1.0.1 - Notification reliability update... again

Reviewed-on: atridad/OpenClimb#2

.idea/caches/deviceStreaming.xml

@@ -817,6 +817,19 @@
           <option name="screenX" value="1080" />
           <option name="screenY" value="2424" />
         </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="36" />
+          <option name="brand" value="google" />
+          <option name="codename" value="tokay" />
+          <option name="default" value="true" />
+          <option name="id" value="tokay" />
+          <option name="labId" value="google" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 9" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2424" />
+        </PersistentDeviceSelectionData>
         <PersistentDeviceSelectionData>
           <option name="api" value="34" />
           <option name="brand" value="samsung" />

.idea/misc.xml

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="temurin-21" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="temurin-21" project-jdk-type="JavaSDK" />
 </project>

app/build.gradle.kts

@@ -8,14 +8,14 @@ plugins {
 
 android {
     namespace = "com.atridad.openclimb"
-    compileSdk = 35
+    compileSdk = 36
 
     defaultConfig {
         applicationId = "com.atridad.openclimb"
-        minSdk = 31
+        minSdk = 33
-        targetSdk = 35
+        targetSdk = 36
-        versionCode = 8
+        versionCode = 15
-        versionName = "0.4.1"
+        versionName = "1.0.1"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -30,12 +30,19 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "11"
+        jvmTarget = "17"
     }
+    
+    java {
+        toolchain {
+            languageVersion.set(JavaLanguageVersion.of(17))
+        }
+    }
+    
     buildFeatures {
         compose = true
     }
@@ -74,13 +81,16 @@ dependencies {
     // Image Loading
     implementation(libs.coil.compose)
     
-    // Charts - Placeholder for future implementation
-    // Charts will be implemented with a stable library in future versions
-    
     // Testing
     testImplementation(libs.junit)
+    testImplementation(libs.mockk)
+    testImplementation(libs.kotlinx.coroutines.test)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(libs.androidx.test.core)
+    androidTestImplementation(libs.androidx.test.ext)
+    androidTestImplementation(libs.androidx.test.runner)
+    androidTestImplementation(libs.androidx.test.rules)
     androidTestImplementation(platform(libs.androidx.compose.bom))
     androidTestImplementation(libs.androidx.ui.test.junit4)
     debugImplementation(libs.androidx.ui.tooling)

app/src/main/AndroidManifest.xml

@@ -12,6 +12,7 @@
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
     
     <application
         android:allowBackup="true"
@@ -27,7 +28,7 @@
             android:name=".MainActivity"
             android:exported="true"
             android:label="@string/app_name"
-            android:theme="@style/Theme.OpenClimb">
+            android:theme="@style/Theme.OpenClimb.Splash">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/com/atridad/openclimb/MainActivity.kt

@@ -13,6 +13,7 @@ import com.atridad.openclimb.ui.theme.OpenClimbTheme
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        setTheme(R.style.Theme_OpenClimb)
         enableEdgeToEdge()
         setContent {
             OpenClimbTheme {

app/src/main/java/com/atridad/openclimb/service/SessionTrackingService.kt

@@ -7,6 +7,7 @@ import android.app.Service
 import android.content.Context
 import android.content.Intent
 import android.os.IBinder
+import android.os.PowerManager
 import androidx.core.app.NotificationCompat
 import com.atridad.openclimb.MainActivity
 import com.atridad.openclimb.R
@@ -21,8 +22,11 @@ class SessionTrackingService : Service() {
     
     private val serviceScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
     private var notificationJob: Job? = null
+    private var monitoringJob: Job? = null
+    private var wakeLock: PowerManager.WakeLock? = null
     
     private lateinit var repository: ClimbRepository
+    private lateinit var notificationManager: NotificationManager
     
     companion object {
         const val NOTIFICATION_ID = 1001
@@ -51,8 +55,10 @@ class SessionTrackingService : Service() {
         
         val database = OpenClimbDatabase.getDatabase(this)
         repository = ClimbRepository(database, this)
+        notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
         
         createNotificationChannel()
+        acquireWakeLock()
     }
     
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
@@ -81,31 +87,88 @@ class SessionTrackingService : Service() {
                 }
             }
         }
+        // Return START_STICKY to restart service if it gets killed
         return START_STICKY
     }
     
+    override fun onTaskRemoved(rootIntent: Intent?) {
+        super.onTaskRemoved(rootIntent)
+        // If the app is removed from recent tasks, ensure the service keeps running
+        // This helps maintain the notification even if the user swipes away the app
+    }
+    
+    override fun onLowMemory() {
+        super.onLowMemory()
+        // Don't stop the service on low memory, just log it
+        // The notification is important for user experience
+    }
+    
     override fun onBind(intent: Intent?): IBinder? = null
     
     private fun startSessionTracking(sessionId: String) {
+        // Cancel any existing jobs
         notificationJob?.cancel()
+        monitoringJob?.cancel()
+        
+        // Start the main notification update job
         notificationJob = serviceScope.launch {
+            try {
                 // Initial notification update
                 updateNotification(sessionId)
                 
-            // Then update every second
+                // Update every 2 seconds for better performance
                 while (isActive) {
-                delay(1000L)
+                    delay(2000L)
                     updateNotification(sessionId)
                 }
+            } catch (e: Exception) {
+                // Log error and continue
+                e.printStackTrace()
+            }
+        }
+        
+        // Start the monitoring job that ensures notification stays active
+        monitoringJob = serviceScope.launch {
+            try {
+                while (isActive) {
+                    delay(5000L) // Check every 5 seconds
+                    
+                    // Verify the notification is still active
+                    if (!isNotificationActive()) {
+                        // Notification was dismissed, recreate it
+                        updateNotification(sessionId)
+                    }
+                    
+                    // Verify the session is still active
+                    val session = repository.getSessionById(sessionId)
+                    if (session == null || session.status != com.atridad.openclimb.data.model.SessionStatus.ACTIVE) {
+                        stopSessionTracking()
+                        break
+                    }
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
         }
     }
     
     private fun stopSessionTracking() {
         notificationJob?.cancel()
+        monitoringJob?.cancel()
+        releaseWakeLock()
         stopForeground(STOP_FOREGROUND_REMOVE)
         stopSelf()
     }
     
+    private fun isNotificationActive(): Boolean {
+        return try {
+            val activeNotifications = notificationManager.activeNotifications
+            activeNotifications.any { it.id == NOTIFICATION_ID }
+        } catch (e: Exception) {
+            false
+        }
+    }
+    
     private suspend fun updateNotification(sessionId: String) {
         try {
             val session = repository.getSessionById(sessionId)
@@ -141,7 +204,10 @@ class SessionTrackingService : Service() {
                 .setContentText("${gym?.name ?: "Gym"} • $duration • ${attempts.size} attempts")
                 .setSmallIcon(R.drawable.ic_mountains)
                 .setOngoing(true)
+                .setAutoCancel(false)
                 .setPriority(NotificationCompat.PRIORITY_LOW)
+                .setCategory(NotificationCompat.CATEGORY_SERVICE)
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
                 .setContentIntent(createOpenAppIntent())
                 .addAction(
                     R.drawable.ic_mountains,
@@ -155,20 +221,31 @@ class SessionTrackingService : Service() {
                 )
                 .build()
             
-            // Force update the notification every second
+            // Always start foreground to ensure service stays alive
-            val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
+            startForeground(NOTIFICATION_ID, notification)
+            
+            // Also notify separately to ensure it's visible
             notificationManager.notify(NOTIFICATION_ID, notification)
             
-            startForeground(NOTIFICATION_ID, notification)
+        } catch (e: Exception) {
-        } catch (_: Exception) {
+            e.printStackTrace()
-            // Handle errors gracefully
+            // Don't stop the service on notification errors, just log them
+            // Try to restart the notification after a delay
+            try {
+                delay(5000L)
+                updateNotification(sessionId)
+            } catch (retryException: Exception) {
+                retryException.printStackTrace()
+                // If retry fails, stop the service to prevent infinite loops
                 stopSessionTracking()
             }
         }
+    }
     
     private fun createOpenAppIntent(): PendingIntent {
         val intent = Intent(this, MainActivity::class.java).apply {
             flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP
+            action = "OPEN_SESSION"
         }
         return PendingIntent.getActivity(
             this,
@@ -196,15 +273,46 @@ class SessionTrackingService : Service() {
         ).apply {
             description = "Shows active climbing session information"
             setShowBadge(false)
+            lockscreenVisibility = NotificationCompat.VISIBILITY_PUBLIC
+            enableLights(false)
+            enableVibration(false)
         }
 
-        val notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
         notificationManager.createNotificationChannel(channel)
     }
     
+    private fun acquireWakeLock() {
+        try {
+            val powerManager = getSystemService(Context.POWER_SERVICE) as PowerManager
+            wakeLock = powerManager.newWakeLock(
+                PowerManager.PARTIAL_WAKE_LOCK,
+                "OpenClimb:SessionTrackingWakeLock"
+            ).apply {
+                acquire(10*60*1000L) // 10 minutes timeout
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+    
+    private fun releaseWakeLock() {
+        try {
+            wakeLock?.let {
+                if (it.isHeld) {
+                    it.release()
+                }
+            }
+            wakeLock = null
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+    
     override fun onDestroy() {
         super.onDestroy()
         notificationJob?.cancel()
+        monitoringJob?.cancel()
+        releaseWakeLock()
         serviceScope.cancel()
     }
 }

app/src/main/java/com/atridad/openclimb/ui/OpenClimbApp.kt

@@ -1,8 +1,13 @@
 package com.atridad.openclimb.ui
 
+import android.Manifest
+import android.content.pm.PackageManager
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.PlayArrow
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
@@ -18,9 +23,12 @@ import com.atridad.openclimb.data.database.OpenClimbDatabase
 import com.atridad.openclimb.data.repository.ClimbRepository
 import com.atridad.openclimb.navigation.Screen
 import com.atridad.openclimb.navigation.bottomNavigationItems
+import com.atridad.openclimb.ui.components.NotificationPermissionDialog
 import com.atridad.openclimb.ui.screens.*
+import com.atridad.openclimb.ui.theme.OpenClimbTheme
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModelFactory
+import com.atridad.openclimb.utils.NotificationPermissionUtils
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -34,6 +42,40 @@ fun OpenClimbApp() {
         factory = ClimbViewModelFactory(repository)
     )
     
+    // Notification permission state
+    var showNotificationPermissionDialog by remember { mutableStateOf(false) }
+    var hasCheckedNotificationPermission by remember { mutableStateOf(false) }
+    
+    // Permission launcher
+    val permissionLauncher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.RequestPermission()
+    ) { isGranted: Boolean ->
+        // Handle permission result
+        if (isGranted) {
+            // Permission granted, continue
+        } else {
+            // Permission denied, show dialog again later
+            showNotificationPermissionDialog = false
+        }
+    }
+    
+    // Check notification permission on first launch
+    LaunchedEffect(Unit) {
+        if (!hasCheckedNotificationPermission) {
+            hasCheckedNotificationPermission = true
+            
+            if (NotificationPermissionUtils.shouldRequestNotificationPermission() &&
+                !NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                showNotificationPermissionDialog = true
+            }
+        }
+    }
+    
+    // Ensure session tracking service is running when app resumes
+    LaunchedEffect(Unit) {
+        viewModel.ensureSessionTrackingServiceRunning(context)
+    }
+    
     // FAB configuration
     var fabConfig by remember { mutableStateOf<FabConfig?>(null) }
 
@@ -67,15 +109,21 @@ fun OpenClimbApp() {
                 LaunchedEffect(gyms, activeSession) {
                     fabConfig = if (gyms.isNotEmpty() && activeSession == null) {
                         FabConfig(
-                            icon = Icons.Default.Add,
+                            icon = Icons.Default.PlayArrow,
                             contentDescription = "Start Session",
                             onClick = { 
+                                // Check notification permission before starting session
+                                if (NotificationPermissionUtils.shouldRequestNotificationPermission() &&
+                                    !NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                                    showNotificationPermissionDialog = true
+                                } else {
                                     if (gyms.size == 1) {
                                         viewModel.startSession(context, gyms.first().id)
                                     } else {
                                         navController.navigate(Screen.AddEditSession())
                                     }
                                 }
+                            }
                         )
                     } else {
                         null
@@ -151,7 +199,10 @@ fun OpenClimbApp() {
                 SessionDetailScreen(
                     sessionId = args.sessionId,
                     viewModel = viewModel,
-                    onNavigateBack = { navController.popBackStack() }
+                    onNavigateBack = { navController.popBackStack() },
+                    onNavigateToProblemDetail = { problemId ->
+                        navController.navigate(Screen.ProblemDetail(problemId))
+                    }
                 )
             }
             
@@ -177,6 +228,12 @@ fun OpenClimbApp() {
                     onNavigateBack = { navController.popBackStack() },
                     onNavigateToEdit = { gymId ->
                         navController.navigate(Screen.AddEditGym(gymId = gymId))
+                    },
+                    onNavigateToSessionDetail = { sessionId ->
+                        navController.navigate(Screen.SessionDetail(sessionId))
+                    },
+                    onNavigateToProblemDetail = { problemId ->
+                        navController.navigate(Screen.ProblemDetail(problemId))
                     }
                 )
             }
@@ -214,6 +271,16 @@ fun OpenClimbApp() {
                 )
             }
         }
+        
+        // Notification permission dialog
+        if (showNotificationPermissionDialog) {
+            NotificationPermissionDialog(
+                onDismiss = { showNotificationPermissionDialog = false },
+                onRequestPermission = {
+                    permissionLauncher.launch(NotificationPermissionUtils.getNotificationPermissionString())
+                }
+            )
+        }
     }
 }
 

app/src/main/java/com/atridad/openclimb/ui/components/ActiveSessionBanner.kt

@@ -3,7 +3,6 @@ package com.atridad.openclimb.ui.components
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.PlayArrow
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
@@ -13,9 +12,10 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import com.atridad.openclimb.data.model.ClimbSession
 import com.atridad.openclimb.data.model.Gym
+import com.atridad.openclimb.ui.theme.CustomIcons
+import kotlinx.coroutines.delay
 import java.time.LocalDateTime
 import java.time.temporal.ChronoUnit
-import kotlinx.coroutines.delay
 
 @Composable
 fun ActiveSessionBanner(
@@ -95,7 +95,7 @@ fun ActiveSessionBanner(
                     )
                 ) {
                     Icon(
-                        Icons.Default.Close,
+                        imageVector = CustomIcons.Stop(MaterialTheme.colorScheme.onError),
                         contentDescription = "End session"
                     )
                 }

app/src/main/java/com/atridad/openclimb/ui/components/NotificationPermissionDialog.kt

@@ -0,0 +1,89 @@
+package com.atridad.openclimb.ui.components
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Notifications
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+
+@Composable
+fun NotificationPermissionDialog(
+    onDismiss: () -> Unit,
+    onRequestPermission: () -> Unit
+) {
+    Dialog(
+        onDismissRequest = onDismiss,
+        properties = DialogProperties(
+            dismissOnBackPress = false,
+            dismissOnClickOutside = false
+        )
+    ) {
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            shape = MaterialTheme.shapes.medium
+        ) {
+            Column(
+                modifier = Modifier.padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Icon(
+                    imageVector = Icons.Default.Notifications,
+                    contentDescription = "Notifications",
+                    modifier = Modifier.size(48.dp),
+                    tint = MaterialTheme.colorScheme.primary
+                )
+                
+                Spacer(modifier = Modifier.height(16.dp))
+                
+                Text(
+                    text = "Enable Notifications",
+                    style = MaterialTheme.typography.headlineSmall,
+                    fontWeight = MaterialTheme.typography.headlineSmall.fontWeight,
+                    textAlign = TextAlign.Center
+                )
+                
+                Spacer(modifier = Modifier.height(12.dp))
+                
+                Text(
+                    text = "OpenClimb needs notification permission to show your active climbing session. This helps you track your progress and ensures the session doesn't get interrupted.",
+                    style = MaterialTheme.typography.bodyMedium,
+                    textAlign = TextAlign.Center,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+                
+                Spacer(modifier = Modifier.height(24.dp))
+                
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.spacedBy(12.dp)
+                ) {
+                    TextButton(
+                        onClick = onDismiss,
+                        modifier = Modifier.weight(1f)
+                    ) {
+                        Text("Not Now")
+                    }
+                    
+                    Button(
+                        onClick = {
+                            onRequestPermission()
+                            onDismiss()
+                        },
+                        modifier = Modifier.weight(1f)
+                    ) {
+                        Text("Enable")
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/atridad/openclimb/ui/screens/DetailScreens.kt

@@ -31,6 +31,7 @@ import androidx.lifecycle.viewModelScope
 import com.atridad.openclimb.data.model.*
 import com.atridad.openclimb.ui.components.FullscreenImageViewer
 import com.atridad.openclimb.ui.components.ImageDisplaySection
+import com.atridad.openclimb.ui.theme.CustomIcons
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
@@ -209,7 +210,12 @@ fun EditAttemptDialog(
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun SessionDetailScreen(sessionId: String, viewModel: ClimbViewModel, onNavigateBack: () -> Unit) {
+fun SessionDetailScreen(
+    sessionId: String, 
+    viewModel: ClimbViewModel, 
+    onNavigateBack: () -> Unit,
+    onNavigateToProblemDetail: (String) -> Unit = {}
+) {
     val context = LocalContext.current
     val attempts by viewModel.getAttemptsBySession(sessionId).collectAsState(initial = emptyList())
     val sessions by viewModel.sessions.collectAsState()
@@ -283,10 +289,25 @@ fun SessionDetailScreen(sessionId: String, viewModel: ClimbViewModel, onNavigate
                         }
                     }
 
+                    // Show stop icon for active sessions, delete icon for completed sessions
+                    if (session?.status == SessionStatus.ACTIVE) {
+                        IconButton(onClick = { 
+                            session?.let { s ->
+                                viewModel.endSession(context, s.id)
+                                onNavigateBack()
+                            }
+                        }) {
+                            Icon(
+                                imageVector = CustomIcons.Stop(MaterialTheme.colorScheme.onSurface),
+                                contentDescription = "Stop Session"
+                            )
+                        }
+                    } else {
                         IconButton(onClick = { showDeleteDialog = true }) {
                             Icon(Icons.Default.Delete, contentDescription = "Delete")
                         }
                     }
+                }
             )
         },
         floatingActionButton = {
@@ -410,74 +431,50 @@ fun SessionDetailScreen(sessionId: String, viewModel: ClimbViewModel, onNavigate
                                     value = "${((successfulAttempts.size.toDouble() / attempts.size) * 100).toInt()}%"
                                 )
                                 
-                                // Show average grade if available
-                                val attemptedProblems = problems.filter { it.id in uniqueProblems }
-                                if (attemptedProblems.isNotEmpty()) {
-                                    val boulderProblems = attemptedProblems.filter { it.climbType == ClimbType.BOULDER }
-                                    val ropeProblems = attemptedProblems.filter { it.climbType == ClimbType.ROPE }
-                                    
-                                    val averageGrade = when {
-                                        boulderProblems.isNotEmpty() && ropeProblems.isNotEmpty() -> {
-                                            val boulderAvg = calculateAverageGrade(boulderProblems)
-                                            val ropeAvg = calculateAverageGrade(ropeProblems)
-                                            "${boulderAvg ?: "N/A"} / ${ropeAvg ?: "N/A"}"
-                                        }
-                                        boulderProblems.isNotEmpty() -> calculateAverageGrade(boulderProblems) ?: "N/A"
-                                        ropeProblems.isNotEmpty() -> calculateAverageGrade(ropeProblems) ?: "N/A"
-                                        else -> "N/A"
                             }
                             
-                                    StatItem(
+                            // Show grade range(s) with better layout
-                                        label = "Average Grade",
-                                        value = averageGrade
-                                    )
-                                } else {
-                                    StatItem(
-                                        label = "Average Grade",
-                                        value = "N/A"
-                                    )
-                                }
-                            }
-                            
-                            // Show grade range if available
                             val grades = attemptedProblems.map { it.difficulty }
                             if (grades.isNotEmpty()) {
-                                // Separate boulder and rope problems
                                 val boulderProblems = attemptedProblems.filter { it.climbType == ClimbType.BOULDER }
                                 val ropeProblems = attemptedProblems.filter { it.climbType == ClimbType.ROPE }
 
-                                val gradeRange = when {
-                                    boulderProblems.isNotEmpty() && ropeProblems.isNotEmpty() -> {
                                 val boulderRange = if (boulderProblems.isNotEmpty()) {
                                     val boulderGrades = boulderProblems.map { it.difficulty }
-                                            val sortedBoulderGrades = boulderGrades.sortedWith { a, b -> a.compareTo(b) }
+                                    val sorted = boulderGrades.sortedWith { a, b -> a.compareTo(b) }
-                                            "${sortedBoulderGrades.first().grade} - ${sortedBoulderGrades.last().grade}"
+                                    "${sorted.first().grade} - ${sorted.last().grade}"
                                 } else null
 
                                 val ropeRange = if (ropeProblems.isNotEmpty()) {
                                     val ropeGrades = ropeProblems.map { it.difficulty }
-                                            val sortedRopeGrades = ropeGrades.sortedWith { a, b -> a.compareTo(b) }
+                                    val sorted = ropeGrades.sortedWith { a, b -> a.compareTo(b) }
-                                            "${sortedRopeGrades.first().grade} - ${sortedRopeGrades.last().grade}"
+                                    "${sorted.first().grade} - ${sorted.last().grade}"
                                 } else null
 
-                                        when {
+                                if (boulderRange != null && ropeRange != null) {
-                                            boulderRange != null && ropeRange != null -> "$boulderRange / $ropeRange"
+                                    Row(
-                                            boulderRange != null -> boulderRange
+                                        modifier = Modifier.fillMaxWidth(),
-                                            ropeRange != null -> ropeRange
+                                        horizontalArrangement = Arrangement.SpaceEvenly
-                                            else -> "N/A"
+                                    ) {
+                                        StatItem(label = "Boulder Range", value = boulderRange)
+                                        StatItem(label = "Rope Range", value = ropeRange)
                                     }
-                                    }
+                                } else {
-                                    else -> {
+                                    Row(
-                                        val sortedGrades = grades.sortedWith { a, b -> a.compareTo(b) }
+                                        modifier = Modifier.fillMaxWidth(),
-                                        "${sortedGrades.first().grade} - ${sortedGrades.last().grade}"
+                                        horizontalArrangement = Arrangement.Center
-                                    }
+                                    ) {
-                                }
-                                
                                         StatItem(
                                             label = "Grade Range",
-                                    value = gradeRange
+                                            value = boulderRange ?: ropeRange ?: "N/A"
                                         )
+                                    }
+                                }
                             } else {
+                                Row(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    horizontalArrangement = Arrangement.Center
+                                ) {
                                     StatItem(
                                         label = "Grade Range",
                                         value = "N/A"
@@ -487,6 +484,7 @@ fun SessionDetailScreen(sessionId: String, viewModel: ClimbViewModel, onNavigate
                         }
                     }
                 }
+            }
 
             // Attempts List
             item {
@@ -527,7 +525,8 @@ fun SessionDetailScreen(sessionId: String, viewModel: ClimbViewModel, onNavigate
                         onEditAttempt = { attemptToEdit -> showEditAttemptDialog = attemptToEdit },
                         onDeleteAttempt = { attemptToDelete ->
                             viewModel.deleteAttempt(attemptToDelete)
-                        }
+                        },
+                        onAttemptClick = { onNavigateToProblemDetail(problem.id) }
                     )
                 }
             }
@@ -911,7 +910,9 @@ fun GymDetailScreen(
     gymId: String,
     viewModel: ClimbViewModel,
     onNavigateBack: () -> Unit,
-    onNavigateToEdit: (String) -> Unit
+    onNavigateToEdit: (String) -> Unit,
+    onNavigateToSessionDetail: (String) -> Unit = {},
+    onNavigateToProblemDetail: (String) -> Unit = {}
 ) {
     val gyms by viewModel.gyms.collectAsState()
     val gym = gyms.find { it.id == gymId }
@@ -1142,14 +1143,16 @@ fun GymDetailScreen(
 
                                         Card(
                                             modifier =
-                                                Modifier.fillMaxWidth().padding(vertical = 4.dp),
+                                                Modifier
+                                                    .fillMaxWidth()
+                                                    .padding(vertical = 4.dp)
+                                                    .clickable { onNavigateToProblemDetail(problem.id) },
                                             colors =
                                                 CardDefaults.cardColors(
-                                                    containerColor =
+                                                    containerColor = MaterialTheme.colorScheme.surface
-                                                        MaterialTheme.colorScheme.surfaceVariant
-                                                            .copy(alpha = 0.3f)
                                                 ),
-                                            shape = RoundedCornerShape(12.dp)
+                                            shape = RoundedCornerShape(12.dp),
+                                            elevation = CardDefaults.cardElevation(defaultElevation = 4.dp)
                                         ) {
                                             ListItem(
                                                 headlineContent = {
@@ -1215,14 +1218,16 @@ fun GymDetailScreen(
 
                                         Card(
                                             modifier =
-                                                Modifier.fillMaxWidth().padding(vertical = 4.dp),
+                                                Modifier
+                                                    .fillMaxWidth()
+                                                    .padding(vertical = 4.dp)
+                                                    .clickable { onNavigateToSessionDetail(session.id) },
                                             colors =
                                                 CardDefaults.cardColors(
-                                                    containerColor =
+                                                    containerColor = MaterialTheme.colorScheme.surface
-                                                        MaterialTheme.colorScheme.surfaceVariant
-                                                            .copy(alpha = 0.3f)
                                                 ),
-                                            shape = RoundedCornerShape(12.dp)
+                                            shape = RoundedCornerShape(12.dp),
+                                            elevation = CardDefaults.cardElevation(defaultElevation = 4.dp)
                                         ) {
                                             ListItem(
                                                 headlineContent = {
@@ -1463,11 +1468,17 @@ fun SessionAttemptCard(
     attempt: Attempt,
     problem: Problem,
     onEditAttempt: (Attempt) -> Unit = {},
-    onDeleteAttempt: (Attempt) -> Unit = {}
+    onDeleteAttempt: (Attempt) -> Unit = {},
+    onAttemptClick: () -> Unit = {}
 ) {
     var showDeleteDialog by remember { mutableStateOf(false) }
 
-    Card(modifier = Modifier.fillMaxWidth()) {
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable { onAttemptClick() },
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
         Column(modifier = Modifier.padding(16.dp)) {
             Row(
                 modifier = Modifier.fillMaxWidth(),
@@ -1518,11 +1529,7 @@ fun SessionAttemptCard(
                     // Delete button
                     IconButton(
                         onClick = { showDeleteDialog = true },
-                        modifier = Modifier.size(32.dp),
+                        modifier = Modifier.size(32.dp)
-                        colors =
-                            IconButtonDefaults.iconButtonColors(
-                                contentColor = MaterialTheme.colorScheme.error
-                            )
                     ) {
                         Icon(
                             Icons.Default.Delete,

app/src/main/java/com/atridad/openclimb/ui/theme/CustomIcons.kt

@@ -0,0 +1,25 @@
+package com.atridad.openclimb.ui.theme
+
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.SolidColor
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.path
+import androidx.compose.ui.unit.dp
+
+object CustomIcons {
+    fun Stop(color: Color = Color.Black): ImageVector = ImageVector.Builder(
+        name = "Stop",
+        defaultWidth = 24.dp,
+        defaultHeight = 24.dp,
+        viewportWidth = 24f,
+        viewportHeight = 24f
+    ).path(
+        fill = SolidColor(color)
+    ) {
+        moveTo(6f, 6f)
+        horizontalLineTo(18f)
+        verticalLineTo(18f)
+        horizontalLineTo(6f)
+        close()
+    }.build()
+}

app/src/main/java/com/atridad/openclimb/ui/viewmodel/ClimbViewModel.kt

@@ -147,6 +147,14 @@ class ClimbViewModel(
     // Active session management
     fun startSession(context: Context, gymId: String, notes: String? = null) {
         viewModelScope.launch {
+            // Check notification permission first
+            if (!com.atridad.openclimb.utils.NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                _uiState.value = _uiState.value.copy(
+                    error = "Notification permission is required to track your climbing session. Please enable notifications in settings."
+                )
+                return@launch
+            }
+            
             val existingActive = repository.getActiveSession()
             if (existingActive != null) {
                 _uiState.value = _uiState.value.copy(
@@ -170,6 +178,14 @@ class ClimbViewModel(
     
     fun endSession(context: Context, sessionId: String) {
         viewModelScope.launch {
+            // Check notification permission first
+            if (!com.atridad.openclimb.utils.NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                _uiState.value = _uiState.value.copy(
+                    error = "Notification permission is required to manage your climbing session. Please enable notifications in settings."
+                )
+                return@launch
+            }
+            
             val session = repository.getSessionById(sessionId)
             if (session != null && session.status == SessionStatus.ACTIVE) {
                 val completedSession = with(ClimbSession) { session.complete() }
@@ -186,6 +202,21 @@ class ClimbViewModel(
         }
     }
     
+    /**
+     * Check if the session tracking service is running and restart it if needed
+     */
+    fun ensureSessionTrackingServiceRunning(context: Context) {
+        viewModelScope.launch {
+            val activeSession = repository.getActiveSession()
+            if (activeSession != null && activeSession.status == SessionStatus.ACTIVE) {
+                // Check if service is running by trying to start it again
+                // The service will handle duplicate starts gracefully
+                val serviceIntent = SessionTrackingService.createStartIntent(context, activeSession.id)
+                context.startForegroundService(serviceIntent)
+            }
+        }
+    }
+    
     // Attempt operations
     fun addAttempt(attempt: Attempt) {
         viewModelScope.launch {

app/src/main/java/com/atridad/openclimb/utils/ImageUtils.kt

@@ -35,18 +35,11 @@ object ImageUtils {
      */
     fun saveImageFromUri(context: Context, imageUri: Uri): String? {
         return try {
-            val inputStream = context.contentResolver.openInputStream(imageUri)
+            // Decode bitmap from a fresh stream to avoid mark/reset dependency
-            inputStream?.use { input ->
+            val originalBitmap = context.contentResolver.openInputStream(imageUri)?.use { input ->
-                // Decode with options to get EXIF data
+                BitmapFactory.decodeStream(input)
-                val options = BitmapFactory.Options().apply {
+            } ?: return null
-                    inJustDecodeBounds = true
-                }
-                input.reset()
-                BitmapFactory.decodeStream(input, null, options)
 
-                // Reset stream and decode with proper orientation
-                input.reset()
-                val originalBitmap = BitmapFactory.decodeStream(input)
             val orientedBitmap = correctImageOrientation(context, imageUri, originalBitmap)
             val compressedBitmap = compressImage(orientedBitmap)
 
@@ -68,7 +61,6 @@ object ImageUtils {
 
             // Return relative path
             "$IMAGES_DIR/$filename"
-            }
         } catch (e: Exception) {
             e.printStackTrace()
             null

app/src/main/java/com/atridad/openclimb/utils/NotificationPermissionUtils.kt

@@ -0,0 +1,33 @@
+package com.atridad.openclimb.utils
+
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
+import androidx.core.content.ContextCompat
+
+object NotificationPermissionUtils {
+    
+    /**
+     * Check if notification permission is granted
+     */
+    fun isNotificationPermissionGranted(context: Context): Boolean {
+        return ContextCompat.checkSelfPermission(
+            context,
+            Manifest.permission.POST_NOTIFICATIONS
+        ) == PackageManager.PERMISSION_GRANTED
+    }
+    
+    /**
+     * Check if notification permission should be requested
+     */
+    fun shouldRequestNotificationPermission(): Boolean {
+        return true
+    }
+    
+    /**
+     * Get the notification permission string
+     */
+    fun getNotificationPermissionString(): String {
+        return Manifest.permission.POST_NOTIFICATIONS
+    }
+}

app/src/main/java/com/atridad/openclimb/utils/SessionShareUtils.kt

@@ -172,8 +172,8 @@ object SessionShareUtils {
         stats: SessionStats
     ): File? {
         return try {
-            val width = 1080
+            val width = 1242 // 3:4 aspect at higher resolution for better fit
-            val height = 1350
+            val height = 1656
             
             val bitmap = createBitmap(width, height)
             val canvas = Canvas(bitmap)
@@ -227,7 +227,7 @@ object SessionShareUtils {
             }
             
             // Draw main card background
-            val cardRect = RectF(60f, 200f, width - 60f, height - 100f)
+            val cardRect = RectF(60f, 200f, width - 60f, height - 120f)
             canvas.drawRoundRect(cardRect, 40f, 40f, cardPaint)
             
             // Draw content
@@ -248,31 +248,48 @@ object SessionShareUtils {
             // Stats grid
             val statsStartY = yPosition
             val columnWidth = width / 2f
+            val columnMaxTextWidth = columnWidth - 120f
             
             // Left column stats
             var leftY = statsStartY
-            drawStatItem(canvas, columnWidth / 2f, leftY, "Attempts", stats.totalAttempts.toString(), statLabelPaint, statValuePaint)
+            drawStatItemFitting(canvas, columnWidth / 2f, leftY, "Attempts", stats.totalAttempts.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
-            leftY += 140f
+            leftY += 120f
-            drawStatItem(canvas, columnWidth / 2f, leftY, "Problems", stats.uniqueProblemsAttempted.toString(), statLabelPaint, statValuePaint)
+            drawStatItemFitting(canvas, columnWidth / 2f, leftY, "Problems", stats.uniqueProblemsAttempted.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
-            leftY += 140f
+            leftY += 120f
-            drawStatItem(canvas, columnWidth / 2f, leftY, "Duration", stats.sessionDuration, statLabelPaint, statValuePaint)
+            drawStatItemFitting(canvas, columnWidth / 2f, leftY, "Duration", stats.sessionDuration, statLabelPaint, statValuePaint, columnMaxTextWidth)
             
             // Right column stats
             var rightY = statsStartY
-            drawStatItem(canvas, width - columnWidth / 2f, rightY, "Successful", stats.successfulAttempts.toString(), statLabelPaint, statValuePaint)
+            drawStatItemFitting(canvas, width - columnWidth / 2f, rightY, "Successful", stats.successfulAttempts.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
-            rightY += 140f
+            rightY += 120f
-            drawStatItem(canvas, width - columnWidth / 2f, rightY, "Completed", stats.uniqueProblemsCompleted.toString(), statLabelPaint, statValuePaint)
+            drawStatItemFitting(canvas, width - columnWidth / 2f, rightY, "Completed", stats.uniqueProblemsCompleted.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
-            rightY += 140f
+            rightY += 120f
             
+            var rightYAfter = rightY
             stats.topGrade?.let { grade ->
-                drawStatItem(canvas, width - columnWidth / 2f, rightY, "Top Grade", grade, statLabelPaint, statValuePaint)
+                drawStatItemFitting(canvas, width - columnWidth / 2f, rightY, "Top Grade", grade, statLabelPaint, statValuePaint, columnMaxTextWidth)
+                rightYAfter += 120f
+            }
+            
+            // Grade range(s)
+            val boulderRange = gradeRangeForProblems(stats.problems.filter { it.climbType == ClimbType.BOULDER })
+            val ropeRange = gradeRangeForProblems(stats.problems.filter { it.climbType == ClimbType.ROPE })
+            val rangesY = kotlin.math.max(leftY, rightYAfter) + 120f
+            if (boulderRange != null && ropeRange != null) {
+                // Two evenly spaced items
+                drawStatItemFitting(canvas, columnWidth / 2f, rangesY, "Boulder Range", boulderRange, statLabelPaint, statValuePaint, columnMaxTextWidth)
+                drawStatItemFitting(canvas, width - columnWidth / 2f, rangesY, "Rope Range", ropeRange, statLabelPaint, statValuePaint, columnMaxTextWidth)
+            } else if (boulderRange != null || ropeRange != null) {
+                // Single centered item
+                val singleRange = boulderRange ?: ropeRange ?: ""
+                drawStatItemFitting(canvas, width / 2f, rangesY, "Grade Range", singleRange, statLabelPaint, statValuePaint, width - 200f)
             }
             
             // Success rate arc
-            if (stats.totalAttempts > 0) {
+            val successRate = if (stats.totalAttempts > 0) {
-                val successRate = (stats.successfulAttempts.toFloat() / stats.totalAttempts) * 100
+                (stats.successfulAttempts.toFloat() / stats.totalAttempts) * 100f
-                drawSuccessRateArc(canvas, width / 2f, height - 280f, successRate, statLabelPaint, statValuePaint)
+            } else 0f
-            }
+            drawSuccessRateArc(canvas, width / 2f, height - 300f, successRate, statLabelPaint, statValuePaint)
             
             // App branding
             val brandingPaint = Paint().apply {
@@ -320,6 +337,41 @@ object SessionShareUtils {
         canvas.drawText(label, x, y + 50f, labelPaint)
     }
     
+    /**
+     * Draws a stat item while fitting the value text to a max width by reducing text size if needed.
+     */
+    private fun drawStatItemFitting(
+        canvas: Canvas,
+        x: Float,
+        y: Float,
+        label: String,
+        value: String,
+        labelPaint: Paint,
+        valuePaint: Paint,
+        maxTextWidth: Float
+    ) {
+        val tempPaint = Paint(valuePaint)
+        var textSize = tempPaint.textSize
+        var textWidth = tempPaint.measureText(value)
+        while (textWidth > maxTextWidth && textSize > 36f) {
+            textSize -= 2f
+            tempPaint.textSize = textSize
+            textWidth = tempPaint.measureText(value)
+        }
+        canvas.drawText(value, x, y, tempPaint)
+        canvas.drawText(label, x, y + 50f, labelPaint)
+    }
+    
+    /**
+     * Returns a range string like "X - Y" for the given problems, based on their difficulty grades.
+     */
+    private fun gradeRangeForProblems(problems: List<Problem>): String? {
+        if (problems.isEmpty()) return null
+        val grades = problems.map { it.difficulty }
+        val sorted = grades.sortedWith { a, b -> a.compareTo(b) }
+        return "${sorted.first().grade} - ${sorted.last().grade}"
+    }
+    
     private fun drawSuccessRateArc(
         canvas: Canvas,
         centerX: Float,
@@ -328,12 +380,12 @@ object SessionShareUtils {
         labelPaint: Paint,
         valuePaint: Paint
     ) {
-        val radius = 80f
+        val radius = 70f
-        val strokeWidth = 16f
+        val strokeWidth = 14f
 
         // Background arc
         val bgPaint = Paint().apply {
-            color = "#40FFFFFF".toColorInt()
+            color = "#30FFFFFF".toColorInt()
             style = Paint.Style.STROKE
             this.strokeWidth = strokeWidth
             isAntiAlias = true
@@ -360,8 +412,11 @@ object SessionShareUtils {
 
         // Draw percentage text
         val percentText = "${successRate.roundToInt()}%"
-        canvas.drawText(percentText, centerX, centerY + 10f, valuePaint)
+        canvas.drawText(percentText, centerX, centerY + 8f, valuePaint)
-        canvas.drawText("Success Rate", centerX, centerY + 60f, labelPaint)
+
+        // Draw label below the arc (outside the ring) for better readability
+        val belowLabelPaint = Paint(labelPaint)
+        canvas.drawText("Success Rate", centerX, centerY + radius + 36f, belowLabelPaint)
     }
     
     private fun formatSessionDate(dateString: String): String {

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

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Splash background (dark) -->
+    <color name="splash_background">#FF121212</color>
+</resources>
+

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

@@ -7,4 +7,7 @@
     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+
+    <!-- Splash background (light) -->
+    <color name="splash_background">#FFFFFFFF</color>
 </resources>

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

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
     <style name="Theme.OpenClimb" parent="android:Theme.Material.Light.NoActionBar" />
+
+    <style name="Theme.OpenClimb.Splash" parent="Theme.OpenClimb">
+        <item name="android:windowSplashScreenBackground">@color/splash_background</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/ic_mountains</item>
+        <item name="android:windowSplashScreenAnimationDuration">200</item>
+    </style>
 </resources>

gradle/libs.versions.toml

@@ -1,10 +1,14 @@
 [versions]
-agp = "8.9.1"
+agp = "8.12.1"
 kotlin = "2.0.21"
 coreKtx = "1.15.0"
 junit = "4.13.2"
 junitVersion = "1.3.0"
 espressoCore = "3.7.0"
+androidxTestCore = "1.6.0"
+androidxTestExt = "1.2.0"
+androidxTestRunner = "1.6.0"
+androidxTestRules = "1.6.0"
 lifecycleRuntimeKtx = "2.9.2"
 activityCompose = "1.10.1"
 composeBom = "2024.09.00"
@@ -21,6 +25,10 @@ androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref =
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-test-core = { group = "androidx.test", name = "core", version.ref = "androidxTestCore" }
+androidx-test-ext = { group = "androidx.test.ext", name = "junit", version.ref = "androidxTestExt" }
+androidx-test-runner = { group = "androidx.test", name = "runner", version.ref = "androidxTestRunner" }
+androidx-test-rules = { group = "androidx.test", name = "rules", version.ref = "androidxTestRules" }
 androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
 androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
 androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
@@ -48,6 +56,10 @@ kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-
 
 # Coroutines
 kotlinx-coroutines-android = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-android", version.ref = "kotlinxCoroutines" }
+kotlinx-coroutines-test = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-test", version.ref = "kotlinxCoroutines" }
+
+# Testing
+mockk = { group = "io.mockk", name = "mockk", version = "1.13.8" }
 
 # Image Loading
 coil-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coil" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Fri Aug 15 11:23:25 MDT 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists