У меня была эта проблема в течение долгого времени, и я пробовал разные предложения на похожих постах, но все они оказались бесполезными.
В настоящее время у меня есть обзор реселлера, который реализует двойной щелчок для лайков. Всякий раз, когда я делаю это, просмотрщик переходит к началу страницы.
Пожалуйста, посоветуйте, что нужно сделать, чтобы остановить это.
Код
private fun setDataIntoAdapter(list: List<MovieEntity?>?) {
movieAdapter = MovieAdapter(list, object : MovieAdapter.OnMovieListener {
override fun onMovieDoubleClick(movieEntity: MovieEntity, view: View) {
val fav = view.findViewById<ImageView>(R.id.redFav)
// var favMovie = convertToFavourityEntity(movieEntity)
movieEntity.favourite = true
if (fav.visibility == View.GONE) {
fav.visibility = View.VISIBLE
CoroutineScope(Main).launch {
try {
insertAndUpdate(movieEntity)
FancyToast.makeText(
context,
"${movieEntity.title} is added to favourite",
FancyToast.LENGTH_LONG,
FancyToast.SUCCESS,
true
).show()
} catch (e: Exception) {
FancyToast.makeText(
context,
"Movie has been previously added \nto favorite",
FancyToast.LENGTH_LONG,
FancyToast.ERROR,
true
).show()
}
}
} else {
fav.visibility = View.GONE
movieEntity.favourite = false
CoroutineScope(Main).launch {
try {
deleteAndUpdate(movieEntity)
FancyToast.makeText(
context,
"${movieEntity.title} is removed from favourite",
FancyToast.LENGTH_LONG,
FancyToast.INFO,
true
).show()
} catch (e: Exception) {
// Toast.makeText(context, "Movie has been previously removed \nto favorite", Toast.LENGTH_SHORT).show()
val snackbar = Snackbar
.make(
view, "Movie has been previously removed \n" +
"to favorite", Snackbar.LENGTH_LONG
)
snackbar.show()
}
}
}
}
override fun onSingleClick(movieEntity: MovieEntity, view: View) {
gotoDetails(movieEntity)
// view.deleteIcon.setOnClickListener {
// singleDeletion(movieEntity)
// }
}
})
}
private suspend fun insertAndUpdate(movieEntity: MovieEntity) {
ServiceLocator.createLocalDataSource(context!!).movieDao?.update(movieEntity)
}
Адаптер
class MovieAdapter<T>(private var movies:List<T?>?, private var listener:OnMovieListener):RecyclerView.Adapter<MovieAdapter.MovieHolder>() {
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MovieHolder {
val itemView = LayoutInflater.from(parent.context).inflate(R.layout.movie_recycler_items, parent, false)
return MovieAdapter.MovieHolder(itemView)
}
override fun getItemCount(): Int {
return movies!!.size
}
fun setMovie(movies: List<T?>?){
this.movies = movies
notifyDataSetChanged()
}
fun getMovieAt(position: Int):T?{
return movies?.get(position)
}
override fun onBindViewHolder(holder: MovieHolder, position: Int) {
// covert.drawCornerFlag(holder)
movies?.let{
val currentMovies = it[position]
holder.bind(it[position]!!, listener)
}
}
class MovieHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
var title = itemView.findViewById<TextView>(R.id.title)
var releaseDate = itemView.findViewById<TextView>(R.id.releaseDate)
var ratingBar = itemView.findViewById<RatingBar>(R.id.ratingBar)
var imageThmbnail = itemView.findViewById<ImageView>(R.id.thumbnail)
var fav = itemView.findViewById<ImageView>(R.id.favourite)
var redFav = itemView.findViewById<ImageView>(R.id.redFav)
var rating = itemView.findViewById<TextView>(R.id.rating)
fun <T> bind(movieEntity: T, listener: OnMovieListener){
var i = 0
if(movieEntity is MovieEntity){
if(movieEntity.favourite){
redFav.visibility = View.VISIBLE
}
else{
redFav.visibility = View.GONE
}
val calendar = Calendar.getInstance()
val dateReleased = movieEntity.releaseDate?.split("-")
val year = dateReleased?.get(0)?.toInt()
val month = dateReleased?.get(1)?.toInt()
val day = dateReleased?.get(2)?.toInt()
var newDate:Date?= null
if (year != null) {
if (month != null) {
if (day != null) {
calendar.set(year, month,day)
}
}
newDate = calendar.time
}
val displayDate = newDate.toString().substring(4..7) + year.toString()
title.setText(movieEntity.title)
releaseDate.setText(displayDate)
ratingBar.numStars = 5
val ratingNum = movieEntity.rating?.toFloat()?.div(2)
rating.setText("${ratingNum!!}")
ratingBar.rating = ratingNum
Picasso.get().load(movieEntity.movieImage).into(imageThmbnail)
itemView.setOnClickListener(DoubleClick(object :DoubleClickListener{
override fun onDoubleClick(view: View?) {
Log.i("Dob", "Double clicked")
listener.onMovieDoubleClick(movieEntity, itemView)
}
override fun onSingleClick(view: View?) {
Log.i("click", "Single click")
listener.onSingleClick(movieEntity, itemView)
}
}))
}
}
}
interface OnMovieListener{
fun onMovieDoubleClick(movieEntity: MovieEntity, view:View)
fun onSingleClick(movieEntity: MovieEntity, view: View)
}
}