Support discovery capabilities in setup payload (project-chip#8178)

src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/CHIPToolActivity.kt

@@ -36,7 +36,6 @@ import com.google.chip.chiptool.provisioning.ProvisionNetworkType
 import com.google.chip.chiptool.setuppayloadscanner.BarcodeFragment
 import com.google.chip.chiptool.setuppayloadscanner.CHIPDeviceDetailsFragment
 import com.google.chip.chiptool.setuppayloadscanner.CHIPDeviceInfo
-import com.google.chip.chiptool.setuppayloadscanner.QrCodeInfo
 import chip.devicecontroller.PreferencesKeyValueStoreManager
 import chip.setuppayload.SetupPayload
 import chip.setuppayload.SetupPayloadParser
@@ -160,14 +159,7 @@ class CHIPToolActivity :
       return
     }
 
-    val deviceInfo = CHIPDeviceInfo(
-        setupPayload.version,
-        setupPayload.vendorId,
-        setupPayload.productId,
-        setupPayload.discriminator,
-        setupPayload.setupPinCode,
-        setupPayload.optionalQRCodeInfo.mapValues { (_, info) -> QrCodeInfo(info.tag, info.type, info.data, info.int32) }
-    )
+    val deviceInfo = CHIPDeviceInfo.fromSetupPayload(setupPayload)
 
     val buttons = arrayOf(
         getString(R.string.nfc_tag_action_show),

src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/setuppayloadscanner/BarcodeFragment.kt

@@ -133,18 +133,8 @@ class BarcodeFragment : Fragment(), CHIPBarcodeProcessor.BarcodeDetectionListene
                 }
                 return@post
             }
-            val deviceInfo = CHIPDeviceInfo(
-                payload.version,
-                payload.vendorId,
-                payload.productId,
-                payload.discriminator,
-                payload.setupPinCode,
-                payload.optionalQRCodeInfo.mapValues { (_, info) ->
-                    QrCodeInfo(info.tag, info.type, info.data, info.int32)
-                }
-            )
             FragmentUtil.getHost(this, Callback::class.java)
-                ?.onCHIPDeviceInfoReceived(deviceInfo)
+                ?.onCHIPDeviceInfoReceived(CHIPDeviceInfo.fromSetupPayload(payload))
         }
     }
 

src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/setuppayloadscanner/CHIPDeviceDetailsFragment.kt

@@ -25,6 +25,7 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.fragment.app.Fragment
 import com.google.chip.chiptool.R
+import kotlinx.android.synthetic.main.chip_device_info_fragment.view.discoveryCapabilitiesTv
 import kotlinx.android.synthetic.main.chip_device_info_fragment.view.discriminatorTv
 import kotlinx.android.synthetic.main.chip_device_info_fragment.view.productIdTv
 import kotlinx.android.synthetic.main.chip_device_info_fragment.view.setupCodeTv
@@ -36,48 +37,52 @@ import kotlinx.android.synthetic.main.chip_device_info_fragment.view.versionTv
 /** Show the [CHIPDeviceInfo]. */
 class CHIPDeviceDetailsFragment : Fragment() {
 
-    private lateinit var deviceInfo: CHIPDeviceInfo
+  private lateinit var deviceInfo: CHIPDeviceInfo
 
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View {
-        deviceInfo = checkNotNull(requireArguments().getParcelable(ARG_DEVICE_INFO))
+  override fun onCreateView(
+    inflater: LayoutInflater,
+    container: ViewGroup?,
+    savedInstanceState: Bundle?
+  ): View {
+    deviceInfo = checkNotNull(requireArguments().getParcelable(ARG_DEVICE_INFO))
 
-        return inflater.inflate(R.layout.chip_device_info_fragment, container, false).apply {
+    return inflater.inflate(R.layout.chip_device_info_fragment, container, false).apply {
 
-            // Display CHIP setup code info to user for manual connect to soft AP
-            versionTv.text = "${deviceInfo.version}"
-            vendorIdTv.text = "${deviceInfo.vendorId}"
-            productIdTv.text = "${deviceInfo.productId}"
-            setupCodeTv.text = "${deviceInfo.setupPinCode}"
-            discriminatorTv.text = "${deviceInfo.discriminator}"
+      versionTv.text = "${deviceInfo.version}"
+      vendorIdTv.text = "${deviceInfo.vendorId}"
+      productIdTv.text = "${deviceInfo.productId}"
+      setupCodeTv.text = "${deviceInfo.setupPinCode}"
+      discriminatorTv.text = "${deviceInfo.discriminator}"
+      discoveryCapabilitiesTv.text = requireContext().getString(
+        R.string.chip_device_info_discovery_capabilities_text,
+        deviceInfo.discoveryCapabilities
+      )
 
-            if (deviceInfo.optionalQrCodeInfoMap.isEmpty()) {
-                vendorTagsLabelTv.visibility = View.GONE
-                vendorTagsContainer.visibility = View.GONE
-            } else {
-                vendorTagsLabelTv.visibility = View.VISIBLE
-                vendorTagsContainer.visibility = View.VISIBLE
+      if (deviceInfo.optionalQrCodeInfoMap.isEmpty()) {
+        vendorTagsLabelTv.visibility = View.GONE
+        vendorTagsContainer.visibility = View.GONE
+      } else {
+        vendorTagsLabelTv.visibility = View.VISIBLE
+        vendorTagsContainer.visibility = View.VISIBLE
 
-                deviceInfo.optionalQrCodeInfoMap.forEach { (_, qrCodeInfo) ->
-                    val tv = inflater.inflate(R.layout.barcode_vendor_tag, null, false) as TextView
-                    val info = "${qrCodeInfo.tag}. ${qrCodeInfo.data}, ${qrCodeInfo.intDataValue}"
-                    tv.text = info
-                    vendorTagsContainer.addView(tv)
-                }
-            }
+        deviceInfo.optionalQrCodeInfoMap.forEach { (_, qrCodeInfo) ->
+          val tv = inflater.inflate(R.layout.barcode_vendor_tag, null, false) as TextView
+          val info = "${qrCodeInfo.tag}. ${qrCodeInfo.data}, ${qrCodeInfo.intDataValue}"
+          tv.text = info
+          vendorTagsContainer.addView(tv)
         }
+      }
     }
+  }
 
-    companion object {
-        private const val ARG_DEVICE_INFO = "device_info"
+  companion object {
+    private const val ARG_DEVICE_INFO = "device_info"
 
-        @JvmStatic fun newInstance(deviceInfo: CHIPDeviceInfo): CHIPDeviceDetailsFragment {
-            return CHIPDeviceDetailsFragment().apply {
-                arguments = Bundle(1).apply { putParcelable(ARG_DEVICE_INFO, deviceInfo) }
-            }
-        }
+    @JvmStatic
+    fun newInstance(deviceInfo: CHIPDeviceInfo): CHIPDeviceDetailsFragment {
+      return CHIPDeviceDetailsFragment().apply {
+        arguments = Bundle(1).apply { putParcelable(ARG_DEVICE_INFO, deviceInfo) }
+      }
     }
+  }
 }

src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/setuppayloadscanner/CHIPDeviceInfo.kt

@@ -19,14 +19,40 @@
 package com.google.chip.chiptool.setuppayloadscanner
 
 import android.os.Parcelable
+import chip.setuppayload.DiscoveryCapability
+import chip.setuppayload.SetupPayload
 import kotlinx.android.parcel.Parcelize
 
 /** Class to hold the CHIP device information. */
-@Parcelize data class CHIPDeviceInfo(
-    val version: Int,
-    val vendorId: Int,
-    val productId: Int,
-    val discriminator: Int,
-    val setupPinCode: Long,
-    val optionalQrCodeInfoMap: Map<Int, QrCodeInfo>
-) : Parcelable
+@Parcelize
+data class CHIPDeviceInfo(
+  val version: Int,
+  val vendorId: Int,
+  val productId: Int,
+  val discriminator: Int,
+  val setupPinCode: Long,
+  val optionalQrCodeInfoMap: Map<Int, QrCodeInfo>,
+  val discoveryCapabilities: Set<DiscoveryCapability>
+) : Parcelable {
+
+  companion object {
+    fun fromSetupPayload(setupPayload: SetupPayload): CHIPDeviceInfo {
+      return CHIPDeviceInfo(
+        setupPayload.version,
+        setupPayload.vendorId,
+        setupPayload.productId,
+        setupPayload.discriminator,
+        setupPayload.setupPinCode,
+        setupPayload.optionalQRCodeInfo.mapValues { (_, info) ->
+          QrCodeInfo(
+            info.tag,
+            info.type,
+            info.data,
+            info.int32
+          )
+        },
+        setupPayload.discoveryCapabilities
+      )
+    }
+  }
+}

src/android/CHIPTool/app/src/main/res/layout/chip_device_info_fragment.xml

@@ -17,22 +17,13 @@
             android:layout_alignParentTop="true"
             android:textSize="20sp"/>
 
-        <TextView
-            android:id="@+id/subtitleTv"
-            android:text="@string/chip_device_info_subtitle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="8dp"
-            android:layout_below="@id/titleTv"
-            android:textSize="20sp"/>
-
         <TextView
             android:id="@+id/versionLabelTv"
             android:text="@string/chip_device_info_version_label"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginBottom="8dp"
-            android:layout_below="@id/subtitleTv"
+            android:layout_below="@id/titleTv"
             android:layout_alignParentStart="true"
             android:textSize="20sp"/>
         <TextView
@@ -41,7 +32,7 @@
             android:layout_height="wrap_content"
             android:layout_marginStart="16dp"
             android:layout_marginBottom="8dp"
-            android:layout_below="@id/subtitleTv"
+            android:layout_below="@id/titleTv"
             android:layout_toEndOf="@id/versionLabelTv"
             android:layout_alignParentEnd="true"
             android:textSize="20sp"/>
@@ -142,5 +133,14 @@
             android:orientation="vertical"
             android:layout_marginBottom="8dp"
             android:layout_below="@id/vendorTagsLabelTv"/>
+
+        <TextView
+            android:id="@+id/discoveryCapabilitiesTv"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="8dp"
+            android:layout_below="@id/vendorTagsContainer"
+            android:layout_alignParentStart="true"
+            android:textSize="20sp"/>
     </RelativeLayout>
 </ScrollView>

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

@@ -5,13 +5,13 @@
     <string name="location_permission_denied_title">Location permission required</string>
     <string name="location_permission_denied_message">Since location permission was denied, some functions of the app may be unavailable. </string>
     <string name="chip_device_info_title">CHIP Device Info:</string>
-    <string name="chip_device_info_subtitle">Please manually connect to this device\'s soft AP using the information below.</string>
     <string name="chip_device_info_version_label">Version:</string>
     <string name="chip_device_info_vendor_id_label">Vendor ID:</string>
     <string name="chip_device_info_product_id_label">Product ID:</string>
     <string name="chip_device_info_discriminator_label">Discriminator:</string>
     <string name="chip_device_info_setup_code_label">Setup PIN Code:</string>
     <string name="chip_device_info_optional_vendor_tags_label">Optional Vendor tags:</string>
+    <string name="chip_device_info_discovery_capabilities_text">Discovery capabilities: %1s</string>
     <string name="camera_permission_missing_alert_title">Camera permission missing</string>
     <string name="camera_permission_missing_alert_subtitle">Camera permission required to be able to scan the QR code.</string>
     <string name="camera_permission_missing_alert_try_again">Try again</string>

src/setup_payload/java/BUILD.gn

@@ -40,6 +40,7 @@ android_library("java") {
   ]
 
   sources = [
+    "src/chip/setuppayload/DiscoveryCapability.java",
     "src/chip/setuppayload/OptionalQRCodeInfo.java",
     "src/chip/setuppayload/SetupPayload.java",
     "src/chip/setuppayload/SetupPayloadParser.java",

src/setup_payload/java/SetupPayloadParser-JNI.cpp

@@ -24,6 +24,7 @@ using namespace chip;
 #define JNI_METHOD(RETURN, METHOD_NAME) extern "C" JNIEXPORT RETURN JNICALL Java_chip_setuppayload_SetupPayloadParser_##METHOD_NAME
 
 static jobject TransformSetupPayload(JNIEnv * env, SetupPayload & payload);
+static jobject CreateCapabilitiesHashSet(JNIEnv * env, RendezvousInformationFlags flags);
 static CHIP_ERROR ThrowUnrecognizedQRCodeException(JNIEnv * env, jstring qrCodeObj);
 static CHIP_ERROR ThrowInvalidEntryCodeFormatException(JNIEnv * env, jstring entryCodeObj);
 
@@ -88,12 +89,13 @@ jobject TransformSetupPayload(JNIEnv * env, SetupPayload & payload)
     jmethodID setupConstr    = env->GetMethodID(setupPayloadClass, "<init>", "()V");
     jobject setupPayload     = env->NewObject(setupPayloadClass, setupConstr);
 
-    jfieldID version           = env->GetFieldID(setupPayloadClass, "version", "I");
-    jfieldID vendorId          = env->GetFieldID(setupPayloadClass, "vendorId", "I");
-    jfieldID productId         = env->GetFieldID(setupPayloadClass, "productId", "I");
-    jfieldID commissioningFlow = env->GetFieldID(setupPayloadClass, "commissioningFlow", "I");
-    jfieldID discriminator     = env->GetFieldID(setupPayloadClass, "discriminator", "I");
-    jfieldID setUpPinCode      = env->GetFieldID(setupPayloadClass, "setupPinCode", "J");
+    jfieldID version               = env->GetFieldID(setupPayloadClass, "version", "I");
+    jfieldID vendorId              = env->GetFieldID(setupPayloadClass, "vendorId", "I");
+    jfieldID productId             = env->GetFieldID(setupPayloadClass, "productId", "I");
+    jfieldID commissioningFlow     = env->GetFieldID(setupPayloadClass, "commissioningFlow", "I");
+    jfieldID discriminator         = env->GetFieldID(setupPayloadClass, "discriminator", "I");
+    jfieldID setUpPinCode          = env->GetFieldID(setupPayloadClass, "setupPinCode", "J");
+    jfieldID discoveryCapabilities = env->GetFieldID(setupPayloadClass, "discoveryCapabilities", "Ljava/util/Set;");
 
     env->SetIntField(setupPayload, version, payload.version);
     env->SetIntField(setupPayload, vendorId, payload.vendorID);
@@ -102,6 +104,8 @@ jobject TransformSetupPayload(JNIEnv * env, SetupPayload & payload)
     env->SetIntField(setupPayload, discriminator, payload.discriminator);
     env->SetLongField(setupPayload, setUpPinCode, payload.setUpPINCode);
 
+    env->SetObjectField(setupPayload, discoveryCapabilities, CreateCapabilitiesHashSet(env, payload.rendezvousInformation));
+
     jmethodID addOptionalInfoMid =
         env->GetMethodID(setupPayloadClass, "addOptionalQRCodeInfo", "(Lchip/setuppayload/OptionalQRCodeInfo;)V");
 
@@ -163,6 +167,37 @@ jobject TransformSetupPayload(JNIEnv * env, SetupPayload & payload)
     return setupPayload;
 }
 
+jobject CreateCapabilitiesHashSet(JNIEnv * env, RendezvousInformationFlags flags)
+{
+    jclass hashSetClass          = env->FindClass("java/util/HashSet");
+    jmethodID hashSetConstructor = env->GetMethodID(hashSetClass, "<init>", "()V");
+    jobject capabilitiesHashSet  = env->NewObject(hashSetClass, hashSetConstructor);
+
+    jmethodID hashSetAddMethod = env->GetMethodID(hashSetClass, "add", "(Ljava/lang/Object;)Z");
+    jclass capabilityEnum      = env->FindClass("chip/setuppayload/DiscoveryCapability");
+
+    if (flags.Has(chip::RendezvousInformationFlag::kBLE))
+    {
+        jfieldID bleCapability = env->GetStaticFieldID(capabilityEnum, "BLE", "Lchip/setuppayload/DiscoveryCapability;");
+        jobject enumObj        = env->GetStaticObjectField(capabilityEnum, bleCapability);
+        env->CallBooleanMethod(capabilitiesHashSet, hashSetAddMethod, enumObj);
+    }
+    if (flags.Has(chip::RendezvousInformationFlag::kSoftAP))
+    {
+        jfieldID softApCapability = env->GetStaticFieldID(capabilityEnum, "SOFT_AP", "Lchip/setuppayload/DiscoveryCapability;");
+        jobject enumObj           = env->GetStaticObjectField(capabilityEnum, softApCapability);
+        env->CallBooleanMethod(capabilitiesHashSet, hashSetAddMethod, enumObj);
+    }
+    if (flags.Has(chip::RendezvousInformationFlag::kOnNetwork))
+    {
+        jfieldID onNetworkCapability =
+            env->GetStaticFieldID(capabilityEnum, "ON_NETWORK", "Lchip/setuppayload/DiscoveryCapability;");
+        jobject enumObj = env->GetStaticObjectField(capabilityEnum, onNetworkCapability);
+        env->CallBooleanMethod(capabilitiesHashSet, hashSetAddMethod, enumObj);
+    }
+    return capabilitiesHashSet;
+}
+
 CHIP_ERROR ThrowUnrecognizedQRCodeException(JNIEnv * env, jstring qrCodeObj)
 {
     jclass exceptionCls            = nullptr;

src/setup_payload/java/src/chip/setuppayload/DiscoveryCapability.java

@@ -0,0 +1,8 @@
+package chip.setuppayload;
+
+/** Enum values for possible bits in the onboarding paylod's discovery capabilities bitmask. */
+public enum DiscoveryCapability {
+  SOFT_AP,
+  BLE,
+  ON_NETWORK
+}

src/setup_payload/java/src/chip/setuppayload/SetupPayload.java

@@ -2,6 +2,7 @@
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 
 /** Class to hold the data from the scanned QR code or manual entry code. */
 public class SetupPayload {
@@ -14,7 +15,7 @@ public class SetupPayload {
   /** Commissioning flow: 0 = standard, 1 = requires user action, 2 = custom */
   public int commissioningFlow;
   /** The CHIP device supported rendezvous flags */
-  public int rendezvousInformation;
+  public Set<DiscoveryCapability> discoveryCapabilities;
   /** The CHIP device discriminator */
   public int discriminator;
   /** The CHIP device manual setup code */
@@ -31,14 +32,14 @@ public SetupPayload(
       int vendorId,
       int productId,
       int commissioningFlow,
-      int rendezvousInfo,
+      Set<DiscoveryCapability> discoveryCapabilities,
       int discriminator,
       long setupPinCode) {
     this.version = version;
     this.vendorId = vendorId;
     this.productId = productId;
     this.commissioningFlow = commissioningFlow;
-    this.rendezvousInformation = rendezvousInfo;
+    this.discoveryCapabilities = discoveryCapabilities;
     this.discriminator = discriminator;
     this.setupPinCode = setupPinCode;
     this.optionalQRCodeInfo = new HashMap<Integer, OptionalQRCodeInfo>();