feat(example): upgrade to Android 14 and AGP 8

Author: uxduck

push/example/android/app/build.gradle

@@ -24,15 +24,16 @@ if (flutterVersionName == null) {
 }
 
 android {
-    compileSdkVersion 33
+    compileSdkVersion 34
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+        coreLibraryDesugaringEnabled true
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     sourceSets {
@@ -42,10 +43,13 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "uk.orth.push.example"
+        // Convert API level to Android version with https://apilevels.com/
         minSdkVersion Math.max(19, flutter.minSdkVersion)
-        targetSdkVersion Math.max(33, flutter.targetSdkVersion)
+        targetSdkVersion Math.max(34, flutter.targetSdkVersion)
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        // https://pub.dev/packages/flutter_local_notifications#-android-setup
+        multiDexEnabled true
     }
 
     buildTypes {
@@ -62,4 +66,8 @@ flutter {
     source '../..'
 }
 
-dependencies {}
+dependencies {
+    // https://pub.dev/packages/flutter_local_notifications#-android-setup
+    // Latest version on https://mvnrepository.com/artifact/com.android.tools/desugar_jdk_libs
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.4")
+}

push/example/android/gradle.properties

@@ -1,3 +1,6 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
+# Workaround for gradle build error: `Inconsistent JVM-target compatibility detected for tasks 'compileDebugJavaWithJavac' (1.8) and 'compileDebugKotlin' (17).`
+# https://stackoverflow.com/a/77861041/7365866
+kotlin.jvm.target.validation.mode = IGNORE

push/example/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-all.zip

push/example/android/settings.gradle

@@ -19,10 +19,12 @@ pluginManagement {
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
     // Versions available on https://mvnrepository.com/artifact/com.android.tools.build/gradle?repo=google
-    id "com.android.application" version "7.4.2" apply false
-    id "org.jetbrains.kotlin.android" version "1.8.21" apply false
+    id "com.android.application" version "8.3.2" apply false
+    id "org.jetbrains.kotlin.android" version "2.0.0-RC1" apply false
     // This was manually added. Versions available on https://mvnrepository.com/artifact/com.google.gms/google-services?repo=google
     id "com.google.gms.google-services" version "4.4.1" apply false
+    // This was added to use "JVM Toolchain". See https://kotlinlang.org/docs/gradle-configure-project.html
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0'
 }
 
 include ":app"

push/example/lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
@@ -162,8 +163,10 @@ class MyApp extends HookWidget {
                     Text('Messages',
                         style: Theme.of(context).textTheme.headlineMedium),
                     Row(children: [
-                      Text('Recent foreground notification',
-                          style: Theme.of(context).textTheme.headlineSmall),
+                      Flexible(
+                        child: Text('Recent foreground notification',
+                            style: Theme.of(context).textTheme.headlineSmall),
+                      ),
                       IconButton(
                           onPressed: () {
                             messagesReceived.value = [];
@@ -173,8 +176,10 @@ class MyApp extends HookWidget {
                     RemoteMessagesWidget(messagesReceived.value),
                     Row(
                       children: [
-                        Text('Recent background notification',
-                            style: Theme.of(context).textTheme.headlineSmall),
+                        Flexible(
+                          child: Text('Recent background notification',
+                              style: Theme.of(context).textTheme.headlineSmall),
+                        ),
                         IconButton(
                             onPressed: () {
                               backgroundMessagesReceived.value = [];

push/example/pubspec.yaml

@@ -19,7 +19,7 @@ dependencies:
     sdk: flutter
   flutter_hooks: ^0.18.6
   share_plus: ^7.0.0
-  flutter_local_notifications: ^14.0.0+1
+  flutter_local_notifications: ^17.1.0
 
   # When depending on this package from a real application you should use:
   #   push: ^x.y.z