Initial Project Setup and Room Database

app/build.gradle

@@ -1,6 +1,9 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
+apply plugin: "androidx.navigation.safeargs.kotlin"
+apply plugin: 'dagger.hilt.android.plugin'
 
 android {
     compileSdkVersion 29
@@ -22,6 +25,14 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+    }
 }
 
 dependencies {
@@ -30,8 +41,77 @@ dependencies {
     implementation 'androidx.core:core-ktx:1.3.1'
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    testImplementation 'junit:junit:4.12'
+
+    // Material Design
+    implementation 'com.google.android.material:material:1.3.0-alpha02'
+
+    // Architectural Components
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0"
+
+    // Lifecycle
+    implementation "androidx.lifecycle:lifecycle-extensions:2.2.0"
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.2.0"
+    implementation "androidx.lifecycle:lifecycle-runtime:2.2.0"
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.2.0"
+
+    // Room
+    implementation "androidx.room:room-runtime:2.2.5"
+    kapt "androidx.room:room-compiler:2.2.5"
+
+    // Kotlin Extensions and Coroutines support for Room
+    implementation "androidx.room:room-ktx:2.2.5"
+
+    // Retrofit
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
+
+    // Coroutines
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.5'
+
+    // Coroutine Lifecycle Scopes
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0"
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.2.0"
+
+    // Navigation Components
+    implementation "androidx.navigation:navigation-fragment-ktx:2.3.0"
+    implementation "androidx.navigation:navigation-ui-ktx:2.3.0"
+
+    // Glide
+    implementation 'com.github.bumptech.glide:glide:4.11.0'
+    kapt 'com.github.bumptech.glide:compiler:4.11.0'
+
+    // Activity KTX for viewModels()
+    implementation "androidx.activity:activity-ktx:1.1.0"
+
+    //Dagger - Hilt
+    implementation "com.google.dagger:hilt-android:2.28-alpha"
+    kapt "com.google.dagger:hilt-android-compiler:2.28-alpha"
+
+    implementation "androidx.hilt:hilt-lifecycle-viewmodel:1.0.0-alpha02"
+    kapt "androidx.hilt:hilt-compiler:1.0.0-alpha02"
+
+    // Timber
+    implementation 'com.jakewharton.timber:timber:4.7.1'
+
+    // Local Unit Tests
+    implementation "androidx.test:core:1.2.0"
+    testImplementation "junit:junit:4.13"
+    testImplementation "org.hamcrest:hamcrest-all:1.3"
+    testImplementation "androidx.arch.core:core-testing:2.1.0"
+    testImplementation "org.robolectric:robolectric:4.3.1"
+    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.2.1"
+    testImplementation "com.google.truth:truth:1.0.1"
+    testImplementation "org.mockito:mockito-core:2.21.0"
+
+    // Instrumented Unit Tests
+    androidTestImplementation "junit:junit:4.13"
+    androidTestImplementation "com.linkedin.dexmaker:dexmaker-mockito:2.12.1"
+    androidTestImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.2.1"
+    androidTestImplementation "androidx.arch.core:core-testing:2.1.0"
+    androidTestImplementation "com.google.truth:truth:1.0.1"
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation "org.mockito:mockito-core:2.21.0"
 
 }

app/src/main/java/com/androiddevs/shoppinglisttestingyt/data/local/ShoppingDao.kt

@@ -0,0 +1,20 @@
+package com.androiddevs.shoppinglisttestingyt.data.local
+
+import androidx.lifecycle.LiveData
+import androidx.room.*
+
+@Dao
+interface ShoppingDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertShoppingItem(shoppingItem: ShoppingItem)
+
+    @Delete
+    suspend fun deleteShoppingItem(shoppingItem: ShoppingItem)
+
+    @Query("SELECT * FROM shopping_items")
+    fun observeAllShoppingItems(): LiveData<List<ShoppingItem>>
+
+    @Query("SELECT SUM(price * amount) FROM shopping_items")
+    fun observeTotalPrice(): LiveData<Float>
+}

app/src/main/java/com/androiddevs/shoppinglisttestingyt/data/local/ShoppingItem.kt

@@ -0,0 +1,14 @@
+package com.androiddevs.shoppinglisttestingyt.data.local
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "shopping_items")
+data class ShoppingItem(
+    var name: String,
+    var amount: Int,
+    var price: Float,
+    var imageUrl: String,
+    @PrimaryKey(autoGenerate = true)
+    val id: Int? = null
+)

app/src/main/java/com/androiddevs/shoppinglisttestingyt/data/local/ShoppingItemDatabase.kt

@@ -0,0 +1,13 @@
+package com.androiddevs.shoppinglisttestingyt.data.local
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+
+@Database(
+    entities = [ShoppingItem::class],
+    version = 1
+)
+abstract class ShoppingItemDatabase : RoomDatabase() {
+
+    abstract fun shoppingDao(): ShoppingDao
+}

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

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
+</vector>

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

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M21,19V5c0,-1.1 -0.9,-2 -2,-2H5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2zM8.5,13.5l2.5,3.01L14.5,12l4.5,6H5l3.5,-4.5z"/>
+</vector>

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

@@ -1,18 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/rootLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+    <fragment
+        android:id="@+id/navHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</FrameLayout>

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

@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/ivShoppingImage"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:layout_margin="16dp"
+        android:src="@drawable/ic_image"
+        android:scaleType="centerCrop"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/textInputLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:hint="Name"
+        app:layout_constraintBottom_toBottomOf="@+id/ivShoppingImage"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/ivShoppingImage"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/etShoppingItemName"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:inputType="textAutoComplete" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/textInputLayout3"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:hint="Amount"
+        app:layout_constraintEnd_toStartOf="@+id/textInputLayout2"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/ivShoppingImage">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/etShoppingItemAmount"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:inputType="number"/>
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/textInputLayout2"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:hint="Price per Item"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/textInputLayout3"
+        app:layout_constraintTop_toBottomOf="@+id/ivShoppingImage">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/etShoppingItemPrice"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:inputType="numberDecimal" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btnAddShoppingItem"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:layout_marginRight="16dp"
+        android:text="Add"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/textInputLayout2"
+        app:layout_constraintTop_toBottomOf="@+id/textInputLayout2" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/textInputLayout4"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:hint="Search for Images..."
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/etSearch"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rvImages"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_margin="16dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textInputLayout4" />
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>