Change DFU label depends on DFU app presence.

app/src/main/AndroidManifest.xml

@@ -2,6 +2,16 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="no.nordicsemi.android.nrftoolbox">
 
+    <queries>
+        <package android:name="no.nordicsemi.android.dfu" />
+
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <category android:name="android.intent.category.BROWSABLE" />
+            <data android:scheme="https" />
+        </intent>
+    </queries>
+
     <application
         android:name=".NrfToolboxApplication"
         android:allowBackup="true"

app/src/main/java/no/nordicsemi/android/nrftoolbox/MainActivity.kt

@@ -2,6 +2,7 @@ package no.nordicsemi.android.nrftoolbox
 
 import android.os.Bundle
 import androidx.activity.compose.setContent
+import androidx.activity.viewModels
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
@@ -11,11 +12,17 @@ import no.nordicsemi.android.gls.GLSDestinations
 import no.nordicsemi.android.material.you.NordicActivity
 import no.nordicsemi.android.material.you.NordicTheme
 import no.nordicsemi.android.navigation.NavigationView
+import no.nordicsemi.android.nrftoolbox.repository.ActivitySignals
+import no.nordicsemi.android.nrftoolbox.viewmodel.HomeViewModel
 import no.nordicsemi.ui.scanner.ScannerDestinations
+import javax.inject.Inject
 
 @AndroidEntryPoint
 class MainActivity : NordicActivity() {
 
+    @Inject
+    lateinit var activitySignals: ActivitySignals
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -30,4 +37,9 @@ class MainActivity : NordicActivity() {
             }
         }
     }
+
+    override fun onResume() {
+        super.onResume()
+        activitySignals.onResume()
+    }
 }

app/src/main/java/no/nordicsemi/android/nrftoolbox/repository/ActivitySignals.kt

@@ -0,0 +1,17 @@
+package no.nordicsemi.android.nrftoolbox.repository
+
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ActivitySignals @Inject constructor() {
+
+    private val _onResumeTrigger = MutableStateFlow(false)
+    val state = _onResumeTrigger.asStateFlow()
+
+    fun onResume() {
+        _onResumeTrigger.value = !_onResumeTrigger.value
+    }
+}

app/src/main/java/no/nordicsemi/android/nrftoolbox/view/HomeView.kt

@@ -14,6 +14,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.OnLifecycleEvent
 import no.nordicsemi.android.nrftoolbox.BuildConfig
 import no.nordicsemi.android.nrftoolbox.ProfileDestination
 import no.nordicsemi.android.nrftoolbox.R
@@ -124,7 +125,12 @@ fun HomeScreen() {
                 val uriHandler = LocalUriHandler.current
                 val context = LocalContext.current
                 val packageManger = context.packageManager
-                FeatureButton(R.drawable.ic_dfu, R.string.dfu_module, R.string.dfu_module_full, null, R.string.dfu_module_info) {
+
+                val description = packageManger.getLaunchIntentForPackage(DFU_PACKAGE_NAME)?.let {
+                    R.string.dfu_module_info
+                } ?: R.string.dfu_module_install
+
+                FeatureButton(R.drawable.ic_dfu, R.string.dfu_module, R.string.dfu_module_full, null, description) {
                     val intent = packageManger.getLaunchIntentForPackage(DFU_PACKAGE_NAME)
                     if (intent != null) {
                         context.startActivity(intent)

app/src/main/java/no/nordicsemi/android/nrftoolbox/view/HomeViewState.kt

@@ -7,5 +7,11 @@ data class HomeViewState(
     val isRSCSModuleRunning: Boolean = false,
     val isPRXModuleRunning: Boolean = false,
     val isCGMModuleRunning: Boolean = false,
-    val isUARTModuleRunning: Boolean = false
-)
+    val isUARTModuleRunning: Boolean = false,
+    val refreshToggle: Boolean = false
+) {
+
+    fun copyWithRefresh(): HomeViewState {
+        return copy(refreshToggle = !refreshToggle)
+    }
+}

app/src/main/java/no/nordicsemi/android/nrftoolbox/viewmodel/HomeViewModel.kt

@@ -1,5 +1,6 @@
 package no.nordicsemi.android.nrftoolbox.viewmodel
 
+import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -13,6 +14,7 @@ import no.nordicsemi.android.hrs.service.HRSRepository
 import no.nordicsemi.android.hts.repository.HTSRepository
 import no.nordicsemi.android.navigation.NavigationManager
 import no.nordicsemi.android.nrftoolbox.ProfileDestination
+import no.nordicsemi.android.nrftoolbox.repository.ActivitySignals
 import no.nordicsemi.android.nrftoolbox.view.HomeViewState
 import no.nordicsemi.android.prx.repository.PRXRepository
 import no.nordicsemi.android.rscs.repository.RSCSRepository
@@ -22,6 +24,7 @@ import javax.inject.Inject
 @HiltViewModel
 class HomeViewModel @Inject constructor(
     private val navigationManager: NavigationManager,
+    private val activitySignals: ActivitySignals,
     cgmRepository: CGMRepository,
     cscRepository: CSCRepository,
     hrsRepository: HRSRepository,
@@ -62,6 +65,10 @@ class HomeViewModel @Inject constructor(
         uartRepository.isRunning.onEach {
             _state.value = _state.value.copy(isUARTModuleRunning = it)
         }.launchIn(viewModelScope)
+
+        activitySignals.state.onEach {
+            _state.value = _state.value.copyWithRefresh()
+        }.launchIn(viewModelScope)
     }
 
     fun openProfile(destination: ProfileDestination) {

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

@@ -20,6 +20,7 @@
     <string name="dfu_module">DFU</string>
     <string name="dfu_module_full">Device Firmware Update</string>
     <string name="dfu_module_info">Available in separate application.</string>
+    <string name="dfu_module_install">Install from Google Play Store.</string>
 
     <string name="viewmodel_profiles">ViewModel profiles</string>
     <string name="service_profiles">Service profiles</string>