initial gui implemented

.gitignore

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+# Build artifacts
+.gradle/
+build/
+app/build/
+*.apk
+*.aar
+*.jks
+
+# IDE settings
+.idea/
+*.iml
+.DS_Store
+captures/
+
+# Sensitive info
+local.properties
+
+# Generated files
+.cxx/
+.externalNativeBuild/

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/AndroidProjectSystem.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>

.idea/appInsightsSettings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AppInsightsSettings">
+    <option name="selectedTabId" value="Android vitals" />
+  </component>
+</project>

.idea/compiler.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="21" />
+  </component>
+</project>

.idea/deploymentTargetSelector.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2026-03-23T00:21:31.459746219Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="LocalEmulator" identifier="path=/home/mahalo/.var/app/com.google.AndroidStudio/config/.android/avd/Medium_Phone.avd" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>

.idea/deviceManager.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="ASCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+  </component>
+</project>

.idea/gradle.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="jbr-21" project-jdk-type="JavaSDK" />
+</project>

.idea/runConfigurations.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

.idea/studiobot.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="StudioBotProjectSettings">
+    <option name="shareContext" value="OptedIn" />
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'com.example.stims'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.example.stims"
+        minSdk 24
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary true
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion '1.5.8'
+    }
+    packagingOptions {
+        resources {
+            excludes += '/META-INF/{AL2.0,LGPL2.1}'
+        }
+    }
+}
+
+dependencies {
+    implementation 'androidx.core:core-ktx:1.12.0'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.7.0'
+    implementation 'androidx.activity:activity-compose:1.8.2'
+    implementation platform('androidx.compose:compose-bom:2023.10.01')
+    implementation 'androidx.compose.ui:ui'
+    implementation 'androidx.compose.ui:ui-graphics'
+    implementation 'androidx.compose.ui:ui-tooling-preview'
+    implementation 'androidx.compose.material3:material3'
+    implementation 'androidx.compose.material:material-icons-extended'
+    
+    // Added for XML theme support
+    implementation 'com.google.android.material:material:1.11.0'
+
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    androidTestImplementation platform('androidx.compose:compose-bom:2023.10.01')
+    androidTestImplementation 'androidx.compose.ui:ui-test-junit4'
+    debugImplementation 'androidx.compose.ui:ui-tooling'
+    debugImplementation 'androidx.compose.ui:ui-test-manifest'
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- Required to query all installed apps on Android 11+ -->
+    <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@android:drawable/sym_def_app_icon"
+        android:label="@string/app_name"
+        android:roundIcon="@android:drawable/sym_def_app_icon"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Stims">
+        <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>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/stims/MainActivity.kt

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+package com.example.stims
+
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.graphics.drawable.Drawable
+import android.os.Bundle
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.asImageBitmap
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.core.graphics.drawable.toBitmap
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+data class AppInfo(
+    val name: String,
+    val packageName: String,
+    val icon: Drawable? = null
+)
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            Surface(
+                modifier = Modifier.fillMaxSize(),
+                color = MaterialTheme.colorScheme.background
+            ) {
+                AppListScreen()
+            }
+        }
+    }
+}
+
+@Composable
+fun AppListScreen() {
+    val context = LocalContext.current
+    val packageManager = context.packageManager
+    
+    var allApps by remember { mutableStateOf<List<AppInfo>>(emptyList()) }
+    var isLoading by remember { mutableStateOf(true) }
+    
+    LaunchedEffect(Unit) {
+        allApps = withContext(Dispatchers.IO) {
+            val intent = Intent(Intent.ACTION_MAIN, null).apply {
+                addCategory(Intent.CATEGORY_LAUNCHER)
+            }
+            // Query for all activities that can be launched
+            val resolveInfos = packageManager.queryIntentActivities(intent, 0)
+            
+            resolveInfos.map { resolveInfo ->
+                AppInfo(
+                    name = resolveInfo.loadLabel(packageManager).toString(),
+                    packageName = resolveInfo.activityInfo.packageName,
+                    icon = resolveInfo.loadIcon(packageManager)
+                )
+            }.distinctBy { it.packageName } // Avoid duplicates if an app has multiple launchers
+             .sortedBy { it.name }
+        }
+        isLoading = false
+    }
+
+    var searchQuery by remember { mutableStateOf("") }
+    val selectedApps = remember { mutableStateListOf<AppInfo>() }
+
+    val filteredApps = remember(searchQuery, allApps) {
+        if (searchQuery.isBlank()) {
+            allApps
+        } else {
+            allApps.filter { 
+                it.name.contains(searchQuery, ignoreCase = true) || 
+                it.packageName.contains(searchQuery, ignoreCase = true) 
+            }
+        }
+    }
+
+    if (isLoading) {
+        Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+            CircularProgressIndicator()
+        }
+    } else {
+        Column {
+            OutlinedTextField(
+                value = searchQuery,
+                onValueChange = { searchQuery = it },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                placeholder = { Text("Search apps...") },
+                leadingIcon = { Icon(Icons.Default.Search, contentDescription = null) },
+                singleLine = true
+            )
+
+            if (selectedApps.isNotEmpty()) {
+                Text(
+                    text = "${selectedApps.size} apps selected",
+                    style = MaterialTheme.typography.titleMedium,
+                    modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp),
+                    color = MaterialTheme.colorScheme.primary
+                )
+            }
+
+            LazyColumn(modifier = Modifier.weight(1f)) {
+                items(filteredApps) { app ->
+                    val isSelected = selectedApps.any { it.packageName == app.packageName }
+                    AppItem(
+                        app = app,
+                        isSelected = isSelected,
+                        onToggleSelection = {
+                            if (isSelected) {
+                                selectedApps.removeAll { it.packageName == app.packageName }
+                            } else {
+                                selectedApps.add(app)
+                            }
+                        }
+                    )
+                }
+            }
+            
+            if (selectedApps.isNotEmpty()) {
+                Button(
+                    onClick = { 
+                        val names = selectedApps.joinToString { it.name }
+                        Toast.makeText(context, "Selected: $names", Toast.LENGTH_LONG).show()
+                    },
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(16.dp)
+                ) {
+                    Text("Confirm Selection")
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun AppItem(
+    app: AppInfo, 
+    isSelected: Boolean, 
+    onToggleSelection: () -> Unit
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onToggleSelection)
+            .padding(horizontal = 16.dp, vertical = 8.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        if (app.icon != null) {
+            Image(
+                bitmap = app.icon.toBitmap().asImageBitmap(),
+                contentDescription = null,
+                modifier = Modifier.size(48.dp)
+            )
+        } else {
+            Surface(
+                modifier = Modifier.size(48.dp),
+                color = MaterialTheme.colorScheme.primaryContainer,
+                shape = MaterialTheme.shapes.small
+            ) {}
+        }
+        
+        Spacer(modifier = Modifier.width(16.dp))
+        
+        Column(modifier = Modifier.weight(1f)) {
+            Text(text = app.name, style = MaterialTheme.typography.bodyLarge)
+            Text(
+                text = app.packageName, 
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+
+        Checkbox(
+            checked = isSelected,
+            onCheckedChange = { onToggleSelection() }
+        )
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun AppItemPreview() {
+    MaterialTheme {
+        AppItem(
+            app = AppInfo("Example App", "com.example.app", null),
+            isSelected = true,
+            onToggleSelection = {}
+        )
+    }
+}

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

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+<resources>
+    <string name="app_name">Stims</string>
+</resources>

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

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+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Stims" parent="Theme.Material3.Light.NoActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

build.gradle

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+// Top-level build file
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:8.2.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.22"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}

gradle.properties

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+android.useAndroidX=true
+android.enableJetifier=true
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

settings.gradle

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+rootProject.name = "stims"
+include ':app'