_permission_denied_button_negative) { _, _ ->
+                    finish()
+                }.create().show()
+
+        }
+
+        override fun onPermissionGranted() = grantedFunction()
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+            android:fillType="evenOdd"
+            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:endX="78.5885"
+                    android:endY="90.9159"
+                    android:startX="48.7653"
+                    android:startY="61.0927"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1"/>
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#008577"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".MainActivity">
+
+    <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Hello World!"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toTopOf="parent"/>
+
+</android.support.constraint.ConstraintLayout>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#008577</color>
+    <color name="colorPrimaryDark">#00574B</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,8 @@
+<resources>
+    <string name="app_name">PretixInfo</string>
+    <string name="dialog_permission_denied_title">Permissions denied</string>
+    <string name="dialog_permission_denied_message">You denied permissions the app requires to work correctly.</string>
+    <string name="dialog_permission_denied_button_positive">Grant</string>
+    <string name="dialog_permission_denied_button_neutral">Settings</string>
+    <string name="dialog_permission_denied_button_negative">Exit</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

app/src/test/java/de/leongeorgi/pretixinfo/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package de.leongeorgi.pretixinfo
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

build.gradle

@@ -0,0 +1,28 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.3.31'
+    repositories {
+        google()
+        jcenter()
+        
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.4.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+        
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,15 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Sun Jun 09 15:25:02 CEST 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1 @@
+include ':app'