我目前正在使用ViewBindings更新源代码，但我没有让它们为以前工作的其他模块的子布局工作。我在Android Studio 4.1.3上。我在应用模块build. gradle中添加了viewBinding.启用=true。但是当我尝试从子布局访问按钮时，它不会给出任何错误，但它也不会执行操作。

main_fragment. 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"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000">

<com.playerview.TestPlayerView
    android:id="@+id/testPlayerView"
    android:layout_width="wrap_content"
    android:layout_height="0dp"
    app:v3PlaybackEnabled="true"
    app:always_show_go_to_live="true"
    app:extra_overlay_layout = "@array/extra_overlays"
    app:server_side_ad_overlay_index = "1"
    app:hide_play_pause_on_live="true"
    app:show_partner_logo="true"
    app:hide_seek_controllers_on_live="true"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    app:show_subtitle_on_full_screen="true" />

</androidx.constraintlayout.widget.ConstraintLayout>

片段绑定Provider. kt

class FragmentBindingProvider private constructor(
val btnPlayNext: Button?,
val testPlayerView: TestPlayerView,
val txtPlaylistPosition: TextView?,
val btnMute: ToggleButton?,
private val root: View
) : ViewBinding {

override fun getRoot(): View = root

companion object {
    fun inflate(isLogoView: Boolean, inflater: LayoutInflater, container: ViewGroup?): FragmentBindingProvider {
        return if (isLogoView) initLogo(inflater, container) else init(inflater, container)
    }

    private fun initLogo(inflater: LayoutInflater, container: ViewGroup?): FragmentBindingProvider {
        val binding = FragmentLogoBinding.inflate(inflater, container, false)
        return FragmentBindingProvider(
            btnPlayNext = binding.btnPlayNext,
            testPlayerView = binding.testPlayerView,
            txtPlaylistPosition = binding.txtPlaylistPosition,
            btnMute = binding.testPlayerView.findViewById(R.id.btnMute),
            root = binding.root
        )
    }
  }
}

player_video_controls. 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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:visibility="gone"
    tools:visibility="visible">

         <include
        android:id="@+id/player_volume_layout"
        layout="@layout/view_controls_volume"
        android:layout_width="@dimen/player_ad_volume_width"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="@id/bottom_bar"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@id/bottom_bar" />

</androidx.constraintlayout.widget.ConstraintLayout>

view_controls_volume. xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    tools:background="@color/transparent_black_percent_80">

    <ToggleButton
        android:id="@+id/btnMute"
        android:layout_width="@dimen/top_controls_icon_width"
        android:layout_height="@dimen/top_controls_icon_height"
        android:layout_gravity="center"
        android:background="@drawable/ic_volume"
        android:contentDescription="@null"
        android:scaleType="center"
        android:checked="true"
        android:textOff=""
        android:textOn="" />

</FrameLayout>

MainFragment. kt

override fun onStart() {
    super.onStart()
    observeViewModel()

    /*Here calling view of child layout*/
    binding.btnMute?.setOnCheckedChangeListener { v, isChecked ->
        if (isChecked && binding.testPlayerView.isMuted()) {
            binding.testPlayerView.unmute()
        } else {
            binding.testPlayerView.mute()
        }
    }
}

如果有人得到的想法，请让我知道。