Sé que hay un montón de preguntas acerca de ese error. Intentado muchas soluciones, me di cuenta de que había algo diferente en mi caso. Puede alguien por favor ayuda?
Traté de aplicar searchview
a recyclerview
y se insertan filter()
en reyclerview adapter
y setOnQueryTextListener
en mainactivity
.
Pero tengo el siguiente error:
androidx.appcompat.widget.SearchView cannot be cast to android.widget.SearchView
MainActivity.kt
import android.app.Activity
import android.content.Context
import android.content.Intent
import android.graphics.Canvas
import android.graphics.drawable.Drawable
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.*
import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.DividerItemDecoration
import androidx.recyclerview.widget.GridLayoutManager
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.example.co_investorux_ui.databinding.ActivityMainBinding
import com.example.co_investorux_ui.databinding.ItemViewBinding
import com.sothree.slidinguppanel.SlidingUpPanelLayout
import java.util.*
import kotlin.collections.ArrayList
import android.app.SearchManager
import android.widget.SearchView
import android.widget.SearchView.OnQueryTextListener
...
val searchview :SearchView = findViewById(R.id.search_view)
searchview.setOnQueryTextListener(object:SearchView.OnQueryTextListener{
override fun onQueryTextSubmit(query: String?): Boolean {
return false
}
override fun onQueryTextChange(newText: String?): Boolean {
adapter.filter.filter(newText)
return false
}
})
...
getFilter()
override fun getFilter(): Filter {
return object : Filter() {
override fun performFiltering(charSequence: CharSequence): FilterResults {
val charString = charSequence.toString()
if (charString.isEmpty()) {
searchList = itemList
} else {
val filteredList = ArrayList<CoinList>()
for (coin in itemList) {
if (coin.name.contains(charString)) {
filteredList.add(coin)
}
}
searchList = filteredList
}
val filterResults = FilterResults()
filterResults.values = searchList
return filterResults
}
override fun publishResults(
charSequence: CharSequence,
filterResults: FilterResults
) {
searchList = filterResults.values as ArrayList<CoinList>
notifyDataSetChanged()
}
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<com.sothree.slidinguppanel.SlidingUpPanelLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/mainFrame"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="bottom"
app:umanoDragView="@id/slide_layout"
app:umanoPanelHeight="16dp"
tools:context=".MainActivity">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/first_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.appcompat.widget.SearchView
android:id="@+id/search_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintBottom_toTopOf="@id/recyclerview"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/inside_layout"/>
</androidx.constraintlayout.widget.ConstraintLayout>
</com.sothree.slidinguppanel.SlidingUpPanelLayout>
No sé lo que es mi culpa. ¿Cómo puedo solucionar esto?