diff --git a/labs/Lab7_Firebase/.gitignore b/labs/Lab7_Firebase/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..603b14077394cd2294ac6922fe619669630ef3ab
--- /dev/null
+++ b/labs/Lab7_Firebase/.gitignore
@@ -0,0 +1,14 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
diff --git a/labs/Lab7_Firebase/.idea/.name b/labs/Lab7_Firebase/.idea/.name
new file mode 100644
index 0000000000000000000000000000000000000000..a25cba57d101f6d204742eaf6f64fb1dc5283669
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/.name
@@ -0,0 +1 @@
+Lab7-Firebase
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/.idea/codeStyles/Project.xml b/labs/Lab7_Firebase/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3cc336b9349299395940823dfc3e3725bc394c07
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/codeStyles/Project.xml
@@ -0,0 +1,138 @@
+<component name="ProjectCodeStyleConfiguration">
+ <code_scheme name="Project" version="173">
+ <JetCodeStyleSettings>
+ <option name="PACKAGES_TO_USE_STAR_IMPORTS">
+ <value>
+ <package name="java.util" alias="false" withSubpackages="false" />
+ <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
+ <package name="io.ktor" alias="false" withSubpackages="true" />
+ </value>
+ </option>
+ <option name="PACKAGES_IMPORT_LAYOUT">
+ <value>
+ <package name="" alias="false" withSubpackages="true" />
+ <package name="java" alias="false" withSubpackages="true" />
+ <package name="javax" alias="false" withSubpackages="true" />
+ <package name="kotlin" alias="false" withSubpackages="true" />
+ <package name="" alias="true" withSubpackages="true" />
+ </value>
+ </option>
+ <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+ </JetCodeStyleSettings>
+ <codeStyleSettings language="XML">
+ <indentOptions>
+ <option name="CONTINUATION_INDENT_SIZE" value="4" />
+ </indentOptions>
+ <arrangement>
+ <rules>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>xmlns:android</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>^$</XML_NAMESPACE>
+ </AND>
+ </match>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>xmlns:.*</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>^$</XML_NAMESPACE>
+ </AND>
+ </match>
+ <order>BY_NAME</order>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>.*:id</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+ </AND>
+ </match>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>.*:name</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+ </AND>
+ </match>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>name</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>^$</XML_NAMESPACE>
+ </AND>
+ </match>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>style</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>^$</XML_NAMESPACE>
+ </AND>
+ </match>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>.*</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>^$</XML_NAMESPACE>
+ </AND>
+ </match>
+ <order>BY_NAME</order>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>.*</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+ </AND>
+ </match>
+ <order>ANDROID_ATTRIBUTE_ORDER</order>
+ </rule>
+ </section>
+ <section>
+ <rule>
+ <match>
+ <AND>
+ <NAME>.*</NAME>
+ <XML_ATTRIBUTE />
+ <XML_NAMESPACE>.*</XML_NAMESPACE>
+ </AND>
+ </match>
+ <order>BY_NAME</order>
+ </rule>
+ </section>
+ </rules>
+ </arrangement>
+ </codeStyleSettings>
+ <codeStyleSettings language="kotlin">
+ <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+ </codeStyleSettings>
+ </code_scheme>
+</component>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/.idea/codeStyles/codeStyleConfig.xml b/labs/Lab7_Firebase/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000000000000000000000000000000000000..79ee123c2b23e069e35ed634d687e17f731cc702
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+ <state>
+ <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+ </state>
+</component>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/.idea/gradle.xml b/labs/Lab7_Firebase/.idea/gradle.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5cd135a064522bbb757161b1eee5a7d65de1989e
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/gradle.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="GradleMigrationSettings" migrationVersion="1" />
+ <component name="GradleSettings">
+ <option name="linkedExternalProjectsSettings">
+ <GradleProjectSettings>
+ <option name="testRunner" value="PLATFORM" />
+ <option name="distributionType" value="DEFAULT_WRAPPED" />
+ <option name="externalProjectPath" value="$PROJECT_DIR$" />
+ <option name="modules">
+ <set>
+ <option value="$PROJECT_DIR$" />
+ <option value="$PROJECT_DIR$/app" />
+ </set>
+ </option>
+ <option name="resolveModulePerSourceSet" value="false" />
+ </GradleProjectSettings>
+ </option>
+ </component>
+</project>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/.idea/jarRepositories.xml b/labs/Lab7_Firebase/.idea/jarRepositories.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e34606ccde7a9d4b04ae93b6d8a8a158820381de
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/jarRepositories.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="RemoteRepositoriesConfiguration">
+ <remote-repository>
+ <option name="id" value="central" />
+ <option name="name" value="Maven Central repository" />
+ <option name="url" value="https://repo1.maven.org/maven2" />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="jboss.community" />
+ <option name="name" value="JBoss Community repository" />
+ <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="BintrayJCenter" />
+ <option name="name" value="BintrayJCenter" />
+ <option name="url" value="https://jcenter.bintray.com/" />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="Google" />
+ <option name="name" value="Google" />
+ <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="MavenRepo" />
+ <option name="name" value="MavenRepo" />
+ <option name="url" value="https://repo.maven.apache.org/maven2/" />
+ </remote-repository>
+ </component>
+</project>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/.idea/misc.xml b/labs/Lab7_Firebase/.idea/misc.xml
new file mode 100644
index 0000000000000000000000000000000000000000..37a750962da6f2b31810e85c8acae1081de7f58c
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/misc.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+ <output url="file://$PROJECT_DIR$/build/classes" />
+ </component>
+ <component name="ProjectType">
+ <option name="id" value="Android" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/.idea/runConfigurations.xml b/labs/Lab7_Firebase/.idea/runConfigurations.xml
new file mode 100644
index 0000000000000000000000000000000000000000..7f68460d8b38ac04e3a3224d7c79ef719b1991a9
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="RunConfigurationProducerService">
+ <option name="ignoredProducers">
+ <set>
+ <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+ <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+ <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+ </set>
+ </option>
+ </component>
+</project>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/.idea/vcs.xml b/labs/Lab7_Firebase/.idea/vcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6c0b8635858dc7ad44b93df54b762707ce49eefc
--- /dev/null
+++ b/labs/Lab7_Firebase/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="VcsDirectoryMappings">
+ <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/Lab7_Firebase.pdf b/labs/Lab7_Firebase/Lab7_Firebase.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9edd03fb7fa2ef67c0a9f01a22af0357e8212b1c
Binary files /dev/null and b/labs/Lab7_Firebase/Lab7_Firebase.pdf differ
diff --git a/labs/Lab7_Firebase/Lab7_walkthrough.mp4 b/labs/Lab7_Firebase/Lab7_walkthrough.mp4
new file mode 100644
index 0000000000000000000000000000000000000000..6a06480aa0ea7b6b54323c24feedb421cd5144c0
Binary files /dev/null and b/labs/Lab7_Firebase/Lab7_walkthrough.mp4 differ
diff --git a/labs/Lab7_Firebase/app/.gitignore b/labs/Lab7_Firebase/app/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..796b96d1c402326528b4ba3c12ee9d92d0e212e9
--- /dev/null
+++ b/labs/Lab7_Firebase/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/labs/Lab7_Firebase/app/build.gradle b/labs/Lab7_Firebase/app/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..09213f7d6e182e858f7d6e1b99c1baee5a2a8ce6
--- /dev/null
+++ b/labs/Lab7_Firebase/app/build.gradle
@@ -0,0 +1,38 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'com.google.gms.google-services'
+
+android {
+ compileSdkVersion 30
+ defaultConfig {
+ applicationId "com.example.lab7_firebase"
+ minSdkVersion 26
+ targetSdkVersion 30
+ versionCode 1
+ versionName "1.0"
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+ }
+ }
+}
+
+dependencies {
+ implementation fileTree(dir: 'libs', include: ['*.jar'])
+ implementation 'androidx.appcompat:appcompat:1.2.0'
+ implementation 'androidx.constraintlayout:constraintlayout:2.0.2'
+ implementation 'com.google.firebase:firebase-auth:19.4.0'
+ implementation 'com.google.firebase:firebase-database:19.5.0'
+ testImplementation 'junit:junit:4.13'
+ androidTestImplementation 'androidx.test:runner:1.3.0'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+ implementation "androidx.core:core-ktx:1.3.2"
+ implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}
+repositories {
+ mavenCentral()
+}
diff --git a/labs/Lab7_Firebase/app/google-services.json b/labs/Lab7_Firebase/app/google-services.json
new file mode 100644
index 0000000000000000000000000000000000000000..217f261046447225239e7e37b357b9a63f3249fd
--- /dev/null
+++ b/labs/Lab7_Firebase/app/google-services.json
@@ -0,0 +1,77 @@
+{
+ "project_info": {
+ "project_number": "29102789333",
+ "firebase_url": "https://myhomelibrary-838ac.firebaseio.com",
+ "project_id": "myhomelibrary-838ac",
+ "storage_bucket": "myhomelibrary-838ac.appspot.com"
+ },
+ "client": [
+ {
+ "client_info": {
+ "mobilesdk_app_id": "1:29102789333:android:b8df690b5bb5063d94085c",
+ "android_client_info": {
+ "package_name": "com.example.lab7_firebase"
+ }
+ },
+ "oauth_client": [
+ {
+ "client_id": "29102789333-b0jc7do4lghpm5oo3panm8rgcqrco9at.apps.googleusercontent.com",
+ "client_type": 3
+ }
+ ],
+ "api_key": [
+ {
+ "current_key": "AIzaSyCYVtTDVxur-80vXj37SRHPAvhQeSX8L6U"
+ }
+ ],
+ "services": {
+ "appinvite_service": {
+ "other_platform_oauth_client": [
+ {
+ "client_id": "29102789333-b0jc7do4lghpm5oo3panm8rgcqrco9at.apps.googleusercontent.com",
+ "client_type": 3
+ }
+ ]
+ }
+ }
+ },
+ {
+ "client_info": {
+ "mobilesdk_app_id": "1:29102789333:android:7f079efdba385b39",
+ "android_client_info": {
+ "package_name": "com.example.tesla.myhomelibrary"
+ }
+ },
+ "oauth_client": [
+ {
+ "client_id": "29102789333-lifqn2quqbnlo19aieom1gmfteqij6ds.apps.googleusercontent.com",
+ "client_type": 1,
+ "android_info": {
+ "package_name": "com.example.tesla.myhomelibrary",
+ "certificate_hash": "072259d7f3e54982791790117fdd745fd884baf0"
+ }
+ },
+ {
+ "client_id": "29102789333-b0jc7do4lghpm5oo3panm8rgcqrco9at.apps.googleusercontent.com",
+ "client_type": 3
+ }
+ ],
+ "api_key": [
+ {
+ "current_key": "AIzaSyCYVtTDVxur-80vXj37SRHPAvhQeSX8L6U"
+ }
+ ],
+ "services": {
+ "appinvite_service": {
+ "other_platform_oauth_client": [
+ {
+ "client_id": "29102789333-b0jc7do4lghpm5oo3panm8rgcqrco9at.apps.googleusercontent.com",
+ "client_type": 3
+ }
+ ]
+ }
+ }
+ }
+ ],
+ "configuration_version": "1"
+}
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/proguard-rules.pro b/labs/Lab7_Firebase/app/proguard-rules.pro
new file mode 100644
index 0000000000000000000000000000000000000000..f1b424510da51fd82143bc74a0a801ae5a1e2fcd
--- /dev/null
+++ b/labs/Lab7_Firebase/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
diff --git a/labs/Lab7_Firebase/app/src/androidTest/java/com/example/lab7_firebase/TestValidation.kt b/labs/Lab7_Firebase/app/src/androidTest/java/com/example/lab7_firebase/TestValidation.kt
new file mode 100644
index 0000000000000000000000000000000000000000..f70d1f958860ee914f310423e55c2fc9b80c4ba3
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/androidTest/java/com/example/lab7_firebase/TestValidation.kt
@@ -0,0 +1,7 @@
+package com.example.lab7_firebase
+
+class TestValidation {
+ // TODO: Test passwords
+ // Add two tests for a valid password
+ // Add two tests for an invalid password
+}
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/AndroidManifest.xml b/labs/Lab7_Firebase/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e898fc5c22cdd2c1a8e7881bff2ba2cacbeb6c6d
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/AndroidManifest.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ package="com.example.lab7_firebase">
+
+ <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/AppTheme"
+ tools:ignore="AllowBackup">
+ <activity android:name="com.example.lab7_firebase.MainActivity">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ <activity android:name="com.example.lab7_firebase.LoginActivity" />
+ <activity android:name="com.example.lab7_firebase.RegistrationActivity" />
+ <activity android:name="com.example.lab7_firebase.DashboardActivity" />
+ <activity android:name="com.example.lab7_firebase.AuthorActivity" />
+ </application>
+
+</manifest>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Author.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Author.kt
new file mode 100644
index 0000000000000000000000000000000000000000..0efed7789a9ca8d8ca9a058b775e9629203b2290
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Author.kt
@@ -0,0 +1,3 @@
+package com.example.lab7_firebase
+
+data class Author (val authorId: String ="", val authorName: String = "", val authorCountry: String = "")
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/AuthorActivity.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/AuthorActivity.kt
new file mode 100644
index 0000000000000000000000000000000000000000..5278e08ffd72a6208e516028e151a9f82b1b9daf
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/AuthorActivity.kt
@@ -0,0 +1,115 @@
+package com.example.lab7_firebase
+
+import android.os.Bundle
+import android.text.TextUtils
+import android.util.Log
+import android.view.View
+import android.widget.*
+import androidx.appcompat.app.AppCompatActivity
+import com.google.firebase.database.*
+import java.lang.Exception
+import java.util.*
+
+class AuthorActivity : AppCompatActivity() {
+ private lateinit var buttonAddTitle: Button
+ private lateinit var editTextTitleName: EditText
+ private lateinit var seekBarRating: SeekBar
+ internal lateinit var textViewRating: TextView
+ private lateinit var textViewAuthor: TextView
+ internal lateinit var listViewTitles: ListView
+
+ private lateinit var databaseTitles: DatabaseReference
+
+ internal lateinit var titles: MutableList<Title>
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_author)
+
+ val intent = intent
+
+ /*
+ * this line is important
+ * this time we are not getting the reference of a direct node
+ * but inside the node track we are creating a new child with the author id
+ * and inside that node we will store all the titles with unique ids
+ * */
+ databaseTitles = FirebaseDatabase.getInstance().getReference("titles").child(intent.getStringExtra(
+ AUTHOR_ID
+ )!!)
+
+ buttonAddTitle = findViewById<View>(R.id.buttonAddTitle) as Button
+ editTextTitleName = findViewById<View>(R.id.editTextName) as EditText
+ seekBarRating = findViewById<View>(R.id.seekBarRating) as SeekBar
+ textViewRating = findViewById<View>(R.id.textViewRating) as TextView
+ textViewAuthor = findViewById<View>(R.id.textViewAuthor) as TextView
+ listViewTitles = findViewById<View>(R.id.listViewTitles) as ListView
+
+ titles = ArrayList()
+
+ textViewAuthor.text = intent.getStringExtra(AUTHOR_NAME)
+
+ seekBarRating.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+ override fun onProgressChanged(seekBar: SeekBar, i: Int, b: Boolean) {
+ textViewRating.text = i.toString()
+ }
+
+ override fun onStartTrackingTouch(seekBar: SeekBar) {
+ // do nothing
+ }
+
+ override fun onStopTrackingTouch(seekBar: SeekBar) {
+ // do nothing
+ }
+ })
+
+ buttonAddTitle.setOnClickListener { saveTitle() }
+ }
+
+ override fun onStart() {
+ super.onStart()
+
+ databaseTitles.addValueEventListener(object : ValueEventListener {
+ override fun onDataChange(dataSnapshot: DataSnapshot) {
+ titles.clear()
+
+ var title: Title? = null
+ for (postSnapshot in dataSnapshot.children) {
+ try {
+ title = postSnapshot.getValue(Title::class.java)
+ } catch (e: Exception) {
+ Log.e(TAG, e.toString())
+ } finally {
+ titles.add(title!!)
+ }
+ }
+ val titleListAdapter = TitleList(this@AuthorActivity, titles)
+ listViewTitles.adapter = titleListAdapter
+ }
+
+ override fun onCancelled(databaseError: DatabaseError) {
+ // do nothing
+ }
+ })
+ }
+
+ private fun saveTitle() {
+ val titleName = editTextTitleName.text.toString().trim { it <= ' ' }
+ val rating = seekBarRating.progress
+ if (!TextUtils.isEmpty(titleName)) {
+ val id = (databaseTitles.push()).key.toString()
+ val title = Title(id, titleName, rating)
+ databaseTitles.child(id).setValue(title)
+ Toast.makeText(this, "Title saved", Toast.LENGTH_LONG).show()
+ editTextTitleName.setText("")
+ } else {
+ Toast.makeText(this, "Please enter title name", Toast.LENGTH_LONG).show()
+ }
+ }
+
+ companion object {
+ const val TAG = "Lab-Firebase"
+ const val AUTHOR_NAME = "com.example.tesla.myhomelibrary.authorname"
+ const val AUTHOR_ID = "com.example.tesla.myhomelibrary.authorid"
+ }
+}
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/AuthorList.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/AuthorList.kt
new file mode 100644
index 0000000000000000000000000000000000000000..64084c4e13f03a6c1baa75503dbcc012041fdcb6
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/AuthorList.kt
@@ -0,0 +1,28 @@
+package com.example.lab7_firebase
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.TextView
+
+
+class AuthorList(private val context: Activity, private var authors: List<Author>) : ArrayAdapter<Author>(context,
+ R.layout.layout_author_list, authors) {
+
+ @SuppressLint("InflateParams", "ViewHolder")
+ override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
+ val inflater = context.layoutInflater
+ val listViewItem = inflater.inflate(R.layout.layout_author_list, null, true)
+
+ val textViewName = listViewItem.findViewById<View>(R.id.textViewName) as TextView
+ val textViewCountry = listViewItem.findViewById<View>(R.id.textViewCountry) as TextView
+
+ val author = authors[position]
+ textViewName.text = author.authorName
+ textViewCountry.text = author.authorCountry
+
+ return listViewItem
+ }
+}
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/DashboardActivity.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/DashboardActivity.kt
new file mode 100644
index 0000000000000000000000000000000000000000..a9609701e93462c398a9304b94077b035a5cf9c3
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/DashboardActivity.kt
@@ -0,0 +1,145 @@
+package com.example.lab7_firebase
+
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.widget.*
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import com.google.firebase.database.*
+import java.lang.Exception
+import java.util.*
+
+class DashboardActivity : AppCompatActivity() {
+
+ private lateinit var editTextName: EditText
+ private lateinit var spinnerCountry: Spinner
+ private lateinit var buttonAddAuthor: Button
+ internal lateinit var listViewAuthors: ListView
+
+ internal lateinit var authors: MutableList<Author>
+
+ private lateinit var databaseAuthors: DatabaseReference
+
+ private lateinit var uid: String
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_dashboard)
+
+ //getting the reference of artists node
+ databaseAuthors = FirebaseDatabase.getInstance().getReference("authors")
+
+ editTextName = findViewById<View>(R.id.editTextName) as EditText
+ spinnerCountry = findViewById<View>(R.id.spinnerCountry) as Spinner
+ listViewAuthors = findViewById<View>(R.id.listViewAuthors) as ListView
+ buttonAddAuthor = findViewById<View>(R.id.buttonAddAuthor) as Button
+
+ authors = ArrayList()
+ uid = intent.getStringExtra(USER_ID)!!
+
+ buttonAddAuthor.setOnClickListener {
+ addAuthor()
+ }
+
+ //attaching listener to ListView
+ listViewAuthors.onItemClickListener = AdapterView.OnItemClickListener { adapterView, view, i, l ->
+ //getting the selected artist
+ val author = authors[i]
+
+ //creating an intent
+ val intent = Intent(applicationContext, AuthorActivity::class.java)
+
+ intent.putExtra(AUTHOR_ID, author.authorId)
+ intent.putExtra(AUTHOR_NAME, author.authorName)
+ intent.putExtra(USER_ID, USER_ID)
+ startActivity(intent)
+ }
+
+ listViewAuthors.onItemLongClickListener = AdapterView.OnItemLongClickListener { adapterView, view, i, l ->
+ val author = authors[i]
+ showUpdateDeleteDialog(author.authorId, author.authorName)
+ true
+ }
+ }
+
+ private fun showUpdateDeleteDialog(authorId: String, authorName: String) {
+
+ val dialogBuilder = AlertDialog.Builder(this)
+ val inflater = layoutInflater
+ val dialogView = inflater.inflate(R.layout.update_dialog, null)
+ dialogBuilder.setView(dialogView)
+
+ val editTextName = dialogView.findViewById<View>(R.id.editTextName) as EditText
+ val spinnerCountry = dialogView.findViewById<View>(R.id.spinnerCountry) as Spinner
+ val buttonUpdate = dialogView.findViewById<View>(R.id.buttonUpdateAuthor) as Button
+ val buttonDelete = dialogView.findViewById<View>(R.id.buttonDeleteAuthor) as Button
+
+ dialogBuilder.setTitle(authorName)
+ val b = dialogBuilder.create()
+ b.show()
+
+ // TODO: Set update listener
+ buttonUpdate.setOnClickListener {
+
+ }
+
+ // TODO: Set delete listener
+ buttonDelete.setOnClickListener {
+
+ }
+ }
+
+ // TODO: Add an author
+ private fun addAuthor() {
+
+ }
+
+ // TODO: Update an author
+ private fun updateAuthor(id: String, uid: String, name: String, country: String): Boolean {
+
+ return true
+ }
+
+ // TODO: Delete an author
+ private fun deleteAuthor(id: String): Boolean {
+
+ return true
+ }
+
+ override fun onStart() {
+ super.onStart()
+
+ databaseAuthors.addValueEventListener(object : ValueEventListener {
+ override fun onDataChange(dataSnapshot: DataSnapshot) {
+ authors.clear()
+
+ var author: Author? = null
+ for (postSnapshot in dataSnapshot.child(uid).children) {
+ try {
+ author = postSnapshot.getValue(Author::class.java)
+ } catch (e: Exception) {
+ Log.e(TAG, e.toString())
+ } finally {
+ authors.add(author!!)
+ }
+ }
+
+ val authorAdapter = AuthorList(this@DashboardActivity, authors)
+ listViewAuthors.adapter = authorAdapter
+ }
+
+ override fun onCancelled(databaseError: DatabaseError) {
+
+ }
+ })
+ }
+
+ companion object {
+ const val TAG = "Lab-Firebase"
+ const val AUTHOR_NAME = "com.example.tesla.myhomelibrary.authorname"
+ const val AUTHOR_ID = "com.example.tesla.myhomelibrary.authorid"
+ const val USER_ID = "com.example.tesla.myhomelibrary.userid"
+ }
+}
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/LoginActivity.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/LoginActivity.kt
new file mode 100644
index 0000000000000000000000000000000000000000..03980c3c1d4ce63c9b63569527a787953a0c9256
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/LoginActivity.kt
@@ -0,0 +1,48 @@
+package com.example.lab7_firebase
+
+import android.os.Bundle
+import android.widget.Button
+import android.widget.EditText
+import android.widget.ProgressBar
+import androidx.appcompat.app.AppCompatActivity
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.database.DatabaseReference
+import com.google.firebase.database.FirebaseDatabase
+
+class LoginActivity : AppCompatActivity() {
+ private var mDatabaseReference: DatabaseReference? = null
+ private var mDatabase: FirebaseDatabase? = null
+ private var userEmail: EditText? = null
+ private var userPassword: EditText? = null
+ private var loginBtn: Button? = null
+ private var progressBar: ProgressBar? = null
+
+ private var mAuth: FirebaseAuth? = null
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_login)
+
+ mDatabase = FirebaseDatabase.getInstance()
+ mDatabaseReference = mDatabase!!.reference.child("Users")
+ mAuth = FirebaseAuth.getInstance()
+
+ userEmail = findViewById(R.id.email)
+ userPassword = findViewById(R.id.password)
+ loginBtn = findViewById(R.id.login)
+ progressBar = findViewById(R.id.progressBar)
+
+ loginBtn!!.setOnClickListener { loginUserAccount() }
+ }
+
+ // TODO: Allow the user to log into their account
+ // If the email and password are not empty, try to log in
+ // If the login is successful, store info into intent and launch DashboardActivity
+ private fun loginUserAccount() {
+
+ }
+
+ companion object {
+ const val USER_EMAIL = "com.example.tesla.myhomelibrary.useremail"
+ const val USER_ID = "com.example.tesla.myhomelibrary.userid"
+ }
+}
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/MainActivity.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/MainActivity.kt
new file mode 100644
index 0000000000000000000000000000000000000000..c713fdf32005162baefaa6b3afa8f0df02ee6ad2
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/MainActivity.kt
@@ -0,0 +1,32 @@
+package com.example.lab7_firebase
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import androidx.appcompat.app.AppCompatActivity
+
+class MainActivity : AppCompatActivity() {
+
+ private var registerBtn: Button? = null
+ private var loginBtn: Button? = null
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_main)
+
+ initializeViews()
+
+ registerBtn!!.setOnClickListener {
+ val intent = Intent(this@MainActivity, RegistrationActivity::class.java)
+ startActivity(intent)
+ }
+ loginBtn!!.setOnClickListener {
+ val intent = Intent(this@MainActivity, LoginActivity::class.java)
+ startActivity(intent)
+ }
+ }
+
+ private fun initializeViews() {
+ registerBtn = findViewById(R.id.register)
+ loginBtn = findViewById(R.id.login)
+ }
+}
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/RegistrationActivity.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/RegistrationActivity.kt
new file mode 100644
index 0000000000000000000000000000000000000000..c9b11fd4ebec1e082d434c259f8077c58906ef5d
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/RegistrationActivity.kt
@@ -0,0 +1,65 @@
+package com.example.lab7_firebase
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import android.widget.ProgressBar
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.google.firebase.auth.FirebaseAuth
+
+class RegistrationActivity : AppCompatActivity() {
+
+ private var emailTV: EditText? = null
+ private var passwordTV: EditText? = null
+ private var regBtn: Button? = null
+ private var progressBar: ProgressBar? = null
+ private var validator = Validators()
+
+ private var mAuth: FirebaseAuth? = null
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_registration)
+
+ mAuth = FirebaseAuth.getInstance()
+
+ emailTV = findViewById(R.id.email)
+ passwordTV = findViewById(R.id.password)
+ regBtn = findViewById(R.id.register)
+ progressBar = findViewById(R.id.progressBar)
+
+ regBtn!!.setOnClickListener { registerNewUser() }
+ }
+
+ private fun registerNewUser() {
+ progressBar!!.visibility = View.VISIBLE
+
+ val email: String = emailTV!!.text.toString()
+ val password: String = passwordTV!!.text.toString()
+
+ if (!validator.validEmail(email)) {
+ Toast.makeText(applicationContext, "Please enter a valid email...", Toast.LENGTH_LONG).show()
+ return
+ }
+ if (!validator.validPassword(password)) {
+ Toast.makeText(applicationContext, "Please enter a valid password!", Toast.LENGTH_LONG).show()
+ return
+ }
+
+ mAuth!!.createUserWithEmailAndPassword(email, password)
+ .addOnCompleteListener { task ->
+ if (task.isSuccessful) {
+ Toast.makeText(applicationContext, "Registration successful!", Toast.LENGTH_LONG).show()
+ progressBar!!.visibility = View.GONE
+
+ val intent = Intent(this@RegistrationActivity, LoginActivity::class.java)
+ startActivity(intent)
+ } else {
+ Toast.makeText(applicationContext, "Registration failed! Please try again later", Toast.LENGTH_LONG).show()
+ progressBar!!.visibility = View.GONE
+ }
+ }
+ }
+}
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Title.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Title.kt
new file mode 100644
index 0000000000000000000000000000000000000000..4cdb09ff3c32bac6c01e650574ed33ce8827907c
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Title.kt
@@ -0,0 +1,3 @@
+package com.example.lab7_firebase
+
+data class Title (val id: String = "", val titleName: String = "", val rating: Int = 0)
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/TitleList.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/TitleList.kt
new file mode 100644
index 0000000000000000000000000000000000000000..6d8d2620468ab4e8df97df636811a3daced5dcd4
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/TitleList.kt
@@ -0,0 +1,27 @@
+package com.example.lab7_firebase
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.TextView
+
+class TitleList(private val context: Activity, private var titles: List<Title>) : ArrayAdapter<Title>(context,
+ R.layout.layout_author_list, titles) {
+
+ @SuppressLint("InflateParams", "ViewHolder")
+ override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
+ val inflater = context.layoutInflater
+ val listViewItem = inflater.inflate(R.layout.layout_author_list, null, true)
+
+ val textViewName = listViewItem.findViewById<View>(R.id.textViewName) as TextView
+ val textViewRating = listViewItem.findViewById<View>(R.id.textViewCountry) as TextView
+
+ val title = titles[position]
+ textViewName.text = title.titleName
+ textViewRating.text = title.rating.toString()
+
+ return listViewItem
+ }
+}
diff --git a/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Validators.kt b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Validators.kt
new file mode 100644
index 0000000000000000000000000000000000000000..f8272e040ef490a9577903baa1dd6923cb7df6b0
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/java/com/example/lab7_firebase/Validators.kt
@@ -0,0 +1,26 @@
+package com.example.lab7_firebase
+
+class Validators {
+ fun validEmail(email: String?) : Boolean {
+ if (email.isNullOrEmpty()) {
+ return false
+ }
+
+ // General Email Regex (RFC 5322 Official Standard)
+ val emailRegex = Regex("(?:[a-z0-9!#\$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#\$%&'" +
+ "*+/=?^_`{|}~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x" +
+ "5d-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-z" +
+ "0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\\[(?:(?:25[0-5]|2[0-4" +
+ "][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z" +
+ "0-9-]*[a-z0-9]:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21-\\x5a\\x53-\\x7f]|" +
+ "\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)])")
+ return emailRegex.matches(email)
+ }
+
+ // TODO: Validate password
+ // Passwords should be at least 4 characters with 1 letter and 1 number
+ fun validPassword(password: String?) : Boolean {
+
+ return true
+ }
+}
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/drawable/ic_launcher_background.xml b/labs/Lab7_Firebase/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d5fccc538c179838bfdce779c26eebb4fa0b5ce9
--- /dev/null
+++ b/labs/Lab7_Firebase/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:viewportHeight="108"
+ android:viewportWidth="108">
+ <path
+ android:fillColor="#26A69A"
+ android:pathData="M0,0h108v108h-108z" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M9,0L9,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M19,0L19,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M29,0L29,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M39,0L39,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M49,0L49,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M59,0L59,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M69,0L69,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M79,0L79,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M89,0L89,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M99,0L99,108"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,9L108,9"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,19L108,19"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,29L108,29"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,39L108,39"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,49L108,49"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,59L108,59"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,69L108,69"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,79L108,79"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,89L108,89"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M0,99L108,99"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M19,29L89,29"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M19,39L89,39"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M19,49L89,49"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M19,59L89,59"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M19,69L89,69"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M19,79L89,79"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M29,19L29,89"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M39,19L39,89"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M49,19L49,89"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M59,19L59,89"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M69,19L69,89"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+ <path
+ android:fillColor="#00000000"
+ android:pathData="M79,19L79,89"
+ android:strokeColor="#33FFFFFF"
+ android:strokeWidth="0.8" />
+</vector>
diff --git a/labs/Lab7_Firebase/app/src/main/res/drawable/ic_launcher_foreground.xml b/labs/Lab7_Firebase/app/src/main/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 0000000000000000000000000000000000000000..c7bd21dbd86990cde81fea8abd3bf904b4546749
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:aapt="http://schemas.android.com/aapt"
+ android:width="108dp"
+ android:height="108dp"
+ android:viewportHeight="108"
+ android:viewportWidth="108">
+ <path
+ android:fillType="evenOdd"
+ android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+ android:strokeColor="#00000000"
+ android:strokeWidth="1">
+ <aapt:attr name="android:fillColor">
+ <gradient
+ android:endX="78.5885"
+ android:endY="90.9159"
+ android:startX="48.7653"
+ android:startY="61.0927"
+ android:type="linear">
+ <item
+ android:color="#44000000"
+ android:offset="0.0" />
+ <item
+ android:color="#00000000"
+ android:offset="1.0" />
+ </gradient>
+ </aapt:attr>
+ </path>
+ <path
+ android:fillColor="#FFFFFF"
+ android:fillType="nonZero"
+ android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+ android:strokeColor="#00000000"
+ android:strokeWidth="1" />
+</vector>
diff --git a/labs/Lab7_Firebase/app/src/main/res/layout/activity_author.xml b/labs/Lab7_Firebase/app/src/main/res/layout/activity_author.xml
new file mode 100644
index 0000000000000000000000000000000000000000..2a6ab3187fc8ab8f773958090f0ce31835e33f47
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/layout/activity_author.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ android:id="@+id/activity_artist"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:paddingBottom="@dimen/activity_vertical_margin"
+ android:paddingLeft="@dimen/activity_horizontal_margin"
+ android:paddingRight="@dimen/activity_horizontal_margin"
+ android:paddingTop="@dimen/activity_vertical_margin"
+ tools:context="com.example.lab7_firebase.AuthorActivity">
+
+ <TextView
+ android:id="@+id/textViewAuthor"
+ android:padding="@dimen/activity_horizontal_margin"
+ android:textAlignment="center"
+ android:textAppearance="@style/Base.TextAppearance.AppCompat.Large"
+ android:textStyle="bold"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content" />
+
+ <EditText
+ android:layout_below="@id/textViewAuthor"
+ android:id="@+id/editTextName"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:inputType="text"
+ android:hint="@string/enter_title_name"
+ android:importantForAutofill="no" />
+
+ <LinearLayout
+ android:orientation="horizontal"
+ android:id="@+id/linearLayout"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@id/editTextName">
+
+ <SeekBar
+ android:layout_weight="1"
+ android:id="@+id/seekBarRating"
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:max="5" />
+
+ <TextView
+ android:text="@string/one"
+ android:id="@+id/textViewRating"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content" />
+ </LinearLayout>
+
+
+ <Button
+ android:id="@+id/buttonAddTitle"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@id/linearLayout"
+ android:text="@string/add_titles" />
+
+ <TextView
+ android:id="@+id/textView"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@id/buttonAddTitle"
+ android:padding="@dimen/activity_horizontal_margin"
+ android:text="@string/titles"
+ android:textAlignment="center"
+ android:textAppearance="@style/Base.TextAppearance.AppCompat.Large" />
+
+ <ListView
+ android:id="@+id/listViewTitles"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@+id/textView" />
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/layout/activity_dashboard.xml b/labs/Lab7_Firebase/app/src/main/res/layout/activity_dashboard.xml
new file mode 100644
index 0000000000000000000000000000000000000000..67817f183b99e31425499ada212e2cd05651cde1
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/layout/activity_dashboard.xml
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ android:id="@+id/activity_main"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:paddingBottom="@dimen/activity_vertical_margin"
+ android:paddingLeft="@dimen/activity_horizontal_margin"
+ android:paddingRight="@dimen/activity_horizontal_margin"
+ android:paddingTop="@dimen/activity_vertical_margin"
+ tools:context="com.example.lab7_firebase.DashboardActivity">
+
+
+ <EditText
+ android:id="@+id/editTextName"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:hint="@string/enter_author_name"
+ android:inputType="text"
+ android:importantForAutofill="no" />
+
+ <Spinner
+ android:id="@+id/spinnerCountry"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@id/editTextName"
+ android:entries="@array/countries" />
+
+ <Button
+ android:id="@+id/buttonAddAuthor"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@id/spinnerCountry"
+ android:text="@string/add" />
+
+ <TextView
+ android:id="@+id/textView"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@id/buttonAddAuthor"
+ android:padding="@dimen/activity_horizontal_margin"
+ android:text="@string/authors"
+ android:textAlignment="center"
+ android:textAppearance="@style/Base.TextAppearance.AppCompat.Large" />
+
+ <TextView
+ android:id="@+id/textView1"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@id/textView"
+ android:text="@string/tap_to_view"
+ android:textAlignment="center" />
+
+ <ListView
+ android:id="@+id/listViewAuthors"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_below="@+id/textView1" />
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/layout/activity_login.xml b/labs/Lab7_Firebase/app/src/main/res/layout/activity_login.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4155f515a966e0d21d870c596e8915a422dab34e
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/layout/activity_login.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:gravity="center_vertical"
+ android:orientation="vertical"
+ android:padding="16dp"
+ tools:context="com.example.lab7_firebase.LoginActivity">
+
+ <TextView
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="@string/account_login"/>
+ <EditText
+ android:id="@+id/email"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:hint="@string/email"
+ android:inputType="textEmailAddress"
+ android:importantForAutofill="no" />
+
+ <EditText
+ android:id="@+id/password"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:hint="@string/password"
+ android:inputType="textPassword"
+ android:importantForAutofill="no" />
+
+ <Button
+ android:id="@+id/login"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:text="@string/login" />
+
+ <ProgressBar
+ android:id="@+id/progressBar"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:visibility="gone" />
+</LinearLayout>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/layout/activity_main.xml b/labs/Lab7_Firebase/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000000000000000000000000000000000000..78b56f22dd6f163f39a72d93c8ae053872fcf1e5
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:orientation="vertical"
+ tools:context="com.example.lab7_firebase.MainActivity">
+
+ <Button
+ android:id="@+id/register"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:text="@string/register"/>
+ <Button
+ android:id="@+id/login"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:text="@string/login"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/layout/activity_registration.xml b/labs/Lab7_Firebase/app/src/main/res/layout/activity_registration.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d4fe4d7f4aebbff0432e1776b03a3b1c4b1dbc7b
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/layout/activity_registration.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:gravity="center_vertical"
+ android:orientation="vertical"
+ android:padding="16dp"
+ tools:context="com.example.lab7_firebase.RegistrationActivity">
+
+ <TextView
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="@string/register_new_account" />
+
+ <EditText
+ android:id="@+id/email"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:hint="@string/email"
+ android:inputType="textEmailAddress"
+ android:importantForAutofill="no" />
+
+ <EditText
+ android:id="@+id/password"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:hint="@string/password"
+ android:inputType="textPassword"
+ android:importantForAutofill="no" />
+
+ <Button
+ android:id="@+id/register"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:text="@string/register" />
+
+ <ProgressBar
+ android:id="@+id/progressBar"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:visibility="gone" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/layout/layout_author_list.xml b/labs/Lab7_Firebase/app/src/main/res/layout/layout_author_list.xml
new file mode 100644
index 0000000000000000000000000000000000000000..c616f86e65c2761b4678b2d4791b0a544b65d5f0
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/layout/layout_author_list.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical" android:layout_width="match_parent"
+ android:layout_height="match_parent">
+
+ <TextView
+ android:text="@string/test_author"
+ android:textAppearance="@style/Base.TextAppearance.AppCompat.Large"
+ android:id="@+id/textViewName"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content" />
+
+ <TextView
+ android:text="@string/test_country"
+ android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
+ android:id="@+id/textViewCountry"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content" />
+
+</LinearLayout>
+
diff --git a/labs/Lab7_Firebase/app/src/main/res/layout/update_dialog.xml b/labs/Lab7_Firebase/app/src/main/res/layout/update_dialog.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d45de775933cbac16e3c6ceea74aaa9633590bf1
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/layout/update_dialog.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:orientation="vertical"
+ android:padding="@dimen/activity_horizontal_margin">
+
+ <EditText
+ android:id="@+id/editTextName"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:hint="@string/enter_name"
+ android:inputType="text"
+ android:importantForAutofill="no" />
+
+ <Spinner
+ android:id="@+id/spinnerCountry"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:entries="@array/countries" />
+
+ <LinearLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ style="?android:attr/buttonBarStyle"
+ android:orientation="horizontal">
+
+ <Button
+ android:id="@+id/buttonUpdateAuthor"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ style="?android:attr/buttonBarButtonStyle"
+ android:text="@string/update" />
+
+ <Button
+ android:id="@+id/buttonDeleteAuthor"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ style="?android:attr/buttonBarButtonStyle"
+ android:text="@string/delete" />
+
+ </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-anydpi/ic_launcher.xml b/labs/Lab7_Firebase/app/src/main/res/mipmap-anydpi/ic_launcher.xml
new file mode 100644
index 0000000000000000000000000000000000000000..eca70cfe52eac1ba66ba280a68ca7be8fcf88a16
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/mipmap-anydpi/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+ <background android:drawable="@drawable/ic_launcher_background" />
+ <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml b/labs/Lab7_Firebase/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml
new file mode 100644
index 0000000000000000000000000000000000000000..eca70cfe52eac1ba66ba280a68ca7be8fcf88a16
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+ <background android:drawable="@drawable/ic_launcher_background" />
+ <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-hdpi/ic_launcher.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000000000000000000000000000000000000..a2f5908281d070150700378b64a84c7db1f97aa1
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b523998081149a985cef0cdf89045b9ed29964a
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-mdpi/ic_launcher.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000000000000000000000000000000000000..ff10afd6e182edb2b1a63c8f984e9070d9f950ba
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000000000000000000000000000000000000..115a4c768a20c9e13185c17043f4c4d12dd4632a
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000000000000000000000000000000000000..dcd3cd8083358269d6ed7894726283bb9bcbbfea
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000000000000000000000000000000000000..459ca609d3ae0d3943ab44cdc27feef9256dc6d7
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000000000000000000000000000000000000..8ca12fe024be86e868d14e91120a6902f8e88ac6
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000000000000000000000000000000000000..8e19b410a1b15ff180f3dacac19395fe3046cdec
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000000000000000000000000000000000000..b824ebdd48db917eea2e67a82260a100371f8a24
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000000000000000000000000000000000000..4c19a13c239cb67b8a2134ddd5f325db1d2d5bee
Binary files /dev/null and b/labs/Lab7_Firebase/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/labs/Lab7_Firebase/app/src/main/res/values/colors.xml b/labs/Lab7_Firebase/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3ab3e9cbce07f7cdc941fc8ba424c05e83ed80f0
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <color name="colorPrimary">#3F51B5</color>
+ <color name="colorPrimaryDark">#303F9F</color>
+ <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/labs/Lab7_Firebase/app/src/main/res/values/dimens.xml b/labs/Lab7_Firebase/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000000000000000000000000000000000000..48963b20617f19bb0acd4f8d64652afde649ae52
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/values/dimens.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <!-- Default screen margins, per the Android Design guidelines. -->
+ <dimen name="activity_horizontal_margin">16dp</dimen>
+ <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/labs/Lab7_Firebase/app/src/main/res/values/strings.xml b/labs/Lab7_Firebase/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..8b2d3699bb3ed615da15aaf4bfd3cfcbd8e32331
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/values/strings.xml
@@ -0,0 +1,31 @@
+<resources>
+ <string name="app_name">MyHomeLibrary</string>
+ <array name="countries">
+ <item name="america">America</item>
+ <item name="france">France</item>
+ <item name="spain">Spain</item>
+ <item name="columbia">Columbia</item>
+ <item name="russia">Russia</item>
+ </array>
+
+ <string name="enter_name">Enter name</string>
+ <string name="enter_title_name">Enter title name</string>
+ <string name="enter_author_name">Enter author\'s name</string>
+ <string name="add_titles">Add Titles</string>
+ <string name="register_new_account">Register new account</string>
+ <string name="tap_to_view">Tap on an Author to add and view titles</string>
+ <string name="one">1</string>
+ <string name="add">Add</string>
+ <string name="authors">Authors</string>
+ <string name="account_login">Account Login</string>
+ <string name="delete">Delete</string>
+ <string name="email">Email</string>
+ <string name="login">Login</string>
+ <string name="password">Password</string>
+ <string name="register">Register</string>
+ <string name="titles">Titles</string>
+ <string name="update">Update</string>
+
+ <string name="test_author">Ivo Andric</string>
+ <string name="test_country">Kingdom of Yugoslavia</string>
+</resources>
diff --git a/labs/Lab7_Firebase/app/src/main/res/values/styles.xml b/labs/Lab7_Firebase/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5885930df6d10edf3d6df40d6556297d11f953da
--- /dev/null
+++ b/labs/Lab7_Firebase/app/src/main/res/values/styles.xml
@@ -0,0 +1,11 @@
+<resources>
+
+ <!-- Base application theme. -->
+ <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+ <!-- Customize your theme here. -->
+ <item name="colorPrimary">@color/colorPrimary</item>
+ <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+ <item name="colorAccent">@color/colorAccent</item>
+ </style>
+
+</resources>
diff --git a/labs/Lab7_Firebase/build.gradle b/labs/Lab7_Firebase/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..58fcefa6bafae802c9889fb1a88599542a5e1796
--- /dev/null
+++ b/labs/Lab7_Firebase/build.gradle
@@ -0,0 +1,29 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+ ext.kotlin_version = '1.4.10'
+
+ repositories {
+ google()
+ jcenter()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:4.0.2'
+
+ // NOTE: Do not place your application dependencies here; they belong
+ // in the individual module build.gradle files
+ classpath 'com.google.gms:google-services:4.3.4'
+ classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+ }
+}
+
+allprojects {
+ repositories {
+ google()
+ jcenter()
+ }
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
diff --git a/labs/Lab7_Firebase/gradle.properties b/labs/Lab7_Firebase/gradle.properties
new file mode 100644
index 0000000000000000000000000000000000000000..23339e0df69d1fe76df74d7cc6c861fced84e98c
--- /dev/null
+++ b/labs/Lab7_Firebase/gradle.properties
@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# 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
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
diff --git a/labs/Lab7_Firebase/gradle/wrapper/gradle-wrapper.jar b/labs/Lab7_Firebase/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..f6b961fd5a86aa5fbfe90f707c3138408be7c718
Binary files /dev/null and b/labs/Lab7_Firebase/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/labs/Lab7_Firebase/gradle/wrapper/gradle-wrapper.properties b/labs/Lab7_Firebase/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..549e5d0b0b1a179d2316bfd9ebd587a25a4a0f8d
--- /dev/null
+++ b/labs/Lab7_Firebase/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Wed Oct 09 03:04:08 BOT 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
diff --git a/labs/Lab7_Firebase/gradlew b/labs/Lab7_Firebase/gradlew
new file mode 100644
index 0000000000000000000000000000000000000000..cccdd3d517fc5249beaefa600691cf150f2fa3e6
--- /dev/null
+++ b/labs/Lab7_Firebase/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=$((i+1))
+ done
+ case $i in
+ (0) set -- ;;
+ (1) set -- "$args0" ;;
+ (2) set -- "$args0" "$args1" ;;
+ (3) set -- "$args0" "$args1" "$args2" ;;
+ (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+ cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/labs/Lab7_Firebase/gradlew.bat b/labs/Lab7_Firebase/gradlew.bat
new file mode 100644
index 0000000000000000000000000000000000000000..f9553162f122c71b34635112e717c3e733b5b212
--- /dev/null
+++ b/labs/Lab7_Firebase/gradlew.bat
@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/labs/Lab7_Firebase/settings.gradle b/labs/Lab7_Firebase/settings.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..dc5064cd0c419e8806674dfd741f7263d7a9c596
--- /dev/null
+++ b/labs/Lab7_Firebase/settings.gradle
@@ -0,0 +1,2 @@
+include ':app'
+rootProject.name='Lab7-Firebase'