求助：XML布局转为Card View后，金额与付款方式控件无法编辑

Hey there! Let's troubleshoot why your editable fields (amount and payment method) stopped working after moving your layout into a CardView. I’ve got a few common fixes for you:

1. You’re Using TextView Instead of EditText #

TextView isn’t designed for user input—even if you set android:editable="true", that property’s been deprecated and won’t work reliably. Switch to EditText instead, which is built specifically for editable text.

Here’s how to update your layout with CardView:

<androidx.cardview.widget.CardView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="16dp"
    app:cardCornerRadius="8dp"
    app:cardElevation="4dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:padding="16dp">

        <!-- Existing customer details -->
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="客户名称"
            android:textStyle="bold"/>
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="张三"/>

        <!-- Editable Amount Field -->
        <EditText
            android:id="@+id/et_amount"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="输入金额"
            android:inputType="numberDecimal"
            android:layout_marginTop="8dp"/>

        <!-- Editable Payment Method Field -->
        <EditText
            android:id="@+id/et_payment_method"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="输入付款方式"
            android:layout_marginTop="8dp"/>

    </LinearLayout>

</androidx.cardview.widget.CardView>

2. CardView Is Blocking Focus/Touch Events #

If your CardView has android:clickable="true" or android:focusable="true" set, it might be intercepting touch events meant for your EditTexts. To fix this, explicitly enable focus for your EditTexts:

<EditText
    android:id="@+id/et_amount"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="输入金额"
    android:inputType="numberDecimal"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:layout_marginTop="8dp"/>

3. Outdated CardView Library #

Make sure you’re using the latest version of the CardView dependency in your module-level build.gradle file to avoid compatibility bugs:

implementation 'androidx.cardview:cardview:1.0.0'

• Replace TextView with EditText for editable fields—TextView isn’t meant for user input.
• Check CardView’s focus/click properties to ensure it doesn’t block child views.
• Update your CardView dependency to rule out library issues.

内容的提问来源于stack exchange，提问作者user9532704