带有OutlineBox样式的TextInputLayout的可见性无法正确设置为GONE

Question

我在ConstraintLayout中有三个具有OutlineBox样式的TextInputLayouts，如下所示。在活动onCreate中，我不需要显示最后一个，因此我使用这段代码（我正在使用Kotlin）将其可见性设置为GONE：etCompanyName.visibility = View.GONE。但是，如您在图片中看到的，布局中仍然保留了一条细线。我该怎么办才能正确消失TextInputLayout？

<android.support.design.widget.TextInputLayout
        android:id="@+id/tilFirstName"
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlineBox"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <android.support.design.widget.TextInputEditText
            android:id="@+id/etFirstName"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="@string/hint_first_name" />
    </android.support.design.widget.TextInputLayout>

    <android.support.design.widget.TextInputLayout
        android:id="@+id/tilLastName"
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlineBox"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/tilFirstName">

        <android.support.design.widget.TextInputEditText
            android:id="@+id/etLastName"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="@string/hint_last_name" />
    </android.support.design.widget.TextInputLayout>

    <android.support.design.widget.TextInputLayout
        android:id="@+id/tilCompanyName"
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlineBox"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/tilLastName">

        <android.support.design.widget.TextInputEditText
            android:id="@+id/etCompanyName"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="@string/hint_company_name" />
    </android.support.design.widget.TextInputLayout>

Answer 1

尝试将可见性：God属性设置为文本输入布局元素，而不是editText。

tilCompanyName.visibility = View.GONE