combov2: Ask for Bluetooth permissions before pairing
This commit is contained in:
Carlos Rafael Giani
parent
d280a2bec5
commit
a0e65370dc
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@ -1,11 +1,17 @@
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package info.nightscout.pump.combov2.activities
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import android.Manifest
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import android.app.Activity
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import android.content.pm.PackageManager
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import android.os.Build
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import android.os.Bundle
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import android.text.Editable
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import android.text.TextWatcher
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import android.view.View
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import androidx.activity.ComponentActivity
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import androidx.activity.result.ActivityResultLauncher
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.core.content.ContextCompat
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import androidx.databinding.DataBindingUtil
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import androidx.lifecycle.Lifecycle
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import androidx.lifecycle.lifecycleScope
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@ -20,42 +26,65 @@ import info.nightscout.pump.combov2.databinding.Combov2PairingActivityBinding
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import info.nightscout.rx.logging.AAPSLogger
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import info.nightscout.rx.logging.LTag
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import info.nightscout.shared.interfaces.ResourceHelper
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import kotlinx.coroutines.CompletableJob
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.flow.launchIn
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import kotlinx.coroutines.flow.onEach
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.runBlocking
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import javax.inject.Inject
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// A counterpart to BlePreCheckImpl that is designed for coroutines.
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private class BluetoothPermissionChecks(
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private val activity: ComponentActivity,
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private val permissions: List<String>,
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private val aapsLogger: AAPSLogger
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) {
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private val activityResultLauncher: ActivityResultLauncher<Array<String>>
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private var waitForCompletion: CompletableJob? = null
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init {
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activityResultLauncher = activity.registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) {
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waitForCompletion?.complete()
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}
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}
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suspend fun requestAndCheck() {
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val missingPermissions = permissions
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.filter {
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ContextCompat.checkSelfPermission(activity, it) != PackageManager.PERMISSION_GRANTED
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}
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.toTypedArray()
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if (missingPermissions.isEmpty())
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return
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aapsLogger.debug(LTag.PUMP, "Missing permissions: " + missingPermissions.joinToString(", "))
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waitForCompletion = Job()
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activityResultLauncher.launch(missingPermissions)
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waitForCompletion?.join()
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waitForCompletion = null
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}
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fun unregister() {
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activityResultLauncher.unregister()
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}
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}
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class ComboV2PairingActivity : DaggerAppCompatActivity() {
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@Inject lateinit var aapsLogger: AAPSLogger
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@Inject lateinit var rh: ResourceHelper
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@Inject lateinit var combov2Plugin: ComboV2Plugin
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private var uiInitialized = false
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private var unregisterActivityLauncher = {}
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private var bluetoothPermissionChecks: BluetoothPermissionChecks? = null
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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val binding: Combov2PairingActivityBinding = DataBindingUtil.setContentView(
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this, R.layout.combov2_pairing_activity)
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// In the NotInitialized state, the PumpManager is unavailable because it cannot
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// function without Bluetooth permissions. Several of ComboV2Plugin's functions
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// such as getPairingProgressFlow() depend on PumpManager though. To prevent UI
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// controls from becoming active without having a PumpManager, show instead a
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// view on the activity that explains why pairing is currently not possible.
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if (combov2Plugin.driverStateUIFlow.value == ComboV2Plugin.DriverState.NotInitialized) {
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aapsLogger.info(LTag.PUMP, "Cannot pair right now; disabling pairing UI controls, showing message instead")
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binding.combov2PairingSectionInitial.visibility = View.GONE
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binding.combov2PairingSectionCannotPairDriverNotInitialized.visibility = View.VISIBLE
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binding.combov2CannotPairGoBack.setOnClickListener {
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finish()
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}
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return
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}
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// Install an activity result caller for when the user presses
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// "deny" or "reject" in the dialog that pops up when Android
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// asks for permission to enable device discovery. In such a
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@ -74,7 +103,131 @@ class ComboV2PairingActivity : DaggerAppCompatActivity() {
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combov2Plugin.customDiscoveryActivityStartCallback = { intent ->
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startPairingActivityLauncher.launch(intent)
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}
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unregisterActivityLauncher = {
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startPairingActivityLauncher.unregister()
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}
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val binding: Combov2PairingActivityBinding = DataBindingUtil.setContentView(
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this, R.layout.combov2_pairing_activity)
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val thisActivity = this
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// Set the pairing sections to initially show the "not initialized" one
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// in case the Bluetooth permissions haven't been granted yet by the user.
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binding.combov2PairingSectionInitial.visibility = View.GONE
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binding.combov2PairingSectionCannotPairDriverNotInitialized.visibility = View.VISIBLE
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
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// Launch the BluetoothPermissionChecks in the CREATED lifecycle state.
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// This is important, because registering an activity (which the
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// BluetoothPermissionChecks class does) must take place _before_ the
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// STARTED state is reached.
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lifecycleScope.launch {
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lifecycle.repeatOnLifecycle(Lifecycle.State.CREATED) {
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aapsLogger.debug(LTag.PUMP, "Creating and registering BT permissions check object")
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bluetoothPermissionChecks = BluetoothPermissionChecks(
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thisActivity,
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listOf(
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Manifest.permission.BLUETOOTH_SCAN,
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Manifest.permission.BLUETOOTH_CONNECT
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),
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aapsLogger
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)
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}
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}
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// Unregister any activity that BluetoothPermissionChecks previously
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// registered if this pairing activity is getting destroyed.
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lifecycleScope.launch {
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lifecycle.repeatOnLifecycle(Lifecycle.State.DESTROYED) {
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aapsLogger.debug(LTag.PUMP, "Unregistering BT permissions check object")
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bluetoothPermissionChecks?.unregister()
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bluetoothPermissionChecks = null
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}
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}
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}
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lifecycleScope.launch {
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lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) {
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bluetoothPermissionChecks?.let {
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aapsLogger.debug(LTag.PUMP, "Requesting and checking BT permissions")
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it.requestAndCheck()
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}
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combov2Plugin.driverStateUIFlow
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.onEach { driverState ->
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if (!uiInitialized) {
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when (driverState) {
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// In the NotInitialized state, the PumpManager is unavailable because it cannot
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// function without Bluetooth permissions. Several of ComboV2Plugin's functions
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// such as getPairingProgressFlow() depend on PumpManager though. To prevent UI
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// controls from becoming active without having a PumpManager, show instead a
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// view on the activity that explains why pairing is currently not possible.
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ComboV2Plugin.DriverState.NotInitialized -> {
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aapsLogger.info(LTag.PUMP, "Cannot pair right now; disabling pairing UI controls, showing message instead")
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binding.combov2PairingSectionInitial.visibility = View.GONE
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binding.combov2PairingSectionCannotPairDriverNotInitialized.visibility = View.VISIBLE
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binding.combov2CannotPairGoBack.setOnClickListener {
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finish()
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}
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}
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else -> {
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binding.combov2PairingSectionCannotPairDriverNotInitialized.visibility = View.GONE
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setupUi(binding)
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uiInitialized = true
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}
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}
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}
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}
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.launchIn(this)
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}
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}
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}
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override fun onBackPressed() {
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aapsLogger.info(LTag.PUMP, "User pressed the back button; cancelling any ongoing pairing")
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combov2Plugin.cancelPairing()
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@Suppress("DEPRECATION")
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super.onBackPressed()
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}
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override fun onDestroy() {
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// In the NotInitialized state, getPairingProgressFlow() crashes because there
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// is no PumpManager present. But in that state, the pairing progress flow needs
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// no reset because no pairing can happen in that state anyway.
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if (combov2Plugin.driverStateUIFlow.value != ComboV2Plugin.DriverState.NotInitialized) {
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// Reset the pairing progress reported to allow for future pairing attempts.
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// Do this only after pairing was finished or aborted. onDestroy() can be
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// called in the middle of a pairing process, and we do not want to reset
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// the progress reporter mid-pairing.
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when (combov2Plugin.getPairingProgressFlow().value.stage) {
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BasicProgressStage.Finished,
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is BasicProgressStage.Aborted -> {
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aapsLogger.debug(
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LTag.PUMP,
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"Resetting pairing progress reporter after pairing was finished/aborted"
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)
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combov2Plugin.resetPairingProgress()
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}
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else -> Unit
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}
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}
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// Remove the activity start callback and unregister the activity
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// launcher to make sure that future registerForActivityResult()
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// calls start from a blank slate. (This is about the discovery
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// activity, not about the BluetoothPermissionChecks ones.)
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combov2Plugin.customDiscoveryActivityStartCallback = null
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unregisterActivityLauncher.invoke()
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unregisterActivityLauncher = {}
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super.onDestroy()
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}
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private fun setupUi(binding: Combov2PairingActivityBinding) {
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binding.combov2PairingFinishedOk.setOnClickListener {
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finish()
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}
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@ -197,112 +350,75 @@ class ComboV2PairingActivity : DaggerAppCompatActivity() {
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})
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}
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lifecycleScope.launch {
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lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) {
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combov2Plugin.getPairingProgressFlow()
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.onEach { progressReport ->
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val stage = progressReport.stage
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combov2Plugin.getPairingProgressFlow()
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.onEach { progressReport ->
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val stage = progressReport.stage
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binding.combov2PairingSectionInitial.visibility =
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if (stage == BasicProgressStage.Idle) View.VISIBLE else View.GONE
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binding.combov2PairingSectionFinished.visibility =
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if (stage == BasicProgressStage.Finished) View.VISIBLE else View.GONE
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binding.combov2PairingSectionAborted.visibility =
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if (stage is BasicProgressStage.Aborted) View.VISIBLE else View.GONE
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binding.combov2PairingSectionMain.visibility = when (stage) {
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BasicProgressStage.Idle,
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BasicProgressStage.Finished,
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is BasicProgressStage.Aborted -> View.GONE
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else -> View.VISIBLE
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}
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if (stage is BasicProgressStage.Aborted) {
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binding.combov2PairingAbortedReasonText.text = when (stage) {
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is BasicProgressStage.Cancelled -> rh.gs(R.string.combov2_pairing_cancelled)
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is BasicProgressStage.Timeout -> rh.gs(R.string.combov2_pairing_combo_scan_timeout_reached)
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is BasicProgressStage.Error -> rh.gs(R.string.combov2_pairing_failed_due_to_error, stage.cause.toString())
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else -> rh.gs(R.string.combov2_pairing_aborted_unknown_reasons)
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}
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}
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binding.combov2CurrentPairingStepDesc.text = when (val progStage = stage) {
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BasicProgressStage.ScanningForPumpStage ->
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rh.gs(R.string.combov2_scanning_for_pump)
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is BasicProgressStage.EstablishingBtConnection -> {
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rh.gs(
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R.string.combov2_establishing_bt_connection,
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progStage.currentAttemptNr
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)
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}
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BasicProgressStage.PerformingConnectionHandshake ->
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rh.gs(R.string.combov2_pairing_performing_handshake)
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BasicProgressStage.ComboPairingKeyAndPinRequested ->
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rh.gs(R.string.combov2_pairing_pump_requests_pin)
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BasicProgressStage.ComboPairingFinishing ->
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rh.gs(R.string.combov2_pairing_finishing)
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else -> ""
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}
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if (stage == BasicProgressStage.ComboPairingKeyAndPinRequested) {
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binding.combov2PinEntryUi.visibility = View.VISIBLE
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} else
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binding.combov2PinEntryUi.visibility = View.GONE
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// Scanning for the pump can take a long time and happens at the
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// beginning, so set the progress bar to indeterminate during that
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// time to show _something_ to the user.
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binding.combov2PairingProgressBar.isIndeterminate =
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(stage == BasicProgressStage.ScanningForPumpStage)
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binding.combov2PairingProgressBar.progress = (progressReport.overallProgress * 100).toInt()
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}
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.launchIn(this)
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combov2Plugin.previousPairingAttemptFailedFlow
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.onEach { previousAttemptFailed ->
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binding.combov2PinFailureIndicator.visibility =
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if (previousAttemptFailed) View.VISIBLE else View.GONE
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}
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.launchIn(this)
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}
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}
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}
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override fun onBackPressed() {
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aapsLogger.info(LTag.PUMP, "User pressed the back button; cancelling any ongoing pairing")
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combov2Plugin.cancelPairing()
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@Suppress("DEPRECATION")
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super.onBackPressed()
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}
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override fun onDestroy() {
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// In the NotInitialized state, getPairingProgressFlow() crashes because there
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// is no PumpManager present. But in that state, the pairing progress flow needs
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// no reset because no pairing can happen in that state anyway.
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if (combov2Plugin.driverStateUIFlow.value != ComboV2Plugin.DriverState.NotInitialized) {
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// Reset the pairing progress reported to allow for future pairing attempts.
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// Do this only after pairing was finished or aborted. onDestroy() can be
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// called in the middle of a pairing process, and we do not want to reset
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// the progress reporter mid-pairing.
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when (combov2Plugin.getPairingProgressFlow().value.stage) {
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BasicProgressStage.Finished,
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is BasicProgressStage.Aborted -> {
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aapsLogger.debug(
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LTag.PUMP,
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"Resetting pairing progress reporter after pairing was finished/aborted"
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)
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combov2Plugin.resetPairingProgress()
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binding.combov2PairingSectionInitial.visibility =
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if (stage == BasicProgressStage.Idle) View.VISIBLE else View.GONE
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binding.combov2PairingSectionFinished.visibility =
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if (stage == BasicProgressStage.Finished) View.VISIBLE else View.GONE
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binding.combov2PairingSectionAborted.visibility =
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if (stage is BasicProgressStage.Aborted) View.VISIBLE else View.GONE
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binding.combov2PairingSectionMain.visibility = when (stage) {
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BasicProgressStage.Idle,
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BasicProgressStage.Finished,
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is BasicProgressStage.Aborted -> View.GONE
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else -> View.VISIBLE
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}
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else -> Unit
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}
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}
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if (stage is BasicProgressStage.Aborted) {
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binding.combov2PairingAbortedReasonText.text = when (stage) {
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is BasicProgressStage.Cancelled -> rh.gs(R.string.combov2_pairing_cancelled)
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is BasicProgressStage.Timeout -> rh.gs(R.string.combov2_pairing_combo_scan_timeout_reached)
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is BasicProgressStage.Error -> rh.gs(R.string.combov2_pairing_failed_due_to_error, stage.cause.toString())
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else -> rh.gs(R.string.combov2_pairing_aborted_unknown_reasons)
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}
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}
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super.onDestroy()
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binding.combov2CurrentPairingStepDesc.text = when (val progStage = stage) {
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BasicProgressStage.ScanningForPumpStage ->
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rh.gs(R.string.combov2_scanning_for_pump)
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is BasicProgressStage.EstablishingBtConnection -> {
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rh.gs(
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R.string.combov2_establishing_bt_connection,
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progStage.currentAttemptNr
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)
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}
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BasicProgressStage.PerformingConnectionHandshake ->
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rh.gs(R.string.combov2_pairing_performing_handshake)
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BasicProgressStage.ComboPairingKeyAndPinRequested ->
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rh.gs(R.string.combov2_pairing_pump_requests_pin)
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BasicProgressStage.ComboPairingFinishing ->
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rh.gs(R.string.combov2_pairing_finishing)
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else -> ""
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}
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if (stage == BasicProgressStage.ComboPairingKeyAndPinRequested) {
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binding.combov2PinEntryUi.visibility = View.VISIBLE
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} else
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binding.combov2PinEntryUi.visibility = View.GONE
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// Scanning for the pump can take a long time and happens at the
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// beginning, so set the progress bar to indeterminate during that
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// time to show _something_ to the user.
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binding.combov2PairingProgressBar.isIndeterminate =
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(stage == BasicProgressStage.ScanningForPumpStage)
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binding.combov2PairingProgressBar.progress = (progressReport.overallProgress * 100).toInt()
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}
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.launchIn(lifecycleScope)
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combov2Plugin.previousPairingAttemptFailedFlow
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.onEach { previousAttemptFailed ->
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binding.combov2PinFailureIndicator.visibility =
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if (previousAttemptFailed) View.VISIBLE else View.GONE
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}
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.launchIn(lifecycleScope)
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}
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}
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