Add musicus_player plugin skeleton

musicus_player/.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# VS Code related
+.vscode/
+
+# Flutter/Dart/Pub related
+**/*.g.dart
+**/doc/api/
+.dart_tool/
+pubspec.lock
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/

musicus_player/android/.gitignore

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+gradle-wrapper.jar
+/.gradle
+/gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java

musicus_player/android/build.gradle

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+group 'de.johrpan.musicus_player'
+version '1.0-SNAPSHOT'
+
+buildscript {
+    ext.kotlin_version = '1.3.50'
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 28
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+    defaultConfig {
+        minSdkVersion 16
+    }
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}

musicus_player/android/gradle.properties

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+org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true

musicus_player/android/settings.gradle

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+rootProject.name = 'musicus_player'

musicus_player/android/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="de.johrpan.musicus_player">
+</manifest>

musicus_player/android/src/main/kotlin/de/johrpan/musicus_player/MusicusPlayerPlugin.kt

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+package de.johrpan.musicus_player
+
+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
+
+public class MusicusPlayerPlugin: FlutterPlugin, MethodCallHandler {
+  private lateinit var channel: MethodChannel
+
+  override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
+    channel = MethodChannel(flutterPluginBinding.getFlutterEngine().getDartExecutor(), "de.johrpan.musicus_player/platform")
+    channel.setMethodCallHandler(this);
+  }
+
+  override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
+    // TODO: Implement.
+  }
+
+  override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
+    channel.setMethodCallHandler(null)
+  }
+}

musicus_player/lib/musicus_player.dart

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+import 'package:flutter/services.dart';
+
+class MusicusPlayer {
+  final _channel = MethodChannel('de.johrpan.musicus_player/platform');
+
+  MusicusPlayer() {
+    _channel.setMethodCallHandler(_handleMethodCall);
+  }
+
+  Future<void> _handleMethodCall(MethodCall call) {
+    // TODO: Implement.
+  }
+}

musicus_player/pubspec.yaml

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+name: musicus_player
+description: A simple music player for Musicus.
+version: 0.0.1
+
+environment:
+  sdk: ">=2.3.0 <3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+flutter:
+  plugin:
+    platforms:
+      android:
+        package: de.johrpan.musicus_player
+        pluginClass: MusicusPlayerPlugin