Add initial Wear OS heart rate provider support

app/res/menu/hrsettings_menu.xml

@@ -38,6 +38,12 @@
         android:orderInCategory="100"
         android:title="@string/Experimental_HRM_devices" />
 
+    <item
+        android:id="@+id/menu_hrdevice_wear_os"
+        android:orderInCategory="100"
+        android:title="@string/Wear_OS_devices"
+        android:checkable="true"/>
+
     <item
         android:id="@+id/menu_hrdevice_mock"
         android:checkable="true"

app/res/values/pref_keys.xml

@@ -130,6 +130,7 @@
     <string name="pref_bt_experimental">pref_bt_experimental</string>
     <string name="pref_bt_mock">pref_bt_mock</string>
     <string name="pref_bt_debug">pref_bt_debug</string>
+    <string name="pref_bt_wear_os">pref_bt_wear_os</string>
 
     <string name="pref_hrz_age">hrzAge</string>
     <string name="pref_hrz_sex">hrzSex</string>

app/src/main/org/runnerup/view/HRSettingsActivity.java

@@ -194,6 +194,7 @@ public void onDestroy() {
           put(R.id.menu_hrdevice_paired_ble, R.string.pref_bt_paired_ble);
           put(R.id.menu_hrdevice_experimental, R.string.pref_bt_experimental);
           put(R.id.menu_hrdevice_mock, R.string.pref_bt_mock);
+          put(R.id.menu_hrdevice_wear_os, R.string.pref_bt_wear_os);
           put(R.id.menu_hrdevice_debug, R.string.pref_bt_debug);
         }
       };

common/src/main/java/org/runnerup/common/util/Constants.java

@@ -205,6 +205,8 @@ interface Intents {
     String START_WORKOUT = BuildConfig.applicationIdFull + ".START_WORKOUT";
     String PAUSE_WORKOUT = BuildConfig.applicationIdFull + ".PAUSE_WORKOUT";
     String RESUME_WORKOUT = BuildConfig.applicationIdFull + ".RESUME_WORKOUT";
+    /** ID of the node (device) that sent the message/data */
+    String EXTRA_SOURCE_NODE_ID = BuildConfig.applicationIdFull + ".EXTRA_SOURCE_NODE_ID";
     // Used from Wear: Request permission
     String EXTRA_PERMISSION_TO_REQUEST =
         BuildConfig.applicationIdFull + ".EXTRA_PERMISSION_TO_REQUEST";
@@ -260,6 +262,16 @@ interface Path {
       String MSG_CMD_WORKOUT_RESUME = PREFIX + "/workout/resume";
       String MSG_CMD_WORKOUT_NEW_LAP = PREFIX + "/workout/new_lap";
       String MSG_CMD_WORKOUT_START = PREFIX + "/workout/start";
+
+      /* Msg: start/stop HR from phone to wear */
+      String MSG_CMD_HR_START = PREFIX + "/hr/start";
+      String MSG_CMD_HR_STOP = PREFIX + "/hr/stop";
+
+      /* Msg: Heart rate data from wear to phone */
+      String MSG_HEART_RATE = PREFIX + "/hr/data";
+
+      /* Msg: Battery level from wear to phone */
+      String MSG_BATTERY_LEVEL = PREFIX + "/battery/level";
     }
 
     interface RunInfo {
@@ -274,5 +286,11 @@ interface RunInfo {
     interface TrackerState {
       String STATE = "state";
     }
+
+    interface Capability {
+      // Important: The wear app must advertise this exact same capability name in its
+      // res/values/wear.xml file.
+      String HEART_RATE_PROVIDER = "runnerup_hr_provider";
+    }
   }
 }

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

@@ -206,6 +206,7 @@
     <string name="Experimental_HRM_devices">Experimental HRM devices</string>
     <string name="Paired_BLE_devices">Paired BLE devices</string>
     <string name="Experimental_features">Experimental features</string>
+    <string name="Wear_OS_devices">Wear OS devices</string>
     <string name="Mock_HRM_devices">Mock HRM devices</string>
     <string name="Debug_HRM">Debug HRM</string>
     <string name="About_RunnerUp">About RunnerUp</string>

hrdevice/AndroidManifest.xml

@@ -14,10 +14,4 @@
         android:name="android.permission.BLUETOOTH_CONNECT"
         android:minSdkVersion="31" />
 
-    <application
-        android:allowBackup="true"
-        android:label="@string/app_name">
-
-    </application>
-
 </manifest>

hrdevice/build.gradle

@@ -60,8 +60,11 @@ repositories {
 }
 
 dependencies {
+    implementation project(':common')
+
     implementation "androidx.appcompat:appcompat:${rootProject.ext.appcompat_version}"
     implementation "androidx.preference:preference:${rootProject.ext.preference_version}"
+    implementation "com.google.android.gms:play-services-wearable:${rootProject.ext.googlePlayServicesWearableVersion}"
 
     if (rootProject.ext.antPlusLibName) {
         implementation(name: rootProject.ext.antPlusLibName, ext: 'aar')

hrdevice/res/values/strings.xml

@@ -1,7 +1,6 @@
 <resources>
-    <string name="app_name">HRDevice</string>
-
     <string name="pref_bt_paired_ble">pref_bt_paired_ble</string>
     <string name="pref_bt_experimental">pref_bt_experimental</string>
     <string name="pref_bt_mock">pref_bt_mock</string>
+    <string name="pref_bt_wear_os">pref_bt_wear_os</string>
 </resources>

hrdevice/src/org/runnerup/hr/HRManager.java

@@ -79,6 +79,11 @@ private static HRProvider getHRProviderImpl(Context ctx, String src) {
       return new Bt20Base.StHRMv1(ctx);
     }
 
+    if (src.contentEquals(WearHRProvider.NAME)) {
+      if (!WearHRProvider.checkLibrary(ctx)) return null;
+      return new WearHRProvider(ctx);
+    }
+
     if (src.contentEquals(MockHRProvider.NAME)) {
       return new MockHRProvider(ctx);
     }
@@ -99,6 +104,7 @@ public static List<HRProvider> getHRProviderList(Context ctx) {
     Resources res = ctx.getResources();
     SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
     boolean experimental = prefs.getBoolean(res.getString(R.string.pref_bt_experimental), false);
+    boolean wear_os = prefs.getBoolean(res.getString(R.string.pref_bt_wear_os), false);
     boolean mock = prefs.getBoolean(res.getString(R.string.pref_bt_mock), false);
 
     List<HRProvider> providers = new ArrayList<>();
@@ -125,6 +131,10 @@ public static List<HRProvider> getHRProviderList(Context ctx) {
       }
     }
 
+    if (wear_os) {
+      providers.add(new WearHRProvider(ctx));
+    }
+
     if (mock) {
       providers.add(new MockHRProvider(ctx));
     }