the question is how to pass data from BottomSheetDialogFragment to Fragment or Activity and what would be the correct way ?
Here is my Fragment dialog that will be opened in my Frament and should save data from textview that is getting clicked on.
class BallTypeDialogFragment : BottomSheetDialogFragment() {
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?) =
inflater.inflate(R.layout.fragment_blood_type_dialog, container, false)
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
text_view_ball_O.setOnClickListener {
text_view_ball_O.text
Toast.makeText(context, "O+", Toast.LENGTH_SHORT).show()
}
text_view_ball_A.setOnClickListener {
text_view_ball_A.text
Toast.makeText(context, "A+", Toast.LENGTH_SHORT).show()
}
text_view_ball_AA.setOnClickListener {
Toast.makeText(context, "AA+", Toast.LENGTH_SHORT).show()
}
text_view_blood_grop_minus.setOnClickListener {
text_view_blood_grop_minus.text
Toast.makeText(context, "-", Toast.LENGTH_SHORT).show()
}
text_view_ball_AAR.setOnClickListener {
text_view_ball_AAR.text
Toast.makeText(context, "R -", Toast.LENGTH_SHORT).show()
}
text_view_ball_AARS.setOnClickListener {
text_view_ball_AARS.text
Toast.makeText(context, "AARS -", Toast.LENGTH_SHORT).show()
}
text_view_ball_OO.setOnClickListener {
text_view_ball_OO.text
Toast.makeText(context, "OO -", Toast.LENGTH_SHORT).show()
}
}
}
And i Simply open it in my Fragment like this,even though I understand it is incorrect.
private fun showDialog() {
val dialog = BallTypeDialogFragment()
dialog.show(childFragmentManager, "BallTypeDialogFragment")
}
So here is how I solved the problem.
I created an interface in my BottomSheetDialogFragment with String variable for a class
private var ballType: String = ""
interface OnBallGroupSelectedListener {
fun onBalldGroupListener(ballType: String)
}
When I was selecting value in my Dialog I was setting value to a string and then using method to pass the values to my parent Fragment.
private fun getBloodGroupResults() {
val listener = targetFragment as OnBallGroupSelectedListener?
listener?.onBalldGroupListener(ballType)
dismiss()
}
Then in my parent Fragment simply implementing the Interface and creating String variable that will be set in the Interface
private var ballType: String? = ""
override fun onBallGroupListener(ballType: String) {
this.ballType = ballType
}
Since you're using kotlin, you might consider passing a lambda to your dialogfragment.
E.g.
BallTypeDialogFragment(onData: (String) -> Unit)
and then you pass it by
private fun showDialog(onData: (String) -> Unit)) {
val dialog = BallTypeDialogFragment(onData)
dialog.show(childFragmentManager, "BallTypeDialogFragment")
}
then in your DialogFragment you just do:
//something something
text_view_ball_O.setOnClickListener {
onData(text_view_ball_O.text)
Toast.makeText(context, "O+", Toast.LENGTH_SHORT).show()
}
//something something
1- Create an interface.
interface DialogActivityContract{
fun onPassDataRequsted(dataType: DataType)
}
2- Implement that interface to the activity:
class ActivityThatHoldsTheDialogActivity : SomeAppCompactActivity(),DialogActivityContract{
//other methods here
override public void onPassDataRequsted(DataType dataType){
//handle data here
}
}
And in your fragment:
lateinit var dialogActivityContract: DialogActivityContract
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
dialogActivityContract = (activity as ActivityThatHoldsTheDialogActivity)
}
// some methods here
fun whenYouNeedToSendThatData(){
dialogActivityContract.onPassDataRequsted(yourData)
}
Another way of doing it is using the EventBus library.
You can use listeners as follows
open class BallTypeDialogFragment<L: BallTypeDialogFragment.BottomSheetClickListener.SingleAction> : BottomSheetDialogFragment(){
open fun showWithListener(listener: L, fm : FragmentManager, tag : String) {
this.listener = listener
show(fm, tag)
}
interface BottomSheetClickListener {
interface SingleAction : BottomSheetClickListener {
fun passData(ballType: String)
}
}
}
}
And then in the calling Fragment.
activity?.supportFragmentManager?.let {
BallTypeDialog<LocationBottomSheet.BottomSheetClickListener.SingleAction>().showWithListener(object : BallTypeDialogFragment.BottomSheetClickListener.SingleAction {
override fun passData(data : String)
}, it, "test" )
}
Related
I had a working app that does some arithmetic functionality that is out of the scope of the question, then I wanted to add more functionality to it, so i separated the layout into activity and fragment in order to later add other fragments that will do extra functions.
yet when I separated the layout taking some buttons along with a TextView (R.id.Result) to the new fragment, the text property of the TextView still updates as expected, but the display stays the same, always showing the initialization value initially assigned to it on its creation time.
I confirmed that the objects are the same as I expected them to be during runtime verified through logcat, what I need OFC is for the TextView display to update when I change its text property, numberInsertAction is called from the buttons properly and send proper data.
Important Note: below is only the relevant parts of code, it is much larger and I know what you see below can be simplified but it is built this way because of other classes and functionality that aren't shown below, if you need to see or ask about something outside the below code please do, yet again I only included the related part only and removed the business functionality.
Thanks in advance.
just to reiterate: numberInsertAction(view: View) is the entry point/function called by the buttons on the fragment.
MainActivity.kt
class MainActivity : AppCompatActivity(), AddObserverToActivity {
private lateinit var binding: ActivityMainBinding
private lateinit var stateManager: StateManager
override fun onCreate(savedInstanceState: Bundle?) {
//initialize layout
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
val activityRoot = binding.root
setContentView(activityRoot)
stateManager = StateManager()
}
override fun addResultObserver(observer: Observer) {
Log.d(TAG, "addObserver! ${observer.toString()} ${observer::class.toString()}")
StateManager.addDisplayObserver(observer)
}
fun numberInsertAction(view: View) {
if (view is Button) {
StateManager.enterDigit(view.text.toString())
}
}
}
CalculatorFragment.kt
class CalculatorFragment : Fragment() {
companion object {
fun newInstance() = CalculatorFragment()
}
private lateinit var binding: FragmentCalculatorBinding
private lateinit var mainActivityHandle: AddObserverToActivity
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
Log.d(TAG, "onCreateView")
binding = FragmentCalculatorBinding.inflate(inflater, container, false)
return inflater.inflate(R.layout.fragment_calculator, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
Log.d(TAG, "using on view created")
mainActivityHandle = context as AddObserverToActivity
Log.d(TAG, "${binding.Result} ${(binding.Result)::class.simpleName.toString()}")
Log.d(TAG, mainActivityHandle::class.toString())
mainActivityHandle.addResultObserver(DisplayPanel(binding.Result))
}
}
StateManager.kt
class StateManager : Observable() {
private val displayBuffer = DisplayBuffer(DecimalVariable("0"))
fun enterDigit(digit: String) {
Log.d(TAG, "enterDigit: $digit, $currentState")
displayBuffer.insertDigit(digit)
}
fun addDisplayObserver(observer: Observer) {
Log.d(TAG, "addDisplayObserver: $observer")
displayBuffer.addObserver(observer)
}
private fun doNotify(Notified: Any) {
Log.d(TAG, "doNotify: $Notified")
setChanged()
notifyObservers(Notified)
}
}
DisplayBuffer.kt
class DisplayBuffer(initializationValue: SomeClass) : Observable() {
private var initialValue = initializationValue
private var resultString = "0"
var value = initialValue
set(value) {
Log.d(TAG, "setter: $value")
field = value
doNotify()
}
fun set(value: String) {
Log.d(TAG, "set: $value")
this.value = value as Int
}
private fun doNotify() {
Log.d(TAG, "doNotify")
setChanged()
notifyObservers(value.toString())
}
fun insertDigit(digit: String) {
Log.d(TAG, "insertDigit: $digit result: $resultString")
resultString = resultString + digit
Log.d(TAG, "new value: $resultString")
setChanged()
notifyObservers(resultString)
}
}
DisplayPanel.kt
class DisplayPanel(calculationTextView: TextView) : Observer {
private val displayField: TextView = calculationTextView
private val maxDigits = 16
private fun setDisplay(text: String) {
Log.d(TAG, "setDisplay: $text")
if (text.length <= maxDigits) {
displayField.text = text
//displayField.invalidate()
}
}
override fun update(observable: Observable?, targetObjects: Any?) {
Log.d(TAG, "update: $this $observable, $targetObjects")
setDisplay(targetObjects as String)
}
}
Add binding.lifecycleOwner = viewLifecycleOwner in onCreateView or onViewCreated method.
was answered by #Mike M in Comments:
In CalculatorFragment,
He instructed me to change
return inflater.inflate(R.layout.fragment_calculator, container, false) to return binding.root.
as the problem was that this function inflated two instances of the fragment calculator layout and returned the later while it used the former as observer.
to qoute #Mike-M:
The inflater.inflate() call is creating a new instance of that layout that is completely separate from the one that FragmentCalculatorBinding is creating and using itself.
FragmentCalculatorBinding is inflating the view internally, which is why it is passed the inflater in its inflate() call.
I'm trying to inflate a custom dialog in my "CreateShoppingListMenuFragment" I've followed android's documentation but seem to be having a problem with the Listener, I know FragmentManager() is deprecated and used both parentFragmentManager & child FragmentManager to no success, maybe it's related?
Here is the error message:
logo1200.shoppinglist, PID: 24194
java.lang.ClassCastException: com.camilogo1200.shoppinglist.presentation.MainActivity#11852bbmust implement ShoppingListNameRequestListener
at com.camilogo1200.shoppinglist.presentation.fragments.ShoppingListNameRequestDialog.onAttach(ShoppinListNameRequestDialog.kt:68)
at androidx.fragment.app.Fragment.performAttach(Fragment.java:2922)
at androidx.fragment.app.FragmentStateManager.attach(FragmentStateManager.java:464)
at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:275)
at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
This is my DialogFragment:
class ShoppingListNameRequestDialog : DialogFragment() {
private lateinit var listener: ShoppingListNameRequestListener
override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
return activity?.let {
val builder = AlertDialog.Builder(it)
val inflater: LayoutInflater = requireActivity().layoutInflater
val requestNameView = inflater.inflate(R.layout.shopping_list_name_request_dialog, null)
val nameInput = requestNameView.findViewById<TextView>(R.id.shopping_list_dialog_input)
var listName = ""
builder.setView(requestNameView)
.setPositiveButton(R.string.save_shopping_list,
DialogInterface.OnClickListener {dialog, id ->
if(nameInput.text.toString() != "")
listName = nameInput.text.toString()
listener.onDialogPositiveClick(this,listName);
})
.setNegativeButton(R.string.cancel,
DialogInterface.OnClickListener{dialog, id ->
listener.onDialogNegativeClick(this)
})
builder.create()
} ?: throw IllegalStateException("Activity cannot be null")
}
interface ShoppingListNameRequestListener {
fun onDialogPositiveClick(dialog: DialogFragment,listName:String)
fun onDialogNegativeClick(dialog: DialogFragment)
}
override fun onAttach(context: Context) {
super.onAttach(context)
try {
listener = context as ShoppingListNameRequestListener
} catch (e: ClassCastException) {
throw ClassCastException((context.toString() +
"must implement ShoppingListNameRequestListener"))
}
}
This is my "CreateShoppingListMenuFragment" (the host fragment where I'm inflating the dialog):
class CreateShoppingListMenuFragment : Fragment(),
ShoppingListNameRequestDialog.ShoppingListNameRequestListener {
private lateinit var binding: FragmentCreateShoppingListMenuBinding
private val viewModel: CreateShoppingListMenuViewModel by activityViewModels()
private val args: CreateShoppingListMenuFragmentArgs by navArgs()
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View {
binding = DataBindingUtil.inflate(
layoutInflater,
R.layout.fragment_create_shopping_list_menu,
container,
false
)
binding.lifecycleOwner = this
viewModel.createItems()
viewModel.viewState.observe(viewLifecycleOwner, ::handleViewState)
val login = args.ownerName
val listId = args.listId
viewModel.setOwnerAndList(login, listId)
binding.createItemButton.setOnClickListener {
val directionToFragment =
CreateShoppingListMenuFragmentDirections.actionCreateShoppingListMenuFragmentToCreateItemMenuFragment(
login,
listId
)
Navigation.findNavController(binding.root).navigate(directionToFragment)
}
binding.completeShoppingListButton.setOnClickListener {
showNoticeDialog()
}
return binding.root
}
private fun showNoticeDialog() {
val dialog = ShoppingListNameRequestDialog()
dialog.show(parentFragmentManager, "ShoppingListNameRequestDialog")
}
override fun onDialogPositiveClick(dialog: DialogFragment,listName: String) {
val result = viewModel.saveShoppingList(listName)
Log.i("shoppingListResult", "$result")
// travel to final fragment sent shoppinglist as arg
}
override fun onDialogNegativeClick(dialog: DialogFragment) {
// User touched the dialog's negative button
}
private fun handleViewState(viewState: CreateShoppingListMenuViewState) {
when (viewState) {
is CreateShoppingListMenuViewState.ErrorViewState -> showError(viewState.exception as ShoppingException)
//is RegisterViewState.SuccessViewState ->showSuccess()
else -> showSuccess(viewState)
}
}
private fun showSuccess(viewState: CreateShoppingListMenuViewState) {
val receivedList = viewState as CreateShoppingListMenuViewState.SuccessViewState
val dataList = receivedList.data
val adapter = ShoppingListMenuAdapter(dataList, viewModel::changeItemCount)
binding.itemListArray.adapter = adapter
}
private fun showError(exception: ShoppingException) {
if (exception.idError as? ItemError == ItemError.NO_ITEMS_CREATED) {
val message = getString(R.string.no_items_created_error_messages)
Toast.makeText(activity, message, Toast.LENGTH_LONG).show()
}
Any help would be greatly appreciated!
The Context in onAttach(Context context) is context Activity fragment does not have its own Context .
The problem here is you are casting context to ShoppingListNameRequestListener for this to work your Activity needs to implement the listener .
To solve this problem there are several ways. if we go with your approach we can pass fragment instance as targetFragment and use it as listener inside the DialogFragment .
private fun showNoticeDialog() {
val dialog = ShoppingListNameRequestDialog()
dialog.setTargetFragment(this)
dialog.show(parentFragmentManager, "ShoppingListNameRequestDialog")
}
Then inside dialog you can do something like this .
class ShoppingListNameRequestDialog:DialogFragment(){
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
targetFragment?.let {
listener = it as ShoppingListNameRequestListener
}
}
}
However setTargetFragment is deprecated now. As a Alternate way you can do the same with a shared ViewModel or with the new API FragmentResultListener.
I'm using Navigation Component, although I don't think that's the problem. The thing is that when I'm in a fragment that contains a ViewPager and I navigate to another one, when I go back using the back button or the gesture of the mobile phone, it returns to the previous fragment but it stops showing the ViewPager. I'll leave you my code for that fragment:
class HomeFragment : Fragment() {
private lateinit var homeFragmentViewModel: HomeFragmentViewModel
private var listAdapter: FlagsListAdapter? = null
private var regionName: String? = null
private val hashtagLabel: TextView by lazy { home_fragment__label__hashtag }
private val flagViewPager: ViewPager by lazy { home_fragment__viewpager__countries }
private val countryLabel: TextView by lazy { home_fragment__label__country_name }
private val showCasesButton: Button by lazy { home_fragment__button__country_cases }
companion object {
fun newInstance(): HomeFragment {
return HomeFragment()
}
}
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
return inflater.inflate(R.layout.fragment_home, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
homeFragmentViewModel = ViewModelProvider(this).get(HomeFragmentViewModel::class.java)
homeFragmentViewModel.getCountriesFlagLiveData().observeOnce(viewLifecycleOwner, Observer {
setFlagsAdapter(it)
})
showCasesButton.setOnClickListener {
val actionNavigateToShowCasesFragment = HomeFragmentDirections.navigateHomeFragmentToShowCasesFragment()
regionName?.let { regionName -> actionNavigateToShowCasesFragment.regionName = regionName }
it.findNavController().navigate(actionNavigateToShowCasesFragment)
}
setFormatHashtag()
}
private fun setFlagsAdapter(flagModelList: List<FlagModel>) {
listAdapter = context?.let {
FlagsListAdapter(
flagModelList,
it
)
}
flagViewPager.adapter = listAdapter
flagViewPager.setPadding(130, 0, 130, 0)
flagViewPager.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
override fun onPageScrollStateChanged(state: Int) {
Toast.makeText(GlobalApplication.getContextFromApplication, "Hola", Toast.LENGTH_SHORT).show()
}
override fun onPageScrolled(
position: Int,
positionOffset: Float,
positionOffsetPixels: Int
) {
countryLabel.text = ""
countryLabel.text = flagModelList[position].regionName
regionName = flagModelList[position].regionName
}
override fun onPageSelected(position: Int) {
countryLabel.text = flagModelList[position].regionName }
})
}
private fun setFormatHashtag() {
val text = getString(R.string.home_fragment_hashtag)
val spannableString = SpannableString(text)
val foregroundColorSpan = context?.let {
ForegroundColorSpan(ContextCompat.getColor(it, R.color.hashtagColor))
}
spannableString.setSpan(foregroundColorSpan, 0, 8, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
hashtagLabel.text = spannableString
}
}
This is my activity:
class MainActivity : AppCompatActivity() {
private val navigationBottomBar by lazy { activity_main__navigation_view__bottom_bar }
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
setUpNavigation()
}
private fun setUpNavigation() {
val navController = Navigation.findNavController(this, R.id.activity_main__graph__nav_host)
NavigationUI.setupWithNavController(navigationBottomBar, navController)
}
}
When you load the fragment the first time it is shown like this, which is how it should be shown, and if I use the Bottom Navigation View it does well too:
But when I use the back button on my phone, here's what happens:
The problem is in your HomeFragment,setFlagsAdapter(it)` doesn't get called when you come back to this fragment. Either
change observeOnce to observe
or
Move
homeFragmentViewModel.getCountriesFlagLiveData().observeOnce(viewLifecycleOwner, Observer {
setFlagsAdapter(it)
})
from onCreateView to
override fun onResume(){
super.onResume()
homeFragmentViewModel.getCountriesFlagLiveData().observeOnce(viewLifecycleOwner, Observer {
setFlagsAdapter(it)
})
}
I have this fragment, its viewmodel, and its adapter. It can already listen to a click, but all I know to do on this is to show a toast. I want it to go to another fragment which will show its "details", which passes the data of the clicked recyclerview item to that "details" fragment. Hint: on the fragment, there's a //TODO there, and I need the code for that.
Here's the fragment:
class HomeFragment : Fragment(), RecyclerViewClickListener {
private lateinit var factory: HomeViewModelFactory
private lateinit var viewModel: HomeViewModel
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
return inflater.inflate(R.layout.fragment_home, container, false)
}
override fun onActivityCreated(savedInstanceState: Bundle?)
{
super.onActivityCreated(savedInstanceState)
val api = DormsAPI()
val repository = DormRepository(api)
factory = HomeViewModelFactory(repository)
viewModel = ViewModelProviders.of(this, factory).get(HomeViewModel::class.java)
viewModel.getDorms()
viewModel.dorms.observe(viewLifecycleOwner, Observer { dorms ->
recyclerViewDorms.also{
it.layoutManager = LinearLayoutManager(requireContext())
it.setHasFixedSize(true)
it.adapter = dormAdapter(dorms, this)
}
})
}
override fun onRecyclerViewItemClick(view: View, dorms: Dorms) {
when(view.id){
R.id.button_reserve -> {
// TODO: Go to new account if not signed up, etc...
Toast.makeText(requireContext(), "Reserve button clicked", Toast.LENGTH_LONG).show()
}
R.id.layoutBox -> {
// TODO: Go to Dorm Details
Toast.makeText(requireContext(), "Go to dorm details", Toast.LENGTH_LONG).show()
}
}
}
}
As for the Adapter class:
class dormAdapter(
private val dorms: List<Dorms>,
private val listener: RecyclerViewClickListener
) : RecyclerView.Adapter<dormAdapter.DormViewHolder>() {
override fun getItemCount() = dorms.size
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) =
DormViewHolder(
DataBindingUtil.inflate(
LayoutInflater.from(parent.context),
R.layout.layout_home,
parent, false
)
)
override fun onBindViewHolder(holder: DormViewHolder, position: Int) {
holder.recyclerviewDormBinding.dorm = dorms[position]
holder.recyclerviewDormBinding.buttonReserve.setOnClickListener {
listener.onRecyclerViewItemClick(holder.recyclerviewDormBinding.buttonReserve, dorms[position])
}
holder.recyclerviewDormBinding.layoutBox.setOnClickListener {
listener.onRecyclerViewItemClick(holder.recyclerviewDormBinding.layoutBox, dorms[position])
}
}
inner class DormViewHolder(
val recyclerviewDormBinding: LayoutHomeBinding
) : RecyclerView.ViewHolder(recyclerviewDormBinding.root)
}
Finally, here's the ViewModel:
class HomeViewModel(private val repository: DormRepository) : ViewModel() {
private lateinit var job: Job
private val _dorms = MutableLiveData<List<Dorms>>()
val dorms: LiveData<List<Dorms>>
get() = _dorms
fun getDorms() {
job = Coroutines.ioThenMain(
{ repository.getDorms() },
{ _dorms.value = it }
)
}
override fun onCleared() {
super.onCleared()
if(::job.isInitialized) job.cancel()
}
}
EDIT: I also have this interface, if needed:
interface RecyclerViewClickListener {
fun onRecyclerViewItemClick(view: View, dorms: Dorms)
}
Since we are adding the HomeFragment from an activity, what we will try to do is create a interface to communicate between activity and fragment.
1. Create an interface
class HomeFragment : Fragment(), RecyclerViewClickListener {
...
...
private var callback : Callback? = null
...
...
override fun onAttach(context: Context) {
...
// Callback instance is initialized
if(context is Callback) callback = context
else throw RuntimeException("$context must implement Callback")
}
...
...
override fun onDetach() {
callback = null
}
...
...
override fun onRecyclerViewItemClick(view: View, dorms: Dorms) {
when(view.id){
R.id.button_reserve -> {
// TODO: Go to new account if not signed up, etc...
Toast.makeText(requireContext(), "Reserve button clicked", Toast.LENGTH_LONG).show()
}
R.id.layoutBox -> {
// Go to Dorm Details
callback?.onShowDormDetail(dorm)
}
}
}
...
...
// This interface will act as mode to communication between
// activity and fragment
interface Callback {
fun onShowDormDetail(dorm: Dorm)
}
}
2. Implement the Callback on the calling activity
class HomeActivity : AppCompatActivity(), HomeFragment.Callback {
...
...
override onShowDormDetail(dorm: Dorm) {
// Add or replace the detail fragment here
}
}
I have an application that performs writing by NFC on a card, depending on the number that has passed will perform a number or other reads. I guess I do this with a simple for loop, the problem is that I do not know where to put that for loop. I give you an example of the class:
class HomeFragment : Fragment(), OnClickDetailsMonuments {
private lateinit var homeFragmentViewModel: HomeFragmentViewModel
private lateinit var homeMonumentsAdapter: MonumentsAdapter
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View =
inflater.inflate(R.layout.home_fragment, container, false)
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
initViews()
getObservers()
onClickGoToMaps(view)
homeFragmentViewModel.loadJsonFromRetrofit()
}
private fun onClickGoToMaps(view: View) {
fbGoToMaps.setOnClickListener {
view.findNavController().navigate(R.id.googleMapsMonumentsFragment)
}
}
private fun getObservers() {
viewModel.getNFCInfo().observe(viewLifecycleOwner, Observer {
when(it.status){
AsyncResult.Status.SUCCESS -> {
NFCProvider.initialize(context, it.data)
}
AsyncResult.Status.ERROR -> {
}
AsyncResult.Status.LOADING -> {
}
}
})
}
override fun onClickFavListener(monuments: MonumentsVO) {
homeFragmentViewModel.updateDatabaseFavoriteCheckFromViewModel(monuments.id, monuments.fav)
}
override fun onClickRowListenerExtras(monuments: MonumentsVO, position: Int, extras: FragmentNavigator.Extras) {
val bundle = bundleOf(BUNDLE_MONUMENT to monuments)
view?.findNavController()?.navigate(R.id.detailsMonumentsFragment, bundle, null, extras)
}
override fun onClickRowListener(monuments: MonumentsVO, position: Int) {}
private fun initViews() {
homeFragmentViewModel = ViewModelProviders.of(this).get(HomeFragmentViewModel::class.java)
rvHomeFragmentMonumentsRetrofit.setHasFixedSize(true)
val layoutManager = LinearLayoutManager(context)
rvHomeFragmentMonumentsRetrofit.layoutManager = layoutManager
}
override fun onResume() {
super.onResume()
(activity as AppCompatActivity).supportActionBar?.show()
}
private fun showDialog(title: String, process: String, titleButton: String) {
val dialog = CustomSuccessDialog(title, process, titleButton)
dialog.show()
}
override onNewIntentResult(intent) {
val message = NFCProvider.retrieveNfcMessage(intent)
if(message) {
showDialog("Correct reading", "1 de 4", "Continue")
} else {
showDialog("Error reading", "1 de 4", "Retry")
}
}
}
As you can see the problem is that when I start the NFC is when I pass the message. I get this message from an internet service and it returns the number of cards that I have to record, which is the one I have to go through, and since on the one hand I have the onNewIntent that I need for the NFC and on the other hand the observer, I don't know how to do it to put it all together and that every time I write an NFC card I get the correct dialogue and when I continue to the next one, the number of the dialogue increases: 1 of 4, 2 of 4, 3 of 4, etc. See if you can give me a hand. Thank you very much.
You can save the instance of the dialog and update your textView in your dialog like this:
if(message) {
if(mDialog?.isShowing == false) {
showDialog("Correct reading", "1 de 4", "Continue")
} else {
mDialog.updateText("$count de 4")
count ++
}
}
And your showDialog method will look something like this:
private fun showDialog(title: String, process: String, titleButton: String) {
mDialog = CustomSuccessDialog(title, process, titleButton)
mDialog.show()
}