Initial commit

app/.gitignore

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+/build

app/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
+    id("com.google.devtools.ksp") version "2.0.21-1.0.27"
+}
+
+android {
+    namespace = "com.github.nacabaro.vbhelper"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "com.github.nacabaro.vbhelper"
+        minSdk = 28
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+    buildFeatures {
+        compose = true
+    }
+}
+
+dependencies {
+    implementation(libs.androidx.room.runtime)
+    implementation(project(":vb-nfc-reader"))
+    ksp(libs.androidx.room.compiler)
+    annotationProcessor(libs.androidx.room.compiler)
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+}

app/proguard-rules.pro

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+# 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/com/github/nacabaro/vbhelper/ExampleInstrumentedTest.kt

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+package com.github.nacabaro.vbhelper
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.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.getInstrumentation().targetContext
+        assertEquals("com.github.nacabaro.vbhelper", 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"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.NFC" />
+    <uses-feature android:name="android.hardware.nfc" android:required="true" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.VBHelper"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.VBHelper">
+            <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/com/github/nacabaro/vbhelper/MainActivity.kt

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+package com.github.nacabaro.vbhelper
+
+import android.content.Intent
+import android.nfc.NfcAdapter
+import android.nfc.Tag
+import android.nfc.tech.NfcA
+import android.os.Bundle
+import android.provider.Settings
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+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 com.github.nacabaro.vbhelper.R
+import com.github.cfogrady.vbnfc.CryptographicTransformer
+import com.github.cfogrady.vbnfc.TagCommunicator
+import com.github.cfogrady.vbnfc.data.DeviceType
+import com.github.nacabaro.vbhelper.ui.theme.VBHelperTheme
+
+class MainActivity : ComponentActivity() {
+    private lateinit var nfcAdapter: NfcAdapter
+    private lateinit var deviceToCryptographicTransformers: Map<UShort, CryptographicTransformer>
+
+    // EXTRACTED DIRECTLY FROM EXAMPLE APP
+    override fun onCreate(savedInstanceState: Bundle?) {
+        deviceToCryptographicTransformers = getMapOfCryptographicTransformers()
+
+        val maybeNfcAdapter = NfcAdapter.getDefaultAdapter(this)
+        if (maybeNfcAdapter == null) {
+            Toast.makeText(this, "No NFC on device!", Toast.LENGTH_SHORT).show()
+            finish()
+            return
+        }
+        nfcAdapter = maybeNfcAdapter
+
+
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            VBHelperTheme {
+
+            }
+        }
+    }
+
+    // EXTRACTED DIRECTLY FROM EXAMPLE APP
+    private fun getMapOfCryptographicTransformers(): Map<UShort, CryptographicTransformer> {
+        return mapOf(
+            Pair(DeviceType.VitalBraceletBEDeviceType,
+                CryptographicTransformer(readableHmacKey1 = resources.getString(com.github.cfogrady.vbnfc.R.string.password1),
+                    readableHmacKey2 = resources.getString(com.github.cfogrady.vbnfc.R.string.password2),
+                    aesKey = resources.getString(com.github.cfogrady.vbnfc.R.string.decryptionKey),
+                    substitutionCipher = resources.getIntArray(com.github.cfogrady.vbnfc.R.array.substitutionArray))),
+//            Pair(DeviceType.VitalSeriesDeviceType,
+//                CryptographicTransformer(hmacKey1 = resources.getString(R.string.password1),
+//                    hmacKey2 = resources.getString(R.string.password2),
+//                    decryptionKey = resources.getString(R.string.decryptionKey),
+//                    substitutionCipher = resources.getIntArray(R.array.substitutionArray))),
+//            Pair(DeviceType.VitalCharactersDeviceType,
+//                CryptographicTransformer(hmacKey1 = resources.getString(R.string.password1),
+//                    hmacKey2 = resources.getString(R.string.password2),
+//                    decryptionKey = resources.getString(R.string.decryptionKey),
+//                    substitutionCipher = resources.getIntArray(R.array.substitutionArray)))
+        )
+    }
+
+    // EXTRACTED DIRECTLY FROM EXAMPLE APP
+    private fun showWirelessSettings() {
+        Toast.makeText(this, "NFC must be enabled", Toast.LENGTH_SHORT).show()
+        startActivity(Intent(Settings.ACTION_WIRELESS_SETTINGS))
+    }
+
+    // EXTRACTED DIRECTLY FROM EXAMPLE APP
+    private fun buildOnReadTag(handlerFunc: (TagCommunicator)->String): (Tag)->Unit {
+        return { tag->
+            val nfcData = NfcA.get(tag)
+            if (nfcData == null) {
+                runOnUiThread {
+                    Toast.makeText(this, "Tag detected is not VB", Toast.LENGTH_SHORT).show()
+                }
+            }
+            nfcData.connect()
+            nfcData.use {
+                val tagCommunicator = TagCommunicator.getInstance(nfcData, deviceToCryptographicTransformers)
+                val successText = handlerFunc(tagCommunicator)
+                runOnUiThread {
+                    Toast.makeText(this, successText, Toast.LENGTH_SHORT).show()
+                }
+            }
+        }
+    }
+
+    // EXTRACTED DIRECTLY FROM EXAMPLE APP
+    private fun handleTag(handlerFunc: (TagCommunicator)->String) {
+        if (!nfcAdapter.isEnabled) {
+            showWirelessSettings()
+        } else {
+            val options = Bundle()
+            // Work around for some broken Nfc firmware implementations that poll the card too fast
+            options.putInt(NfcAdapter.EXTRA_READER_PRESENCE_CHECK_DELAY, 250)
+            nfcAdapter.enableReaderMode(this, buildOnReadTag(handlerFunc), NfcAdapter.FLAG_READER_NFC_A or NfcAdapter.FLAG_READER_SKIP_NDEF_CHECK,
+                options
+            )
+        }
+    }
+
+    // EXTRACTED DIRECTLY FROM EXAMPLE APP
+    override fun onPause() {
+        super.onPause()
+        if (nfcAdapter.isEnabled) {
+            nfcAdapter.disableReaderMode(this)
+        }
+    }
+}

app/src/main/java/com/github/nacabaro/vbhelper/domain/Dim.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class Dim(
+    @PrimaryKey(autoGenerate = true)
+    val id: Int,
+    val name: String,
+    val stageCount: Int
+)

app/src/main/java/com/github/nacabaro/vbhelper/domain/DimProgress.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = User::class,
+            parentColumns = ["id"],
+            childColumns = ["userId"],
+            onDelete = ForeignKey.CASCADE
+        ),
+        ForeignKey(
+            entity = Dim::class,
+            parentColumns = ["id"],
+            childColumns = ["dimId"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ]
+)
+data class DimProgress(
+    @PrimaryKey val dimId: Int,
+    @PrimaryKey val userId: Int,
+    val currentStage: Int,
+    val unlocked: Boolean
+)

app/src/main/java/com/github/nacabaro/vbhelper/domain/Evolutions.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = Mon::class,
+            parentColumns = ["id"],
+            childColumns = ["monId"],
+            onDelete = ForeignKey.CASCADE
+        ),
+        ForeignKey(
+            entity = Mon::class,
+            parentColumns = ["id"],
+            childColumns = ["nextMon"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ]
+)
+data class Evolutions(
+    @PrimaryKey val monId: Int,
+    @PrimaryKey val nextMon: Int,
+    val trophies: Int,
+    val vitals: Int,
+    val totalBattles: Int,
+    val winRate: Int // Does not need to be a floating point
+)

app/src/main/java/com/github/nacabaro/vbhelper/domain/Mon.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import androidx.room.ForeignKey
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = Dim::class,
+            parentColumns = ["id"],
+            childColumns = ["dimId"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ]
+)
+data class Mon (
+    @PrimaryKey val id: Int,
+    val dimId: Int,
+    val monIndex: Int,
+    val name: String,
+    val stage: Int, // These should be replaced with enums
+    val attribute: Int, // This one too
+    val baseHp: Int,
+    val baseBp: Int,
+    val baseAp: Int,
+    val evoTime: Int, // In minutes
+)

app/src/main/java/com/github/nacabaro/vbhelper/domain/User.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class User (
+    @PrimaryKey(autoGenerate = true) val id: Int,
+    val username: String,
+    val gender: Boolean
+)

app/src/main/java/com/github/nacabaro/vbhelper/domain/UserHealthData.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = User::class,
+            parentColumns = ["id"],
+            childColumns = ["userId"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ]
+)
+data class UserHealthData(
+    @PrimaryKey val userId: Int,
+    val tamerRank: Int, // Old VB thingy, will probably go unused at first
+    val totalSteps: Int
+)

app/src/main/java/com/github/nacabaro/vbhelper/domain/UserMonsters.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = User::class,
+            parentColumns = ["id"],
+            childColumns = ["userId"],
+            onDelete = ForeignKey.CASCADE
+        ),
+        ForeignKey(
+            entity = Mon::class,
+            parentColumns = ["id"],
+            childColumns = ["monId"],
+            onDelete = ForeignKey.CASCADE
+        ),
+        ForeignKey(
+            entity = UserMonsters::class,
+            parentColumns = ["id"],
+            childColumns = ["previousStage"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ]
+)
+data class UserMonsters (
+    @PrimaryKey(autoGenerate = true) val id: Int,
+    val userId: Int,
+    val monId: Int,
+    val previousStage: Int?,
+    val vitals: Int,
+    val trophies: Int,
+    val trainingAp: Int,
+    val trainingBp: Int,
+    val trainingHp: Int,
+    val rank: Int, // Maybe use another enum (?)
+    val ability: Int,  // Another enum (???)
+    val evoTimerLeft: Int,  // Minutes!!
+    val limitTimerLeft: Int,  // Minutes!!!!!
+    val totalBattles: Int,
+    val totalWins: Int
+)

app/src/main/java/com/github/nacabaro/vbhelper/domain/UserMonstersSpecialMissions.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = UserMonsters::class,
+            parentColumns = ["id"],
+            childColumns = ["monId"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ]
+)
+data class UserMonstersSpecialMissions(
+    @PrimaryKey val monId: Int,
+    val slot1: Int,
+    val timeLeft1: Int,
+    val progression1: Int,
+    val slot2: Int,
+    val timeLeft2: Int,
+    val progression2: Int,
+    val slot3: Int,
+    val timeLeft3: Int,
+    val progression3: Int,
+    val slot4: Int,
+    val timeLeft4: Int,
+    val progression4: Int
+)
+
+// Not really proud of this one boss

app/src/main/java/com/github/nacabaro/vbhelper/domain/UserStepsData.kt

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+package com.github.nacabaro.vbhelper.domain
+
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = User::class,
+            parentColumns = ["id"],
+            childColumns = ["userId"],
+            onDelete = ForeignKey.CASCADE
+        )
+    ]
+)
+data class UserStepsData(
+    @PrimaryKey val userId: Int,
+    val day: Int, // Unix?
+    val stepCount: Int
+)

app/src/main/java/com/github/nacabaro/vbhelper/ui/theme/Color.kt

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+package com.github.nacabaro.vbhelper.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)

app/src/main/java/com/github/nacabaro/vbhelper/ui/theme/Theme.kt

@@ -0,0 +1,58 @@
+package com.github.nacabaro.vbhelper.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.ui.platform.LocalContext
+
+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 VBHelperTheme(
+    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
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

app/src/main/java/com/github/nacabaro/vbhelper/ui/theme/Type.kt

@@ -0,0 +1,34 @@
+package com.github.nacabaro.vbhelper.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
+    )
+    */
+)

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

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

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

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                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="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

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

@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

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

@@ -0,0 +1,6 @@
+<?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" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

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

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">VBHelper</string>
+</resources>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.VBHelper" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/test/java/com/github/nacabaro/vbhelper/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.github.nacabaro.vbhelper
+
+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)
+    }
+}