Add HRS service

lib_utils/src/main/java/no/nordicsemi/android/utils/Ext.kt

@@ -2,6 +2,9 @@ package no.nordicsemi.android.utils
 
 import android.app.ActivityManager
 import android.content.Context
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.navigation.NavController
 
 val <T> T.exhaustive
     get() = this
@@ -14,3 +17,17 @@ fun Context.isServiceRunning(serviceClassName: String): Boolean {
     val services = activityManager.getRunningServices(Integer.MAX_VALUE)
     return services.find { it.service.className == serviceClassName } != null
 }
+
+@Composable
+fun <T> NavController.consumeResult(value: String): T? {
+
+    val secondScreenResult = currentBackStackEntry
+        ?.savedStateHandle
+        ?.getLiveData<T>(value)?.observeAsState()
+
+    return secondScreenResult?.value?.also {
+        currentBackStackEntry
+            ?.savedStateHandle
+            ?.set(value, null)
+    }
+}