Modify DFU button

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

@@ -29,6 +29,7 @@ fun FeatureButton(
     @StringRes nameCode: Int,
     @StringRes name: Int,
     isRunning: Boolean? = null,
+    @StringRes description: Int? = null,
     onClick: () -> Unit
 ) {
     ScreenSection(onClick = onClick) {
@@ -57,12 +58,26 @@ fun FeatureButton(
 
             Spacer(modifier = Modifier.size(16.dp))
 
-            Text(
-                text = stringResource(id = name),
-                style = MaterialTheme.typography.bodyLarge,
-                modifier = Modifier.weight(1f),
-                textAlign = TextAlign.Center
-            )
+            Column(modifier = Modifier.weight(1f)) {
+                Text(
+                    modifier = Modifier.fillMaxWidth(),
+                    text = stringResource(id = name),
+                    style = MaterialTheme.typography.bodyLarge,
+                    textAlign = TextAlign.Center
+                )
+
+                description?.let {
+                    Spacer(modifier = Modifier.size(4.dp))
+
+                    Text(
+                        modifier = Modifier.fillMaxWidth(),
+                        text = stringResource(id = it),
+                        style = MaterialTheme.typography.labelMedium,
+                        textAlign = TextAlign.Center,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+            }
         }
     }
 }

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

@@ -8,6 +8,7 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalUriHandler
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
@@ -19,6 +20,7 @@ import no.nordicsemi.android.nrftoolbox.R
 import no.nordicsemi.android.nrftoolbox.viewmodel.HomeViewModel
 import no.nordicsemi.android.theme.view.TitleAppBar
 
+private const val DFU_PACKAGE_NAME = "no.nordicsemi.android.dfu"
 private const val DFU_LINK = "https://play.google.com/store/apps/details?id=no.nordicsemi.android.dfu"
 
 @Composable
@@ -120,8 +122,15 @@ fun HomeScreen() {
                 Spacer(modifier = Modifier.height(16.dp))
 
                 val uriHandler = LocalUriHandler.current
-                FeatureButton(R.drawable.ic_dfu, R.string.dfu_module, R.string.dfu_module_full) {
-                    uriHandler.openUri(DFU_LINK)
+                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 intent = packageManger.getLaunchIntentForPackage(DFU_PACKAGE_NAME)
+                    if (intent != null) {
+                        context.startActivity(intent)
+                    } else {
+                        uriHandler.openUri(DFU_LINK)
+                    }
                 }
 
                 Spacer(modifier = Modifier.height(16.dp))

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

@@ -18,7 +18,8 @@
     <string name="uart_module">UART</string>
     <string name="uart_module_full">Serial port over BLE</string>
     <string name="dfu_module">DFU</string>
-    <string name="dfu_module_full">Available in separate application.</string>
+    <string name="dfu_module_full">Device Firmware Update</string>
+    <string name="dfu_module_info">Available in separate application.</string>
 
     <string name="viewmodel_profiles">ViewModel profiles</string>
     <string name="service_profiles">Service profiles</string>