init

.gitignore

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+*.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

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'kotlin-kapt'
+    id 'kotlin-android-extensions'
+}
+
+android {
+    compileSdkVersion 29
+    defaultConfig {
+        applicationId "com.androiddevs.grocerylist"
+        minSdkVersion 16
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+
+    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'
+    }
+    namespace 'com.example.shoppinglist'
+}
+
+dependencies {
+
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+    def room_version = "2.2.1"
+    def kodein_version = "6.4.0"
+    def lifecycle_version = "2.0.0"
+
+    // Room and Architectural Components
+    implementation "androidx.room:room-runtime:$room_version"
+    implementation "androidx.legacy:legacy-support-v4:1.0.0"
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.1.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.1.0'
+    implementation "androidx.room:room-ktx:2.2.1"
+    kapt "androidx.room:room-compiler:$room_version"
+
+    // Coroutines
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.0'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.0"
+
+    // New Material Design
+    implementation "com.google.android.material:material:1.4.0"
+
+    // ViewModel
+    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
+    kapt "androidx.lifecycle:lifecycle-compiler:$lifecycle_version"
+
+    // Kodein
+    implementation "org.kodein.di:kodein-di-generic-jvm:$kodein_version"
+    implementation "org.kodein.di:kodein-di-framework-android-x:$kodein_version"
+
+    //Retrofit
+    implementation 'com.squareup.retrofit2:converter-gson:2.4.0'
+    //Gson
+    implementation 'com.google.code.gson:gson:2.8.5'
+}

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/example/shoppinglist/ExampleInstrumentedTest.kt

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+package com.example.shoppinglist
+
+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.example.shoppinglist", 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">
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.ShoppingList">
+        <activity
+            android:name=".DetailsActivity"
+            android:exported="false" />
+        <activity
+            android:name=".ShoppingListActivity"
+            android:exported="false" />
+        <activity android:name=".SplashActivity">
+            <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/example/shoppinglist/AddDialogListener.kt

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+package com.example.shoppinglist
+
+import com.example.shoppinglist.Data.ShoppingItem
+
+interface AddDialogListener {
+    fun onAddButtomClicked(item:ShoppingItem){
+
+    }
+}

app/src/main/java/com/example/shoppinglist/ApiInterface.kt

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+package com.example.shoppinglist
+
+
+import com.example.shoppinglist.Data.MoneyRate
+import retrofit2.Call
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+interface ApiInterface {
+
+    @GET("/latest")
+    fun getMoney() : Call<MoneyRate>
+}

app/src/main/java/com/example/shoppinglist/Data/MoneyRate.kt

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+package com.example.shoppinglist.Data
+
+data class MoneyRate(
+    val amount: Double,
+    val base: String,
+    val date: String,
+    val rates: Rates
+)

app/src/main/java/com/example/shoppinglist/Data/Rates.kt

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+package com.example.shoppinglist.Data
+
+data class Rates(
+    val AUD: Double,
+    val BGN: Double,
+    val BRL: Double,
+    val CAD: Double,
+    val CHF: Double,
+    val CNY: Double,
+    val CZK: Double,
+    val DKK: Double,
+    val GBP: Double,
+    val HKD: Double,
+    val HRK: Double,
+    val HUF: Double,
+    val IDR: Int,
+    val ILS: Double,
+    val INR: Double,
+    val ISK: Double,
+    val JPY: Double,
+    val KRW: Double,
+    val MXN: Double,
+    val MYR: Double,
+    val NOK: Double,
+    val NZD: Double,
+    val PHP: Double,
+    val PLN: Double,
+    val RON: Double,
+    val RUB: Double,
+    val SEK: Double,
+    val SGD: Double,
+    val THB: Double,
+    val TRY: Double,
+    val USD: Double,
+    val ZAR: Double
+)

app/src/main/java/com/example/shoppinglist/Data/ShoppingDAO.kt

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+package com.example.shoppinglist.Data
+
+import androidx.lifecycle.LiveData
+import androidx.room.*
+
+
+@Dao
+interface ShoppingDAO {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE) // insert and update
+    fun upsert(item:ShoppingItem)
+
+    @Delete
+    fun delete(item: ShoppingItem)
+
+    @Query("SELECT * FROM shopping_items")
+    fun getAllItems(): LiveData<List<ShoppingItem>>
+
+    @Query("DELETE FROM shopping_items")
+     fun deleteAll()
+}

app/src/main/java/com/example/shoppinglist/Data/ShoppingItem.kt

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+package com.example.shoppinglist.Data
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+
+
+@Entity(tableName = "shopping_items")
+data class ShoppingItem(
+    @ColumnInfo(name = "category") var category: String,
+    @ColumnInfo(name = "name") var name: String,
+    @ColumnInfo(name = "description") var description: String,
+    @ColumnInfo(name = "price") var price: Float,
+    @ColumnInfo(name = "status") var status: Boolean,
+){
+    @PrimaryKey(autoGenerate = true) var itemId : Long?=null
+}
+

app/src/main/java/com/example/shoppinglist/Data/ShoppingListDataBase.kt

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+package com.example.shoppinglist.Data
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import java.security.AccessControlContext
+
+@Database(entities = arrayOf(ShoppingItem::class),version = 1)
+abstract class ShoppingListDataBase: RoomDatabase () {
+
+    abstract fun ShoppingDao(): ShoppingDAO
+
+    companion object{
+        @Volatile
+        private var instance: ShoppingListDataBase? = null
+        private var lock = Any()
+
+        operator fun invoke(context: Context) = instance ?: synchronized(lock){ // check if the instance is null, if it is null
+            instance?: createDatabase(context).also { instance = it}              // create a database.
+        }
+
+
+        private fun createDatabase(context: Context) =
+            Room.databaseBuilder(context.applicationContext,
+            ShoppingListDataBase::class.java,"ShoppingList.db").build()
+    }
+}