[Android] Implement qr code generator (#33381)

* Implement QR Code Parser

* Fix QR Code scan, static code

* Kotlin codestyle

* restore soft_ap feature

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

@@ -122,7 +122,7 @@ class CHIPToolActivity :
     startActivity(redirectIntent)
   }
 
-  override fun SetNetworkType(type: ProvisionNetworkType) {
+  override fun setNetworkType(type: ProvisionNetworkType?) {
     networkType = type
   }
 

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

@@ -154,7 +154,7 @@ class SelectActionFragment : Fragment() {
     /** Notifies listener of a click to manually input the CHIP device address. */
     fun onShowDeviceAddressInput()
 
-    fun SetNetworkType(type: ProvisionNetworkType)
+    fun setNetworkType(type: ProvisionNetworkType?)
   }
 
   private fun showFragment(fragment: Fragment, showOnBack: Boolean = true) {
@@ -172,6 +172,7 @@ class SelectActionFragment : Fragment() {
 
   /** Notifies listener of Scan QR code button click. */
   private fun handleScanQrCodeClicked() {
+    getCallback()?.setNetworkType(null)
     showFragment(BarcodeFragment.newInstance())
   }
 
@@ -226,13 +227,13 @@ class SelectActionFragment : Fragment() {
 
   /** Notifies listener of provision-WiFi-credentials button click. */
   private fun handleProvisionWiFiCredentialsClicked() {
-    getCallback()?.SetNetworkType(ProvisionNetworkType.WIFI)
+    getCallback()?.setNetworkType(ProvisionNetworkType.WIFI)
     showFragment(BarcodeFragment.newInstance())
   }
 
   /** Notifies listener of provision-Thread-credentials button click. */
   private fun handleProvisionThreadCredentialsClicked() {
-    getCallback()?.SetNetworkType(ProvisionNetworkType.THREAD)
+    getCallback()?.setNetworkType(ProvisionNetworkType.THREAD)
     showFragment(BarcodeFragment.newInstance())
   }
 

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

@@ -18,7 +18,12 @@
 
 package com.google.chip.chiptool.setuppayloadscanner
 
+import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -27,6 +32,10 @@ import androidx.fragment.app.Fragment
 import com.google.chip.chiptool.R
 import com.google.chip.chiptool.databinding.ChipDeviceInfoFragmentBinding
 import com.google.chip.chiptool.util.FragmentUtil
+import java.net.URLEncoder
+import matter.onboardingpayload.OnboardingPayload
+import matter.onboardingpayload.OnboardingPayloadException
+import matter.onboardingpayload.QRCodeOnboardingPayloadGenerator
 
 /** Show the [CHIPDeviceInfo]. */
 class CHIPDeviceDetailsFragment : Fragment() {
@@ -35,6 +44,8 @@ class CHIPDeviceDetailsFragment : Fragment() {
   private val binding
     get() = _binding!!
 
+  private lateinit var onBoardingPayload: OnboardingPayload
+
   override fun onCreateView(
     inflater: LayoutInflater,
     container: ViewGroup?,
@@ -43,17 +54,13 @@ class CHIPDeviceDetailsFragment : Fragment() {
     _binding = ChipDeviceInfoFragmentBinding.inflate(inflater, container, false)
     deviceInfo = checkNotNull(requireArguments().getParcelable(ARG_DEVICE_INFO))
 
-    binding.versionTv.text = "${deviceInfo.version}"
-    binding.vendorIdTv.text = "${deviceInfo.vendorId}"
-    binding.productIdTv.text = "${deviceInfo.productId}"
-    binding.setupCodeTv.text = "${deviceInfo.setupPinCode}"
-    binding.discriminatorTv.text = "${deviceInfo.discriminator}"
-    binding.discoveryCapabilitiesTv.text =
-      requireContext()
-        .getString(
-          R.string.chip_device_info_discovery_capabilities_text,
-          deviceInfo.discoveryCapabilities
-        )
+    binding.versionEd.setText(deviceInfo.version.toString())
+    binding.vendorIdEd.setText(deviceInfo.vendorId.toString())
+    binding.productIdEd.setText(deviceInfo.productId.toString())
+    binding.setupCodeEd.setText(deviceInfo.setupPinCode.toString())
+    binding.discriminatorEd.setText(deviceInfo.discriminator.toString())
+    binding.serialNumberEd.setText(deviceInfo.serialNumber)
+    binding.discoveryCapabilitiesTv.text = "${deviceInfo.discoveryCapabilities}"
 
     if (deviceInfo.optionalQrCodeInfoMap.isEmpty()) {
       binding.vendorTagsLabelTv.visibility = View.GONE
@@ -70,7 +77,7 @@ class CHIPDeviceDetailsFragment : Fragment() {
       }
     }
 
-    binding.commissioningFlowTv.text = "${deviceInfo.commissioningFlow}"
+    binding.commissioningFlowEd.setText(deviceInfo.commissioningFlow.toString())
 
     // commissioningFlow = 2 (Custom), read device info from Ledger
     if (deviceInfo.commissioningFlow == 2) {
@@ -81,9 +88,74 @@ class CHIPDeviceDetailsFragment : Fragment() {
       }
     }
 
+    onBoardingPayload = deviceInfo.toSetupPayload()
+    binding.qrCodeTv.text =
+      QRCodeOnboardingPayloadGenerator(onBoardingPayload)
+        .payloadBase38RepresentationWithAutoTLVBuffer()
+
+    setDiscoveryCapabilitiesEditTextListener()
+    setQRCodeButtonListener()
+
     return binding.root
   }
 
+  private fun setDiscoveryCapabilitiesEditTextListener() {
+    binding.discoveryCapabilitiesEd.setText(onBoardingPayload.getRendezvousInformation().toString())
+    binding.discoveryCapabilitiesEd.addTextChangedListener(
+      object : TextWatcher {
+        override fun onTextChanged(value: CharSequence?, p1: Int, p2: Int, p3: Int) {
+          if (value.isNullOrEmpty()) {
+            return
+          }
+          onBoardingPayload.setRendezvousInformation(value.toString().toLong())
+          binding.discoveryCapabilitiesTv.text = "${onBoardingPayload.discoveryCapabilities}"
+        }
+
+        override fun afterTextChanged(p0: Editable?) {
+          // no_op
+        }
+
+        override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {
+          // no_op
+        }
+      }
+    )
+  }
+
+  private fun setQRCodeButtonListener() {
+    binding.showQRCodeBtn.setOnClickListener {
+      onBoardingPayload.apply {
+        version = binding.versionEd.text.toString().toInt()
+        vendorId = binding.vendorIdEd.text.toString().toInt()
+        productId = binding.productIdEd.text.toString().toInt()
+        commissioningFlow = binding.commissioningFlowEd.text.toString().toInt()
+        setupPinCode = binding.setupCodeEd.text.toString().toLong()
+        discriminator = binding.discriminatorEd.text.toString().toInt()
+        val serialNumber = binding.serialNumberEd.text.toString()
+        try {
+          removeSerialNumber()
+        } catch (e: OnboardingPayloadException) {
+          Log.d(TAG, "Serial Number not set!", e)
+        }
+        if (serialNumber.isNotEmpty()) {
+          addSerialNumber(binding.serialNumberEd.text.toString())
+        }
+      }
+      val qrCode =
+        QRCodeOnboardingPayloadGenerator(onBoardingPayload)
+          .payloadBase38RepresentationWithAutoTLVBuffer()
+      Log.d(TAG, "QR Code : $qrCode")
+      binding.qrCodeTv.text = qrCode
+    }
+
+    binding.showQRCodeUriBtn.setOnClickListener {
+      val qrCodeEncode = URLEncoder.encode(binding.qrCodeTv.text.toString(), "UTF-8")
+      val qrCodeUri = getString(R.string.chip_device_info_qrcode_uri, qrCodeEncode)
+      val intent = Intent(Intent.ACTION_VIEW, Uri.parse(qrCodeUri))
+      startActivity(intent)
+    }
+  }
+
   override fun onDestroyView() {
     super.onDestroyView()
     _binding = null
@@ -96,6 +168,7 @@ class CHIPDeviceDetailsFragment : Fragment() {
   }
 
   companion object {
+    private const val TAG = "CHIPDeviceDetailsFragment"
     private const val ARG_DEVICE_INFO = "device_info"
 
     @JvmStatic

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

@@ -19,9 +19,11 @@
 package com.google.chip.chiptool.setuppayloadscanner
 
 import android.os.Parcelable
+import android.util.Log
 import kotlinx.parcelize.Parcelize
 import matter.onboardingpayload.DiscoveryCapability
 import matter.onboardingpayload.OnboardingPayload
+import matter.onboardingpayload.OnboardingPayloadException
 
 /** Class to hold the CHIP device information. */
 @Parcelize
@@ -35,12 +37,40 @@ data class CHIPDeviceInfo(
   val optionalQrCodeInfoMap: Map<Int, QrCodeInfo> = mapOf(),
   val discoveryCapabilities: MutableSet<DiscoveryCapability> = mutableSetOf(),
   val isShortDiscriminator: Boolean = false,
+  val serialNumber: String = "",
   val ipAddress: String? = null,
   val port: Int = 5540
 ) : Parcelable {
 
+  fun toSetupPayload(): OnboardingPayload {
+    val onboardingPayload =
+      OnboardingPayload(
+        version,
+        vendorId,
+        productId,
+        commissioningFlow,
+        discoveryCapabilities,
+        discriminator,
+        isShortDiscriminator,
+        setupPinCode
+      )
+    if (serialNumber.isNotEmpty()) {
+      onboardingPayload.addSerialNumber(serialNumber)
+    }
+    return onboardingPayload
+  }
+
   companion object {
+    private const val TAG = "CHIPDeviceInfo"
+
     fun fromSetupPayload(setupPayload: OnboardingPayload): CHIPDeviceInfo {
+      val serialNumber =
+        try {
+          setupPayload.getSerialNumber()
+        } catch (e: OnboardingPayloadException) {
+          Log.d(TAG, "serialNumber Exception", e)
+          ""
+        }
       return CHIPDeviceInfo(
         setupPayload.version,
         setupPayload.vendorId,
@@ -52,7 +82,8 @@ data class CHIPDeviceInfo(
           QrCodeInfo(info.tag, info.type, info.data, info.int32)
         },
         setupPayload.discoveryCapabilities,
-        setupPayload.hasShortDiscriminator
+        setupPayload.hasShortDiscriminator,
+        serialNumber
       )
     }
   }