Java 自定义对话框未显示特定XML
我试图显示一个自定义对话框,但它没有显示,而是使背景透明。最奇怪的是,当我只更改自定义对话框xml时,它会毫无问题地显示出来,因此我认为它可能是xml,但我已经寻找了一段时间,但我找不到问题 这是片段代码:Java 自定义对话框未显示特定XML,java,android,xml,kotlin,dialog,Java,Android,Xml,Kotlin,Dialog,我试图显示一个自定义对话框,但它没有显示,而是使背景透明。最奇怪的是,当我只更改自定义对话框xml时,它会毫无问题地显示出来,因此我认为它可能是xml,但我已经寻找了一段时间,但我找不到问题 这是片段代码: class DeleteConfirmationFragment : Fragment() { private lateinit var binding: FragmentDeleteConfirmationBinding lateinit var dialog : Dialog o
class DeleteConfirmationFragment : Fragment() {
private lateinit var binding: FragmentDeleteConfirmationBinding
lateinit var dialog : Dialog
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_delete_confirmation, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
binding = FragmentDeleteConfirmationBinding.bind(view)
dialog = context?.let { Dialog(it) }!!
binding.btnNo.setOnClickListener {
openDeletedAccountDialog()
}
}
private fun openDeletedAccountDialog() {
dialog.setContentView(R.layout.dialog_deleted_account) // if i change this xml file for other it
//works properly so i think it could be an android bug..
dialog.window?.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
dialog.show()
}
}
这是不起作用的xml:
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginStart="20dp"
android:layout_marginEnd="20dp">
<androidx.cardview.widget.CardView
android:id="@+id/cardViewDeletedAccount"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_margin="10dp"
app:cardCornerRadius="20dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/tvDeletedAccount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:fontFamily="@font/poppins_semibold"
android:text="Cuenta eliminada"
android:textColor="@color/black"
android:textSize="18sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.496"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:fontFamily="@font/poppins_semibold"
android:gravity="center_horizontal"
android:padding="10dp"
android:text="Tu cuenta se ha eliminado correctamente. ¡Esperamos volver a verte pronto!"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/tvDeletedAccount"
app:layout_constraintVertical_bias="0.0" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.cardview.widget.CardView>
</androidx.constraintlayout.widget.ConstraintLayout>
正常工作的其他自定义对话框xml代码:
<?xml version="1.0" encoding="utf-8"?>
<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:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginStart="20dp"
android:layout_marginEnd="20dp">
<TextView
android:id="@+id/textView7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="@font/poppins_bold"
android:gravity="center"
android:text="¡Tu friendzone ha crecido!"
android:textColor="@color/white"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="@+id/cardViewFriendzone"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.884" />
<androidx.cardview.widget.CardView
android:id="@+id/cardViewFriendzone"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:cardCornerRadius="20dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.cardview.widget.CardView
android:id="@+id/cardView2"
android:layout_width="100dp"
android:layout_height="100dp"
app:cardCornerRadius="100dp"
app:cardElevation="20dp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.47"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<ImageView
android:id="@+id/tvNotificationImage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="centerCrop"
app:srcCompat="@drawable/pedra" />
</androidx.cardview.widget.CardView>
<TextView
android:id="@+id/tvDialogName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:fontFamily="@font/poppins_semibold"
android:text="María González"
android:textColor="@color/black"
android:textSize="18sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.496"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/cardView2" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:fontFamily="@font/poppins_semibold"
android:padding="10dp"
android:text="Soy una chica aventurera, amistosa y muy curiosa. Mi pasión son los animales, en especial los perros."
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/tvDialogName"
app:layout_constraintVertical_bias="0.45" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.cardview.widget.CardView>
</androidx.constraintlayout.widget.ConstraintLayout>
知道发生了什么吗?我也遇到了同样的问题,因为我在ConstrintLayout
中使用0dp
,以便使用匹配约束
大小,但它在对话框中不起作用。您只需要更改android:layout\u width=“0dp”
您的cardwiew
到android:layout\u width=“match\u parent”
谢谢!这就是问题所在,现在问题解决了:)
private fun openDeletedAccountDialog() {
dialog.setContentView(R.layout.dialog_friendzone_layout) // <-- change made here
dialog.window?.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
dialog.show()
}