first commit

.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.kts

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+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("com.google.gms.google-services")
+
+}
+
+android {
+    namespace = "com.example.quizapp"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.example.quizapp"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+
+dependencies {
+
+    implementation("androidx.core:core-ktx:1.12.0")
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("com.google.android.material:material:1.11.0")
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("com.github.bumptech.glide:glide:4.16.0")
+    annotationProcessor("com.github.bumptech.glide:compiler:4.12.0")
+    implementation("com.google.firebase:firebase-auth:22.3.1")
+    implementation(platform("com.google.firebase:firebase-bom:32.8.1"))
+    implementation("com.google.firebase:firebase-analytics")
+    implementation("com.google.firebase:firebase-database:20.3.1")
+    implementation("com.google.android.gms:play-services-auth:21.1.0")
+    implementation("com.google.firebase:firebase-firestore-ktx:24.11.1")
+    implementation("com.google.firebase:firebase-firestore:24.11.1")
+    implementation("com.google.firebase:firebase-storage:20.3.0")
+    implementation("com.google.firebase:firebase-crashlytics-buildtools:2.9.9")
+    implementation("de.hdodenhof:circleimageview:3.1.0")
+    implementation("com.github.bumptech.glide:glide:4.16.0")
+    implementation("androidx.recyclerview:recyclerview:1.3.2")
+    implementation("androidx.cardview:cardview:1.0.0")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+}

app/google-services.json

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+{
+  "project_info": {
+    "project_number": "777379066436",
+    "firebase_url": "https://androidquizapp-57b46-default-rtdb.firebaseio.com",
+    "project_id": "androidquizapp-57b46",
+    "storage_bucket": "androidquizapp-57b46.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:777379066436:android:a128f4c58c03ee16c00211",
+        "android_client_info": {
+          "package_name": "com.example.quizapp"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "777379066436-2tusfc4ej404rs9rgsnb63br5k665ls9.apps.googleusercontent.com",
+          "client_type": 1,
+          "android_info": {
+            "package_name": "com.example.quizapp",
+            "certificate_hash": "a16e56d97c331a0055985014340aaa069973b25c"
+          }
+        },
+        {
+          "client_id": "777379066436-4o9kbofchoqt5t8c4lvo8citatn3dbmm.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCzVCDSo1bySKNukHl-habkE9fvwCS8g0k"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "777379066436-4o9kbofchoqt5t8c4lvo8citatn3dbmm.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

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/quizapp/ExampleInstrumentedTest.kt

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+package com.example.quizapp
+
+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.quizapp", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.QuizApp"
+        tools:targetApi="31">
+        <activity
+            android:name=".ProfileActivity"
+            android:exported="false" />
+        <activity
+            android:name=".ResultActivity"
+            android:theme="@style/ScreenTheme"
+            android:exported="false" />
+        <activity
+            android:name=".QuestionsActivity"
+            android:exported="false" />
+        <activity
+            android:name=".SignupActivity"
+            android:exported="false"
+            android:theme="@style/AppTheme.FullScreen" />
+        <activity
+            android:name=".HomeActivity"
+            android:exported="false"
+            android:theme="@style/ScreenTheme" />
+        <activity
+            android:name=".SplashActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:theme="@style/AppTheme.FullScreen">
+            <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/quizapp/CustomAdapter.kt

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+package com.example.quizapp
+
+import android.net.Uri
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import de.hdodenhof.circleimageview.CircleImageView
+
+class CustomAdapter(private val dataList: List<RankViewModel>) :
+    RecyclerView.Adapter<CustomAdapter.ViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val view =
+            LayoutInflater.from(parent.context).inflate(R.layout.user_rank_cardview, parent, false)
+        return ViewHolder(view)
+    }
+
+    override fun getItemCount(): Int {
+        return dataList.size
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val items = dataList[position]
+        holder.rank.text = items.pos.toString()
+        holder.name.text = items.name
+        holder.score.text = "${items.score} / 10"
+
+        if (items.imgSrc.isNotEmpty()) {
+            Glide.with(holder.itemView.context).load(items.imgSrc).into(holder.image)
+        } else {
+            holder.image.setImageResource(R.drawable.avatar)
+        }
+
+    }
+
+    class ViewHolder(ItemView: View) : RecyclerView.ViewHolder(ItemView) {
+        val image: CircleImageView = itemView.findViewById(R.id.rankImageView)
+        val rank: TextView = itemView.findViewById(R.id.rankTV)
+        val name: TextView = itemView.findViewById(R.id.rankNameTV)
+        val score: TextView = itemView.findViewById(R.id.rankScoreTV)
+
+    }
+}

app/src/main/java/com/example/quizapp/FirebaseRealtimeDatabase.kt

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+package com.example.quizapp
+
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.database.DatabaseReference
+import com.google.firebase.database.FirebaseDatabase
+
+class FirebaseRealTimeDatabase {
+
+    companion object {
+        lateinit var db: DatabaseReference
+        lateinit var currentUserId: String
+
+        fun initializeDatabaseReference() : DatabaseReference {
+            currentUserId = FirebaseAuth.getInstance().currentUser!!.uid
+            db = FirebaseDatabase.getInstance().getReference("UserInfo").child(currentUserId)
+            return db
+        }
+    }
+}