fragmentOne.kt
import android.icu.lang.UCharacter.GraphemeClusterBreak.T
import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Button
import androidx.navigation.fragment.findNavController
import androidx.databinding.DataBindingUtil
import androidx.navigation.Navigation
import com.example.twoscreens.databinding.FragmentOneBinding
/**
* A simple [Fragment] subclass.
*/
class fragmentOne : Fragment() {
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
// Inflate the layout for this fragment
val binding=DataBindingUtil.inflate<fragmentOneBinding>(layoutInflater,R.layout.fragment_one,container,false)
binding.next_screen.setOnClickListener { view: View? ->
if (view != null) {
Navigation.findNavController(view).navigate(R.id.action_fragment_one2_to_fragment_two2)
}
}
return binding.root
}
}
我希望您可以在尖括号Bracket中看到FragmentOneBinding,现在它显示错误为unresolved referencence >>否,xml名称为fragment_one.xml
fragment_one.xml
<androidx.constraintlayout.widget.ConstraintLayout 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/fragment_one" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".fragmentOne"> <!-- TODO: Update blank fragment layout --> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent"> <Button android:id="@+id/next_screen" android:layout_width="0dp" android:layout_height="0dp" android:layout_marginStart="16dp" android:layout_marginTop="16dp" android:layout_marginEnd="16dp" android:layout_marginBottom="16dp" android:gravity="bottom|center_horizontal|center_vertical|fill_vertical" android:text="Next Screen" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" /> </LinearLayout> </androidx.constraintlayout.widget.ConstraintLayout>
请指导我并告知错误另外,如果您想查看其他文件,请在评论中说
fragmentOne.kt导入android.icu.lang.UCharacter.GraphemeClusterBreak.T导入android.os.Bundle导入androidx.fragment.app.Fragment导入android.view.LayoutInflater导入android.view.View ...
在xml中: