I am using kotlin language with android studio. I want to get the properties of the element I clicked in the RecyclerView.
Ben bu kod ile saderc id alabiliyorum
Ex: date
ListAdapter.kt
class ListAdapter(
private val context: Context
) : RecyclerView.Adapter<ListAdapter.ListViewHolder>() {
private var dataList = mutableListOf<Any>()
private lateinit var mListener: onItemClickListener
interface onItemClickListener {
fun onItemClick(position: Int)
}
fun setOnItemClickListener(listener: onItemClickListener) {
mListener = listener
}
fun setListData(data: MutableList<Any>) {
dataList = data
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ListViewHolder {
val view = LayoutInflater.from(context).inflate(R.layout.item_row, parent, false)
return ListViewHolder(view)
}
override fun onBindViewHolder(holder: ListViewHolder, position: Int) {
val question: Questionio = dataList[position] as Questionio
holder.bindView(question)
}
override fun getItemCount(): Int {
return if (dataList.size > 0) {
dataList.size
} else {
return 0
}
}
inner class ListViewHolder(itemView: View, listener: onItemClickListener) :
RecyclerView.ViewHolder(itemView) {
fun bindView(questionio: Questionio) {
itemView.findViewById<TextView>(R.id.txt_policlinic).text = questionio.policlinic
itemView.findViewById<TextView>(R.id.txt_title).text = questionio.title
itemView.findViewById<TextView>(R.id.txt_description).text = questionio.description
itemView.findViewById<TextView>(R.id.txt_date).text = questionio.date
itemView.findViewById<TextView>(R.id.txt_time).text = questionio.time
}
init {
itemView.setOnClickListener {
listener.onItemClick(adapterPosition)
}
}
}
}
My code in onCreateView inside list fragment.Edit
ListFragment
recyclerView.layoutManager = LinearLayoutManager(requireContext())
recyclerView.adapter = adapter
observeData()
adapter.setOnItemClickListener(object : ListAdapter.onItemClickListener {
override fun onItemClick(position: Int) {
showShortToast(position.toString())
}
})
this function is also my observationData(),
I made new edits
private fun observeData() {
binding.shimmerViewContainer.startShimmer()
listViewModel.fetchQuestinData("questions",
requireContext())
.observe(viewLifecycleOwner, {
binding.shimmerViewContainer.startShimmer()
binding.shimmerViewContainer.hideShimmer()
binding.shimmerViewContainer.hide()
adapter.setListData(it)
adapter.notifyDataSetChanged()
})
}
You can pass highOrderFuction into the adapter then setonclickListener for any view you want. Like this:
class ListAdapter(
private val context: Context,
private val onItemClick:(questionio: Questionio)->Unit
) : RecyclerView.Adapter<ListAdapter.ListViewHolder>() {
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ListViewHolder {
val view = LayoutInflater.from(context).inflate(R.layout.item_row, parent, false)
return ListViewHolder(view,onItemClick)
}
...
inner class ListViewHolder(itemView: View,private val onItemClick:(questionio: Questionio)->Unit) : RecyclerView.ViewHolder(itemView) {
fun bindView(questionio: Questionio) {
//set on any view you want
itemView.findViewById<TextView>(R.id.root_view_id).
setOnClickListener{onItemClick(questionio)}
itemView.findViewById<TextView>(R.id.txt_policlinic).text =
questionio.policlinic
itemView.findViewById<TextView>(R.id.txt_title).text = questionio.title
itemView.findViewById<TextView>(R.id.txt_description).text =
questionio.description
itemView.findViewById<TextView>(R.id.txt_date).text = questionio.date
itemView.findViewById<TextView>(R.id.txt_time).text = questionio.time
}
}
}
Related
I am implementing a recycler view with diff util, but the first time I send the list to the adapter, the recycler view is not notified about the new list. Only the second time I update the list does the recycler receive the notification. I tried several solutions I found in similar questions but none worked. If anyone can help, thanks in advance.
Here is my code:
Adapter:
class UserListAdapter : Adapter<UserListItemViewHolder>() {
private var mUsers = mutableListOf<User>()
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): UserListItemViewHolder =
UserListItemViewHolder.create(parent)
override fun onBindViewHolder(holder: UserListItemViewHolder, position: Int) {
holder.bind(mUsers[position])
}
override fun getItemCount(): Int = mUsers.size
fun updateUsersList(users: List<User>) {
val diffCallback = UserListDiffCallback(this.mUsers, users)
val diffResult = DiffUtil.calculateDiff(diffCallback)
this.mUsers.clear()
this.mUsers.addAll(users)
diffResult.dispatchUpdatesTo(this)
}
}
UsersListDiffCallback:
class UserListDiffCallback(
private val oldList: List<User>,
private val newList: List<User>
) : DiffUtil.Callback() {
override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
return oldList[oldItemPosition].username == newList[newItemPosition].username
}
override fun getOldListSize(): Int {
return oldList.size
}
override fun getNewListSize(): Int {
return newList.size
}
override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
return true
}
}
ViewModel:
#HiltViewModel
class MainViewModel #Inject constructor(
private val getUsersUseCase: GetUsersUseCase
) : ViewModel() {
private val _usersResultStatus = MutableLiveData<ResultStatus>(NotLoading)
val usersResultStatus: LiveData<ResultStatus>
get() = _usersResultStatus
private val _users = MutableLiveData<MutableList<User>?>()
val users: LiveData<MutableList<User>?>
get() = _users
fun getUsers() {
viewModelScope.launch {
try {
_usersResultStatus.value = Loading
_users.value = getUsersUseCase()
} catch (error: Throwable) {
_usersResultStatus.value = Error(error)
} finally {
_usersResultStatus.value = NotLoading
}
}
}
}
And where I update the list in the activity:
#AndroidEntryPoint
class MainActivity : AppCompatActivity() {
private var _binding: ActivityMainBinding? = null
private val binding: ActivityMainBinding get() = _binding!!
private val viewModel: MainViewModel by viewModels()
private val usersAdapter = UserListAdapter()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
_binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
initUsersAdapter()
observeStates()
viewModel.getUsers()
}
private fun initUsersAdapter() {
with(binding.recyclerView) {
setHasFixedSize(true)
adapter = usersAdapter
}
}
private fun observeStates() {
viewModel.usersResultStatus.observe(this) { resultStatus ->
setProgressbarVisibility(resultStatus is Loading)
if (resultStatus is Error) {
Toast.makeText(
this#MainActivity,
getString(R.string.error),
Toast.LENGTH_SHORT
).show()
}
}
viewModel.users.observe(this) { users ->
users?.let {
usersAdapter.updateUsersList(users.toMutableList())
}
}
}
private fun setProgressbarVisibility(show: Boolean) {
binding.progressBar.visibility = if (show) View.VISIBLE else View.GONE
}
}
Trying to add item range changed to your code works like this for me
fun updateUsersList(users: List<User>) {
val diffCallback = UserListDiffCallback(this.mUsers, users)
val diffResult = DiffUtil.calculateDiff(diffCallback)
this.mUsers.clear()
this.mUsers.addAll(users)
diffResult.dispatchUpdatesTo(this)
notifyItemRangeChanged(0, users.size)
}
DiffUtil do not update items recyclerview with the same id and not same the content,
The model has [id : Int and title : String]. I want to the diffUtilCallBack check items with the same id and not same title and update to recyclerview
Please help me fix it
my DiffUtil CallBAck
class DiffCB(
val oldl : ArrayList<Test>,
val newl : ArrayList<Test>
) : DiffUtil.Callback() {
override fun getOldListSize(): Int {
return oldl.size
}
override fun getNewListSize(): Int {
return newl.size
}
override fun areItemsTheSame(oldItemPos: Int, newItemPos: Int): Boolean {
return oldl[oldItemPos].id == newl[newItemPos].id
}
override fun areContentsTheSame(oldItemPos: Int, newItemPos: Int): Boolean {
return oldl[oldItemPos].title.equals(newl[newItemPos].title)
}
}
my Adapter.kt
class TestAdapter(val click: TestClick) :
RecyclerView.Adapter<TestAdapter.TestVH>() {
var list: ArrayList<Test> = ArrayList()
inner class TestVH(val bin: ItemTestBinding) : RecyclerView.ViewHolder(bin.root) {
fun bind(test: Test) {
bin.tvTestId.text = "[id: ${test.id}]"
bin.tvTestTitle.text = test.title
bin.cbTest.isChecked = test.select
bin.cbTest.setOnClickListener {
click.click(test)
}
}
}
fun sumbitData(newl: ArrayList<Test>) {
val diff = DiffCB(this.list, newl)
val diffResult = DiffUtil.calculateDiff(diff)
list.clear()
this.list.addAll(newl)
diffResult.dispatchUpdatesTo(this)
}
override fun getItemCount(): Int {
return list.size
}
override fun onBindViewHolder(holder: TestVH, position: Int) {
holder.bind(list[position])
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TestVH {
return TestVH(ItemTestBinding.inflate(LayoutInflater.from(parent.context),
parent, false))
}
}
my Activity.kt
class TestActivity : AppCompatActivity(), TestClick {
private var list : ArrayList<Test> = ArrayList()
private lateinit var bin : ActivityTestBinding
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
bin = ActivityTestBinding.inflate(layoutInflater)
setContentView(bin.root)
val viewModel = ViewModelProviders.of(this).get(TestViewModel::class.java)
val manager = LinearLayoutManager(this)
bin.rvTest.layoutManager = manager
val adapter = TestAdapter(this)
bin.rvTest.adapter = adapter
//init first data
viewModel.setTests(initData())
viewModel.getTests().observe(this, Observer {
adapter.sumbitData(it as ArrayList<Test>)
})
bin.btnTest.setOnClickListener{
viewModel.setTests(updateData())
}
}
fun updateData() : ArrayList<Test> {
for (i in 2..6) {
var test = Test()
test.id = i
test.title = "title test $i update"
list.add(test)
}
return list
}
fun initData() : ArrayList<Test> {
for (i in 1..3) {
var test = Test()
test.id = i
test.title = "title test $i"
list.add(test)
}
return list
}
override fun click(test: Test) {
Toast.makeText(this, "${test.id} ${test.title}", Toast.LENGTH_SHORT).show()
}
}
it is first data
after update data, items with the same id have not been updated (id 2, 3)
So I tried to create multi views recyclerview in kotlin, but sadly it did not work.The recyclerview does not display on the screen. It worth to mention that I tried to set the orientation as vertical in my layout files, also added all the dependencies and things needed. Can anyone please help me with that?
My MainActivity.class
#AndroidEntryPoint
class MainActivity : AppCompatActivity() {
lateinit var binding: ActivityMainBinding
lateinit var adapter: NumbersAdapter
lateinit var recyclerView: RecyclerView
var list: List<Nums> = listOf(Nums(1,false))
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
updateAll()
}
fun updateAll(){
binding.recyclerview.apply {
val layoutManager = LinearLayoutManager(this#MainActivity)
adapter = NumbersAdapter(list)
adapter = adapter
}}}
My Adapter
class NumbersAdapter(
var list: List<Nums>,
): RecyclerView.Adapter<RecyclerView.ViewHolder>() {
class RedViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
val name = itemView.findViewById<TextView>(R.id.red_number)
fun bindRed(number: Nums) {
name.text = number.nums.toString()
}
}
class OrangeViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
val name = itemView.findViewById<TextView>(R.id.orange_number)
fun bindOrange(number: Nums) {
name.text = number.nums.toString()
}
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
if (viewType == 0) {
val redvView =
LayoutInflater.from(parent.context).inflate(R.layout.red_item, parent, false)
return RedViewHolder(redvView)
}
else {
val orangeView =
LayoutInflater.from(parent.context).inflate(R.layout.orange_item, parent, false)
return OrangeViewHolder(orangeView)
}
}
override fun getItemCount(): Int {
return list.size
}
override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
if(getItemViewType(position)==0){
(holder as RedViewHolder).bindRed(list[position])
}
else{
(holder as OrangeViewHolder).bindOrange(list[position])
}
}
override fun getItemViewType(position: Int): Int {
checkItem()
if(list[position].flag)
return 0
return 1
}
fun checkItem(){
for (i in list.indices) {
for (k in i + 1 until list.size) {
if (list[i].nums + list[k].nums == 0) {
list[i].flag = true
list[k].flag = true
}}}}}
in MainActivity.class change code in updateAll() function
fun updateAll(){
binding.recyclerView.apply {
adapter = NumbersAdapter(list)
layoutManager = LinearLayoutManager(this#MainActivity)
}
}
Like title I can't get correct item data, now imagine I have 2 recycler view list on my main fragment, one recycler view is vertical, other horizontal. If I use only one recycler everything is working fine. But when I add other one it's opening items randomly, but that random data openings only random both recyclers positions. Like my first recycler have [a,b,c,d] , other recycler have [e,f,g,h]. When I click first item of first recycler its go to other fragment which shows detail, its opening e instead of a, if I go back and retry it, its opening e again, retry and its a !! so its opening randomly, why this is happening why can't I open correct data? I put Log.d on my adapters and when I click recycler items, adapters log says u clicked "a" but my detail fragment shows me data of "e". What I am doing wrong? Here is my codes:(I have lots of codes so I share what we need)
my databases TvDAO:
import androidx.room.Dao
import androidx.room.Insert
import androidx.room.Query
import com.bt.filmdenemesi.model.Result
#Dao
interface TVDAO {
//Veri erişim nesnesi
#Insert
suspend fun insertAll(vararg movie: Result) : List<Long>
#Query("SELECT * FROM Result")
suspend fun getAllTV() : List<Result>
#Query("SELECT * FROM Result WHERE uuid2=:diziId")
suspend fun getTV(diziId:Int) : Result
#Query("DELETE FROM Result")
suspend fun deleteAllTV(
)
}
Tv Database:
#Database(entities = arrayOf(Result::class), version = 1)
abstract class TvDatabase: RoomDatabase() {
abstract fun tvDao(): TVDAO
companion object{
#Volatile
private var INSTANCE: TvDatabase?=null
fun databaseOlustur2(context: Context): TvDatabase {
return INSTANCE ?: synchronized(this){
val instance = Room.databaseBuilder(context.applicationContext,TvDatabase::class.java, "tvdatabase").fallbackToDestructiveMigration().build()
INSTANCE=instance
instance
}
}
}
}
movie Dao:
#Dao
interface MovieDAO {
//Veri erişim nesnesi
#Insert
suspend fun insertAll(vararg movie: Movie) : List<Long>
#Query("SELECT * FROM Movie")
suspend fun getAllMovie() : List<Movie>
#Query("Select * from Movie where uuid=:movieId")
suspend fun getMovie(movieId:Int) : Movie
#Query("Delete from Movie")
suspend fun deleteAllMovie(
)
}
movie database:
#Database(entities = arrayOf(Movie::class ), version = 1)
abstract class MovieDatabase:RoomDatabase() {
abstract fun movieDao(): MovieDAO
//singleton
companion object{
#Volatile private var instance: MovieDatabase? = null
private val lock = Any()
operator fun invoke(context: Context) = instance ?: synchronized(lock){
instance?: databaseOlustur(context).also {
instance = it
}
}
private fun databaseOlustur(context: Context)= Room.databaseBuilder(
context.applicationContext,
MovieDatabase::class.java,"moviedatabase").build()
}
}
my adapters:
class vizyonrecycleradapter(val diziListesi: ArrayList<Result>):RecyclerView.Adapter<vizyonrecycleradapter.DiziViewHolder>() {
class DiziViewHolder(itemview: View) : RecyclerView.ViewHolder(itemview)
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DiziViewHolder {
val inflater = LayoutInflater.from(parent.context)
val view = inflater.inflate(R.layout.now_playing_recycler_row, parent, false)
return DiziViewHolder(view)
}
override fun onBindViewHolder(holder: DiziViewHolder, konum: Int) {
holder.itemView.tv_ismi.text=diziListesi.get(konum).name
val fotoDenemeleri = "https://image.tmdb.org/t/p/w500"
val fotobirlestirme: String = "${fotoDenemeleri}"+ diziListesi.get(konum).posterPath
holder.itemView.vizyon.gorselIndir(fotobirlestirme, placeHolderYap(holder.itemView.context))
holder.itemView.setOnClickListener {
val action2 = AnaSayfaDirections.actionAnaSayfaToDetaySayfasi(diziListesi[konum].uuid2)
Log.d("movie-title","${diziListesi.get(konum).originalName}")
Navigation.findNavController(it).navigate(action2)
}
}
override fun getItemCount(): Int {
return diziListesi.size
}
fun diziListesiniGuncelle(yeniDiziListesi: List<Result>) {
diziListesi.clear()
diziListesi.addAll(yeniDiziListesi)
notifyDataSetChanged()
}
}
other adapter:
class MovieRecyclerAdapter(val movieListesi: ArrayList<Movie>):RecyclerView.Adapter<MovieRecyclerAdapter.MovieViewHolder>() {
class MovieViewHolder(itemview: View) :RecyclerView.ViewHolder(itemview)
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MovieViewHolder {
val inflater = LayoutInflater.from(parent.context)
val view = inflater.inflate(R.layout.movie_recycler_row,parent,false)
return MovieViewHolder(view)
}
override fun onBindViewHolder(holder: MovieViewHolder, position: Int) {
holder.itemView.movieId.text= movieListesi.get(position).title
val fotoDenemeleri = "https://image.tmdb.org/t/p/w500"
val fotobirlestirme: String = "${fotoDenemeleri}"+movieListesi.get(position).backdropPath
holder.itemView.ana_foto.gorselIndir(fotobirlestirme, placeHolderYap(holder.itemView.context))
holder.itemView.setOnClickListener {
val action = AnaSayfaDirections.actionAnaSayfaToDetaySayfasi(movieListesi.get(position).uuid)
Log.d("movie-title","${movieListesi.get(position).title}")
Navigation.findNavController(it).navigate(action)
}
}
override fun getItemCount(): Int {
return movieListesi.size
}
fun movieListesiniGuncelle(yeniMovieListesi: List<Movie>){
movieListesi.clear()
movieListesi.addAll(yeniMovieListesi)
notifyDataSetChanged()
}
}
my base ViewModel:
open class BaseViewModel(application: Application) : AndroidViewModel(application),CoroutineScope {
private val job = Job()
override val coroutineContext: CoroutineContext
get() = job + Dispatchers.Main
override fun onCleared() {
super.onCleared()
job.cancel()
}
}
detail ViewModel:
class MovieDetayiViewModel(application: Application): BaseViewModel(application) {
val diziLiveData = MutableLiveData<Result>()
val movieLiveData = MutableLiveData<Movie>()
val aramaLiveData = MutableLiveData<ResultX>()
fun roomVerisiniAl2(uuid2: Int){
launch {
val dao2=TvDatabase.databaseOlustur2(getApplication()).tvDao().getTV(uuid2)
//val dizi = dao.getTV(uuid2)
diziLiveData.value=dao2
}
}
fun roomVerisiniAl(uuid: Int){
launch {
val dao= MovieDatabase(getApplication()).movieDao().getMovie(uuid)
// val film = dao.getMovie(uuid)
movieLiveData.value=dao
}
}
fun roomVerisiniAl3(uuid3: Int){
launch {
val dao= AramaDatabase(getApplication()).aramaDao()
val arama = dao.getMovie(uuid3)
aramaLiveData.value=arama
}
}
}
movielistviewmvdel:
class MovieListesiViewModel(application: Application): BaseViewModel(application){
val filmler = MutableLiveData<List<Movie>>()
val dizi = MutableLiveData<List<Result>>()
val arama = MutableLiveData<List<ResultX>>()
val filmHataMesaji = MutableLiveData<Boolean>()
val filmYukleniyor = MutableLiveData<Boolean>()
private var guncellemeZamani = 1 * 60 * 1000 * 1000 * 1000L
private val filmApiServis = FilmAPIServis()
private val disposable = CompositeDisposable()
private val disposable2 = CompositeDisposable()
private val disposable3 = CompositeDisposable()//kullan at
private val ozelSharedPrefences = OzelSharedPrefences(getApplication())
fun refreshData(){
val kaydedilmeZamani = ozelSharedPrefences.zamaniAl()
if(kaydedilmeZamani != null && kaydedilmeZamani !=0L && System.nanoTime()-kaydedilmeZamani < guncellemeZamani){
verileriSQLitedenAl()
}else{
verileriInternettenAl()
}
}
fun refreshFromInternet(){
verileriInternettenAl()
}
private fun verileriSQLitedenAl(){
filmYukleniyor.value = true
launch {
val movieListesi = MovieDatabase(getApplication()).movieDao().getAllMovie()
movieleriGoster(movieListesi)
val diziListesi = TvDatabase.databaseOlustur2(getApplication()).tvDao().getAllTV()
tvleriGoster(diziListesi)
}
launch {
val aramaListesi = AramaDatabase(getApplication()).aramaDao().getAllMovie()
aramalariGoster(aramaListesi)
}
}
private fun verileriInternettenAl(){
filmYukleniyor.value = true
disposable.add(
filmApiServis.getData()
.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.subscribeWith(object: DisposableSingleObserver<GetMoviesResponse>(){
override fun onSuccess(t: GetMoviesResponse) {
filmler.value= t.results
filmHataMesaji.value=false
filmYukleniyor.value=false
sqliteSakla(t.results)
// Toast.makeText(getApplication(),"Filmler internetten yüklendi",Toast.LENGTH_LONG).show()
}
override fun onError(e: Throwable) {
filmHataMesaji.value=true
filmYukleniyor.value=false
e.printStackTrace()
}
})
)
disposable2.add(
filmApiServis.getVizyondakiler()
.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.subscribeWith(object: DisposableSingleObserver<NowPlaying>(){
override fun onSuccess(t: NowPlaying) {
dizi.value= t.results
filmHataMesaji.value=false
filmYukleniyor.value=false
diziSqLiteSakla(t.results)
}
override fun onError(e: Throwable) {
filmHataMesaji.value=true
filmYukleniyor.value=false
e.printStackTrace()
}
})
)
}
fun aramayiInternettenAl(denemeText:String){
disposable3.add(
filmApiServis.getArama(denemeText)
.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.subscribeWith(object: DisposableSingleObserver<search>(){
override fun onSuccess(t: search) {
arama.value= t.results
aramaSqliteSakla(t.results)
}
override fun onError(e: Throwable) {
e.printStackTrace()
}
})
)
}
private fun movieleriGoster(filmlerListesi : List<Movie>?){
filmler.value= filmlerListesi
filmHataMesaji.value=false
filmYukleniyor.value=false
}
private fun tvleriGoster(tvListesi: List<Result>?){
dizi.value= tvListesi
filmHataMesaji.value=false
filmYukleniyor.value=false
}
private fun aramalariGoster(aramaListesi: List<ResultX>){
arama.value= aramaListesi
}
private fun sqliteSakla(filmListesi : List<Movie>){
launch {
val dao = MovieDatabase(getApplication()).movieDao()//dao içerisindeki fonksiyonlara ulaşmak için
dao.deleteAllMovie()
val uuidListesi = dao.insertAll(*filmListesi.toTypedArray())//tek tek movie haline getirmek için typed array. (*) koymak lazım
var i = 0
while (i < filmListesi.size){
filmListesi[i].uuid = uuidListesi[i].toInt()//uuid ye ulaştık modemdeki idleri eşledik
i = i + 1
}
movieleriGoster(filmListesi)
}
ozelSharedPrefences.zamaniKaydet(System.nanoTime())
}
private fun diziSqLiteSakla(diziListesi : List<Result>){
launch {
val dao2 = TvDatabase.databaseOlustur2(getApplication()).tvDao()//dao içerisindeki fonksiyonlara ulaşmak için
dao2.deleteAllTV()
val uuidListesi2 = dao2.insertAll(*diziListesi.toTypedArray())//tek tek movie haline getirmek için typed array. (*) koymak lazım
var i = 0
while (i < diziListesi.size){
diziListesi[i].uuid2 = uuidListesi2[i].toInt()//uuid ye ulaştık modemdeki idleri eşledik
i = i + 1
}
tvleriGoster(diziListesi)
}
ozelSharedPrefences.zamaniKaydet(System.nanoTime())
}
private fun aramaSqliteSakla(aramaListesi : List<ResultX>){
launch {
val dao = AramaDatabase(getApplication()).aramaDao()//dao içerisindeki fonksiyonlara ulaşmak için
dao.deleteAllMovie()
val uuidListesi3 = dao.insertAll(*aramaListesi.toTypedArray())//tek tek movie haline getirmek için typed array. (*) koymak lazım
var i = 0
while (i < aramaListesi.size){
aramaListesi[i].uuid3 = uuidListesi3[i].toInt()//uuid ye ulaştık modemdeki idleri eşledik
i = i + 1
}
arama.value?.let { aramalariGoster(it) }
}
ozelSharedPrefences.zamaniKaydet(System.nanoTime())
}
}
and this is my detail page fragment codes:
class DetaySayfasi : Fragment() {
private lateinit var viewModel : MovieDetayiViewModel
private lateinit var viewModel2: MovieListesiViewModel
var movieId : Int = 0
var getId : String =""
var listeIdAlma : Int = 0
private val ozelSharedPrefences2 = OzelSharedPrefences()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
}
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_detay_sayfa, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
viewModel2 = ViewModelProviders.of(this).get(MovieListesiViewModel::class.java)
viewModel2.refreshData()
arguments?.let {
movieId = DetaySayfasiArgs.fromBundle(it).movieID
}
viewModel = ViewModelProviders.of(this).get(MovieDetayiViewModel::class.java)
viewModel.roomVerisiniAl(movieId)
observeLiveData2()
viewModel.roomVerisiniAl2(movieId)
observeLiveData()
viewModel.roomVerisiniAl3(movieId)
dislike.setOnClickListener {
like()
}
like.setOnClickListener {
dislike()
}
observeLiveData3()
geri()
uygulamaPaylas()
}
fun observeLiveData(){
viewModel.movieLiveData.observe(viewLifecycleOwner, Observer { movie->
movie?.let {
getId = "movie/"+"${it.id}"
listeIdAlma= it.id
movie_title.text=it.title
movie_overview.text= it.overview
movie_rating_text.text=it.voteAverage.toFloat().toString()
movie_rating.rating = it.voteAverage.toFloat()/2
context?.let {
movie_backdrop.gorselIndir("https://image.tmdb.org/t/p/w500"+"${movie.backdropPath}", placeHolderYap(it))
movie_poster.gorselIndir("https://image.tmdb.org/t/p/w500"+"${movie.posterPath}", placeHolderYap(it))
}
if (!(listeIdAlma in ozelSharedPrefences2.korku())){
Log.d("ozelshared","${ozelSharedPrefences2.korku()}")
Log.d("listetaramaid","${listeIdAlma}")
like.visibility=View.GONE
dislike.visibility=View.VISIBLE
}else{
like.visibility=View.VISIBLE
dislike.visibility=View.GONE
Log.d("else","like kapalı olması lazım")
}
}
})
}
fun observeLiveData2(){
viewModel.diziLiveData.observe(viewLifecycleOwner, Observer { tv->
tv?.let {
getId = "tv/"+"${it.id}"
listeIdAlma = it.id
movie_title.text=it.name
movie_overview.text= it.overview
movie_rating_text.text= it.voteAverage?.toFloat().toString()
movie_rating.rating = it.voteAverage!!.toFloat()/2
context?.let {
movie_backdrop.gorselIndir("https://image.tmdb.org/t/p/w500"+"${tv.backdropPath}", placeHolderYap(it))
movie_poster.gorselIndir("https://image.tmdb.org/t/p/w500"+"${tv.posterPath}", placeHolderYap(it))
}
if (!(listeIdAlma in ozelSharedPrefences2.korku())){
Log.d("ozelshared","${ozelSharedPrefences2.korku()}")
Log.d("listetaramaid","${listeIdAlma}")
like.visibility=View.GONE
dislike.visibility=View.VISIBLE
}else{
like.visibility=View.VISIBLE
dislike.visibility=View.GONE
Log.d("else","like kapalı olması lazım")
}
}
})
}
fun observeLiveData3(){
viewModel.aramaLiveData.observe(viewLifecycleOwner, Observer { tv->
tv?.let {
if (it.voteAverage!=null){
getId = "tv/"+"${it.id}"
listeIdAlma = it.id!!
movie_title.text=it.name
movie_overview.text= it.overview
movie_rating_text.text= it.voteAverage?.toFloat().toString()
movie_rating.rating = it.voteAverage?.toFloat()!!/2
context?.let {
movie_backdrop.gorselIndir("https://image.tmdb.org/t/p/w500"+"${tv.backdropPath}", placeHolderYap(it))
movie_poster.gorselIndir("https://image.tmdb.org/t/p/w500"+"${tv.posterPath}", placeHolderYap(it))
}
}else{
getId = "tv/"+"${it.id}"
listeIdAlma = it.id!!
movie_title.text=it.name
movie_overview.text= it.name
movie_rating_text.text= ""
movie_rating.rating = 10F
context?.let {
movie_backdrop.gorselIndir("https://image.tmdb.org/t/p/w500"+"${tv.profile_path}", placeHolderYap(it))
movie_poster.gorselIndir("https://image.tmdb.org/t/p/w500"+"${tv.profile_path}", placeHolderYap(it))
}
}
if (!(listeIdAlma in ozelSharedPrefences2.korku())){
Log.d("ozelshared","${ozelSharedPrefences2.korku()}")
Log.d("listetaramaid","${listeIdAlma}")
like.visibility=View.GONE
dislike.visibility=View.VISIBLE
}else{
like.visibility=View.VISIBLE
dislike.visibility=View.GONE
Log.d("else","like kapalı olması lazım")
}
}
})
}
Like I said if I delete my one of recycler view its working perfect but if I use two recycler on same fragment I got wrong datas. Logs says I open correct data but it's not.
If u need my other codes to solve problem say it please I have lots of screens don't know which one I need to share to solve it.
i solved my problem but i don't know what i changed on background
i just seperate my one function to two function in MovieListesiViewmodel and gave a parameter and its worked like a miracle
private fun verileriInternettenAl(denemeInt: Int){
filmYukleniyor.value = true
disposable.add(
filmApiServis.getData(denemeInt)
.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.subscribeWith(object: DisposableSingleObserver<GetMoviesResponse>(){
override fun onSuccess(t: GetMoviesResponse) {
filmler.value= t.results
filmHataMesaji.value=false
filmYukleniyor.value=false
sqliteSakla(t.results)
// Toast.makeText(getApplication(),"Filmler internetten yüklendi",Toast.LENGTH_LONG).show()
}
override fun onError(e: Throwable) {
filmHataMesaji.value=true
filmYukleniyor.value=false
e.printStackTrace()
}
})
)
}
fun verileriInternettenAl2(){
disposable2.add(
filmApiServis.getVizyondakiler()
.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.subscribeWith(object: DisposableSingleObserver<NowPlaying>(){
override fun onSuccess(t: NowPlaying) {
dizi.value= t.results
filmHataMesaji.value=false
filmYukleniyor.value=false
diziSqLiteSakla(t.results)
}
override fun onError(e: Throwable) {
filmHataMesaji.value=true
filmYukleniyor.value=false
e.printStackTrace()
}
})
)
}
After switching from removing kotlin_extensions and switching to view binding, I received a "Unresolved reference: myViewHolder" in my onBindViewHolder method and when I replace "myViewHolder" with "holder", it then gives me a "Unresolved reference: bind". How do I resolve this.
MyAdapter
class MyAdapter(private val context: Context, private val mHelper : TaskDbHelper) : RecyclerView.Adapter<MyAdapter.MyViewHolder>(),
SwipeAndDragHelper.ActionCompletionContract {
class MyViewHolder(val binding: CellCardsBinding): RecyclerView.ViewHolder(binding.root ) {
fun binding() {
}
}
private var touchHelper: ItemTouchHelper? = null
private var list = mutableListOf<MyObject>()
override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
initList()
super.onAttachedToRecyclerView(recyclerView)
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
return MyViewHolder(CellCardsBinding.inflate(LayoutInflater.from(parent.context), parent, false))
}
#RequiresApi(Build.VERSION_CODES.P)
#SuppressLint("ClickableViewAccessibility")
override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
val myObject = list[position]
myViewHolder.bind(myObject)
val activity: Activity = context as Activity
holder.binding.text.setOnClickListener{
activity.launchActivity<AddNoteActivity>(42) {
putExtra("PositionInList", position.toString())
putExtra("TaskTitle", myObject.title)
putExtra("TaskText", myObject.text)
}
}
activity.findViewById<RecyclerView>(R.id.recyclerView).setOnTouchListener { _, event ->
when (event.actionMasked) {
MotionEvent.ACTION_UP -> {
updateNotesPositionInDb()
false
}
else -> {
false
}
}
}
holder.binding.title.setOnTouchListener { _, event ->
when (event.actionMasked) {
MotionEvent.ACTION_DOWN -> {
touchHelper!!.startDrag(holder)
false
}
else -> {
false
}
}
}
}
private fun initList() {
list.clear()
val db = mHelper.readableDatabase
val cursor = db.query(
TaskContract.TaskEntry.TABLE,
arrayOf(
TaskContract.TaskEntry.ID,
TaskContract.TaskEntry.COL_TASK_TITLE,
TaskContract.TaskEntry.COL_TASK_TEXT,
TaskContract.TaskEntry.COL_TASK_DATE),null, null, null, null, TaskContract.TaskEntry.ID)
while (cursor.moveToNext()) {
val id = cursor.getColumnIndex(TaskContract.TaskEntry.ID)
val idTitle = cursor.getColumnIndex(TaskContract.TaskEntry.COL_TASK_TITLE)
val idText = cursor.getColumnIndex(TaskContract.TaskEntry.COL_TASK_TEXT)
val idDate = cursor.getColumnIndex(TaskContract.TaskEntry.COL_TASK_DATE)
list.add(MyObject(cursor.getString(id), cursor.getString(idTitle), cursor.getString(idText), cursor.getString(idDate)))
}
notifyDataSetChanged()
cursor.close()
db.close()
}
override fun getItemCount(): Int {
return list.size
}
override fun onViewMoved(oldPosition: Int, newPosition: Int) {
val target = list[oldPosition]
list.removeAt(oldPosition)
list.add(newPosition, target)
notifyItemMoved(oldPosition, newPosition)
}
override fun onViewSwiped(position: Int) {
deleteTask(list[position].ID)
list.removeAt(position)
notifyItemRemoved(position)
updateNotesPositionInDb()
}
fun setTouchHelper(touchHelper: ItemTouchHelper) {
this.touchHelper = touchHelper
}
fun addTask(taskTitle : String, taskText: String) {
val values = ContentValues()
val sdf = SimpleDateFormat("dd/MM/yyyy/", Locale.US)
val date = sdf.format(Date())
values.put(TaskContract.TaskEntry.ID, list.size)
values.put(TaskContract.TaskEntry.COL_TASK_TITLE, taskTitle)
values.put(TaskContract.TaskEntry.COL_TASK_TEXT, taskText)
values.put(TaskContract.TaskEntry.COL_TASK_DATE, date)
val db = mHelper.readableDatabase
db.insertWithOnConflict(TaskContract.TaskEntry.TABLE,
null,
values,
SQLiteDatabase.CONFLICT_REPLACE)
db.close()
list.add(MyObject(list.size.toString(), taskTitle, taskText, date))
notifyItemInserted(list.size)
}
fun addTask() {
val test: Activity = context as Activity
test.launchActivity<AddNoteActivity>(42) {
/* putExtra("user", "854")
p utExtra("user2", "46850") */
}
}
private fun deleteTask(taskId: String) {
val db = mHelper.readableDatabase
db.delete(TaskContract.TaskEntry.TABLE,
"id=$taskId", null)
db.close()
}
fun modifyTask(taskPosition: String, taskTitle: String, taskText: String) {
val target = list[taskPosition.toInt()]
target.title = taskTitle
target.text = taskText
val values = ContentValues()
val sdf = SimpleDateFormat("dd/MM/yyyy/", Locale.US)
val date = sdf.format(Date())
values.put(TaskContract.TaskEntry.ID, taskPosition)
values.put(TaskContract.TaskEntry.COL_TASK_TITLE, taskTitle)
values.put(TaskContract.TaskEntry.COL_TASK_TEXT, taskText)
values.put(TaskContract.TaskEntry.COL_TASK_DATE, date)
val db = mHelper.readableDatabase
db.update(TaskContract.TaskEntry.TABLE,
values, TaskContract.TaskEntry.ID + "=" + target.ID, null)
db.close()
notifyItemChanged(taskPosition.toInt())
}
private fun updateNotesPositionInDb() {
val db = mHelper.readableDatabase
var i = 0
while (i < list.size) {
val values = ContentValues()
values.put(TaskContract.TaskEntry.ID, i)
db.update(TaskContract.TaskEntry.TABLE,
values, TaskContract.TaskEntry.ID + "=? AND " + TaskContract.TaskEntry.COL_TASK_TITLE + "=?", arrayOf(list[i].ID, list[i].title))
i++
}
db.close()
}
I've tried reading Android Studio's official documentation, but it cannot solve my specific problem.
in your class MyViewHolder you have method called binding and you need also to implement it and add paramter
shoud be
class MyViewHolder(private val binding: CellCardsBinding): RecyclerView.ViewHolder(binding.root ) {
fun bind(data:MyObject) {
binding.yourView=data.title ...
}
}
in onBindViewHolder
..
holder.bind(myObject)
After switching from removing kotlin_extensions and switching to view binding, I received a "Unresolved reference: myViewHolder" in my onBindViewHolder method
Well, your onBindViewHolder method is passing a variable called holder and you're trying to use a variable called myViewHolder, so that seems like a problem.
// --------------------this-----v
override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
val myObject = list[position]
// v--- doesn't match this
myViewHolder.bind(myObject)
and when I replace "myViewHolder" with "holder", it then gives me a "Unresolved reference: bind". How do I resolve this.
Your MyViewHolder class has a method called binding that takes no arguments. There is no bind method that takes a "myObject".
class MyViewHolder(val binding: CellCardsBinding): RecyclerView.ViewHolder(binding.root ) {
fun binding() {
}
}
Edit
You should pass an instance of the data class
class MyViewHolder(val binding: CellCardsBinding): RecyclerView.ViewHolder(binding.root ) {
fun bind(object: MyObject) {
// Set variables on binding
}
}
Then pass an instance from your list via onBindViewHolder:
override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
val myObject = list[position]
holder.bind(myObject)
Please check this blog post for more.
I got my answer.
class MyAdapter(private val context: Context, private val mHelper : TaskDbHelper) : RecyclerView.Adapter<MyAdapter.MyViewHolder>(),
SwipeAndDragHelper.ActionCompletionContract {
class MyViewHolder(val binding: CellCardsBinding): RecyclerView.ViewHolder(binding.root ) {
private val titleView: TextView = itemView.findViewById<View>(R.id.title) as TextView
val textView: TextView = itemView.findViewById<View>(R.id.text) as TextView
private val dateTextView: TextView = itemView.findViewById<View>(R.id.date) as TextView
fun binding (myObject: MyObject) {
titleView.text = myObject.title
textView.text = myObject.text
dateTextView.text = myObject.date
}
}
I simply initialised the view I wanted to reference in my layout and called them in the binding() function.