Update Android SDK, Kotlin, Gradle and Dependencies version

app/build.gradle

@@ -1,36 +1,46 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
 
 android {
-    compileSdkVersion 30
-    buildToolsVersion "30.0.3"
+    compileSdk 32
+
     defaultConfig {
         applicationId "com.example.searchrecyclerviewexample"
-        minSdkVersion 15
-        targetSdkVersion 30
+        minSdk 19
+        targetSdk 32
         versionCode 1
         versionName "1.0"
+
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
+
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
-
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
     buildFeatures {
         viewBinding true
     }
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.3.0'
-    implementation 'androidx.core:core-ktx:1.5.0'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'androidx.core:core-ktx:1.7.0'
+
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
+
     testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }

app/proguard-rules.pro

@@ -18,4 +18,4 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

@@ -9,8 +9,12 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".DetailsActivity"></activity>
-        <activity android:name=".MainActivity">
+        <activity
+            android:name=".DetailsActivity"
+            android:exported="true" />
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/com/example/searchrecyclerviewexample/MainActivity.kt

@@ -15,25 +15,24 @@ import kotlin.collections.ArrayList
 
 class MainActivity : AppCompatActivity() {
 
-    lateinit var adapter: RecyclerView_Adapter
+    lateinit var adapter: RecyclerViewAdapter
     lateinit var countryrv: RecyclerView
 
     private lateinit var binding: ActivityMainBinding
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = ActivityMainBinding.inflate(layoutInflater)
-        val view = binding.root
-        setContentView(view)
+        setContentView(binding.root)
 
-        val searchIcon = binding.countrySearch.findViewById<ImageView>(R.id.search_mag_icon)
+        val searchIcon = binding.countrySearch.findViewById<ImageView>(androidx.appcompat.R.id.search_mag_icon)
         searchIcon.setColorFilter(Color.WHITE)
 
 
-        val cancelIcon = binding.countrySearch.findViewById<ImageView>(R.id.search_close_btn)
+        val cancelIcon = binding.countrySearch.findViewById<ImageView>(androidx.appcompat.R.id.search_close_btn)
         cancelIcon.setColorFilter(Color.WHITE)
 
-        val textView = binding.countrySearch.findViewById<TextView>(R.id.search_src_text)
+        val textView = binding.countrySearch.findViewById<TextView>(androidx.appcompat.R.id.search_src_text)
         textView.setTextColor(Color.WHITE)
         // If you want to change the color of the cursor, change the 'colorAccent' in colors.xml
 
@@ -71,7 +70,7 @@ class MainActivity : AppCompatActivity() {
                 (String(Character.toChars(firstChar)) + String(Character.toChars(secondChar)))
             countryListWithEmojis.add("$countryName $flag")
         }
-        adapter = RecyclerView_Adapter(countryListWithEmojis)
+        adapter = RecyclerViewAdapter(countryListWithEmojis)
         countryrv.adapter = adapter
     }
 

app/src/main/java/com/example/searchrecyclerviewexample/RecyclerView_Adapter.kt → app/src/main/java/com/example/searchrecyclerviewexample/RecyclerViewAdapter.kt

@@ -14,7 +14,7 @@ import java.util.*
 import kotlin.collections.ArrayList
 
 
-class RecyclerView_Adapter(private var countryList: ArrayList<String>) :
+class RecyclerViewAdapter(private var countryList: ArrayList<String>) :
     RecyclerView.Adapter<RecyclerView.ViewHolder>(), Filterable {
 
     var countryFilterList = ArrayList<String>()

build.gradle

@@ -1,26 +1,10 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
-
-buildscript {
-    ext.kotlin_version = '1.5.10'
-    repositories {
-        google()
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.1'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
+plugins {
+    id 'com.android.application' version '7.1.0' apply false
+    id 'com.android.library' version '7.1.0' apply false
+    id 'org.jetbrains.kotlin.android' version '1.6.10' apply false
 }
 
 task clean(type: Delete) {
     delete rootProject.buildDir
-}
+}

gradle.properties

@@ -6,16 +6,18 @@
 # 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
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 # AndroidX package structure to make it clearer which packages are bundled with the
-# Android operating system, and which are packaged with your app's APK
+# 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
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Feb 15 13:30:06 EET 2021
+#Tue Feb 01 16:38:26 EET 2022
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
+zipStoreBase=GRADLE_USER_HOME

settings.gradle

@@ -1,2 +1,16 @@
-include ':app'
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
 rootProject.name='SearchRecyclerViewExample'
+include ':app'