Migrate to Flutter 3.0 (#31)

Author: koji-1009

.gitignore

@@ -1,16 +1,30 @@
-/pubspec.lock
-/.dart_tool/
-/.packages
-/example/pubspec.lock
-/example/.dart_tool/
-/example/.packages
-/doc/api/
-/lib/src/boringssl_ffi/libssl.so
-/lib/src/webcrypto_extension/libwebcrypto_extension.so
-/lib/src/webcrypto_extension/obj/
-/dart-sdk/
-/.vscode/
-/build/
-/android/.cxx/
-/notes.md
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
 .DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/

.metadata

@@ -1,10 +1,36 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled and should not be manually edited.
+# This file should be version controlled.
 
 version:
-  revision: 8af6b2f038c1172e61d418869363a28dffec3cb4
+  revision: 85684f9300908116a78138ea4c6036c35c9a1236
   channel: stable
 
 project_type: plugin
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+    - platform: android
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+    - platform: ios
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+    - platform: web
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

analysis_options.yaml

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-include: package:pedantic/analysis_options.yaml
+include: package:flutter_lints/flutter.yaml
 analyzer:
   exclude:
     # Cannot analyze subprojects

android/.gitignore

@@ -6,3 +6,4 @@
 .DS_Store
 /build
 /captures
+.cxx

android/build.gradle

@@ -2,30 +2,30 @@ group 'com.example.webcrypto'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.6.10'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:7.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 rootProject.allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 31
 
     // We depend on cmake for the native parts.
     externalNativeBuild {
@@ -34,18 +34,25 @@ android {
         }
     }
 
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
+
     defaultConfig {
         minSdkVersion 16
         ndk {
             abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
         }
     }
-    lintOptions {
-        disable 'InvalidPackage'
-    }
 }
 
 dependencies {

android/gradle.properties

@@ -14,43 +14,25 @@
 
 package com.example.webcrypto
 
-import androidx.annotation.NonNull;
+import androidx.annotation.NonNull
 
 import io.flutter.embedding.engine.plugins.FlutterPlugin
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler
 import io.flutter.plugin.common.MethodChannel.Result
-import io.flutter.plugin.common.PluginRegistry.Registrar
 
 /** WebcryptoPlugin */
-public class WebcryptoPlugin: FlutterPlugin, MethodCallHandler {
+class WebcryptoPlugin: FlutterPlugin, MethodCallHandler {
   /// The MethodChannel that will the communication between Flutter and native Android
   ///
   /// This local reference serves to register the plugin with the Flutter Engine and unregister it
   /// when the Flutter Engine is detached from the Activity
   private lateinit var channel : MethodChannel
 
   override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
-    channel = MethodChannel(flutterPluginBinding.getFlutterEngine().getDartExecutor(), "webcrypto")
-    channel.setMethodCallHandler(this);
-  }
-
-  // This static function is optional and equivalent to onAttachedToEngine. It supports the old
-  // pre-Flutter-1.12 Android projects. You are encouraged to continue supporting
-  // plugin registration via this function while apps migrate to use the new Android APIs
-  // post-flutter-1.12 via https://flutter.dev/go/android-project-migration.
-  //
-  // It is encouraged to share logic between onAttachedToEngine and registerWith to keep
-  // them functionally equivalent. Only one of onAttachedToEngine or registerWith will be called
-  // depending on the user's project. onAttachedToEngine or registerWith must both be defined
-  // in the same class.
-  companion object {
-    @JvmStatic
-    fun registerWith(registrar: Registrar) {
-      val channel = MethodChannel(registrar.messenger(), "webcrypto")
-      channel.setMethodCallHandler(WebcryptoPlugin())
-    }
+    channel = MethodChannel(flutterPluginBinding.binaryMessenger, "webcrypto")
+    channel.setMethodCallHandler(this)
   }
 
   override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,10 +1,36 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled and should not be manually edited.
+# This file should be version controlled.
 
 version:
-  revision: 8af6b2f038c1172e61d418869363a28dffec3cb4
+  revision: 85684f9300908116a78138ea4c6036c35c9a1236
   channel: stable
 
 project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+    - platform: android
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+    - platform: ios
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+    - platform: web
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

android/src/main/kotlin/com/example/webcrypto/WebcryptoPlugin.kt

@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options