chore: upgrade to Flutter 3.24.5

At the time of writing the latest Flutter version.

android/app/build.gradle

@@ -1,3 +1,9 @@
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    id "dev.flutter.flutter-gradle-plugin"
+}
+
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -6,11 +12,6 @@ if (localPropertiesFile.exists()) {
     }
 }
 
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
 if (flutterVersionCode == null) {
     flutterVersionCode = '1'
@@ -21,10 +22,6 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 def keystoreProperties = new Properties()
 def keystorePropertiesFile = rootProject.file('key.properties')
 if (keystorePropertiesFile.exists()) {
@@ -53,7 +50,7 @@ android {
         applicationId "com.subtracks2"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion 19
+        minSdkVersion flutter.minSdkVersion
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -81,8 +78,4 @@ android {
 
 flutter {
     source '../..'
-}
-
-dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}
+}

android/app/src/debug/AndroidManifest.xml

@@ -5,4 +5,9 @@
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>
+
+    <!-- audio_service -->
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
 </manifest>

android/app/src/main/AndroidManifest.xml

@@ -69,4 +69,5 @@
     <!-- audio_service -->
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
 </manifest>

android/app/src/main/java/io/flutter/app/FlutterMultiDexApplication.java

@@ -1,25 +0,0 @@
-// Generated file.
-//
-// If you wish to remove Flutter's multidex support, delete this entire file.
-//
-// Modifications to this file should be done in a copy under a different name
-// as this file may be regenerated.
-
-package io.flutter.app;
-
-import android.app.Application;
-import android.content.Context;
-import androidx.annotation.CallSuper;
-import androidx.multidex.MultiDex;
-
-/**
- * Extension of {@link android.app.Application}, adding multidex support.
- */
-public class FlutterMultiDexApplication extends Application {
-  @Override
-  @CallSuper
-  protected void attachBaseContext(Context base) {
-    super.attachBaseContext(base);
-    MultiDex.install(this);
-  }
-}

android/app/src/profile/AndroidManifest.xml

@@ -5,4 +5,9 @@
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>
+
+    <!-- audio_service -->
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
 </manifest>