浮动操作按钮未执行 OnClick

Question

FAB 点击没有错误，只是不会执行 onClick。我可以点击按钮，它会亮起响应，但不会打印 Toast 或日志。

[MAIN_ACTIVITY.XML]

    <?xml version="1.0" encoding="utf-8"?>
    <androidx.coordinatorlayout.widget.CoordinatorLayout
    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_height="match_parent"
    android:layout_width="match_parent"
    android:orientation="horizontal">

<TextView
    android:id="@+id/recordings_placeholder"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:alpha="0.8"
    android:gravity="center"
    android:lineSpacingExtra="@dimen/small_margin"
    android:padding="@dimen/activity_margin"
    android:text="@string/no_recordings_found"
    android:textSize="@dimen/bigger_text_size"
    android:textStyle="italic"
    android:visibility="visible" />

<androidx.recyclerview.widget.RecyclerView
    android:id="@+id/recordings_list"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:clipToPadding="false"
    android:padding="20dp"
    app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />

<com.google.android.material.bottomappbar.BottomAppBar
    android:id="@+id/bottomAppBar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="bottom"
    android:backgroundTint="@color/transparentWhite" />

<com.google.android.material.floatingactionbutton.FloatingActionButton
    android:id="@+id/recordingFab"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:src="@drawable/ic_record_white"
    android:backgroundTint="@color/recordRed"
    android:tint="@color/white"
    app:layout_anchor="@id/bottomAppBar"
    app:useCompatPadding="true"
    app:maxImageSize="35dp"
    app:fabCustomSize="65dp">
</com.google.android.material.floatingactionbutton.FloatingActionButton>

MainActivity 类

Answer 1

只需删除 fun onClick(v: View) 定义，它应该可以工作：

recordFabId.setOnClickListener {
    // do your stuff on button click
}