Portable to null-safety

android/gradle.properties

@@ -1,2 +1 @@
-org.gradle.jvmargs=-Xmx1536M
-
+org.gradle.jvmargs=-Xmx1536M

example/.flutter-plugins-dependencies

@@ -0,0 +1 @@
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"serial_port_flutter","path":"/Users/marcusbrasizza/development/serial_port_flutter/","dependencies":[]}],"android":[{"name":"serial_port_flutter","path":"/Users/marcusbrasizza/development/serial_port_flutter/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"serial_port_flutter","dependencies":[]}],"date_created":"2021-10-18 11:02:52.591686","version":"2.5.1"}

example/android/app/src/main/AndroidManifest.xml

@@ -1,33 +1,25 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.flutter_serial_port_example">
-
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
-    <application
-        android:name="io.flutter.app.FlutterApplication"
-        android:label="@string/app_name"
-        android:icon="@mipmap/ic_launcher">
-        <activity
-            android:name=".MainActivity"
-            android:launchMode="singleTop"
-            android:theme="@style/LaunchTheme"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
-            android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize">
-            <!-- This keeps the window background of the activity showing
-                 until Flutter renders its first frame. It can be removed if
-                 there is no splash screen (such as the default splash screen
-                 defined in @style/LaunchTheme). -->
-            <meta-data
-                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
-                android:value="true" />
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
-            </intent-filter>
-        </activity>
-    </application>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.flutter_serial_port_example">
+	<!--
+	io.flutter.app.FlutterApplication is an android.app.Application that
+	calls FlutterMain.startInitialization(this); in its onCreate method.
+	In most cases you can leave this as-is, but you if you want to provide
+	additional functionality it is fine to subclass or reimplement
+	FlutterApplication and put your custom class here.
+	-->
+	<application android:label="@string/app_name" android:icon="@mipmap/ic_launcher">
+		<activity android:name=".MainActivity" android:launchMode="singleTop" android:theme="@style/LaunchTheme" android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode" android:hardwareAccelerated="true" android:windowSoftInputMode="adjustResize">
+			<!--
+			This keeps the window background of the activity showing
+			until Flutter renders its first frame. It can be removed if
+			there is no splash screen (such as the default splash screen
+			defined in @style/LaunchTheme).
+			-->
+			<meta-data android:name="flutterEmbedding" android:value="2" />
+			<meta-data android:name="io.flutter.app.android.SplashScreenUntilFirstFrame" android:value="true" />
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN" />
+				<category android:name="android.intent.category.LAUNCHER" />
+			</intent-filter>
+		</activity>
+	</application>
 </manifest>

example/android/app/src/main/java/com/example/flutter_serial_port_example/MainActivity.java

@@ -1,23 +1,8 @@
 package com.example.flutter_serial_port_example;
 
-import android.os.Bundle;
-import android.os.Build;
-import android.util.Log;
+import io.flutter.embedding.android.FlutterActivity;
 
-import io.flutter.app.FlutterActivity;
-import io.flutter.plugins.GeneratedPluginRegistrant;
 
 public class MainActivity extends FlutterActivity {
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-
-    Log.d("MainActivity", "VERSION.SDK_INT: " + Build.VERSION.SDK_INT);
-    if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT_WATCH) {
-      // use software rendering (ideally only when you need to)
-      getIntent().putExtra("enable-software-rendering", true);
-    }
-
-    super.onCreate(savedInstanceState);
-    GeneratedPluginRegistrant.registerWith(this);
-  }
+
 }

example/android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:4.1.1'
     }
 }
 

example/android/gradle.properties

@@ -1,2 +1,16 @@
+## 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.
+# Default value: -Xmx1024m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -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
+#Mon Oct 18 10:41:45 BRT 2021
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536M
-

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

@@ -1,6 +1,6 @@
-#Fri Jun 23 08:50:38 CEST 2017
+#Mon Oct 18 10:41:50 BRT 2021
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip

example/ios/Flutter/Debug.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"

example/ios/Flutter/Release.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"

example/ios/Podfile

@@ -0,0 +1,41 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '9.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

example/lib/main.dart

@@ -10,7 +10,7 @@ import 'package:provider/provider.dart';
 void main() {
   runApp(
     ChangeNotifierProvider(
-      builder: (context) => AppModel(),
+      create: (context) => AppModel(),
       child: MyApp(),
     ),
   );