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nphau
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feat: add minimal embedded server with kotlin
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‎.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎.idea/.gitignore

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‎.idea/compiler.xml

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‎.idea/gradle.xml

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‎.idea/misc.xml

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‎.idea/vcs.xml

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‎.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>ims.android.embeddedserver</name>
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<comment>Project ims.android.embeddedserver created by Buildship.</comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
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</natures>
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<filteredResources>
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<filter>
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<id>1634836034610</id>
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<name></name>
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<type>30</type>
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<matcher>
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<id>org.eclipse.core.resources.regexFilterMatcher</id>
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<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
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</matcher>
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</filter>
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</filteredResources>
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</projectDescription>

‎.settings/org.eclipse.buildship.core.prefs

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arguments=
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auto.sync=false
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build.scans.enabled=false
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connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
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connection.project.dir=
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eclipse.preferences.version=1
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gradle.user.home=
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java.home=/Library/Java/JavaVirtualMachines/jdk-15.0.1.jdk/Contents/Home
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jvm.arguments=
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offline.mode=false
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override.workspace.settings=true
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show.console.view=true
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show.executions.view=true

‎README.md

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<h1 align="center"> IMStudio </h1>
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<p align="center">
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<a>
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<img src="https://img.shields.io/badge/kotlin-v1.5.31-blue.svg">
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<img src="https://img.shields.io/badge/gradle-7.0.2-blueviolet.svg">
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<img src="https://img.shields.io/badge/API-21%2B-blue.svg?style=flat">
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<img src="https://img.shields.io/badge/License-Apache%202.0-success.svg">
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<img src="https://circleci.com/gh/twilio-labs/plugin-rtc.svg?style=svg">
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</a>
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<br/>
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<br/>
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<a href="https://imstudio.medium.com/" target="_blank">
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<img src="logo.png" width="128" margin="8">
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</a>
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</p>
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[![-----------------------------------------------------](https://raw.githubusercontent.com/andreasbm/readme/master/assets/lines/colored.png)](#table-of-contents)
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## 🚀Authors
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- https://github.com/nphau
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- https://medium.com/@imstudio

‎app/.classpath

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-15/"/>
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<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
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<classpathentry kind="output" path="bin/default"/>
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</classpath>

‎app/.gitignore

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/build

‎app/.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>app</name>
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<comment>Project app created by Buildship.</comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
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</natures>
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<filteredResources>
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<filter>
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<id>1634836034605</id>
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<name></name>
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<type>30</type>
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<matcher>
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<id>org.eclipse.core.resources.regexFilterMatcher</id>
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<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
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</matcher>
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</filter>
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</filteredResources>
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</projectDescription>

‎app/.settings/org.eclipse.buildship.core.prefs

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connection.project.dir=..
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eclipse.preferences.version=1

‎app/build.gradle

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plugins {
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id 'com.android.application'
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id 'kotlin-android'
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}
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android {
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compileSdk 31
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defaultConfig {
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applicationId "com.imstudio.app.embeddedserver"
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minSdk 21
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targetSdk 31
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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packagingOptions {
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exclude 'META-INF/*'
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// Due to https://github.com/Kotlin/kotlinx.coroutines/issues/2023
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exclude 'META-INF/licenses/*'
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exclude '**/attach_hotspot_windows.dll'
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}
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}
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dependencies {
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implementation 'androidx.core:core-ktx:1.6.0'
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implementation 'androidx.appcompat:appcompat:1.3.1'
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implementation 'com.google.android.material:material:1.4.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
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testImplementation 'junit:junit:4.+'
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androidTestImplementation 'androidx.test.ext:junit:1.1.3'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
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// Coroutines
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implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.2"
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// Embedded Server
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implementation 'io.ktor:ktor-server-core:1.6.2'
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implementation 'io.ktor:ktor-server-netty:1.6.2'
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implementation 'io.ktor:ktor-websockets:1.6.2'
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}

‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/com/imstudio/app/embeddedserver/ExampleInstrumentedTest.kt

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package com.imstudio.app.embeddedserver
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.imstudio.app.embeddedserver", appContext.packageName)
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}
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}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.imstudio.app.embeddedserver">
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher"
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android:supportsRtl="true"
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android:theme="@style/Theme.MyApplication">
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<activity
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android:name=".MainActivity"
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android:exported="true">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/java/com/imstudio/app/embeddedserver/MainActivity.kt

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package com.imstudio.app.embeddedserver
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import android.os.Build
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import androidx.appcompat.app.AppCompatActivity
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import android.os.Bundle
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import android.widget.TextView
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import io.ktor.application.*
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import io.ktor.features.*
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import io.ktor.http.*
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import io.ktor.response.*
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import io.ktor.routing.*
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import io.ktor.server.engine.*
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import io.ktor.server.netty.*
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import io.ktor.websocket.*
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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class MainActivity : AppCompatActivity() {
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companion object {
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private const val PORT = 5001
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}
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private val server by lazy {
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embeddedServer(Netty, PORT, watchPaths = emptyList()) {
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install(WebSockets)
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install(CallLogging)
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routing {
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get("/") {
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call.respondText(
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text = "Hello!! You are here in ${Build.MODEL}",
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contentType = ContentType.Text.Plain
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)
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}
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}
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}
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_main)
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// Start server
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// Show IP Address
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findViewById<TextView>(R.id.text_status).text =
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String.format("%s:%d running ... ", NetworkUtils.getLocalIpAddress(), PORT)
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CoroutineScope(Dispatchers.IO).launch {
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server.start(wait = true)
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}
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}
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override fun onDestroy() {
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server.stop(1_000, 2_000)
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super.onDestroy()
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}
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}

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