Added .gitignore and updated to include the USB connection and stream on certainty of word/phrase results....

2026-01-22 16:32:36 +11:00
commit 813441645c
43 changed files with 1068 additions and 0 deletions
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -0,0 +1,52 @@
+# Built application files
+*.apk
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (contains personal SDK path)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation Editor temp files
+.navigation/
+
+# Captures
+captures/
+
+# IntelliJ / Android Studio project files
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+
+# Keystore files (NEVER commit these!)
+*.jks
+*.keystore
+*.pem
+
+# OS-specific files
+.DS_Store
+Thumbs.db
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -0,0 +1,58 @@
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "net.mmanningau.speechtokeyboard"
+    compileSdk = 36
+
+    defaultConfig {
+        applicationId = "net.mmanningau.speechtokeyboard"
+        minSdk = 28
+        targetSdk = 36
+        versionCode = 4
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.constraintlayout)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+
+    // 1. The "Brain": Vosk Offline Speech Recognition
+    implementation("com.alphacephei:vosk-android:0.3.47")
+    // (Optional) Helper for memory management if needed later
+    // Removed the following as it was listed as optional and it did cause errors -
+    // so to avoid a whole list of duplicate class found errors - this is already required via the VOSK libraries
+    // implementation("net.java.dev.jna:jna:5.13.0")
+
+    // 2. The "Mouth": USB Serial Driver for Android
+    implementation("com.github.mik3y:usb-serial-for-android:3.7.0")
+}
--- a/app/proguard-rules.pro
+++ b/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
--- a/app/src/androidTest/java/net/mmanningau/speechtokeyboard/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/net/mmanningau/speechtokeyboard/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package net.mmanningau.speechtokeyboard
+
+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("net.mmanningau.speechtokeyboard", appContext.packageName)
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <uses-feature android:name="android.hardware.usb.host" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.SpeechToKeyboard"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
+                android:resource="@xml/device_filter" />
+
+        </activity>
+
+        <activity
+            android:name=".TestModelActivity"
+            android:parentActivityName=".MainActivity"
+            android:label="Test Microphone" />
+
+    </application>
+
+</manifest>
--- a/app/src/main/java/net/mmanningau/speechtokeyboard/MainActivity.kt
+++ b/app/src/main/java/net/mmanningau/speechtokeyboard/MainActivity.kt
@@ -0,0 +1,149 @@
+package net.mmanningau.speechtokeyboard     // <--- MAKE SURE THIS MATCHES YOUR PACKAGE NAME
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import android.widget.TextView
+import android.widget.Toast
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import org.vosk.Model
+import org.vosk.android.SpeechService
+import java.io.File
+import java.util.zip.ZipInputStream
+
+class MainActivity : AppCompatActivity() {
+
+    // UI Components
+    private lateinit var statusText: TextView
+
+    // Vosk Components
+    private var model: Model? = null
+    private var speechService: SpeechService? = null
+
+    // 1. THE FILE PICKER REGISTRY
+    // This handles the result when the user picks a ZIP file
+    private val pickZipFile = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+        if (result.resultCode == Activity.RESULT_OK) {
+            result.data?.data?.let { uri ->
+                // User picked a file. Now we install it.
+                installModelFromUri(uri)
+            }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        statusText = findViewById(R.id.status_text_view) // Make sure you have a TextView with this ID in your layout
+        statusText.text = "Checking for existing model...."
+
+        // ADD THIS LINE AT THE BOTTOM:
+        // This attempts to load the model immediately if files exist
+        initVoskModel()
+    }
+
+    // 2. SETUP THE MENU
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.main_menu, menu)
+        return true
+    }
+
+    // 3. HANDLE MENU CLICKS
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            R.id.action_load_model -> {
+                openFilePicker()
+                true
+            }
+            R.id.action_test_model -> {
+                // Launch the new Test Activity
+                val intent = Intent(this, TestModelActivity::class.java)
+                startActivity(intent)
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    // 4. OPEN SYSTEM FILE PICKER
+    private fun openFilePicker() {
+        val intent = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            type = "application/zip" // Only show ZIP files
+        }
+        pickZipFile.launch(intent)
+    }
+
+    // 5. INSTALLATION LOGIC (Unzip to private storage)
+    private fun installModelFromUri(uri: android.net.Uri) {
+        statusText.text = "Installing model... please wait."
+
+        // Run in background thread to avoid freezing UI
+        Thread {
+            try {
+                contentResolver.openInputStream(uri)?.use { inputStream ->
+                    val zipInputStream = ZipInputStream(inputStream)
+                    val targetDir = File(filesDir, "vosk-model")
+
+                    // Clean up old model if exists
+                    if (targetDir.exists()) targetDir.deleteRecursively()
+                    targetDir.mkdirs()
+
+                    // Unzip loop
+                    var entry = zipInputStream.nextEntry
+                    while (entry != null) {
+                        val outFile = File(targetDir, entry.name)
+                        if (entry.isDirectory) {
+                            outFile.mkdirs()
+                        } else {
+                            // Ensure parent dir exists
+                            outFile.parentFile?.mkdirs()
+                            outFile.outputStream().use { output ->
+                                zipInputStream.copyTo(output)
+                            }
+                        }
+                        entry = zipInputStream.nextEntry
+                    }
+                }
+
+                // Back to UI Thread to say success
+                runOnUiThread {
+                    statusText.text = "Model Installed! Initializing..."
+                    initVoskModel()
+                }
+
+            } catch (e: Exception) {
+                runOnUiThread {
+                    Toast.makeText(this, "Error: ${e.message}", Toast.LENGTH_LONG).show()
+                    statusText.text = "Installation Failed."
+                }
+            }
+        }.start()
+    }
+
+    // 6. INITIALIZE VOSK "BRAIN"
+    // Replace your existing initVoskModel with this updated version
+    private fun initVoskModel() {
+        val modelPath = File(filesDir, "vosk-model")
+
+        // Check if the directory exists before trying to load
+        if (!modelPath.exists()) {
+            statusText.text = "No model found. Please load one."
+            return
+        }
+
+        val actualModelDir = modelPath.listFiles()?.firstOrNull { it.isDirectory } ?: modelPath
+
+        try {
+            model = Model(actualModelDir.absolutePath)
+            statusText.text = "Model Loaded & Ready!"
+            // Optional: Enable your 'Test' button here if you disabled it
+        } catch (e: Exception) {
+            statusText.text = "Error loading saved model: ${e.message}"
+        }
+    }
+}
--- a/app/src/main/java/net/mmanningau/speechtokeyboard/TestModelActivity.kt
+++ b/app/src/main/java/net/mmanningau/speechtokeyboard/TestModelActivity.kt
@@ -0,0 +1,254 @@
+package net.mmanningau.speechtokeyboard
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.widget.ImageButton
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import org.json.JSONObject
+import org.vosk.Model
+import org.vosk.Recognizer
+import org.vosk.android.RecognitionListener
+import org.vosk.android.SpeechService
+import java.io.File
+
+import android.content.Context
+import android.hardware.usb.UsbManager
+import com.hoho.android.usbserial.driver.UsbSerialPort
+import com.hoho.android.usbserial.driver.UsbSerialProber
+import com.hoho.android.usbserial.util.SerialInputOutputManager
+
+class TestModelActivity : AppCompatActivity(), RecognitionListener {
+
+    private lateinit var outputText: TextView
+    private lateinit var micButton: ImageButton
+
+    // Vosk Components
+    private var model: Model? = null
+    private var speechService: SpeechService? = null
+    private var isListening = false
+
+    // USB Components
+    private var usbPort: UsbSerialPort? = null
+    private var usbIoManager: SerialInputOutputManager? = null // Handles the data flow
+
+    private var committedText = "" // Stores the finalized sentences
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_test_model)
+
+        // Bind UI
+        outputText = findViewById(R.id.text_output_log)
+        micButton = findViewById(R.id.btn_mic_toggle)
+
+        // Check Permissions immediately
+        checkAudioPermission()
+
+        // Setup Button Listener
+        micButton.setOnClickListener {
+            toggleListening()
+        }
+
+        private fun connectToPico() {
+            val usbManager = getSystemService(Context.USB_SERVICE) as UsbManager
+
+            // 1. Find the Device
+            // (This probes specifically for devices listed in your device_filter.xml)
+            val availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(usbManager)
+            if (availableDrivers.isEmpty()) {
+                outputText.append("\n> No USB device found.")
+                return
+            }
+
+            // Assume the first device found is the Pico
+            val driver = availableDrivers[0]
+            val connection = usbManager.openDevice(driver.device)
+
+            if (connection == null) {
+                outputText.append("\n> Permission denied. Re-plug device?")
+                return
+            }
+
+            // 2. Open the Port
+            // Most Picos use port 0.
+            usbPort = driver.ports[0]
+
+            try {
+                usbPort?.open(connection)
+                // 3. Set Parameters (Must match your Pico's C/Python code!)
+                // 115200 Baud, 8 Data bits, 1 Stop bit, No Parity
+                usbPort?.setParameters(115200, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE)
+
+                outputText.append("\n> USB Connected to Pico!")
+            } catch (e: Exception) {
+                outputText.append("\n> USB Error: ${e.message}")
+            }
+        }
+
+        // Initialize the model in background
+        initModel()
+    }
+
+    private fun initModel() {
+        // We look for the folder inside private storage (same logic as MainActivity)
+        val modelPath = File(filesDir, "vosk-model")
+
+        if (!modelPath.exists()) {
+            outputText.text = "Error: Model not found. Please go back and load a model first."
+            micButton.isEnabled = false
+            return
+        }
+
+        Thread {
+            try {
+                // Find the actual model folder inside
+                val actualModelDir = modelPath.listFiles()?.firstOrNull { it.isDirectory } ?: modelPath
+                model = Model(actualModelDir.absolutePath)
+
+                runOnUiThread {
+                    outputText.append("\n\n> Model Loaded. Ready.")
+                }
+            } catch (e: Exception) {
+                runOnUiThread {
+                    outputText.text = "Error loading model: ${e.message}"
+                }
+            }
+        }.start()
+    }
+
+    private fun sendToPico(text: String) {
+        if (usbPort == null) return // Safety check
+
+        try {
+            // Convert text to bytes and send
+            val data = text.toByteArray(Charsets.UTF_8)
+            usbPort?.write(data, 1000) // 1000ms timeout
+        } catch (e: Exception) {
+            outputText.append("\n[Send Failed: ${e.message}]")
+        }
+    }
+
+    private fun toggleListening() {
+        if (model == null) {
+            Toast.makeText(this, "Model not loaded yet", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        if (isListening) {
+            stopRecognition()
+        } else {
+            startRecognition()
+        }
+    }
+
+    private fun startRecognition() {
+        try {
+            val recognizer = Recognizer(model, 16000.0f) // 16kHz is standard for Vosk
+            speechService = SpeechService(recognizer, 16000.0f)
+            //speechService?.addListener(this)           <----- removed this as it generated an error
+            speechService?.startListening(this)
+
+            isListening = true
+            micButton.setColorFilter(android.graphics.Color.RED) // Turn button red
+            outputText.text = "" // Clear previous text
+            outputText.append("> Listening...\n")
+
+        } catch (e: Exception) {
+            outputText.append("\nError starting mic: ${e.message}")
+        }
+    }
+
+    private fun stopRecognition() {
+        speechService?.stop()
+        speechService = null
+        isListening = false
+        micButton.clearColorFilter() // Reset button color
+        outputText.append("\n> Stopped.")
+    }
+
+    // --- Vosk Listener Callbacks ---
+
+    override fun onResult(hypothesis: String?) {
+        hypothesis?.let {
+            val text = parseVoskResult(it)
+            if (text.isNotEmpty()) {
+                // 1. Update the UI History
+                // Add the new sentence to our history
+                committedText += "$text. "
+                // Update screen
+                outputText.text = "$committedText"
+
+                // 2. SEND TO PICO
+                // We append a space because speech engines strip trailing spaces,
+                // and you don't want "helloworld" typed into your computer.
+                sendToPico("$text ")
+            }
+        }
+    }
+
+    override fun onPartialResult(hypothesis: String?) {
+        // Optional: Shows words as they are being spoken (streaming)
+        // You can enable this if you want to see "typing" effect
+        hypothesis?.let {
+            // Parse the "partial" JSON key
+            val partial = JSONObject(it).optString("partial", "")
+
+            if (partial.isNotEmpty()) {
+                // Display: [History] + [Current Streaming Guess]
+                outputText.text = "$committedText $partial..."
+            }
+        }
+    }
+
+    override fun onFinalResult(hypothesis: String?) {
+        // Final flush when stopping
+        hypothesis?.let {
+            val text = parseVoskResult(it)
+            if (text.isNotEmpty()) {
+                outputText.append("$text\n")
+            }
+        }
+    }
+
+    override fun onError(exception: Exception?) {
+        outputText.append("\nError: ${exception?.message}")
+    }
+
+    override fun onTimeout() {
+        outputText.append("\nTimeout.")
+    }
+
+    // Helper to clean JSON: {"text": "hello world"} -> "hello world"
+    private fun parseVoskResult(json: String): String {
+        return try {
+            JSONObject(json).optString("text", "")
+        } catch (e: Exception) {
+            ""
+        }
+    }
+
+    // Permission Helper
+    private fun checkAudioPermission() {
+        if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.RECORD_AUDIO), 1)
+        }
+    }
+
+    // Cleanup on exit
+    override fun onDestroy() {
+        super.onDestroy()
+        speechService?.shutdown()
+
+        // Close USB
+        try {
+            usbPort?.close()
+        } catch (e: Exception) {
+            // Ignore errors on close
+        }
+    }
+}
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:padding="20dp">
+
+    <TextView
+        android:id="@+id/status_text_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Status"
+        android:textSize="18sp" />
+
+</LinearLayout>
--- a/app/src/main/res/layout/activity_test_model.xml
+++ b/app/src/main/res/layout/activity_test_model.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:weightSum="4">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:background="#EEEEEE">
+
+        <ImageButton
+            android:id="@+id/btn_mic_toggle"
+            android:layout_width="80dp"
+            android:layout_height="80dp"
+            android:layout_gravity="center"
+            android:background="@android:drawable/btn_default"
+            android:src="@android:drawable/ic_btn_speak_now"
+            android:scaleType="fitCenter"
+            android:padding="10dp"
+            android:contentDescription="Toggle Microphone" />
+    </FrameLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="3"
+        android:fillViewport="true"
+        android:padding="16dp">
+
+        <TextView
+            android:id="@+id/text_output_log"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Press the mic to start listening..."
+            android:textSize="18sp"
+            android:fontFamily="monospace"
+            android:textColor="#000000" />
+    </ScrollView>
+
+</LinearLayout>
--- a/app/src/main/res/menu/main_menu.xml
+++ b/app/src/main/res/menu/main_menu.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_load_model"
+        android:icon="@android:drawable/ic_menu_manage"
+        android:title="Load Vosk Model"
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/action_test_model"
+        android:icon="@android:drawable/ic_btn_speak_now"
+        android:title="Test Model"
+        app:showAsAction="ifRoom" />
+</menu>
--- a/app/src/main/res/mipmap-anydpi/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi/ic_launcher.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/values-night/themes.xml
+++ b/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.SpeechToKeyboard" parent="Theme.Material3.DayNight">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Speech To Keyboard</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.SpeechToKeyboard" parent="Theme.Material3.DayNight">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.SpeechToKeyboard" parent="Base.Theme.SpeechToKeyboard" />
+</resources>
--- a/app/src/main/res/xml/backup_rules.xml
+++ b/app/src/main/res/xml/backup_rules.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older than API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
--- a/app/src/main/res/xml/data_extraction_rules.xml
+++ b/app/src/main/res/xml/data_extraction_rules.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
--- a/app/src/main/res/xml/device_filter.xml
+++ b/app/src/main/res/xml/device_filter.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <usb-device vendor-id="11914" />
+</resources>
--- a/app/src/test/java/net/mmanningau/speechtokeyboard/ExampleUnitTest.kt
+++ b/app/src/test/java/net/mmanningau/speechtokeyboard/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package net.mmanningau.speechtokeyboard
+
+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)
+    }
+}