:::

.gitignore

@@ -0,0 +1,14 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx

.idea/.name

@@ -0,0 +1 @@
+Två

.idea/codeStyles/Project.xml

@@ -0,0 +1,122 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="XML">
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+      <arrangement>
+        <rules>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:android</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:id</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>style</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>ANDROID_ATTRIBUTE_ORDER</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>.*</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+        </rules>
+      </arrangement>
+    </codeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

.idea/gradle.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="PLATFORM" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="1.8" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/jarRepositories.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

.idea/runConfigurations.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

@@ -0,0 +1,59 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.1"
+
+    defaultConfig {
+        applicationId "oppen.tva"
+        minSdkVersion 21
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    buildFeatures{
+        dataBinding true
+    }
+
+    compileOptions{
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions{
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: "libs", include: ["*.jar"])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.3.1'
+    implementation 'com.google.android.material:material:1.3.0-alpha02'
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0"
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation 'androidx.activity:activity-ktx:1.1.0'
+    implementation "androidx.recyclerview:recyclerview:1.1.0"
+    implementation 'androidx.coordinatorlayout:coordinatorlayout:1.1.0'
+
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+
+
+
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/oppen/tva/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package oppen.tva
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("oppen.tva", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="oppen.tva">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:name=".Tva"
+        android:allowBackup="true"
+        android:icon="@drawable/vector_app_icon"
+        android:label="@string/app_name"
+        android:roundIcon="@drawable/vector_app_icon"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".ui.TvaActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/oppen/tva/Tva.kt

@@ -0,0 +1,6 @@
+package oppen.tva
+
+import android.app.Application
+
+class Tva: Application() {
+}

app/src/main/java/oppen/tva/io/Datasource.kt

@@ -0,0 +1,13 @@
+package oppen.tva.io
+
+import java.net.URI
+
+interface Datasource {
+    fun request(uri: URI, onUpdate: (state: TvaState) -> Unit)
+
+    companion object{
+        fun factory(): Datasource{
+            return GeminiDatasource()
+        }
+    }
+}

app/src/main/java/oppen/tva/io/DummyTrustManager.kt

@@ -0,0 +1,33 @@
+package oppen.tva.io
+
+import java.security.cert.X509Certificate
+import javax.net.ssl.TrustManager
+import javax.net.ssl.X509TrustManager
+import javax.security.cert.CertificateException
+
+object DummyTrustManager {
+
+    fun get(): Array<TrustManager> {
+        return arrayOf(
+            object : X509TrustManager {
+                @Throws(CertificateException::class)
+                override fun checkClientTrusted(
+                    chain: Array<X509Certificate?>?,
+                    authType: String?
+                ) {
+                }
+
+                @Throws(CertificateException::class)
+                override fun checkServerTrusted(
+                    chain: Array<X509Certificate?>?,
+                    authType: String?
+                ) {
+                }
+
+                override fun getAcceptedIssuers(): Array<X509Certificate?>? {
+                    return arrayOf()
+                }
+            }
+        )
+    }
+}

app/src/main/java/oppen/tva/io/GeminiDatasource.kt

@@ -0,0 +1,91 @@
+package oppen.tva.io
+
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import java.io.*
+import java.net.URI
+import java.security.SecureRandom
+import javax.net.ssl.*
+
+const val GEMINI_SCHEME = "gemini"
+
+class GeminiDatasource: Datasource{
+
+    override fun request(uri: URI, onUpdate: (state: TvaState) -> Unit) {
+
+        //Any inputted uri starting with a colon is an app-specific command, eg. :prefs :settings
+        if(uri.toString().startsWith(":")){
+            onUpdate(TvaState.AppQuery(uri))
+            return
+        }
+
+        when (uri.scheme) {
+            GEMINI_SCHEME -> {
+                //Indicate app should show progress indicator
+                onUpdate(TvaState.Requesting(uri))
+
+                GlobalScope.launch {
+                    geminiRequest(uri, onUpdate)
+                }
+
+            }
+            else -> onUpdate(TvaState.NotGeminiRequest(uri))
+        }
+    }
+
+    /**
+     *
+     * This was largely copied from https://framagit.org/waweic/gemini-client/-/blob/master/app/src/main/java/rocks/ism/decentral/geminiclient/GeminiConnection.kt
+     *
+     */
+    private fun geminiRequest(uri: URI, onUpdate: (state: TvaState) -> Unit){
+        val port = if(uri.port == -1) 1965 else uri.port
+
+        val sslContext = SSLContext.getInstance("TLSv1.2")
+        sslContext.init(null, DummyTrustManager.get(), SecureRandom())
+
+        val factory: SSLSocketFactory = sslContext.socketFactory
+        val socket: SSLSocket = factory.createSocket(uri.host, port) as SSLSocket
+        socket.enabledProtocols = arrayOf("TLSv1.2")
+
+        socket.startHandshake()
+
+        // OUT >>>>>>>>>>>>>>>>>>>>>>>>>>
+        val outputStreamWriter = OutputStreamWriter(socket.outputStream)
+        val bufferedWriter = BufferedWriter(outputStreamWriter)
+        val outWriter = PrintWriter(bufferedWriter)
+
+        outWriter.print(uri.toString() + "\r\n")
+        outWriter.flush()
+
+        if (outWriter.checkError()) {
+            onUpdate(TvaState.GeminiPrintWriterError)
+            outWriter.close()
+            return
+        }
+
+        // IN <<<<<<<<<<<<<<<<<<<<<<<<<<<
+        val lines = mutableListOf<String>()
+        socket.inputStream.reader().use { inputStreamReader ->
+            BufferedReader(inputStreamReader).use { reader ->
+                lines.addAll(reader.readLines())
+            }
+        }
+
+        val header = lines.firstOrNull() ?: ""
+        lines.removeAt(0)
+
+        println("Tva: header: $header")
+
+        lines.forEach {
+            println("Tva: line: $it")
+        }
+
+        println("Tva: ends -----------------")
+
+        outputStreamWriter.close()
+        bufferedWriter.close()
+        outWriter.close()
+        onUpdate(TvaState.GeminiResponse(uri, header, lines))
+    }
+}

app/src/main/java/oppen/tva/io/TvaState.kt

@@ -0,0 +1,11 @@
+package oppen.tva.io
+
+import java.net.URI
+
+sealed class TvaState {
+    data class AppQuery(val uri: URI): TvaState()
+    data class Requesting(val uri: URI): TvaState()
+    data class NotGeminiRequest(val uri: URI) : TvaState()
+    data class GeminiResponse(val uri: URI, val header: String, val lines: List<String>) : TvaState()
+    object GeminiPrintWriterError : TvaState()
+}

app/src/main/java/oppen/tva/io/history/CacheInterface.kt

@@ -0,0 +1,14 @@
+package oppen.tva.io.history
+
+import android.content.Context
+
+interface CacheInterface {
+    fun getTabs(onTabs: (tabs: MutableList<Tab>, activeIndex: Int)-> Unit)
+    fun update(tabs: List<Tab>, activeIndex: Int)
+
+    companion object{
+        fun default(context: Context): CacheInterface{
+            return SimplePrefsCache(context)
+        }
+    }
+}

app/src/main/java/oppen/tva/io/history/SimplePrefsCache.kt

@@ -0,0 +1,68 @@
+package oppen.tva.io.history
+
+import android.content.Context
+import org.json.JSONArray
+import org.json.JSONObject
+
+/**
+ *
+ * This is a simple SharedPreferences based store for now because I don't want to get bogged down setting up Room at this point
+ *
+ */
+class SimplePrefsCache(context: Context): CacheInterface {
+
+    private val prefsKey = "oppen.tva.io.history.SimplePrefsCache.PREFS_KEY"
+    private val prefsCacheKey = "oppen.tva.io.history.SimplePrefsCache.PREFS_CACHE_KEY"
+    private val prefsActiveIndexKey = "oppen.tva.io.history.SimplePrefsCache.PREFS_ACTIVE_INDEX_KEY"
+    private val prefs = context.getSharedPreferences(prefsKey, Context.MODE_PRIVATE)
+
+    override fun getTabs(onTabs: (tabs: MutableList<Tab>, activeIndex: Int) -> Unit) {
+        val activeIndex = prefs.getInt(prefsActiveIndexKey, 0)
+        when (val rawJson = prefs.getString(prefsCacheKey, null)) {
+            null -> onTabs(arrayListOf(), activeIndex)
+            else -> {
+                val tabs = mutableListOf<Tab>()
+                val tabsJsonArray = JSONArray(rawJson)
+                val tabCount = tabsJsonArray.length()
+                for(index in 0 until tabCount){
+                    val jsonTabObject = tabsJsonArray.getJSONObject(index)
+                    val tabIndex = jsonTabObject.getInt("index")
+                    val tab = Tab(tabIndex)
+                    val jsonTabHistory = jsonTabObject.getJSONArray("history")
+                    val historySize = jsonTabHistory.length()
+                    for(historyIndex in 0 until historySize){
+                        tab.add(jsonTabHistory.getString(historyIndex))
+                    }
+                    tabs.add(tab)
+                }
+
+                onTabs(tabs, activeIndex)
+            }
+        }
+    }
+
+    override fun update(tabs: List<Tab>, activeIndex: Int) {
+        val edit = prefs.edit()
+        edit.putInt(prefsActiveIndexKey, activeIndex)
+        edit.putString(prefsCacheKey, tabsToJson(tabs))
+        edit.apply()
+    }
+
+    private fun tabsToJson(tabs: List<Tab>): String {
+        val jsonArray = JSONArray()
+        tabs.forEach { tab ->
+            val jsonTab = JSONObject()
+            jsonTab.put("index", tab.index)
+
+            val jsonHistoryArray = JSONArray()
+            tab.history.forEach { uri ->
+                jsonHistoryArray.put(uri.toString())
+            }
+            jsonTab.put("history", jsonHistoryArray)
+            jsonArray.put(jsonTab)
+        }
+        val rawJsonArray = jsonArray.toString(5)
+        println("Raw tabs json to store:\n$rawJsonArray")
+        return rawJsonArray
+    }
+}

app/src/main/java/oppen/tva/io/history/Tab.kt

@@ -0,0 +1,23 @@
+package oppen.tva.io.history
+
+import java.net.URI
+
+class Tab(val index: Int) {
+    val history = mutableListOf<URI>()
+
+    fun add(uri: URI){
+        history.add(uri)
+    }
+
+    fun add(address: String){
+       history.add(URI.create(address))
+    }
+
+    companion object{
+        fun new(index: Int, address: String): Tab {
+            val tab = Tab(index)
+            tab.add(address)
+            return tab
+        }
+    }
+}

app/src/main/java/oppen/tva/ui/TvaActivity.kt

@@ -0,0 +1,57 @@
+package oppen.tva.ui
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.view.inputmethod.EditorInfo
+import androidx.activity.viewModels
+import androidx.databinding.DataBindingUtil
+import androidx.recyclerview.widget.LinearLayoutManager
+import oppen.tva.R
+import oppen.tva.databinding.ActivityTvaBinding
+import oppen.tva.io.TvaState
+import oppen.tva.io.history.CacheInterface
+import oppen.tva.ui.gemtext.GemtextAdapter
+
+class TvaActivity : AppCompatActivity() {
+
+    private val model by viewModels<TvaViewModel>()
+    private lateinit var binding: ActivityTvaBinding
+    private val adapter = GemtextAdapter{ uri ->
+        model.request(uri)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_tva)
+        binding.viewmodel = model
+        binding.lifecycleOwner = this
+
+        binding.gemtextRecycler.layoutManager = LinearLayoutManager(this)
+        binding.gemtextRecycler.adapter = adapter
+
+        model.initialise(CacheInterface.default(this)){ state ->
+            when(state){
+                is TvaState.AppQuery -> TODO()
+                is TvaState.Requesting -> TODO()
+                is TvaState.NotGeminiRequest -> TODO()
+                is TvaState.GeminiResponse -> renderGemtext(state)
+                TvaState.GeminiPrintWriterError -> TODO()
+            }
+        }
+
+        binding.addressEdit.setOnEditorActionListener { _, actionId, _ ->
+            when (actionId) {
+                EditorInfo.IME_ACTION_GO -> {
+                    model.request(binding.addressEdit.text.toString())
+                    return@setOnEditorActionListener true
+                }
+                else -> return@setOnEditorActionListener false
+            }
+        }
+    }
+
+    private fun renderGemtext(state: TvaState.GeminiResponse) = runOnUiThread {
+        binding.addressEdit.setText(state.uri.toString())
+        adapter.render(state.lines)
+    }
+}

app/src/main/java/oppen/tva/ui/TvaViewModel.kt

@@ -0,0 +1,62 @@
+package oppen.tva.ui
+
+import androidx.lifecycle.ViewModel
+import oppen.tva.io.Datasource
+import oppen.tva.io.TvaState
+import oppen.tva.io.history.CacheInterface
+import oppen.tva.io.history.Tab
+import java.net.URI
+
+class TvaViewModel: ViewModel() {
+
+    private val gemini = Datasource.factory()
+    private var onState: (state: TvaState) -> Unit = {}
+    private var activeTab = 0
+
+    private lateinit var cache: CacheInterface
+    private var tabs = mutableListOf<Tab>()
+
+    fun initialise(cache: CacheInterface, onState: (state: TvaState) -> Unit){
+        this.cache = cache
+        this.onState = onState
+
+
+        cache.getTabs { tabs, activeIndex ->
+            this.tabs.addAll(tabs)
+            if(tabs.isEmpty()){
+                this.tabs.add(Tab(0))
+                activeTab = 0
+                request(URI.create("gemini://gemini.circumlunar.space/"))
+            }else{
+                activeTab = activeIndex
+                request(tabs[activeTab].history.last())
+            }
+        }
+    }
+
+    fun request(address: String) {
+        request(URI.create(address))
+    }
+
+    fun request(uri: URI){
+        gemini.request(uri){ state ->
+            when(state){
+                is TvaState.Requesting -> {}
+                is TvaState.AppQuery -> {}
+                is TvaState.NotGeminiRequest -> {}
+                is TvaState.GeminiResponse -> renderGemini(state)
+                TvaState.GeminiPrintWriterError -> {}
+            }
+        }
+    }
+
+    private fun renderGemini(state: TvaState.GeminiResponse)  {
+        if(tabs[activeTab].history.isEmpty() || tabs[activeTab].history.last() != state.uri){
+            tabs[activeTab].add(state.uri)
+            cache.update(tabs, activeTab)
+        }
+
+        onState(state)
+
+    }
+}

app/src/main/java/oppen/tva/ui/gemtext/Gemtext.kt

@@ -0,0 +1,8 @@
+package oppen.tva.ui.gemtext
+
+sealed class Gemtext {
+    data class Text(val text: String): Gemtext()
+    data class Header(val text: String): Gemtext()
+    data class HalfHeader(val text: String): Gemtext()
+    data class ThirdHeader(val text: String): Gemtext()
+}

app/src/main/java/oppen/tva/ui/gemtext/GemtextAdapter.kt

@@ -0,0 +1,94 @@
+package oppen.tva.ui.gemtext
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import kotlinx.android.synthetic.main.gemtext_link.view.*
+import kotlinx.android.synthetic.main.gemtext_text.view.gemtext_text_textview
+import oppen.tva.R
+import java.net.URI
+
+class GemtextAdapter(val onLink: (link: URI) -> Unit): RecyclerView.Adapter<GemtextAdapter.ViewHolder>() {
+
+    var lines = mutableListOf<String>()
+
+    val typeText = 0
+    val typeH1 = 1
+    val typeH2 = 2
+    val typeH3 = 3
+    val typeListItem = 4
+    val typeLink = 5
+
+    sealed class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView){
+        class Text(itemView: View): ViewHolder(itemView)
+        class H1(itemView: View): ViewHolder(itemView)
+        class H2(itemView: View): ViewHolder(itemView)
+        class H3(itemView: View): ViewHolder(itemView)
+        class ListItem(itemView: View): ViewHolder(itemView)
+        class Link(itemView: View): ViewHolder(itemView)
+    }
+
+    fun render(lines: List<String>){
+        this.lines.clear()
+        this.lines.addAll(lines)
+        notifyDataSetChanged()
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        return when(viewType){
+            typeText -> ViewHolder.Text( LayoutInflater.from(parent.context).inflate(R.layout.gemtext_text, parent, false) )
+            typeH1 -> ViewHolder.H1( LayoutInflater.from(parent.context).inflate(R.layout.gemtext_h1, parent, false) )
+            typeH2 -> ViewHolder.H1( LayoutInflater.from(parent.context).inflate(R.layout.gemtext_h2, parent, false) )
+            typeH3 -> ViewHolder.H1( LayoutInflater.from(parent.context).inflate(R.layout.gemtext_h3, parent, false) )
+            typeListItem -> ViewHolder.ListItem( LayoutInflater.from(parent.context).inflate(R.layout.gemtext_text, parent, false) )
+            typeLink -> ViewHolder.Link( LayoutInflater.from(parent.context).inflate(R.layout.gemtext_link, parent, false) )
+            else -> ViewHolder.Text( LayoutInflater.from(parent.context).inflate(R.layout.gemtext_text, parent, false) )
+        }
+    }
+
+    override fun getItemViewType(position: Int): Int {
+        val line = lines[position]
+        return when {
+            line.startsWith("###") -> typeH3
+            line.startsWith("##") -> typeH2
+            line.startsWith("#") -> typeH1
+            line.startsWith("*") -> typeListItem
+            line.startsWith("=>") -> typeLink
+            else -> typeText
+        }
+    }
+
+    override fun getItemCount(): Int = lines.size
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val line = lines[position]
+
+        when(holder){
+            is ViewHolder.Text -> holder.itemView.gemtext_text_textview.text = line
+            is ViewHolder.H1 -> holder.itemView.gemtext_text_textview.text = line.drop(2).trim()
+            is ViewHolder.H2 -> holder.itemView.gemtext_text_textview.text = line.drop(3).trim()
+            is ViewHolder.H3 -> holder.itemView.gemtext_text_textview.text = line.drop(4).trim()
+            is ViewHolder.ListItem -> holder.itemView.gemtext_text_textview.text = "• ${line.drop(1)}".trim()
+            is ViewHolder.Link -> {
+                println("Tva: link: $line")
+                val linkParts = line.substring(2).trim().split("\\s+".toRegex(), 2)
+                var linkName = linkParts[0]
+                if(linkParts.size > 1) {
+                    linkName = linkParts[1]
+                }
+                val displayText = linkName
+                holder.itemView.gemtext_text_textview.text = displayText
+                holder.itemView.gemtext_text_textview.paint.isUnderlineText = true
+                holder.itemView.gemtext_link.setOnClickListener {
+                    onLink(getUri(lines[holder.adapterPosition]))
+                }
+            }
+        }
+    }
+
+    private fun getUri(linkLine: String): URI{
+        val linkParts = linkLine.substring(2).trim().split("\\s+".toRegex(), 2)
+        return URI.create(linkParts.first())
+    }
+}

app/src/main/res/drawable/vector_home.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M10,20v-6h4v6h5v-8h3L12,3 2,12h3v8z"/>
+</vector>

app/src/main/res/drawable/vector_overflow.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,8c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM12,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM12,16c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2z"/>
+</vector>

app/src/main/res/drawable/vector_tab.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M21,3L3,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h18c1.1,0 2,-0.9 2,-2L23,5c0,-1.1 -0.9,-2 -2,-2zM21,19L3,19L3,5h10v4h8v10z"/>
+</vector>

app/src/main/res/layout/activity_tva.xml

@@ -0,0 +1,96 @@
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <data>
+        <variable name="viewmodel" type="oppen.tva.ui.TvaViewModel" />
+    </data>
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true"
+        tools:context=".ui.TvaActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/app_bar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:fitsSystemWindows="true">
+
+        <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/toolbar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:fitsSystemWindows="true"
+            app:contentScrim="?attr/colorPrimary"
+            app:layout_scrollFlags="scroll|enterAlways"
+            app:toolbarId="@+id/toolbar">
+
+            <RelativeLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingTop="@dimen/default_margin"
+                android:paddingBottom="@dimen/default_margin">
+
+                <androidx.appcompat.widget.AppCompatImageButton
+                    android:id="@+id/home"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_centerVertical="true"
+                    android:layout_margin="@dimen/button_margin"
+                    android:background="?android:attr/selectableItemBackgroundBorderless"
+                    android:src="@drawable/vector_home" />
+
+                <androidx.appcompat.widget.AppCompatEditText
+                    android:id="@+id/address_edit"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_centerVertical="true"
+                    android:layout_toRightOf="@+id/home"
+                    android:layout_toLeftOf="@+id/tabs"
+                    android:singleLine="true"
+                    android:textSize="14sp"
+                    android:imeOptions="actionGo"
+                    android:hint="@string/gemini_protocol"/>
+
+                <androidx.appcompat.widget.AppCompatImageButton
+                    android:id="@+id/tabs"
+                    android:layout_toLeftOf="@+id/more"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_centerVertical="true"
+                    android:layout_margin="@dimen/button_margin"
+                    android:background="?android:attr/selectableItemBackgroundBorderless"
+                    android:src="@drawable/vector_tab" />
+
+                <androidx.appcompat.widget.AppCompatImageButton
+                    android:id="@+id/more"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_alignParentRight="true"
+                    android:layout_centerVertical="true"
+                    android:layout_margin="@dimen/button_margin"
+                    android:background="?android:attr/selectableItemBackgroundBorderless"
+                    android:src="@drawable/vector_overflow" />
+
+            </RelativeLayout>
+
+<!--            <androidx.appcompat.widget.Toolbar-->
+<!--                android:id="@+id/toolbar"-->
+<!--                android:layout_width="match_parent"-->
+<!--                android:layout_height="?attr/actionBarSize"-->
+<!--                app:layout_collapseMode="pin"-->
+<!--                app:popupTheme="@style/AppTheme.PopupOverlay" />-->
+
+        </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/gemtext_recycler"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+</layout>

app/src/main/res/layout/gemtext_h1.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.appcompat.widget.AppCompatTextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/gemtext_text_textview"
+    android:textSize="@dimen/h1_text_size"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_margin="@dimen/default_margin" />

app/src/main/res/layout/gemtext_h2.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.appcompat.widget.AppCompatTextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/gemtext_text_textview"
+    android:textSize="@dimen/h2_text_size"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_margin="@dimen/default_margin" />

app/src/main/res/layout/gemtext_h3.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.appcompat.widget.AppCompatTextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/gemtext_text_textview"
+    android:textSize="@dimen/h3_text_size"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_margin="@dimen/default_margin" />

app/src/main/res/layout/gemtext_link.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/gemtext_link"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:clickable="true"
+    android:focusable="true">
+
+    <androidx.appcompat.widget.AppCompatTextView
+        android:id="@+id/gemtext_text_textview"
+        android:textSize="@dimen/default_text_size"
+        android:paddingLeft="@dimen/default_margin"
+        android:paddingRight="@dimen/default_margin"
+        android:textColor="#ffdede"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+</RelativeLayout>

app/src/main/res/layout/gemtext_text.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.appcompat.widget.AppCompatTextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/gemtext_text_textview"
+    android:textSize="@dimen/default_text_size"
+    android:paddingLeft="@dimen/default_margin"
+    android:paddingRight="@dimen/default_margin"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content" />

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#6200EE</color>
+    <color name="colorPrimaryDark">#3700B3</color>
+    <color name="colorAccent">#03DAC5</color>
+</resources>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="default_margin">8dp</dimen>
+    <dimen name="button_margin">12dp</dimen>
+    <dimen name="default_text_size">16sp</dimen>
+    <dimen name="h1_text_size">28sp</dimen>
+    <dimen name="h2_text_size">22sp</dimen>
+    <dimen name="h3_text_size">18sp</dimen>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,4 @@
+<resources>
+    <string name="app_name">Två</string>
+    <string name="gemini_protocol">gemini://</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,17 @@
+<resources>
+    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+        <item name="android:windowTranslucentStatus">false</item>
+        <item name="android:statusBarColor">#1d1d1d</item>
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+
+</resources>

app/src/test/java/oppen/tva/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package oppen.tva
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

build.gradle

@@ -0,0 +1,26 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    ext.kotlin_version = "1.3.72"
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath "com.android.tools.build:gradle:4.0.1"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# 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.
+org.gradle.jvmargs=-Xmx2048m
+# 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
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Fri Aug 14 13:30:30 BST 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1,2 @@
+include ':app'
+rootProject.name = "Två"