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[Android CHIPTool] Wi-Fi vs Thread provisioning.
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Add distinct buttons to Android app to provision
Wi-Fi vs Thread network during CHIP device setup.
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@vidhis88
vidhis88 committed Dec 7, 2020
1 parent eba006a commit 0e933ca
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Showing 16 changed files with 351 additions and 394 deletions.
48 changes: 40 additions & 8 deletions src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/CHIPToolActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import com.google.chip.chiptool.clusterclient.OnOffClientFragment
import com.google.chip.chiptool.commissioner.CommissionerActivity
import com.google.chip.chiptool.echoclient.EchoClientFragment
import com.google.chip.chiptool.provisioning.DeviceProvisioningFragment
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
Expand All @@ -38,7 +39,9 @@ class CHIPToolActivity :
AppCompatActivity(),
BarcodeFragment.Callback,
SelectActionFragment.Callback,
CHIPDeviceDetailsFragment.Callback {
DeviceProvisioningFragment.Callback {

private var networkType: ProvisionNetworkType? = null

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
Expand All @@ -50,24 +53,47 @@ class CHIPToolActivity :
.beginTransaction()
.add(R.id.fragment_container, fragment, fragment.javaClass.simpleName)
.commit()
} else {
networkType =
ProvisionNetworkType.fromName(savedInstanceState.getString(ARG_PROVISION_NETWORK_TYPE))
}

if (intent?.action == NfcAdapter.ACTION_NDEF_DISCOVERED)
onNfcIntent(intent)
}

override fun onStartRendezvousOverBle(deviceInfo: CHIPDeviceInfo) {
showFragment(DeviceProvisioningFragment.newInstance(deviceInfo))
override fun onSaveInstanceState(outState: Bundle) {
outState.putString(ARG_PROVISION_NETWORK_TYPE, networkType?.name)

super.onSaveInstanceState(outState)
}

override fun onCHIPDeviceInfoReceived(deviceInfo: CHIPDeviceInfo) {
showFragment(CHIPDeviceDetailsFragment.newInstance(deviceInfo))
if (networkType == null) {
showFragment(CHIPDeviceDetailsFragment.newInstance(deviceInfo))
} else {
showFragment(DeviceProvisioningFragment.newInstance(deviceInfo, networkType!!), false)
}
}

override fun onPairingComplete() {
showFragment(OnOffClientFragment.newInstance(), false)
}

override fun handleScanQrCodeClicked() {
showFragment(BarcodeFragment.newInstance())
}

override fun onProvisionWifiCredentialsClicked() {
networkType = ProvisionNetworkType.WIFI
showFragment(BarcodeFragment.newInstance(), false)
}

override fun onProvisionThreadCredentialsClicked() {
networkType = ProvisionNetworkType.THREAD
showFragment(BarcodeFragment.newInstance(), false)
}

override fun handleCommissioningClicked() {
var intent = Intent(this, CommissionerActivity::class.java)
startActivityForResult(intent, REQUEST_CODE_COMMISSIONING)
Expand All @@ -94,12 +120,16 @@ class CHIPToolActivity :
}
}

private fun showFragment(fragment: Fragment) {
supportFragmentManager
private fun showFragment(fragment: Fragment, showOnBack: Boolean = true) {
val fragmentTransaction = supportFragmentManager
.beginTransaction()
.replace(R.id.fragment_container, fragment, fragment.javaClass.simpleName)
.addToBackStack(null)
.commit()

if (showOnBack) {
fragmentTransaction.addToBackStack(null)
}

fragmentTransaction.commit()
}

private fun onNfcIntent(intent: Intent?) {
Expand Down Expand Up @@ -128,6 +158,8 @@ class CHIPToolActivity :
}

companion object {
private const val ARG_PROVISION_NETWORK_TYPE = "provision_network_type"

var REQUEST_CODE_COMMISSIONING = 0xB003
}
}
12 changes: 11 additions & 1 deletion src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/SelectActionFragment.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,13 @@ class SelectActionFragment : Fragment() {
): View {
return inflater.inflate(R.layout.select_action_fragment, container, false).apply {
scanQrBtn.setOnClickListener { getCallback()?.handleScanQrCodeClicked() }
commissioningBtn.setOnClickListener { getCallback()?.handleCommissioningClicked() }
provisionWifiCredentialsBtn.setOnClickListener {
getCallback()?.onProvisionWifiCredentialsClicked()
}
provisionThreadCredentialsBtn.setOnClickListener {
getCallback()?.onProvisionThreadCredentialsClicked()
}
otCommissioningBtn.setOnClickListener { getCallback()?.handleCommissioningClicked() }
echoClientBtn.setOnClickListener { getCallback()?.handleEchoClientClicked() }
onOffClusterBtn.setOnClickListener { getCallback()?.handleOnOffClicked() }
attestationTestBtn.setOnClickListener { getCallback()?.handleAttestationTestClicked() }
Expand All @@ -48,6 +54,10 @@ class SelectActionFragment : Fragment() {
interface Callback {
/** Notifies listener of Scan QR code button click. */
fun handleScanQrCodeClicked()
/** Notifies listener of provision-Wifi-credentials button click. */
fun onProvisionWifiCredentialsClicked()
/** Notifies listener of provision-Thread-credentials button click. */
fun onProvisionThreadCredentialsClicked()
/** Notifies listener of Commissioning button click. */
fun handleCommissioningClicked()
/** Notifies listener of Echo client button click. */
Expand Down
42 changes: 27 additions & 15 deletions ...ool/app/src/main/java/com/google/chip/chiptool/provisioning/DeviceProvisioningFragment.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ import com.google.chip.chiptool.GenericChipDeviceListener
import com.google.chip.chiptool.R
import com.google.chip.chiptool.bluetooth.BluetoothManager
import com.google.chip.chiptool.setuppayloadscanner.CHIPDeviceInfo
import com.google.chip.chiptool.util.FragmentUtil
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.ExperimentalCoroutinesApi
Expand All @@ -45,6 +46,11 @@ class DeviceProvisioningFragment : Fragment() {

private var gatt: BluetoothGatt? = null

private val networkType: ProvisionNetworkType
get() = requireNotNull(
ProvisionNetworkType.fromName(arguments?.getString(ARG_PROVISION_NETWORK_TYPE))
)

private val scope = CoroutineScope(Dispatchers.Main + Job())

override fun onCreateView(
Expand Down Expand Up @@ -104,12 +110,6 @@ class DeviceProvisioningFragment : Fragment() {
}
}

private fun closeChildFragments() {
childFragmentManager.fragments.forEach {
f -> childFragmentManager.beginTransaction().remove(f).commit()
}
}

inner class ConnectionCallback : GenericChipDeviceListener() {
override fun onConnectDeviceComplete() {
Log.d(TAG, "onConnectDeviceComplete")
Expand All @@ -118,17 +118,16 @@ class DeviceProvisioningFragment : Fragment() {
override fun onStatusUpdate(status: Int) {
Log.i(TAG, "Pairing status update: $status");

when (status) {
STATUS_NETWORK_PROVISIONING_SUCCESS -> {
showMessage(R.string.rendezvous_over_ble_provisioning_success_text)
closeChildFragments()
}
if (status == STATUS_NETWORK_PROVISIONING_SUCCESS) {
showMessage(R.string.rendezvous_over_ble_provisioning_success_text)
FragmentUtil.getHost(this@DeviceProvisioningFragment, Callback::class.java)
?.onPairingComplete()
}
}

override fun onNetworkCredentialsRequested() {
childFragmentManager.beginTransaction()
.add(R.id.fragment_container, EnterNetworkFragment.newInstance())
.add(R.id.fragment_container, EnterNetworkFragment.newInstance(networkType))
.commit()
}

Expand All @@ -149,15 +148,28 @@ class DeviceProvisioningFragment : Fragment() {
}
}

/** Callback from [DeviceProvisioningFragment] notifying any registered listeners. */
interface Callback {
/** Notifies that pairing has been completed. */
fun onPairingComplete()
}

companion object {
private const val TAG = "DeviceProvisioningFragment"
private const val ARG_DEVICE_INFO = "device_info"
private const val ARG_PROVISION_NETWORK_TYPE = "provision_network_type"
private const val STATUS_NETWORK_PROVISIONING_SUCCESS = 2

fun newInstance(deviceInfo: CHIPDeviceInfo): DeviceProvisioningFragment {
fun newInstance(
deviceInfo: CHIPDeviceInfo,
networkType: ProvisionNetworkType
): DeviceProvisioningFragment {
return DeviceProvisioningFragment().apply {
arguments = Bundle(1).apply { putParcelable(ARG_DEVICE_INFO, deviceInfo) }
arguments = Bundle(2).apply {
putParcelable(ARG_DEVICE_INFO, deviceInfo)
putString(ARG_PROVISION_NETWORK_TYPE, networkType.name)
}
}
}
}
}
}
125 changes: 103 additions & 22 deletions .../CHIPTool/app/src/main/java/com/google/chip/chiptool/provisioning/EnterNetworkFragment.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,50 +15,131 @@
* limitations under the License.
*
*/

package com.google.chip.chiptool.provisioning

import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.fragment.app.Fragment
import com.google.android.material.tabs.TabLayout
import com.google.chip.chiptool.ChipClient
import com.google.chip.chiptool.R
import kotlinx.android.synthetic.main.enter_network_fragment.view.*
import kotlinx.android.synthetic.main.enter_thread_network_fragment.channelEd
import kotlinx.android.synthetic.main.enter_thread_network_fragment.masterKeyEd
import kotlinx.android.synthetic.main.enter_thread_network_fragment.panIdEd
import kotlinx.android.synthetic.main.enter_thread_network_fragment.xpanIdEd
import kotlinx.android.synthetic.main.enter_wifi_network_fragment.*
import kotlinx.android.synthetic.main.enter_wifi_network_fragment.view.*

/**
* Fragment to collect Wi-Fi network information from user and send it to device being provisioned.
*/
class EnterNetworkFragment : Fragment() {

private val networkType: ProvisionNetworkType
get() = requireNotNull(
ProvisionNetworkType.fromName(arguments?.getString(ARG_PROVISION_NETWORK_TYPE))
)

override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View {
return inflater.inflate(R.layout.enter_network_fragment, container, false).apply {
tabs.addOnTabSelectedListener(object : TabLayout.OnTabSelectedListener {
override fun onTabReselected(tab: TabLayout.Tab) = Unit
override fun onTabUnselected(tab: TabLayout.Tab) = Unit
override fun onTabSelected(tab: TabLayout.Tab) {
when (tab.text.toString()) {
TAB_CAPTION_WIFI -> selectPage(EnterWifiNetworkFragment.newInstance())
TAB_CAPTION_THREAD -> selectPage(EnterThreadNetworkFragment.newInstance())
}
}
})
): View? {
val layoutRes = when (networkType) {
ProvisionNetworkType.WIFI -> R.layout.enter_wifi_network_fragment
ProvisionNetworkType.THREAD -> R.layout.enter_thread_network_fragment
}

return inflater.inflate(layoutRes, container, false).apply {
saveNetworkBtn.setOnClickListener { onSaveNetworkClicked() }
}
}

selectPage(EnterWifiNetworkFragment.newInstance())
private fun onSaveNetworkClicked() {
if (networkType == ProvisionNetworkType.WIFI) {
saveWifiNetwork()
} else {
saveThreadNetwork()
}
}

private fun selectPage(fragment: Fragment) {
childFragmentManager.beginTransaction().replace(R.id.page, fragment).commit()
private fun saveWifiNetwork() {
val ssid = ssidEd.text
val pwd = pwdEd.text

if (ssid.isNullOrBlank() || pwd.isNullOrBlank()) {
Toast.makeText(requireContext(), "Ssid and password required.", Toast.LENGTH_SHORT).show()
return
}

ChipClient.getDeviceController().apply {
sendWiFiCredentials(ssid.toString(), pwd.toString())
}
}

private fun saveThreadNetwork() {
val channelStr = channelEd.text
val panIdStr = panIdEd.text

if (channelStr.isNullOrBlank()) {
Toast.makeText(requireContext(), "Channel is empty", Toast.LENGTH_SHORT).show()
return
}

if (panIdStr.isNullOrBlank()) {
Toast.makeText(requireContext(), "PAN ID is empty", Toast.LENGTH_SHORT).show()
return
}

if (xpanIdEd.text.isNullOrBlank()) {
Toast.makeText(requireContext(), "XPAN ID is empty", Toast.LENGTH_SHORT).show()
return
}

val xpanIdStr = xpanIdEd.text.toString().filterNot { c -> c == ':' }
if (xpanIdStr.length != NUM_XPANID_BYTES * 2) {
Toast.makeText(requireContext(), "Extended PAN ID is invalid", Toast.LENGTH_SHORT).show()
return
}

if (masterKeyEd.text.isNullOrBlank()) {
Toast.makeText(requireContext(), "Master Key is empty", Toast.LENGTH_SHORT).show()
return
}

val masterKeyStr = masterKeyEd.text.toString().filterNot { c -> c == ':' }
if (masterKeyStr.length != NUM_MASTER_KEY_BYTES * 2) {
Toast.makeText(requireContext(), "Master key is invalid", Toast.LENGTH_SHORT).show()
return
}

ChipClient.getDeviceController().sendThreadCredentials(
channelStr.toInt(),
panIdStr.toInt(16),
xpanIdStr.hexToByteArray(),
masterKeyStr.hexToByteArray())
}

private fun String.hexToByteArray(): ByteArray {
return chunked(2).map{ byteStr -> byteStr.toUByte(16).toByte()}.toByteArray()
}

companion object {
private const val TAB_CAPTION_WIFI = "Wi-Fi"
private const val TAB_CAPTION_THREAD = "Thread"
private const val TAG = "EnterNetworkFragment"
private const val ARG_PROVISION_NETWORK_TYPE = "provision_network_type"
private const val NUM_XPANID_BYTES = 8
private const val NUM_MASTER_KEY_BYTES = 16

fun newInstance() = EnterNetworkFragment()
fun newInstance(provisionNetworkType: ProvisionNetworkType): EnterNetworkFragment {
return EnterNetworkFragment().apply {
arguments = Bundle(1).apply {
putString(ARG_PROVISION_NETWORK_TYPE, provisionNetworkType.name)
}
}
}
}

}
}
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