Optimize local time provision

app/ui/src/main/java/de/mm20/launcher2/ui/base/ProvideClockTime.kt

@@ -1,85 +0,0 @@
-package de.mm20.launcher2.ui.base
-
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import android.content.IntentFilter
-import android.os.Handler
-import android.os.Looper
-import android.util.Log
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.CompositionLocalProvider
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.compositionLocalOf
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.platform.LocalLifecycleOwner
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.repeatOnLifecycle
-import de.mm20.launcher2.preferences.ui.ClockWidgetSettings
-import kotlinx.coroutines.awaitCancellation
-import org.koin.androidx.compose.inject
-
-@Composable
-fun ProvideClockTime(content: @Composable () -> Unit) {
-
-    val context = LocalContext.current
-    val clockSettings: ClockWidgetSettings by inject()
-    val showSeconds by clockSettings.showSeconds.collectAsState(initial = false)
-    val isCompact by clockSettings.compact.collectAsState(initial = false)
-
-    var time by remember { mutableStateOf(System.currentTimeMillis()) }
-
-    val lifecycleOwner = LocalLifecycleOwner.current
-    LaunchedEffect(showSeconds, isCompact) {
-        time = System.currentTimeMillis()
-
-        lifecycleOwner.lifecycle.repeatOnLifecycle(Lifecycle.State.RESUMED) {
-            time = System.currentTimeMillis()
-            val handler = Handler(Looper.myLooper()!!)
-            val receiver = object : BroadcastReceiver() {
-                override fun onReceive(context: Context?, intent: Intent?) {
-                    time = System.currentTimeMillis()
-                }
-            }
-            val callback = object : Runnable {
-                override fun run() {
-                    time = System.currentTimeMillis()
-                    handler.postDelayed(this, 1000 - (time % 1000))
-                }
-            }
-
-            if (!isCompact && showSeconds) {
-                context.registerReceiver(receiver, IntentFilter().apply {
-                    addAction(Intent.ACTION_TIME_CHANGED)
-                })
-
-                handler.postDelayed(callback, 1000 - (time % 1000))
-            }
-            else {
-                context.registerReceiver(receiver, IntentFilter().apply {
-                    addAction(Intent.ACTION_TIME_CHANGED)
-                    addAction(Intent.ACTION_TIME_TICK)
-                })
-            }
-
-            try {
-                awaitCancellation()
-            } finally {
-                context.unregisterReceiver(receiver)
-                handler.removeCallbacks(callback)
-            }
-        }
-    }
-
-    CompositionLocalProvider(
-        LocalClockTime provides time,
-        content = content
-    )
-}
-
-val LocalClockTime = compositionLocalOf { System.currentTimeMillis() }

app/ui/src/main/java/de/mm20/launcher2/ui/base/ProvideCurrentTime.kt

@@ -4,6 +4,10 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
+import androidx.compose.animation.core.Animatable
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.snap
+import androidx.compose.animation.core.tween
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
@@ -17,7 +21,13 @@ import androidx.compose.ui.platform.LocalLifecycleOwner
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.repeatOnLifecycle
 import kotlinx.coroutines.awaitCancellation
+import java.time.Instant
+import java.time.ZoneId
 
+/**
+ * Provide the current time (in millis) to the LocalTime composition local.
+ * The time is updated every second.
+ */
 @Composable
 fun ProvideCurrentTime(content: @Composable () -> Unit) {
 
@@ -25,6 +35,17 @@ fun ProvideCurrentTime(content: @Composable () -> Unit) {
 
     var time by remember { mutableStateOf(System.currentTimeMillis()) }
 
+    val secondsAnimation = remember { Animatable(0f) }
+
+    LaunchedEffect(time) {
+        val currentSeconds = Instant.ofEpochMilli(time).atZone(ZoneId.systemDefault()).second
+        secondsAnimation.animateTo(currentSeconds.toFloat(), snap())
+        secondsAnimation.animateTo(
+            60f,
+            tween((60 - currentSeconds) * 1000, easing = LinearEasing)
+        )
+    }
+
     val lifecycleOwner = LocalLifecycleOwner.current
     LaunchedEffect(null) {
         lifecycleOwner.lifecycle.repeatOnLifecycle(Lifecycle.State.RESUMED) {
@@ -50,7 +71,7 @@ fun ProvideCurrentTime(content: @Composable () -> Unit) {
     }
 
     CompositionLocalProvider(
-        LocalTime provides time,
+        LocalTime provides time + secondsAnimation.value.toInt() * 1000,
         content = content
     )
 }

app/ui/src/main/java/de/mm20/launcher2/ui/component/ShapedLauncherIcon.kt

@@ -409,39 +409,11 @@ private fun ClockLayer(
     tintColor: Color?,
     modifier: Modifier = Modifier,
 ) {
-    val time = remember(LocalTime.current) {
-        Instant.ofEpochMilli(System.currentTimeMillis()).atZone(ZoneId.systemDefault())
-    }
+    val time = Instant.ofEpochMilli(LocalTime.current).atZone(ZoneId.systemDefault())
 
-    val second = remember {
-        Animatable((time.second).toFloat() + (time.nano / 1000000f) / 1000f)
-    }
-
-    val minute = remember {
-        Animatable((time.minute).toFloat() + time.second.toFloat() / 60f)
-    }
-
-    val hour = remember {
-        Animatable((time.hour).toFloat() + time.minute.toFloat() / 60f)
-    }
-
-    LaunchedEffect(time) {
-        val h = (time.hour).toFloat() + (time.minute).toFloat() / 60f
-        val m = (time.minute.toFloat() + (time.second).toFloat() / 60f)
-        val s = (time.second).toFloat() + (time.nano / 1000000f) / 1000f
-        second.snapTo(s)
-        hour.snapTo(h)
-        minute.snapTo(m)
-        launch {
-            hour.animateTo(h + 1.5f / 60f, tween(90000, easing = LinearEasing))
-        }
-        launch {
-            minute.animateTo(m + 1.5f, tween(90000, easing = LinearEasing))
-        }
-        launch {
-            second.animateTo(s + 90f, tween(90000, easing = LinearEasing))
-        }
-    }
+    val second = time.second
+    val minute = time.minute
+    val hour = time.hour
 
     Canvas(modifier = modifier) {
         val colorFilter = tintColor?.let {
@@ -453,11 +425,11 @@ private fun ClockLayer(
             for (sublayer in sublayers) {
                 when (sublayer.role) {
                     ClockSublayerRole.Hour -> {
-                        sublayer.drawable.level = (((hour.value.toInt() - defaultHour + 12) % 12) * 60
-                                + ((minute.value.toInt()) % 60))
+                        sublayer.drawable.level = (((hour - defaultHour + 12) % 12) * 60
+                                + ((minute) % 60))
                     }
-                    ClockSublayerRole.Minute -> sublayer.drawable.level = ((minute.value.toInt() - defaultMinute + 60) % 60)
-                    ClockSublayerRole.Second -> sublayer.drawable.level = (((second.value.toInt() - defaultSecond + 60) % 60) * 10)
+                    ClockSublayerRole.Minute -> sublayer.drawable.level = ((minute - defaultMinute + 60) % 60)
+                    ClockSublayerRole.Second -> sublayer.drawable.level = (((second - defaultSecond + 60) % 60) * 10)
                     else -> {}
                 }
                 drawIntoCanvas {

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/ClockWidget.kt

@@ -68,8 +68,7 @@ import de.mm20.launcher2.preferences.ClockWidgetColors
 import de.mm20.launcher2.preferences.ClockWidgetStyle
 import de.mm20.launcher2.preferences.ui.ClockWidgetSettings
 import de.mm20.launcher2.ui.R
-import de.mm20.launcher2.ui.base.LocalClockTime
-import de.mm20.launcher2.ui.base.ProvideClockTime
+import de.mm20.launcher2.ui.base.LocalTime
 import de.mm20.launcher2.ui.component.BottomSheetDialog
 import de.mm20.launcher2.ui.component.preferences.Preference
 import de.mm20.launcher2.ui.component.preferences.SwitchPreference
@@ -90,160 +89,158 @@ fun ClockWidget(
     fillScreenHeight: Boolean,
     editMode: Boolean = false,
 ) {
-    ProvideClockTime {
-        val viewModel: ClockWidgetVM = viewModel()
-        val context = LocalContext.current
-        val compact by viewModel.compactLayout.collectAsState()
-        val clockStyle by viewModel.clockStyle.collectAsState()
-        val color by viewModel.color.collectAsState()
-        val alignment by viewModel.alignment.collectAsState()
-        val time = LocalClockTime.current
+    val viewModel: ClockWidgetVM = viewModel()
+    val context = LocalContext.current
+    val compact by viewModel.compactLayout.collectAsState()
+    val clockStyle by viewModel.clockStyle.collectAsState()
+    val color by viewModel.color.collectAsState()
+    val alignment by viewModel.alignment.collectAsState()
+    val time = LocalTime.current
 
-        val contentColor =
-            if (color == ClockWidgetColors.Auto && LocalPreferDarkContentOverWallpaper.current || color == ClockWidgetColors.Dark) {
-                Color(0, 0, 0, 180)
-            } else {
-                Color.White
-            }
-
-        LaunchedEffect(time) {
-            viewModel.updateTime(time)
+    val contentColor =
+        if (color == ClockWidgetColors.Auto && LocalPreferDarkContentOverWallpaper.current || color == ClockWidgetColors.Dark) {
+            Color(0, 0, 0, 180)
+        } else {
+            Color.White
         }
 
-        val partProvider by remember { viewModel.getActivePart(context) }.collectAsStateWithLifecycle(
-            null
-        )
+    LaunchedEffect(time) {
+        viewModel.updateTime(time)
+    }
 
-        AnimatedContent(editMode, label = "ClockWidget") {
-            if (it) {
-                var configure by remember { mutableStateOf(false) }
-                Column {
-                    Surface(
-                        modifier = Modifier
-                            .fillMaxWidth()
-                            .padding(vertical = 8.dp),
-                        shape = MaterialTheme.shapes.medium,
-                        color = MaterialTheme.colorScheme.surfaceVariant,
-                        shadowElevation = 2.dp,
-                        tonalElevation = 2.dp,
+    val partProvider by remember { viewModel.getActivePart(context) }.collectAsStateWithLifecycle(
+        null
+    )
+
+    AnimatedContent(editMode, label = "ClockWidget") {
+        if (it) {
+            var configure by remember { mutableStateOf(false) }
+            Column {
+                Surface(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(vertical = 8.dp),
+                    shape = MaterialTheme.shapes.medium,
+                    color = MaterialTheme.colorScheme.surfaceVariant,
+                    shadowElevation = 2.dp,
+                    tonalElevation = 2.dp,
+                ) {
+                    Row(
+                        modifier = Modifier.padding(8.dp),
+                        verticalAlignment = Alignment.CenterVertically
                     ) {
-                        Row(
-                            modifier = Modifier.padding(8.dp),
-                            verticalAlignment = Alignment.CenterVertically
-                        ) {
-                            Box(modifier = Modifier.size(24.dp))
-                            Text(
-                                text = stringResource(id = R.string.preference_screen_clockwidget),
-                                style = MaterialTheme.typography.titleMedium,
-                                modifier = Modifier
-                                    .weight(1f)
-                                    .padding(horizontal = 8.dp),
-                                overflow = TextOverflow.Ellipsis,
-                                maxLines = 1
+                        Box(modifier = Modifier.size(24.dp))
+                        Text(
+                            text = stringResource(id = R.string.preference_screen_clockwidget),
+                            style = MaterialTheme.typography.titleMedium,
+                            modifier = Modifier
+                                .weight(1f)
+                                .padding(horizontal = 8.dp),
+                            overflow = TextOverflow.Ellipsis,
+                            maxLines = 1
+                        )
+                        IconButton(onClick = {
+                            configure = true
+                        }) {
+                            Icon(
+                                imageVector = Icons.Rounded.Tune,
+                                contentDescription = stringResource(R.string.settings)
                             )
-                            IconButton(onClick = {
-                                configure = true
-                            }) {
-                                Icon(
-                                    imageVector = Icons.Rounded.Tune,
-                                    contentDescription = stringResource(R.string.settings)
-                                )
-                            }
                         }
                     }
-                    HorizontalDivider()
-                    if (configure) {
-                        ConfigureClockWidgetSheet(onDismiss = { configure = false })
-                    }
                 }
-            } else {
-                Column(modifier = modifier) {
-                    Box(
-                        modifier = Modifier
-                            .then(if (fillScreenHeight) Modifier.weight(1f) else Modifier)
-                            .fillMaxWidth(),
-                        contentAlignment = when (alignment) {
-                            ClockWidgetAlignment.Center -> Alignment.Center
-                            ClockWidgetAlignment.Top -> Alignment.TopCenter
-                            else -> Alignment.BottomCenter
-                        }
+                HorizontalDivider()
+                if (configure) {
+                    ConfigureClockWidgetSheet(onDismiss = { configure = false })
+                }
+            }
+        } else {
+            Column(modifier = modifier) {
+                Box(
+                    modifier = Modifier
+                        .then(if (fillScreenHeight) Modifier.weight(1f) else Modifier)
+                        .fillMaxWidth(),
+                    contentAlignment = when (alignment) {
+                        ClockWidgetAlignment.Center -> Alignment.Center
+                        ClockWidgetAlignment.Top -> Alignment.TopCenter
+                        else -> Alignment.BottomCenter
+                    }
+                ) {
+                    CompositionLocalProvider(
+                        LocalContentColor provides contentColor
                     ) {
-                        CompositionLocalProvider(
-                            LocalContentColor provides contentColor
-                        ) {
-                            if (compact == false) {
-                                Column(
-                                    horizontalAlignment = Alignment.CenterHorizontally,
-                                ) {
-                                    Box(
-                                        modifier = Modifier.clickable(
-                                            enabled = clockStyle !is ClockWidgetStyle.Empty,
-                                            indication = null,
-                                            interactionSource = remember { MutableInteractionSource() }
-                                        ) {
-                                            viewModel.launchClockApp(context)
-                                        }
+                        if (compact == false) {
+                            Column(
+                                horizontalAlignment = Alignment.CenterHorizontally,
+                            ) {
+                                Box(
+                                    modifier = Modifier.clickable(
+                                        enabled = clockStyle !is ClockWidgetStyle.Empty,
+                                        indication = null,
+                                        interactionSource = remember { MutableInteractionSource() }
                                     ) {
-                                        Clock(clockStyle, false)
+                                        viewModel.launchClockApp(context)
                                     }
+                                ) {
+                                    Clock(clockStyle, false)
+                                }
 
-                                    if (partProvider != null) {
-                                        DynamicZone(
-                                            modifier = Modifier.padding(bottom = 8.dp),
-                                            compact = false,
-                                            provider = partProvider,
-                                        )
-                                    }
+                                if (partProvider != null) {
+                                    DynamicZone(
+                                        modifier = Modifier.padding(bottom = 8.dp),
+                                        compact = false,
+                                        provider = partProvider,
+                                    )
                                 }
                             }
-                            if (compact == true) {
-                                Row(
-                                    modifier = Modifier
-                                        .fillMaxWidth()
-                                        .padding(end = 8.dp, bottom = 16.dp),
-                                    verticalAlignment = Alignment.CenterVertically,
-                                    horizontalArrangement = Arrangement.SpaceBetween
-                                ) {
-                                    if (partProvider != null) {
-                                        DynamicZone(
-                                            modifier = Modifier.weight(1f),
-                                            compact = true,
-                                            provider = partProvider,
-                                        )
-                                    }
-                                    Box(
-                                        modifier = Modifier
-                                            .padding(horizontal = 16.dp)
-                                            .height(56.dp)
-                                            .width(2.dp)
-                                            .background(
-                                                LocalContentColor.current
-                                            ),
+                        }
+                        if (compact == true) {
+                            Row(
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .padding(end = 8.dp, bottom = 16.dp),
+                                verticalAlignment = Alignment.CenterVertically,
+                                horizontalArrangement = Arrangement.SpaceBetween
+                            ) {
+                                if (partProvider != null) {
+                                    DynamicZone(
+                                        modifier = Modifier.weight(1f),
+                                        compact = true,
+                                        provider = partProvider,
                                     )
-                                    Box(
-                                        modifier = Modifier.clickable(
-                                            enabled = clockStyle !is ClockWidgetStyle.Empty,
-                                            indication = null,
-                                            interactionSource = remember { MutableInteractionSource() }
-                                        ) {
-                                            viewModel.launchClockApp(context)
-                                        }
+                                }
+                                Box(
+                                    modifier = Modifier
+                                        .padding(horizontal = 16.dp)
+                                        .height(56.dp)
+                                        .width(2.dp)
+                                        .background(
+                                            LocalContentColor.current
+                                        ),
+                                )
+                                Box(
+                                    modifier = Modifier.clickable(
+                                        enabled = clockStyle !is ClockWidgetStyle.Empty,
+                                        indication = null,
+                                        interactionSource = remember { MutableInteractionSource() }
                                     ) {
-                                        Clock(clockStyle, true)
+                                        viewModel.launchClockApp(context)
                                     }
+                                ) {
+                                    Clock(clockStyle, true)
                                 }
                             }
                         }
                     }
-                    val dockProvider by viewModel.dockProvider.collectAsState()
-                    if (dockProvider != null) {
-                        Box(
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .padding(bottom = 16.dp)
-                        ) {
-                            dockProvider?.Component(false)
-                        }
+                }
+                val dockProvider by viewModel.dockProvider.collectAsState()
+                if (dockProvider != null) {
+                    Box(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(bottom = 16.dp)
+                    ) {
+                        dockProvider?.Component(false)
                     }
                 }
             }
@@ -256,18 +253,25 @@ fun Clock(
     style: ClockWidgetStyle?,
     compact: Boolean,
 ) {
-    val time = LocalClockTime.current
+    val time = LocalTime.current
     val clockSettings: ClockWidgetSettings by inject()
     val showSeconds by clockSettings.showSeconds.collectAsState(initial = false)
     val useThemeColor by clockSettings.useThemeColor.collectAsState(initial = false)
 
     when (style) {
-        is ClockWidgetStyle.Digital1 -> DigitalClock1(time, style, compact, showSeconds, useThemeColor)
+        is ClockWidgetStyle.Digital1 -> DigitalClock1(
+            time,
+            style,
+            compact,
+            showSeconds,
+            useThemeColor
+        )
+
         is ClockWidgetStyle.Digital2 -> DigitalClock2(time, compact, showSeconds, useThemeColor)
         is ClockWidgetStyle.Binary -> BinaryClock(time, compact, showSeconds, useThemeColor)
         is ClockWidgetStyle.Analog -> AnalogClock(time, compact, showSeconds, useThemeColor)
         is ClockWidgetStyle.Orbit -> OrbitClock(time, compact, showSeconds, useThemeColor)
-        is ClockWidgetStyle.Segment -> SegmentClock(time,  compact, showSeconds, useThemeColor)
+        is ClockWidgetStyle.Segment -> SegmentClock(time, compact, showSeconds, useThemeColor)
         is ClockWidgetStyle.Empty -> {}
         else -> {}
     }
@@ -355,16 +359,14 @@ fun ConfigureClockWidgetSheet(
             val availableStyles by viewModel.availableClockStyles.collectAsState()
 
             if (color != null && compact != null && availableStyles.isNotEmpty()) {
-                ProvideClockTime {
-                    WatchFaceSelector(
-                        styles = availableStyles,
-                        compact = compact!!,
-                        colors = color!!,
-                        selected = style,
-                        onSelect = {
-                            viewModel.setClockStyle(it)
-                        })
-                }
+                WatchFaceSelector(
+                    styles = availableStyles,
+                    compact = compact!!,
+                    colors = color!!,
+                    selected = style,
+                    onSelect = {
+                        viewModel.setClockStyle(it)
+                    })
             }
 
             SingleChoiceSegmentedButtonRow(

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/clocks/DigitalClock2.kt

@@ -45,8 +45,7 @@ fun DigitalClock2(
         else {
             "hh:mm:ss"
         }
-    }
-    else {
+    } else {
         if (DateFormat.is24HourFormat(LocalContext.current)) {
             "HH:mm"
         }

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/clocks/OrbitClock.kt

@@ -16,6 +16,7 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.center
@@ -47,24 +48,18 @@ private val currentTime
 
 @Composable
 fun OrbitClock(
-    _time: Long,
+    time: Long,
     compact: Boolean,
     showSeconds: Boolean,
     useThemeColor: Boolean
 ) {
     val verticalLayout = !compact
 
-    val timeState = remember { mutableStateOf<ZonedDateTime>(currentTime) }
+    val parsed = Instant.ofEpochMilli(time).atZone(ZoneId.systemDefault())
 
-    LaunchedEffect(_time) {
-        timeState.value = currentTime
-    }
-
-    val time by timeState
-
-    val second = time.second
-    val minute = time.minute
-    val hour = time.hour
+    val second = parsed.second
+    val minute = parsed.minute
+    val hour = parsed.hour
     val formattedHour = (
             if (DateFormat.is24HourFormat(LocalContext.current))
                 hour

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/clocks/SegmentClock.kt

@@ -2,6 +2,17 @@ package de.mm20.launcher2.ui.launcher.widgets.clock.clocks
 
 import android.os.Handler
 import android.os.Looper
+import android.util.Log
+import androidx.compose.animation.core.Animatable
+import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.StartOffset
+import androidx.compose.animation.core.StartOffsetType
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.snap
+import androidx.compose.animation.core.spring
+import androidx.compose.animation.core.tween
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
@@ -12,8 +23,10 @@ import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
@@ -28,6 +41,7 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.repeatOnLifecycle
 import de.mm20.launcher2.ui.locals.LocalDarkTheme
 import kotlinx.coroutines.awaitCancellation
+import kotlinx.coroutines.delay
 import java.time.Instant
 import java.time.ZoneId
 
@@ -42,7 +56,14 @@ fun SegmentClock(
     val hour = parsed.hour
     val minute = parsed.minute
     val second = parsed.second
-    val flick = remember { mutableStateOf(time % 1000 <= 500) }
+
+    var flick by remember { mutableStateOf(false) }
+
+    LaunchedEffect(second) {
+        flick = true
+        delay(500)
+        flick = false
+    }
 
     val enabled = if (useThemeColor) {
         if (LocalContentColor.current == Color.White) {
@@ -52,37 +73,11 @@ fun SegmentClock(
             if (LocalDarkTheme.current) MaterialTheme.colorScheme.primaryContainer
             else MaterialTheme.colorScheme.primary
         }
-    }
-    else {
+    } else {
         LocalContentColor.current
     }
     val disabled = LocalContentColor.current
 
-    val owner = LocalLifecycleOwner.current
-    LaunchedEffect(null) {
-        owner.lifecycle.repeatOnLifecycle(Lifecycle.State.RESUMED) {
-            val handler = Handler(Looper.myLooper()!!)
-
-            val callback = object : Runnable {
-                override fun run() {
-                    val currentTime = System.currentTimeMillis()
-                    flick.value = currentTime % 1000 <= 500
-                    handler.postDelayed(this, (500 - (currentTime % 500)))
-                }
-            }
-
-            val currentTime = System.currentTimeMillis()
-            handler.postDelayed(callback, (500 - (currentTime % 500)))
-
-            try {
-                awaitCancellation()
-            }
-            finally {
-                handler.removeCallbacks(callback)
-            }
-        }
-    }
-
     val allSegmentVectors = remember(compact, enabled, disabled) {
         val vectors = mutableListOf<ImageVector>()
 
@@ -98,9 +93,11 @@ fun SegmentClock(
     }
 
     Row(
-        modifier = Modifier.padding(top = if (!compact) 16.dp else 0.dp,
+        modifier = Modifier.padding(
+            top = if (!compact) 16.dp else 0.dp,
             bottom = if (!compact) 16.dp else 0.dp,
-            start = 0.dp, end = 0.dp),
+            start = 0.dp, end = 0.dp
+        ),
         horizontalArrangement = Arrangement.Center,
         verticalAlignment = Alignment.CenterVertically
     ) {
@@ -109,7 +106,7 @@ fun SegmentClock(
         Image(allSegmentVectors[hour % 10], null)
 
         Separator(compact)
-        Box(Modifier.alpha(if (flick.value) 1f else 0.05f)) { Image(separator, null) }
+        Box(Modifier.alpha(if (flick) 1f else 0.05f)) { Image(separator, null) }
         Separator(compact)
 
         Image(allSegmentVectors[minute / 10], null)
@@ -118,7 +115,7 @@ fun SegmentClock(
 
         if (!compact && showSeconds) {
             Separator(false)
-            Box(Modifier.alpha(if (flick.value) 1f else 0.05f)) { Image(separator, null) }
+            Box(Modifier.alpha(if (flick) 1f else 0.05f)) { Image(separator, null) }
             Separator(false)
 
             Image(allSegmentVectors[second / 10], null)
@@ -140,9 +137,15 @@ private fun Separator(compact: Boolean) {
   (E)   (C)
    └─(D)─┘
  */
-private val segmentBitsForDigits = arrayOf(0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x00)
+private val segmentBitsForDigits =
+    arrayOf(0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x00)
 
-private fun getVectorDigitForNumber(compact: Boolean, number: Int, enabled: Color, disabled: Color) : ImageVector {
+private fun getVectorDigitForNumber(
+    compact: Boolean,
+    number: Int,
+    enabled: Color,
+    disabled: Color
+): ImageVector {
     if (number < 0 || number > segmentBitsForDigits.size) {
         throw IllegalArgumentException()
     }
@@ -249,10 +252,10 @@ private fun getVectorDigitForNumber(compact: Boolean, number: Int, enabled: Colo
         close()
     }
 
-    .build()
+        .build()
 }
 
-private fun getVectorSeparator(compact: Boolean, enabled: Color) : ImageVector {
+private fun getVectorSeparator(compact: Boolean, enabled: Color): ImageVector {
 
     return ImageVector.Builder(
         defaultWidth = if (compact) 3.6.dp else 6.dp,
@@ -266,16 +269,80 @@ private fun getVectorSeparator(compact: Boolean, enabled: Color) : ImageVector {
             pathFillType = PathFillType.NonZero
         ) {
             moveTo(3.175f, 18.5f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, -1.587f, 1.588f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, -1.588f, -1.588f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, 1.588f, -1.587f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, 1.587f, 1.587f)
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                -1.587f,
+                1.588f
+            )
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                -1.588f,
+                -1.588f
+            )
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                1.588f,
+                -1.587f
+            )
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                1.587f,
+                1.587f
+            )
             close()
             moveToRelative(0f, -9.634f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, -1.587f, 1.588f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, -1.588f, -1.588f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, 1.588f, -1.587f)
-            arcToRelative(1.587f, 1.587f, 0f, isMoreThanHalf = false, isPositiveArc = true, 1.587f, 1.587f)
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                -1.587f,
+                1.588f
+            )
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                -1.588f,
+                -1.588f
+            )
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                1.588f,
+                -1.587f
+            )
+            arcToRelative(
+                1.587f,
+                1.587f,
+                0f,
+                isMoreThanHalf = false,
+                isPositiveArc = true,
+                1.587f,
+                1.587f
+            )
             close()
         }
     }.build()