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-rw-r--r--.gitignore15
-rw-r--r--.idea/.gitignore3
-rw-r--r--.idea/compiler.xml6
-rw-r--r--.idea/gradle.xml20
-rw-r--r--.idea/inspectionProfiles/Project_Default.xml41
-rw-r--r--.idea/kotlinc.xml6
-rw-r--r--.idea/misc.xml10
-rw-r--r--app/.gitignore1
-rw-r--r--app/build.gradle85
-rw-r--r--app/proguard-rules.pro21
-rw-r--r--app/src/androidTest/java/com/pwc/calculatorv2/ExampleInstrumentedTest.kt24
-rw-r--r--app/src/main/AndroidManifest.xml28
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/DB.kt13
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/data/dao/FunctionDao.kt51
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/data/datasources/FunctionListDataSource.kt70
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/data/models/FunctionDTO.kt28
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/data/repositories/FunctionListRepository.kt121
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/data/responses/FunctionListResponse.kt8
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/data/viewmodels/CalculatorViewModel.kt316
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/activities/MainActivity.kt31
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/navigation/AppScreens.kt7
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/screens/BottomNavScreen.kt60
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/screens/CalculatorScreen.kt276
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/screens/FunctionListScreen.kt72
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/screens/WipeScreen.kt31
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Color.kt11
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Theme.kt70
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Type.kt34
-rw-r--r--app/src/main/java/com/pwc/calculatorv2/presentation/ui/widgets/BottomNav.kt32
-rw-r--r--app/src/main/res/drawable-v24/ic_launcher_foreground.xml30
-rw-r--r--app/src/main/res/drawable/ic_launcher_background.xml170
-rw-r--r--app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml6
-rw-r--r--app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml6
-rw-r--r--app/src/main/res/mipmap-hdpi/ic_launcher.webpbin0 -> 1404 bytes
-rw-r--r--app/src/main/res/mipmap-hdpi/ic_launcher_round.webpbin0 -> 2898 bytes
-rw-r--r--app/src/main/res/mipmap-mdpi/ic_launcher.webpbin0 -> 982 bytes
-rw-r--r--app/src/main/res/mipmap-mdpi/ic_launcher_round.webpbin0 -> 1772 bytes
-rw-r--r--app/src/main/res/mipmap-xhdpi/ic_launcher.webpbin0 -> 1900 bytes
-rw-r--r--app/src/main/res/mipmap-xhdpi/ic_launcher_round.webpbin0 -> 3918 bytes
-rw-r--r--app/src/main/res/mipmap-xxhdpi/ic_launcher.webpbin0 -> 2884 bytes
-rw-r--r--app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webpbin0 -> 5914 bytes
-rw-r--r--app/src/main/res/mipmap-xxxhdpi/ic_launcher.webpbin0 -> 3844 bytes
-rw-r--r--app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webpbin0 -> 7778 bytes
-rw-r--r--app/src/main/res/values/colors.xml10
-rw-r--r--app/src/main/res/values/strings.xml3
-rw-r--r--app/src/main/res/values/themes.xml5
-rw-r--r--app/src/main/res/xml/backup_rules.xml13
-rw-r--r--app/src/main/res/xml/data_extraction_rules.xml19
-rw-r--r--app/src/test/java/com/pwc/calculatorv2/ExampleUnitTest.kt17
-rw-r--r--build.gradle6
-rw-r--r--gradle.properties23
-rw-r--r--gradle/wrapper/gradle-wrapper.jarbin0 -> 59203 bytes
-rw-r--r--gradle/wrapper/gradle-wrapper.properties6
-rw-r--r--gradlew185
-rw-r--r--gradlew.bat89
-rw-r--r--settings.gradle16
56 files changed, 2095 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aa724b7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,15 @@
+*.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
+.cxx
+local.properties
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..eaf91e2
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..8fabff5
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="CompilerConfiguration">
+ <bytecodeTargetLevel target="17" />
+ </component>
+</project> \ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..02a60b0
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="GradleMigrationSettings" migrationVersion="1" />
+ <component name="GradleSettings">
+ <option name="linkedExternalProjectsSettings">
+ <GradleProjectSettings>
+ <option name="testRunner" value="GRADLE" />
+ <option name="distributionType" value="DEFAULT_WRAPPED" />
+ <option name="externalProjectPath" value="$PROJECT_DIR$" />
+ <option name="gradleJvm" value="jbr-17" />
+ <option name="modules">
+ <set>
+ <option value="$PROJECT_DIR$" />
+ <option value="$PROJECT_DIR$/app" />
+ </set>
+ </option>
+ </GradleProjectSettings>
+ </option>
+ </component>
+</project> \ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..44ca2d9
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,41 @@
+<component name="InspectionProjectProfileManager">
+ <profile version="1.0">
+ <option name="myName" value="Project Default" />
+ <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+ <option name="composableFile" value="true" />
+ <option name="previewFile" value="true" />
+ </inspection_tool>
+ </profile>
+</component> \ No newline at end of file
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
new file mode 100644
index 0000000..6513be7
--- /dev/null
+++ b/.idea/kotlinc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="KotlinJpsPluginSettings">
+ <option name="version" value="1.7.20" />
+ </component>
+</project> \ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..0ad17cb
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="ExternalStorageConfigurationManager" enabled="true" />
+ <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+ <output url="file://$PROJECT_DIR$/build/classes" />
+ </component>
+ <component name="ProjectType">
+ <option name="id" value="Android" />
+ </component>
+</project> \ No newline at end of file
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build \ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
new file mode 100644
index 0000000..b4889d8
--- /dev/null
+++ b/app/build.gradle
@@ -0,0 +1,85 @@
+plugins {
+ id 'com.android.application'
+ id 'org.jetbrains.kotlin.android'
+ id 'kotlin-kapt'
+}
+
+android {
+ namespace 'com.pwc.calculatorv2'
+ compileSdk 33
+
+ defaultConfig {
+ applicationId "com.pwc.calculatorv2"
+ minSdk 24
+ targetSdk 33
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ vectorDrawables {
+ useSupportLibrary true
+ }
+ viewBinding {
+ enabled = true
+ }
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+ kotlinOptions {
+ jvmTarget = '1.8'
+ }
+ buildFeatures {
+ compose true
+ }
+ composeOptions {
+ kotlinCompilerExtensionVersion '1.3.2'
+ }
+ packagingOptions {
+ resources {
+ excludes += '/META-INF/{AL2.0,LGPL2.1}'
+ }
+ }
+}
+
+dependencies {
+
+ implementation 'androidx.core:core-ktx:1.10.1'
+ implementation platform('org.jetbrains.kotlin:kotlin-bom:1.8.0')
+ implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.1'
+ implementation 'androidx.activity:activity-compose:1.7.2'
+ implementation platform('androidx.compose:compose-bom:2022.10.00')
+ implementation 'androidx.compose.ui:ui'
+ implementation 'androidx.compose.ui:ui-graphics'
+ implementation 'androidx.compose.ui:ui-tooling-preview'
+ implementation 'androidx.compose.material3:material3'
+ implementation 'androidx.compose.material:material:1.4.3'
+ implementation 'androidx.navigation:navigation-fragment-ktx:2.5.3'
+ implementation "androidx.fragment:fragment-ktx:1.5.7"
+ implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+ implementation 'com.google.android.material:material:1.9.0'
+ implementation 'androidx.navigation:navigation-compose:2.5.3'
+
+ implementation 'androidx.compose.runtime:runtime-livedata:1.0.7'
+
+ implementation("androidx.room:room-runtime:2.5.0")
+ annotationProcessor("androidx.room:room-compiler:2.5.0")
+ kapt("androidx.room:room-compiler:2.5.0")
+
+
+ testImplementation 'junit:junit:4.13.2'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+ androidTestImplementation platform('androidx.compose:compose-bom:2022.10.00')
+ androidTestImplementation 'androidx.compose.ui:ui-test-junit4'
+ debugImplementation 'androidx.compose.ui:ui-tooling'
+ debugImplementation 'androidx.compose.ui:ui-test-manifest'
+} \ No newline at end of file
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/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 \ No newline at end of file
diff --git a/app/src/androidTest/java/com/pwc/calculatorv2/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/pwc/calculatorv2/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..793eb0d
--- /dev/null
+++ b/app/src/androidTest/java/com/pwc/calculatorv2/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.pwc.calculatorv2
+
+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.pwc.calculatorv2", appContext.packageName)
+ }
+} \ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..733dbab
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools">
+
+ <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.CalculatorV2"
+ tools:targetApi="31">
+ <activity
+ android:name=".presentation.activities.MainActivity"
+ android:exported="true"
+ android:label="@string/app_name"
+ android:theme="@style/Theme.CalculatorV2">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+
+</manifest> \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/DB.kt b/app/src/main/java/com/pwc/calculatorv2/DB.kt
new file mode 100644
index 0000000..ca4af18
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/DB.kt
@@ -0,0 +1,13 @@
+package com.pwc.calculatorv2
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import com.pwc.calculatorv2.data.dao.FunctionDao
+import com.pwc.calculatorv2.data.models.Function
+
+//??
+
+@Database(entities = [Function::class], version = 1, exportSchema = false)
+abstract class AppDatabase : RoomDatabase() {
+ abstract fun functionDao(): FunctionDao
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/data/dao/FunctionDao.kt b/app/src/main/java/com/pwc/calculatorv2/data/dao/FunctionDao.kt
new file mode 100644
index 0000000..341f961
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/data/dao/FunctionDao.kt
@@ -0,0 +1,51 @@
+package com.pwc.calculatorv2.data.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import com.pwc.calculatorv2.data.models.Function
+
+@Dao
+interface FunctionDao {
+ @Query("SELECT * FROM Function")
+ fun getAll(): List<Function>
+
+ @Query("SELECT * FROM Function WHERE function LIKE '%+%'")
+ fun getPlus(): List<Function>
+
+ @Query("SELECT * FROM Function WHERE function LIKE '%-%'")
+ fun getMinus(): List<Function>
+
+ @Query("SELECT * FROM Function WHERE function LIKE '%*%'")
+ fun getPer(): List<Function>
+
+ @Query("SELECT * FROM Function WHERE function LIKE '%/%'")
+ fun getDivide(): List<Function>
+
+ @Insert
+ fun insertAll(functionList: List<Function>)
+
+ @Insert
+ fun insert(function: Function)
+
+ @Delete
+ fun delete(function: Function)
+
+ @Query("DELETE FROM Function")
+ fun wipe()
+
+ @Query("DELETE FROM Function WHERE function LIKE '%+%'")
+ fun wipePlus()
+
+ @Query("DELETE FROM Function WHERE function LIKE '%-%'")
+ fun wipeMinus()
+
+ @Query("DELETE FROM Function WHERE function LIKE '%*%'")
+ fun wipePer()
+
+ @Query("DELETE FROM Function WHERE function LIKE '%/%'")
+ fun wipeDivided()
+
+
+} \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/data/datasources/FunctionListDataSource.kt b/app/src/main/java/com/pwc/calculatorv2/data/datasources/FunctionListDataSource.kt
new file mode 100644
index 0000000..aaee7b3
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/data/datasources/FunctionListDataSource.kt
@@ -0,0 +1,70 @@
+package com.pwc.calculatorv2.data.datasources
+
+import android.content.Context
+import androidx.room.Room
+import com.pwc.calculatorv2.AppDatabase
+import com.pwc.calculatorv2.data.models.Function
+
+class FunctionListDataSource (context: Context){
+ private val db: AppDatabase = Room.databaseBuilder(
+ context.applicationContext,
+ AppDatabase::class.java,
+ "calculator"
+ ).build()
+
+ fun getFunctionList(): List<Function> {
+ return db.functionDao().getAll()
+ }
+
+ fun getPlusFunctionList(): List<Function> {
+ return db.functionDao().getPlus()
+ }
+
+ fun getMinusFunctionList(): List<Function> {
+ return db.functionDao().getMinus()
+ }
+
+ fun getPerFunctionList(): List<Function> {
+ return db.functionDao().getPer()
+ }
+
+ fun getDividedFunctionList(): List<Function> {
+ return db.functionDao().getDivide()
+ }
+
+ fun addFunction(function: Function): List<Function> {
+ db.functionDao().insert(function)
+ return db.functionDao().getAll()
+ }
+
+ fun removeFunction(function: Function): List<Function> {
+ db.functionDao().delete(function)
+ return db.functionDao().getAll()
+ }
+
+ fun wipeFunctionList(): List<Function> {
+ db.functionDao().wipe()
+ return db.functionDao().getAll()
+ }
+
+ fun wipePlusFunctionList(): List<Function> {
+ db.functionDao().wipePlus()
+ return db.functionDao().getAll()
+ }
+
+ fun wipeMinusFunctionList(): List<Function> {
+ db.functionDao().wipeMinus()
+ return db.functionDao().getAll()
+ }
+
+ fun wipePerFunctionList(): List<Function> {
+ db.functionDao().wipePer()
+ return db.functionDao().getAll()
+ }
+
+ fun wipeDividedFunctionList(): List<Function> {
+ db.functionDao().wipeDivided()
+ return db.functionDao().getAll()
+ }
+
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/data/models/FunctionDTO.kt b/app/src/main/java/com/pwc/calculatorv2/data/models/FunctionDTO.kt
new file mode 100644
index 0000000..b8b73a2
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/data/models/FunctionDTO.kt
@@ -0,0 +1,28 @@
+package com.pwc.calculatorv2.data.models
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import androidx.room.TypeConverter
+import androidx.room.TypeConverters
+import java.util.Date
+
+@Entity
+@TypeConverters(DateConverter::class)
+data class Function(
+ @PrimaryKey (autoGenerate = true) var id: Int = 0,
+ @ColumnInfo var function: String = "",
+ @ColumnInfo var date: Date = Date()
+)
+
+class DateConverter {
+ @TypeConverter
+ fun fromDate(date: Date?): Long? {
+ return date?.time
+ }
+
+ @TypeConverter
+ fun toDate(timestamp: Long?): Date? {
+ return timestamp?.let { Date(it) }
+ }
+} \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/data/repositories/FunctionListRepository.kt b/app/src/main/java/com/pwc/calculatorv2/data/repositories/FunctionListRepository.kt
new file mode 100644
index 0000000..d3b0682
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/data/repositories/FunctionListRepository.kt
@@ -0,0 +1,121 @@
+package com.pwc.calculatorv2.data.repositories
+
+import android.content.Context
+import com.pwc.calculatorv2.data.datasources.FunctionListDataSource
+import com.pwc.calculatorv2.data.responses.FunctionListResponse
+import kotlinx.coroutines.flow.flow
+import com.pwc.calculatorv2.data.models.Function
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.flowOn
+
+class FunctionListRepository (context: Context) {
+ private val dataSource = FunctionListDataSource(context)
+
+ fun getFunctionList() = flow {
+ try {
+ val functionList = dataSource.getFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn(Dispatchers.IO)
+
+ fun getPlusFunctionList() = flow {
+ try {
+ val functionList = dataSource.getPlusFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn(Dispatchers.IO)
+
+ fun getMinusFunctionList() = flow {
+ try {
+ val functionList = dataSource.getMinusFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn(Dispatchers.IO)
+
+ fun getPerFunctionList() = flow {
+ try {
+ val functionList = dataSource.getPerFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn(Dispatchers.IO)
+
+ fun getDividedFunctionList() = flow {
+ try {
+ val functionList = dataSource.getDividedFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn(Dispatchers.IO)
+
+ fun addFunction(function: Function) = flow {
+ try {
+ val functionList = dataSource.addFunction(function)
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn((Dispatchers.IO))
+
+ fun removeFunction(function: Function) = flow {
+ try {
+ val functionList = dataSource.removeFunction(function)
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn((Dispatchers.IO))
+
+ fun wipeFunctionList() = flow {
+ try {
+ val functionList = dataSource.wipeFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn((Dispatchers.IO))
+
+ fun wipePlusFunctionList() = flow {
+ try {
+ val functionList = dataSource.wipePlusFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn((Dispatchers.IO))
+
+ fun wipeMinusFunctionList() = flow {
+ try {
+ val functionList = dataSource.wipeMinusFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn((Dispatchers.IO))
+
+ fun wipePerFunctionList() = flow {
+ try {
+ val functionList = dataSource.wipePerFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn((Dispatchers.IO))
+
+ fun wipeDividedFunctionList() = flow {
+ try {
+ val functionList = dataSource.wipeDividedFunctionList()
+ emit(FunctionListResponse.Success( functionList ))
+ } catch (e: Exception) {
+ emit(FunctionListResponse.Error(e.message ?: "Error"))
+ }
+ }.flowOn((Dispatchers.IO))
+} \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/data/responses/FunctionListResponse.kt b/app/src/main/java/com/pwc/calculatorv2/data/responses/FunctionListResponse.kt
new file mode 100644
index 0000000..b2a75ca
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/data/responses/FunctionListResponse.kt
@@ -0,0 +1,8 @@
+package com.pwc.calculatorv2.data.responses
+
+import com.pwc.calculatorv2.data.models.Function
+
+sealed class FunctionListResponse {
+ data class Success(val functionList: List<Function>) : FunctionListResponse()
+ data class Error(val error: String): FunctionListResponse()
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/data/viewmodels/CalculatorViewModel.kt b/app/src/main/java/com/pwc/calculatorv2/data/viewmodels/CalculatorViewModel.kt
new file mode 100644
index 0000000..bbb270a
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/data/viewmodels/CalculatorViewModel.kt
@@ -0,0 +1,316 @@
+package com.pwc.calculatorv2.data.viewmodels
+
+import android.content.Context
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.pwc.calculatorv2.data.repositories.FunctionListRepository
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import com.pwc.calculatorv2.data.models.Function
+import com.pwc.calculatorv2.data.responses.FunctionListResponse
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+
+class CalculatorViewModel(context: Context, private val repository: FunctionListRepository = FunctionListRepository(context)) : ViewModel() {
+ private val mutableState = MutableStateFlow(CalculatorViewState())
+ val calculatorViewState: StateFlow<CalculatorViewState> = mutableState
+ val index = mutableStateOf(-1)
+
+
+ fun getFunctionList() {
+ mutableState.value = mutableState.value.copy(isLoading = true)
+ repository.getFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ index.value = mutableState.value.functionList?.lastIndex ?: -1
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun getPlusFunctionList() {
+ mutableState.value = mutableState.value.copy(isLoading = true)
+ repository.getPlusFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun getMinusFunctionList() {
+ mutableState.value = mutableState.value.copy(isLoading = true)
+ repository.getMinusFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun getPerFunctionList() {
+ mutableState.value = mutableState.value.copy(isLoading = true)
+ repository.getPerFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun getDivideFunctionList() {
+ mutableState.value = mutableState.value.copy(isLoading = true)
+ repository.getDividedFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ private fun addFunction(function: Function) {
+ repository.addFunction(function)
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ index.value = mutableState.value.functionList?.lastIndex ?: -1
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun removeFunction(function: Function) {
+ repository.removeFunction(function)
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun wipeFunctionList() {
+ repository.wipeFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun wipePlusFunctionList() {
+ repository.wipePlusFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun wipeMinusFunctionList() {
+ repository.wipeMinusFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun wipePerFunctionList() {
+ repository.wipePerFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun wipeDividedFunctionList() {
+ repository.wipeDividedFunctionList()
+ .onEach { response ->
+ when (response) {
+ is FunctionListResponse.Success ->
+ mutableState.value =
+ mutableState.value.copy(functionList = response.functionList)
+ is FunctionListResponse.Error ->
+ mutableState.value =
+ mutableState.value.copy(error = response.error)
+ }
+ }
+ .launchIn(viewModelScope)
+ }
+
+ fun showLast(
+ ):String {
+ var string = ""
+ val functionList = mutableState.value.functionList
+ if (!functionList.isNullOrEmpty()){
+ if (index.value < 0 || index.value > functionList.lastIndex){
+ index.value = functionList.lastIndex
+ }
+ string = functionList[index.value].function
+ index.value = index.value - 1
+ return string
+ }
+ return string
+ }
+
+ fun calculateResult(
+ expression: MutableState<String>,
+ ) {
+ // Calculate the result of the expression
+ val expressionValue = expression.value
+ val result = try {
+ if(expressionValue != "" || expressionValue.contains(" ")){
+ val numericResult = evaluateExpression(expressionValue)
+ numericResult.toString()
+ } else if(!expressionValue.contains(" ")){
+ expressionValue
+ }
+ else
+ {
+ ""
+ }
+ } catch (e: Exception) {
+ "ErrorHello"
+ }
+
+ addFunction(Function(function = expressionValue))
+ expression.value = result
+ }
+
+ private fun evaluateExpression(expression: String): Double {
+ var modifiedExpression = expression
+
+ while (modifiedExpression.contains("(")) {
+ val openingIndex = modifiedExpression.lastIndexOf("(")
+ val closingIndex = modifiedExpression.indexOf(")", openingIndex)
+ val innerExpression = modifiedExpression.substring(openingIndex + 1, closingIndex)
+ val innerResult = evaluateExpression(innerExpression)
+
+ // Replace the inner expression (within parentheses) with its result
+ modifiedExpression =
+ modifiedExpression.replace("($innerExpression)", innerResult.toString())
+// modifiedExpression = modifiedExpression.replaceRange(
+// openingIndex -1,
+// closingIndex,
+// innerResult.toString()
+// )
+
+ }
+
+ val parts = modifiedExpression.split(" ").toMutableList()
+ var operator: String = ""
+ var result: Double = 0.0
+
+
+ while (parts.contains("*")) {
+ multiply(parts)
+ }
+ while (parts.contains("/")) {
+ divide(parts)
+ }
+
+ parts.forEachIndexed { _ , unit ->
+ if (unit.toDoubleOrNull() != null) {
+ val operand = unit.toDouble()
+ when (operator) {
+ "" -> result = operand
+ "+" -> result += operand
+ "-" -> result -= operand
+ }
+ } else {
+ operator = unit.trim()
+ }
+ }
+
+ return result
+ }
+
+
+ private fun divide(parts: MutableList<String>) {
+ val indexOfSymbol = parts.indexOf("/")
+ parts[indexOfSymbol] = (parts[indexOfSymbol - 1].toDouble() / parts[indexOfSymbol + 1].toDouble()).toString()
+ parts.removeAt(indexOfSymbol - 1)
+ parts.removeAt(indexOfSymbol)
+ }
+
+ private fun multiply(parts: MutableList<String>) {
+ val indexOfSymbol = parts.indexOf("*")
+ parts[indexOfSymbol] = (parts[indexOfSymbol - 1].toDouble() * parts[indexOfSymbol + 1].toDouble()).toString()
+ parts.removeAt(indexOfSymbol - 1)
+ parts.removeAt(indexOfSymbol)
+ }
+
+}
+data class CalculatorViewState(
+ val functionList: List<Function>? = null,
+ val error: String? = null,
+ val isLoading: Boolean = false
+)
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/activities/MainActivity.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/activities/MainActivity.kt
new file mode 100644
index 0000000..59a91f0
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/activities/MainActivity.kt
@@ -0,0 +1,31 @@
+package com.pwc.calculatorv2.presentation.activities
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import com.pwc.calculatorv2.presentation.screens.BottomNavScreen
+import com.pwc.calculatorv2.presentation.ui.theme.CalculatorV2Theme
+
+class MainActivity : ComponentActivity() {
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContent {
+ CalculatorV2Theme {
+ // A surface container using the 'background' color from the theme
+ Surface(
+ modifier = Modifier.fillMaxSize(),
+ color = MaterialTheme.colorScheme.background
+ ) {
+ BottomNavScreen()
+ }
+ }
+ }
+ }
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/navigation/AppScreens.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/navigation/AppScreens.kt
new file mode 100644
index 0000000..0418d2b
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/navigation/AppScreens.kt
@@ -0,0 +1,7 @@
+package com.pwc.calculatorv2.presentation.navigation
+
+sealed class AppScreens(val route: String) {
+ object CalculatorScreen: AppScreens("calculator_screen")
+ object FunctionListScreen: AppScreens("function_list_screen")
+ object WipeScreen: AppScreens("wipe_screen")
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/screens/BottomNavScreen.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/BottomNavScreen.kt
new file mode 100644
index 0000000..1f05318
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/BottomNavScreen.kt
@@ -0,0 +1,60 @@
+package com.pwc.calculatorv2.presentation.screens
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import com.pwc.calculatorv2.data.viewmodels.CalculatorViewModel
+import com.pwc.calculatorv2.presentation.navigation.AppScreens
+import com.pwc.calculatorv2.presentation.ui.widgets.BottomNav
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.platform.LocalContext
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun BottomNavScreen() {
+ val context = LocalContext.current
+ val bottomNavController = rememberNavController()
+ val viewModel by remember { mutableStateOf(CalculatorViewModel(context)) }
+ LaunchedEffect(Unit) {
+ viewModel.getFunctionList()
+ }
+
+ Scaffold(
+ bottomBar = {
+ BottomNav(bottomNavController)
+ },
+ ) {
+ Surface(
+ modifier = Modifier
+ .fillMaxSize()
+ .padding(bottom = it.calculateBottomPadding()),
+ color = MaterialTheme.colorScheme.background
+ ) {
+ NavHost(
+ navController = bottomNavController,
+ startDestination = AppScreens.CalculatorScreen.route
+ ) {
+ composable(AppScreens.CalculatorScreen.route) {
+ CalculatorScreen(viewModel)
+ }
+ composable(AppScreens.FunctionListScreen.route) {
+ FunctionListScreen(viewModel)
+ }
+ composable(AppScreens.WipeScreen.route) {
+ WipeScreen(viewModel)
+ }
+ }
+ }
+ }
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/screens/CalculatorScreen.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/CalculatorScreen.kt
new file mode 100644
index 0000000..5cef814
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/CalculatorScreen.kt
@@ -0,0 +1,276 @@
+package com.pwc.calculatorv2.presentation.screens
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.pwc.calculatorv2.data.viewmodels.CalculatorViewModel
+import com.pwc.calculatorv2.data.viewmodels.CalculatorViewState
+
+@SuppressLint("StateFlowValueCalledInComposition")
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CalculatorScreen(
+ viewModel: CalculatorViewModel,
+) {
+
+ val expression = remember { mutableStateOf("") }
+
+ Box(
+ modifier = Modifier
+ .fillMaxSize(),
+ contentAlignment = Alignment.Center)
+ {
+ Column(
+ modifier = Modifier.width(width = 300.dp),
+ verticalArrangement = Arrangement.Center,
+ horizontalAlignment = Alignment.CenterHorizontally
+ ) {
+ TextField(
+ value = expression.value,
+ onValueChange = { expression.value = it },
+ modifier = Modifier.width(300.dp),
+ textStyle = TextStyle(fontSize = 24.sp, textAlign = TextAlign.End)
+ )
+
+ Column(
+ modifier = Modifier
+ .padding(16.dp)
+ .width(300.dp)
+ ) {
+ Row(
+ modifier = Modifier
+ .fillMaxWidth()
+ .padding(horizontal = 0.dp),
+ horizontalArrangement = Arrangement.SpaceEvenly
+ ) {
+ Button(
+ onClick = { viewModel.calculatorViewState.value?.let { expression.value = viewModel.showLast() } },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "^", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, " ( ") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "(", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, " ) ") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = ")", color = Color.Black)
+ }
+ Button(
+ onClick = { erase(expression) },
+ modifier = Modifier.width(57.dp)
+ ) {
+ Text(text = "<", color = Color.Black)
+ }
+ }
+ Row(
+ modifier = Modifier.fillMaxWidth(),
+ horizontalArrangement = Arrangement.SpaceEvenly
+ ) {
+ Button(
+ onClick = { appendToExpression(expression, "7") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "7", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, "8") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "8", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, "9") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "9", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, " + ") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "+", color = Color.Black)
+ }
+ }
+ Row(
+ modifier = Modifier.fillMaxWidth(),
+ horizontalArrangement = Arrangement.SpaceEvenly
+ ) {
+ Button(
+ onClick = { appendToExpression(expression, "4") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "4", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, "5") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "5", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, "6") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "6", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, " - ") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "-", color = Color.Black)
+ }
+ }
+ Row(
+ modifier = Modifier.fillMaxWidth(),
+ horizontalArrangement = Arrangement.SpaceEvenly
+ ) {
+ Button(
+ onClick = { appendToExpression(expression, "1") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "1", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, "2") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "2", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, "3") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "3", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, " * ") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "*", color = Color.Black)
+ }
+ }
+
+ Row(
+ modifier = Modifier.fillMaxWidth(),
+ horizontalArrangement = Arrangement.SpaceEvenly
+ ) {
+ Button(
+ onClick = { appendDotToExpression(expression) },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = ".", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, "0") },
+ modifier = Modifier.width(75.dp)
+ ) {
+ Text(text = "0", color = Color.Black)
+ }
+ Button(
+ onClick = { viewModel.calculateResult(expression) },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "=", color = Color.Black)
+ }
+ Button(
+ onClick = { appendToExpression(expression, " / ") },
+ modifier = Modifier.width(70.dp)
+ ) {
+ Text(text = "/", color = Color.Black)
+ }
+ }
+ // Add more rows of buttons for other numbers and operators
+
+ Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {
+ Button(
+ onClick = { clearExpression(expression) },
+ modifier = Modifier.width(145.dp)
+ ) {
+ Text(text = "Clear", color = Color.Black)
+ }
+ }
+ }
+ }
+}
+}
+
+fun erase(expression: MutableState<String>) {
+ // erase last char from given expression
+ if (expression.value.isNotEmpty()){
+ if(expression.value.last() == " ".last()){
+ expression.value = expression.value.dropLast(3)
+ } else {
+ expression.value = expression.value.dropLast(1)
+ }
+ }
+}
+
+fun appendToExpression(expression: MutableState<String>, text: String) {
+ // Append the given text to the expression
+ if (text == " ) " || text == " ( ") {
+ if(expression.value.isNotEmpty()){
+ if (expression.value.last() == ' ') {
+ expression.value = expression.value.substring(0, expression.value.length - 1) + text
+ } else {
+ expression.value += text
+ }
+ }else{
+ expression.value += text
+ }
+ } else if (expression.value.isNotEmpty() && expression.value.last() == ' ' && text.toDoubleOrNull() == null) {
+ if (expression.value.substring(expression.value.length - 2) == ") " || expression.value.substring(expression.value.length - 2) == "( ") {
+ expression.value = expression.value.substring(0, expression.value.length - 1) + text
+ } else {
+ expression.value = expression.value.substring(0, expression.value.length - 3) + text
+ }
+ } else {
+ expression.value += text
+ if (expression.value.isNotEmpty() && expression.value.first() == ' ') {
+ expression.value = ""
+ }
+ }
+}
+
+
+fun appendDotToExpression(expression: MutableState<String>) {
+ // Append the given text to the expression
+ val lastWord = expression.value.trim().split(" ").last()
+ if(lastWord.toDoubleOrNull() != null || lastWord.isEmpty()){
+ if(!lastWord.contains(".")){
+ expression.value += "."
+ }
+ }
+}
+
+
+fun clearExpression(expression: MutableState<String>) {
+ // Clear the expression
+ expression.value = ""
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/screens/FunctionListScreen.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/FunctionListScreen.kt
new file mode 100644
index 0000000..01f9ea8
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/FunctionListScreen.kt
@@ -0,0 +1,72 @@
+package com.pwc.calculatorv2.presentation.screens
+
+import android.content.Context
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import com.pwc.calculatorv2.data.viewmodels.CalculatorViewModel
+import java.text.SimpleDateFormat
+
+@Composable
+fun FunctionListScreen(
+ viewModel: CalculatorViewModel,
+) {
+
+ val calculatorViewState = viewModel.calculatorViewState.collectAsState()
+ val dateFormat = SimpleDateFormat("dd-MM-yyyy HH:mm")
+
+
+ Column() {
+ Row() {
+ Button(onClick = { viewModel.getFunctionList() }) {
+ Text(text = "ALL")
+ }
+ Button(onClick = { viewModel.getPlusFunctionList() }) {
+ Text(text = "+")
+ }
+ Button(onClick = { viewModel.getMinusFunctionList() }) {
+ Text(text = "-")
+ }
+ Button(onClick = { viewModel.getPerFunctionList() }) {
+ Text(text = "*")
+ }
+ Button(onClick = { viewModel.getDivideFunctionList() }) {
+ Text(text = "/")
+ }
+ }
+ LazyColumn(
+ modifier = Modifier
+ .fillMaxSize(),
+ verticalArrangement = Arrangement.spacedBy(8.dp)
+ ) {
+ calculatorViewState.value.functionList?.forEach() { response ->
+ item {
+ Row(
+ horizontalArrangement = Arrangement.SpaceBetween,
+ verticalAlignment = Alignment.CenterVertically,
+ modifier = Modifier
+ .fillMaxWidth()
+ ) {
+ Text(text = response.function)
+ Text(text = dateFormat.format(response.date))
+ Button(onClick = {viewModel.removeFunction(response) }) {
+ Text(text = "X")
+ }
+ }
+ }
+ }
+ }
+
+ }
+
+} \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/screens/WipeScreen.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/WipeScreen.kt
new file mode 100644
index 0000000..45810ad
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/screens/WipeScreen.kt
@@ -0,0 +1,31 @@
+package com.pwc.calculatorv2.presentation.screens
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import com.pwc.calculatorv2.data.viewmodels.CalculatorViewModel
+
+@Composable
+fun WipeScreen(viewModel: CalculatorViewModel) {
+
+ Column() {
+ Button(onClick = { viewModel.wipeFunctionList()}) {
+ Text(text = "Wipe")
+ }
+ Button(onClick = { viewModel.wipePlusFunctionList()}) {
+ Text(text = "Wipe +")
+ }
+ Button(onClick = { viewModel.wipeMinusFunctionList()}) {
+ Text(text = "Wipe -")
+ }
+ Button(onClick = { viewModel.wipePerFunctionList()}) {
+ Text(text = "Wipe *")
+ }
+ Button(onClick = { viewModel.wipeDividedFunctionList()}) {
+ Text(text = "Wipe /")
+ }
+ }
+
+
+}
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Color.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Color.kt
new file mode 100644
index 0000000..47ec008
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Color.kt
@@ -0,0 +1,11 @@
+package com.pwc.calculatorv2.presentation.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260) \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Theme.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Theme.kt
new file mode 100644
index 0000000..5568c46
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Theme.kt
@@ -0,0 +1,70 @@
+package com.pwc.calculatorv2.presentation.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+ primary = Purple80,
+ secondary = PurpleGrey80,
+ tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+ primary = Purple40,
+ secondary = PurpleGrey40,
+ tertiary = Pink40
+
+ /* Other default colors to override
+ background = Color(0xFFFFFBFE),
+ surface = Color(0xFFFFFBFE),
+ onPrimary = Color.White,
+ onSecondary = Color.White,
+ onTertiary = Color.White,
+ onBackground = Color(0xFF1C1B1F),
+ onSurface = Color(0xFF1C1B1F),
+ */
+)
+
+@Composable
+fun CalculatorV2Theme(
+ darkTheme: Boolean = isSystemInDarkTheme(),
+ // Dynamic color is available on Android 12+
+ dynamicColor: Boolean = true,
+ content: @Composable () -> Unit
+) {
+ val colorScheme = when {
+ dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+ val context = LocalContext.current
+ if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+ }
+
+ darkTheme -> DarkColorScheme
+ else -> LightColorScheme
+ }
+ val view = LocalView.current
+ if (!view.isInEditMode) {
+ SideEffect {
+ val window = (view.context as Activity).window
+ window.statusBarColor = colorScheme.primary.toArgb()
+ WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+ }
+ }
+
+ MaterialTheme(
+ colorScheme = colorScheme,
+ typography = Typography,
+ content = content
+ )
+} \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Type.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Type.kt
new file mode 100644
index 0000000..424eda5
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/theme/Type.kt
@@ -0,0 +1,34 @@
+package com.pwc.calculatorv2.presentation.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+ bodyLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 16.sp,
+ lineHeight = 24.sp,
+ letterSpacing = 0.5.sp
+ )
+ /* Other default text styles to override
+ titleLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 22.sp,
+ lineHeight = 28.sp,
+ letterSpacing = 0.sp
+ ),
+ labelSmall = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Medium,
+ fontSize = 11.sp,
+ lineHeight = 16.sp,
+ letterSpacing = 0.5.sp
+ )
+ */
+) \ No newline at end of file
diff --git a/app/src/main/java/com/pwc/calculatorv2/presentation/ui/widgets/BottomNav.kt b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/widgets/BottomNav.kt
new file mode 100644
index 0000000..1ba2d4c
--- /dev/null
+++ b/app/src/main/java/com/pwc/calculatorv2/presentation/ui/widgets/BottomNav.kt
@@ -0,0 +1,32 @@
+package com.pwc.calculatorv2.presentation.ui.widgets
+
+import androidx.compose.runtime.Composable
+import androidx.compose.material.BottomNavigation
+import androidx.compose.material.Button
+import androidx.compose.material.Text
+import androidx.compose.material.TopAppBar
+import androidx.navigation.NavController
+import com.pwc.calculatorv2.presentation.navigation.AppScreens
+
+@Composable
+fun BottomNav(navController: NavController) {
+ BottomNavigation(
+
+ ) {
+ Button(onClick = {
+ navController.navigate(AppScreens.CalculatorScreen.route)
+ }) {
+ Text(text = "Calculator")
+ }
+ Button(onClick = {
+ navController.navigate(AppScreens.FunctionListScreen.route)
+ }) {
+ Text(text = "History")
+ }
+ Button(onClick = {
+ navController.navigate(AppScreens.WipeScreen.route)
+ }) {
+ Text(text = "Wipe")
+ }
+ }
+}
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/app/src/main/res/drawable-v24/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> \ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/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>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..6f3b755
--- /dev/null
+++ b/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> \ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..6f3b755
--- /dev/null
+++ b/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> \ No newline at end of file
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
new file mode 100644
index 0000000..c209e78
--- /dev/null
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..b2dfe3d
--- /dev/null
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
new file mode 100644
index 0000000..4f0f1d6
--- /dev/null
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..62b611d
--- /dev/null
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
new file mode 100644
index 0000000..948a307
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..1b9a695
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..28d4b77
--- /dev/null
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..9287f50
--- /dev/null
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 0000000..aa7d642
--- /dev/null
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
Binary files differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000..9126ae3
--- /dev/null
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
Binary files differ
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..f8c6127
--- /dev/null
+++ b/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> \ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..ecda9dc
--- /dev/null
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+ <string name="app_name">calculatorV2</string>
+</resources> \ No newline at end of file
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..ae54f44
--- /dev/null
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+ <style name="Theme.CalculatorV2" parent="android:Theme.Material.Light.NoActionBar" />
+</resources> \ No newline at end of file
diff --git a/app/src/main/res/xml/backup_rules.xml b/app/src/main/res/xml/backup_rules.xml
new file mode 100644
index 0000000..fa0f996
--- /dev/null
+++ b/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> \ No newline at end of file
diff --git a/app/src/main/res/xml/data_extraction_rules.xml b/app/src/main/res/xml/data_extraction_rules.xml
new file mode 100644
index 0000000..9ee9997
--- /dev/null
+++ b/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> \ No newline at end of file
diff --git a/app/src/test/java/com/pwc/calculatorv2/ExampleUnitTest.kt b/app/src/test/java/com/pwc/calculatorv2/ExampleUnitTest.kt
new file mode 100644
index 0000000..604cdee
--- /dev/null
+++ b/app/src/test/java/com/pwc/calculatorv2/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package com.pwc.calculatorv2
+
+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)
+ }
+} \ No newline at end of file
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..906770c
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,6 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+ id 'com.android.application' version '8.0.0' apply false
+ id 'com.android.library' version '8.0.0' apply false
+ id 'org.jetbrains.kotlin.android' version '1.7.20' apply false
+} \ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..3c5031e
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,23 @@
+# 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=-Xmx2048m -Dfile.encoding=UTF-8
+# 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
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true \ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..b35a740
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Fri Jul 07 09:35:12 WEST 2023
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000..4f906e0
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+## 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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+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 or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; 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=`expr $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"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..ac1b06f
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@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 Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@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="-Xmx64m" "-Xms64m"
+
+@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 execute
+
+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 execute
+
+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
+
+: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 %*
+
+: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
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..41501d3
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,16 @@
+pluginManagement {
+ repositories {
+ google()
+ mavenCentral()
+ gradlePluginPortal()
+ }
+}
+dependencyResolutionManagement {
+ repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+ repositories {
+ google()
+ mavenCentral()
+ }
+}
+rootProject.name = "calculatorV2"
+include ':app'