Ready

Author: Aleksey

.gitignore

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+.DS_Store
+.atom/
+.idea
+.vscode/
+.packages
+.pub/
+build/
+ios/.generated/
+packages
+.flutter-plugins

.metadata

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+# 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.
+
+version:
+  revision: 3ea4d06340a97a1e9d7cae97567c64e0569dcaa2
+  channel: beta

README.md

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+# IoT service for Android project
+
+Flutter application which connects to AWS IoT and sends messages to AWS IoT. AWS IoT processes and sends them to https://github.com/lynx-r/arduino-iot-android_java-server
+
+# How does it work
+
+https://vimeo.com/259539079
+
+# Flutter
+
+A new Flutter project.
+
+## Getting Started
+
+For help getting started with Flutter, view our online
+[documentation](https://flutter.io/).
+
+## Platform-channel
+
+To get native code in Dart application I used [platform-channel](https://flutter.io/platform-channels/)
+
+# Links
+
+* https://developer.android.com/index.html
+* https://aws.amazon.com/iot
+* https://github.com/aws/aws-sdk-android

android/.gitignore

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+*.iml
+*.class
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+GeneratedPluginRegistrant.java

android/app/build.gradle

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+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+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.")
+}
+
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 27
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.example.myapp"
+        minSdkVersion 16
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+
+    compile 'com.amazonaws:aws-android-sdk-iot:2.6.16'
+    compile 'com.amazonaws:aws-iot-device-sdk-java:1.1.1'
+}

android/app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.myapp">
+
+    <!-- The INTERNET permission is required for development. Specifically,
+         flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <!-- 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="myapp"
+        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"
+            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>

android/app/src/main/kotlin/com/example/myapp/MainActivity.kt

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+package com.example.myapp
+
+import com.amazonaws.services.iot.client.AWSIotException
+import com.amazonaws.services.iot.client.AWSIotMqttClient
+import com.amazonaws.services.iot.client.AWSIotQos
+import com.amazonaws.services.iot.client.AWSIotMessage
+
+import android.os.Bundle
+import android.util.Log
+
+import io.flutter.plugin.common.MethodChannel
+import io.flutter.app.FlutterActivity
+import io.flutter.plugins.GeneratedPluginRegistrant
+
+class MyMessage(topic: String, qos: AWSIotQos, payload: String) : AWSIotMessage(topic, qos, payload) {
+
+    override fun onSuccess() {
+        // called when message publishing succeeded
+    }
+
+    override fun onFailure() {
+        // called when message publishing failed
+    }
+
+    override fun onTimeout() {
+        // called when message publishing timed out
+    }
+}
+
+class MainActivity() : FlutterActivity() {
+    private val CHANNEL = "samples.flutter.io/iot"
+
+    private val TAG = "DEBUG"
+    private val topic = "sdk/test/java"
+
+    private val client: AWSIotMqttClient by lazy { connectToAws() }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        GeneratedPluginRegistrant.registerWith(this)
+
+        MethodChannel(flutterView, CHANNEL).setMethodCallHandler { call, result ->
+            if (call.method == "publishToDevice") {
+                publish(call.argument("payload"))
+                result.success(true)
+            } else {
+                result.notImplemented()
+            }
+        }
+    }
+
+    fun connectToAws(): AWSIotMqttClient {
+        Log.d(TAG, "connect")
+        val client = AWSIotMqttClient("a1lv5xlogg9711.iot.eu-west-1.amazonaws.com", "123", "AKIAIKGUGEIUPJDR7QWQ", "hC/CJkCDj6fMb7IOFmfzXEmgAAnKRDReWA2l+n5t")
+        client.connect()
+        Log.d(TAG, client.getConnectionStatus().toString())
+        return client
+    }
+
+    fun publish(payload: String) {
+        val msg = MyMessage(topic, AWSIotQos.QOS0, payload)
+        client.publish(msg, 3000)
+    }
+}

android/app/src/main/res/drawable/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

android/app/src/main/res/mipmap-hdpi/ic_launcher.png

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+</resources>

android/app/src/main/res/mipmap-mdpi/ic_launcher.png

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+apply plugin:"idea"
+
+buildscript {
+    ext.kotlin_version = '1.1.51'
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

android/app/src/main/res/mipmap-xhdpi/ic_launcher.png

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+org.gradle.jvmargs=-Xmx1536M

android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png

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+#Fri Jun 23 08:50:38 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip