Add compact Android widget

android/app/src/main/AndroidManifest.xml

@@ -236,6 +236,20 @@
                 android:resource="@xml/noop_widget_info" />
         </receiver>
 
+        <!-- Compact home-screen widget, offered as a separate picker entry so the existing 2x2 widget
+             remains available unchanged. -->
+        <receiver
+            android:name="com.noop.widget.NoopCompactWidgetReceiver"
+            android:exported="true"
+            android:label="@string/widget_compact_name">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/noop_compact_widget_info" />
+        </receiver>
+
         <!-- Optional native phone-call alerts. The receiver only reacts to ringing/offhook/idle state
              and never reads the incoming-number extra. Delivery is gated by the Notifications screen
              settings and by the just-in-time READ_PHONE_STATE runtime permission. -->

android/app/src/main/java/com/noop/widget/NoopCompactGlanceWidget.kt

@@ -0,0 +1,183 @@
+package com.noop.widget
+
+import android.content.Context
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.glance.ColorFilter
+import androidx.glance.GlanceId
+import androidx.glance.GlanceModifier
+import androidx.glance.Image
+import androidx.glance.ImageProvider
+import androidx.glance.action.actionStartActivity
+import androidx.glance.action.clickable
+import androidx.glance.appwidget.GlanceAppWidget
+import androidx.glance.appwidget.cornerRadius
+import androidx.glance.appwidget.provideContent
+import androidx.glance.background
+import androidx.glance.layout.Alignment
+import androidx.glance.layout.Column
+import androidx.glance.layout.Row
+import androidx.glance.layout.Spacer
+import androidx.glance.layout.fillMaxSize
+import androidx.glance.layout.fillMaxWidth
+import androidx.glance.layout.height
+import androidx.glance.layout.padding
+import androidx.glance.layout.width
+import androidx.glance.text.FontWeight
+import androidx.glance.text.Text
+import androidx.glance.text.TextStyle
+import androidx.glance.unit.ColorProvider
+import com.noop.R
+import com.noop.ui.MainActivity
+import java.text.DateFormat
+import java.util.Date
+
+/** Compact home-screen widget: Rest, Charge and Effort icon cells plus live HR and strap battery. */
+class NoopCompactGlanceWidget : GlanceAppWidget() {
+
+    override suspend fun provideGlance(context: Context, id: GlanceId) {
+        val snap = runCatching { WidgetSnapshotStore.load(context) }.getOrDefault(WidgetSnapshot())
+        val dark = runCatching {
+            when (context.getSharedPreferences("noop_prefs", Context.MODE_PRIVATE)
+                .getString("theme.appearance", "system")) {
+                "light" -> false
+                "dark" -> true
+                else -> (context.resources.configuration.uiMode and
+                    android.content.res.Configuration.UI_MODE_NIGHT_MASK) ==
+                    android.content.res.Configuration.UI_MODE_NIGHT_YES
+            }
+        }.getOrDefault(true)
+        provideContent { CompactWidgetContent(snap, dark) }
+    }
+
+    override fun onCompositionError(
+        context: Context,
+        glanceId: GlanceId,
+        appWidgetId: Int,
+        throwable: Throwable,
+    ) {
+        runCatching {
+            val rv = android.widget.RemoteViews(context.packageName, R.layout.noop_widget_error)
+            android.appwidget.AppWidgetManager.getInstance(context).updateAppWidget(appWidgetId, rv)
+        }
+    }
+}
+
+private fun compactWidgetSurface(dark: Boolean) =
+    ColorProvider(if (dark) Color(0xFF0A1322) else Color(0xFFF4F1EA))
+private fun compactWidgetTextPrimary(dark: Boolean) =
+    ColorProvider(if (dark) Color(0xFFF4F6F8) else Color(0xFF1A2230))
+private fun compactWidgetTextSecondary(dark: Boolean) =
+    ColorProvider(if (dark) Color(0xFF8A94A4) else Color(0xFF7C8696))
+
+private fun compactBandColor(recovery: Int, dark: Boolean): ColorProvider = ColorProvider(
+    when {
+        recovery >= 67 -> if (dark) Color(0xFFE8B84B) else Color(0xFFB07D17)
+        recovery >= 34 -> if (dark) Color(0xFFD98A3D) else Color(0xFFC2792E)
+        else -> if (dark) Color(0xFFE0662F) else Color(0xFFC84E1E)
+    },
+)
+
+private fun compactEffortColor(dark: Boolean): ColorProvider =
+    ColorProvider(if (dark) Color(0xFF4FB6A8) else Color(0xFF2E7D74))
+
+@Composable
+private fun CompactWidgetContent(snap: WidgetSnapshot, dark: Boolean) {
+    val surface = compactWidgetSurface(dark)
+    val textPrimary = compactWidgetTextPrimary(dark)
+    val textSecondary = compactWidgetTextSecondary(dark)
+    Column(
+        modifier = GlanceModifier
+            .fillMaxSize()
+            .background(surface)
+            .cornerRadius(16.dp)
+            .clickable(actionStartActivity<MainActivity>())
+            .padding(horizontal = 10.dp, vertical = 8.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        Row(
+            modifier = GlanceModifier.fillMaxWidth(),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalAlignment = Alignment.Bottom,
+        ) {
+            CompactScoreCell(
+                label = "REST",
+                iconRes = R.drawable.ic_widget_rest,
+                pct = snap.restPct,
+                color = snap.restPct?.let { compactBandColor(it, dark) } ?: textSecondary,
+                modifier = GlanceModifier.defaultWeight(),
+            )
+            CompactScoreCell(
+                label = "CHARGE",
+                iconRes = R.drawable.ic_widget_charge,
+                pct = snap.recoveryPct,
+                color = snap.recoveryPct?.let { compactBandColor(it, dark) } ?: textSecondary,
+                modifier = GlanceModifier.defaultWeight(),
+            )
+            CompactScoreCell(
+                label = "EFFORT",
+                iconRes = R.drawable.ic_widget_effort,
+                pct = snap.effortPct,
+                color = snap.effortPct?.let { compactEffortColor(dark) } ?: textSecondary,
+                modifier = GlanceModifier.defaultWeight(),
+            )
+        }
+        Spacer(modifier = GlanceModifier.height(6.dp))
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Text(
+                text = snap.heartRate?.let { "♥ $it" } ?: "♥ - ",
+                style = TextStyle(color = textPrimary, fontSize = 13.sp),
+            )
+            Spacer(modifier = GlanceModifier.width(10.dp))
+            Image(
+                provider = ImageProvider(R.drawable.ic_widget_strap_battery),
+                contentDescription = "Strap battery",
+                modifier = GlanceModifier.width(14.dp).height(14.dp),
+                colorFilter = ColorFilter.tint(textPrimary),
+            )
+            Spacer(modifier = GlanceModifier.width(3.dp))
+            Text(
+                text = snap.batteryPct?.let { "$it%" } ?: "-",
+                style = TextStyle(color = textPrimary, fontSize = 13.sp),
+            )
+        }
+        Spacer(modifier = GlanceModifier.height(1.dp))
+        Text(
+            text = when {
+                snap.connected -> "Connected"
+                snap.updatedAtMs > 0L ->
+                    DateFormat.getTimeInstance(DateFormat.SHORT).format(Date(snap.updatedAtMs))
+                else -> "Open NOOP to connect"
+            },
+            style = TextStyle(color = textSecondary, fontSize = 11.sp),
+        )
+    }
+}
+
+@Composable
+private fun CompactScoreCell(
+    label: String,
+    iconRes: Int,
+    pct: Int?,
+    color: ColorProvider,
+    modifier: GlanceModifier = GlanceModifier,
+) {
+    Column(
+        modifier = modifier,
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Image(
+            provider = ImageProvider(iconRes),
+            contentDescription = label,
+            modifier = GlanceModifier.width(18.dp).height(18.dp),
+            colorFilter = ColorFilter.tint(color),
+        )
+        Text(
+            text = pct?.let { "$it%" } ?: "—",
+            style = TextStyle(color = color, fontSize = 21.sp, fontWeight = FontWeight.Bold),
+        )
+    }
+}

android/app/src/main/java/com/noop/widget/NoopCompactWidgetReceiver.kt

@@ -0,0 +1,9 @@
+package com.noop.widget
+
+import androidx.glance.appwidget.GlanceAppWidget
+import androidx.glance.appwidget.GlanceAppWidgetReceiver
+
+/** Manifest entry point for the compact home-screen widget. */
+class NoopCompactWidgetReceiver : GlanceAppWidgetReceiver() {
+    override val glanceAppWidget: GlanceAppWidget = NoopCompactGlanceWidget()
+}

android/app/src/main/java/com/noop/widget/WidgetSnapshot.kt

@@ -48,11 +48,15 @@ object WidgetSnapshotStore {
         save(app, snap)
         PushGate.markPushed(snap)
 
-        val ids = runCatching {
+        val standardIds = runCatching {
             GlanceAppWidgetManager(app).getGlanceIds(NoopGlanceWidget::class.java)
         }.getOrDefault(emptyList())
-        if (ids.isEmpty()) return
+        val compactIds = runCatching {
+            GlanceAppWidgetManager(app).getGlanceIds(NoopCompactGlanceWidget::class.java)
+        }.getOrDefault(emptyList())
+        if (standardIds.isEmpty() && compactIds.isEmpty()) return
         runCatching { NoopGlanceWidget().updateAll(app) }
+        runCatching { NoopCompactGlanceWidget().updateAll(app) }
     }
 
     fun save(context: Context, snap: WidgetSnapshot) {

android/app/src/main/res/drawable/ic_widget_charge.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M13,2L4,14H11L9,22L20,9H13L13,2Z" />
+</vector>

android/app/src/main/res/drawable/ic_widget_effort.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,8H6V16H4V8ZM7,6H9V18H7V6ZM10,11H14V13H10V11ZM15,6H17V18H15V6ZM18,8H20V16H18V8Z" />
+</vector>

android/app/src/main/res/drawable/ic_widget_rest.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M20.5,15.3C19.2,18.6 16,21 12.2,21C7.1,21 3,16.9 3,11.8C3,7.9 5.4,4.6 8.9,3.3C7.8,4.7 7.2,6.5 7.2,8.4C7.2,13 11,16.8 15.6,16.8C17.4,16.8 19.1,16.3 20.5,15.3Z" />
+</vector>

android/app/src/main/res/drawable/ic_widget_strap_battery.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,7C4,5.9 4.9,5 6,5H18C19.1,5 20,5.9 20,7V8H21C21.6,8 22,8.4 22,9V15C22,15.6 21.6,16 21,16H20V17C20,18.1 19.1,19 18,19H6C4.9,19 4,18.1 4,17V7ZM6,7V17H18V7H6ZM8,9H16V15H8V9Z" />
+</vector>

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

@@ -2,6 +2,8 @@
 <resources>
     <string name="app_name">NOOP</string>
     <string name="widget_description">Today\'s Rest, Charge and Effort, with live heart rate and strap battery at a glance.</string>
+    <string name="widget_compact_name">NOOP Compact</string>
+    <string name="widget_compact_description">Compact Rest, Charge and Effort widget, with live heart rate and strap battery.</string>
     <string name="widget_error">NOOP widget couldn\'t draw — it will recover on the next update.</string>
 
     <!-- Navigation: bottom-bar tabs, the More page rows, and the top-bar screen titles. These are the

android/app/src/main/res/xml/noop_compact_widget_info.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Compact home-screen widget metadata. updatePeriodMillis=0: the app pushes updates through
+     WidgetSnapshotStore whenever live state or today's Rest/Charge/Effort changes (#516). -->
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:description="@string/widget_compact_description"
+    android:minWidth="140dp"
+    android:minHeight="88dp"
+    android:targetCellWidth="2"
+    android:targetCellHeight="1"
+    android:resizeMode="horizontal|vertical"
+    android:widgetCategory="home_screen"
+    android:updatePeriodMillis="0"
+    android:initialLayout="@layout/glance_default_loading_layout" />