WIP: health sync

.github/workflows/analyze.yml

@@ -1,6 +1,10 @@
 name: Analyze
 on:
+  # Direct pushes are only validated on master (post-merge); everything else
+  # is covered by the pull_request trigger, avoiding duplicate runs for
+  # same-repo PR branches.
   push:
+    branches: [ master, ]
     paths:
       - '**.dart'
       - 'pubspec.yaml'
@@ -9,7 +13,6 @@ on:
       - 'ios/Runner/Info.plist'
       - 'android/app/src/main/res/xml/locales_config.xml'
   pull_request:
-    branches: [ master, ]
     paths:
       - '**/*.dart'
       - 'pubspec.yaml'

.github/workflows/ci.yml

@@ -1,11 +1,14 @@
-name: Continous Integration
+name: Continuous Integration
 on:
+  # Direct pushes are only validated on master (post-merge); everything else
+  # is covered by the pull_request trigger, avoiding duplicate runs for
+  # same-repo PR branches.
   push:
+    branches: [ master, ]
     paths:
       - '**.dart'
       - 'pubspec.yaml'
   pull_request:
-    branches: [ master, ]
     paths:
       - '**/*.dart'
       - 'pubspec.yaml'

android/app/build.gradle

@@ -40,10 +40,14 @@ android {
     defaultConfig {
         // Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "de.wger.flutter"
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 26
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName
+
+        // Overridden by the debug build type. Set here rather than per build
+        // type so the profile variant has it as well
+        resValue "string", "app_name", "wger"
     }
 
     signingConfigs {
@@ -59,7 +63,11 @@ android {
             signingConfig signingConfigs.release
         }
         debug {
+            // Own application id and name, so a debug build can sit next to the
+            // installed release one on the same device. The launcher icon keeps
+            // the wger logo on a different background, see src/debug/res
             applicationIdSuffix ".debug"
+            resValue "string", "app_name", "wger - debug"
         }
     }
 }

android/app/src/debug/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Background of the adaptive launcher icon. Overrides the release blue so
+         a debug build is recognisable at a glance next to the installed app -->
+    <color name="ic_launcher_background">#e63946</color>
+</resources>

android/app/src/main/AndroidManifest.xml

@@ -9,11 +9,34 @@
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.INTERNET" />
 
+    <!-- Health Connect permissions for the imported measurement types. Must
+         list every type in enabledHealthMetrics: Health Connect cannot grant
+         what is not declared here, so a missing entry silently costs that
+         metric its import. Guarded by health_manifest_test.dart -->
+    <uses-permission android:name="android.permission.health.READ_WEIGHT"/>
+    <uses-permission android:name="android.permission.health.READ_BODY_FAT"/>
+    <uses-permission android:name="android.permission.health.READ_LEAN_BODY_MASS"/>
+    <uses-permission android:name="android.permission.health.READ_HEIGHT"/>
+    <uses-permission android:name="android.permission.health.READ_BLOOD_PRESSURE"/>
+    <uses-permission android:name="android.permission.health.READ_HEART_RATE"/>
+    <uses-permission android:name="android.permission.health.READ_RESTING_HEART_RATE"/>
+    <uses-permission android:name="android.permission.health.READ_OXYGEN_SATURATION"/>
+    <uses-permission android:name="android.permission.health.READ_SLEEP"/>
+    <uses-permission android:name="android.permission.health.READ_STEPS"/>
+    <uses-permission android:name="android.permission.health.READ_DISTANCE"/>
+    <uses-permission android:name="android.permission.health.READ_ACTIVE_CALORIES_BURNED"/>
+    <uses-permission android:name="android.permission.health.READ_HEALTH_DATA_HISTORY"/>
+
     <queries>
         <intent>
             <action android:name="android.intent.action.VIEW" />
             <data android:scheme="https" />
         </intent>
+        <!-- Health Connect -->
+        <package android:name="com.google.android.apps.healthdata" />
+        <intent>
+            <action android:name="androidx.health.ACTION_SHOW_PERMISSIONS_RATIONALE" />
+        </intent>
     </queries>
 
     <supports-screens
@@ -24,7 +47,7 @@
 
     <application
         android:name="${applicationName}"
-        android:label="wger"
+        android:label="@string/app_name"
         android:icon="@mipmap/ic_launcher"
         android:enableOnBackInvokedCallback="true"
         android:networkSecurityConfig="@xml/network_security_config"
@@ -66,8 +89,24 @@
                 <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="wger" android:host="app-auth" />
             </intent-filter>
+
+            <!-- Health Connect permissions rationale -->
+            <intent-filter>
+                <action android:name="androidx.health.ACTION_SHOW_PERMISSIONS_RATIONALE" />
+            </intent-filter>
         </activity>
 
+        <!-- Required for Health Connect on Google Play -->
+        <activity-alias
+            android:name="ViewPermissionUsageActivity"
+            android:exported="true"
+            android:targetActivity=".MainActivity"
+            android:permission="android.permission.START_VIEW_PERMISSION_USAGE">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW_PERMISSION_USAGE" />
+                <category android:name="android.intent.category.HEALTH_PERMISSIONS" />
+            </intent-filter>
+        </activity-alias>
 
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->

android/app/src/main/kotlin/de/wger/flutter/MainActivity.kt

@@ -1,6 +1,6 @@
 package de.wger.flutter
 
-import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.android.FlutterFragmentActivity
 
-class MainActivity: FlutterActivity() {
+class MainActivity: FlutterFragmentActivity() {
 }

ios/Runner.xcodeproj/project.pbxproj

@@ -287,7 +287,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -375,7 +375,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -424,7 +424,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

ios/Runner/Info.plist

@@ -87,6 +87,8 @@
 		<true/>
 		<key>NSCameraUsageDescription</key>
 		<string>Workout photos</string>
+		<key>NSHealthShareUsageDescription</key>
+		<string>wger reads your health data to automatically import body measurements such as weight, body fat, blood pressure, heart rate and blood oxygen</string>
 		<key>UIApplicationSceneManifest</key>
 		<dict>
 			<key>UIApplicationSupportsMultipleScenes</key>

ios/Runner/Runner.entitlements

@@ -4,5 +4,7 @@
 <dict>
 	<key>aps-environment</key>
 	<string>development</string>
+	<key>com.apple.developer.healthkit</key>
+	<true/>
 </dict>
 </plist>

lib/core/consts.dart

@@ -24,7 +24,7 @@ import 'package:intl/intl.dart';
 /// Bump this value whenever you depend on API changes that are only available
 /// in a newer server release. The check is performed during login and
 /// auto-login and mirrors what the server does with MIN_APP_VERSION.
-const MIN_SERVER_VERSION = '2.6';
+const MIN_SERVER_VERSION = '2.7';
 
 /// Size for the "smaller" icons, e.g. when they belong to less important items
 /// and we don't want to fill the whole screen
@@ -69,6 +69,9 @@ const PREFS_LAST_SERVER = 'lastServer';
 const PREFS_USE_DYNAMIC_COLOR = 'useDynamicColor';
 const USE_DYNAMIC_COLOR_DEFAULT = false;
 
+/// The chart range the measurement screens share, held as `ChartRange.name`
+const PREFS_CHART_RANGE = 'measurementChartRange';
+
 /// Headless JWT auth: SharedPreferences keys.
 ///
 /// Read in parallel with the legacy `PREFS_USER` blob during the migration

lib/core/formatting/formatting.dart

@@ -1,6 +1,6 @@
 /*
  * This file is part of wger Workout Manager <https://github.com/wger-project>.
- * Copyright (c) 2026 wger Team
+ * Copyright (c) 2026 - 2026 wger Team
  *
  * wger Workout Manager is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -16,8 +16,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import 'dart:math';
+
 import 'package:flutter/widgets.dart';
 import 'package:intl/intl.dart';
+import 'package:wger/l10n/generated/app_localizations.dart';
 
 /// A short date format (`DateFormat.yMd`) bound to the current locale's
 /// language. Chain further patterns (e.g. `.add_Hm()`) as needed.
@@ -27,3 +30,118 @@ DateFormat localizedDate(BuildContext context) =>
 /// A decimal number format bound to the current locale.
 NumberFormat localizedNumberFormat(BuildContext context) =>
     NumberFormat.decimalPattern(Localizations.localeOf(context).toString());
+
+/// A date in the past as a relative phrase ("today", "3 weeks ago").
+///
+/// Counts calendar days rather than elapsed hours, so an entry from late
+/// yesterday still reads as yesterday this morning. The unit grows with the
+/// distance: days within a week, then weeks, months, years. Matches react's
+/// dateToRelative for past dates, which reaches the same output through Intl.
+///
+/// A date ahead of [now] reads as today: the pickers do not offer one, so it
+/// only ever arrives through clock skew between devices, and the phrases for
+/// it (react has them from Intl) would be four more strings to translate for
+/// a case nobody is looking at.
+String relativeDate(BuildContext context, DateTime date, {DateTime? now}) {
+  final today = now ?? DateTime.now();
+  // Calendar arithmetic in UTC, so a DST day is not 23 or 25 hours long
+  final elapsed = DateTime.utc(
+    today.year,
+    today.month,
+    today.day,
+  ).difference(DateTime.utc(date.year, date.month, date.day)).inDays;
+  final days = max(0, elapsed);
+
+  final i18n = AppLocalizations.of(context);
+  if (days < DateTime.daysPerWeek) {
+    return i18n.relativeDaysAgo(days);
+  }
+  if (days < 31) {
+    return i18n.relativeWeeksAgo((days / 7).round());
+  }
+  if (days < 365) {
+    return i18n.relativeMonthsAgo((days / 30).round());
+  }
+  return i18n.relativeYearsAgo((days / 365).round());
+}
+
+/// The unit a duration is stored in, which is what the health platforms deliver.
+const durationUnit = 'min';
+
+/// A duration in minutes as hours and minutes, e.g. 452 as `7:32`.
+///
+/// Neither intl nor intl4x has a duration formatter, so the parts are put
+/// together the way flutter_localizations does it for a time of day: the
+/// digits come from the locale (`۷:۳۲` in Persian) and the minutes are zero
+/// padded through the number format rather than through the string. The sign
+/// is ours, a duration is only ever negative here as a change between two of
+/// them. The web side reaches the same output through Intl.DurationFormat.
+String hoursAndMinutes(num minutes, String locale) {
+  final rounded = minutes.round();
+  final absolute = rounded.abs();
+
+  return '${rounded < 0 ? '-' : ''}'
+      '${NumberFormat.decimalPattern(locale).format(absolute ~/ 60)}:'
+      '${NumberFormat('00', locale).format(absolute % 60)}';
+}
+
+/// A measured value on its own, formatted the way its unit is read. For the
+/// ends of a range, where only the last one carries the unit.
+///
+/// [decimals] caps the fraction digits, for at-a-glance readings; without it
+/// the locale default (up to three) applies. A duration ignores it, hours and
+/// minutes have no decimals to cap.
+String measurementValue(BuildContext context, num value, String unit, {int? decimals}) =>
+    unit == durationUnit
+    ? hoursAndMinutes(value, Localizations.localeOf(context).toString())
+    : (decimals == null
+              ? localizedNumberFormat(context)
+              : (localizedNumberFormat(context)..maximumFractionDigits = decimals))
+          .format(value);
+
+/// The unit as it is shown. A duration is stored in minutes but read in hours,
+/// and the symbol stays untranslated like the units of the other categories.
+String measurementUnit(String unit) => unit == durationUnit ? 'h' : unit;
+
+/// An already formatted value followed by its unit, or on its own where there
+/// is none: a step count is a bare number, and so may be a free-form category.
+String unitSuffixed(String formatted, String unit) =>
+    unit.isEmpty ? formatted : '$formatted ${measurementUnit(unit)}';
+
+/// A measured value with its unit. [decimals] as in [measurementValue].
+String measurementWithUnit(BuildContext context, num value, String unit, {int? decimals}) =>
+    unitSuffixed(measurementValue(context, value, unit, decimals: decimals), unit);
+
+/// Ticks a duration axis aims for, few enough that the labels stay apart.
+const _DURATION_TICKS = 6;
+
+const _MINUTES_PER_HOUR = 60;
+
+/// Bounds and tick interval of an axis of durations, null for every other
+/// unit, where fl_chart picks them.
+///
+/// A duration is read in hours, so a tick belongs on a whole one: an axis
+/// labelled 6:40, 8:20, 10:00 is arithmetically correct and unreadable. The
+/// interval grows in whole hours until few enough ticks are left, and the
+/// bounds are widened to the hours around the data, because fl_chart counts
+/// the ticks from the lower bound.
+({double min, double max, double interval})? durationAxis(
+  String unit,
+  num min,
+  num max,
+) {
+  if (unit != durationUnit) {
+    return null;
+  }
+
+  final from = (min / _MINUTES_PER_HOUR).floor() * _MINUTES_PER_HOUR;
+  final to = (max / _MINUTES_PER_HOUR).ceil() * _MINUTES_PER_HOUR;
+  final hours = ((to - from) / _MINUTES_PER_HOUR).clamp(1, double.infinity);
+  final interval = (hours / _DURATION_TICKS).ceil() * _MINUTES_PER_HOUR;
+
+  // The top follows the interval rather than the data: a bound that ended
+  // below the last tick would cut the values it was derived from
+  final top = from + ((to - from) / interval).ceil() * interval;
+
+  return (min: from.toDouble(), max: top.toDouble(), interval: interval.toDouble());
+}