Question

我正在处理我的应用主屏幕的布局。我正在使用带有网格布局和CardView的RecyclerView。我试图减少每张卡之间的空间。屏幕截图如下（打开布局轮廓）以及我的布局文件。如何让每张卡在垂直和水平方向上相互靠近？我一直在玩边缘很多，我似乎无法找到合适的边距或填充值来做到这一点。谢谢你的帮助！

thumbnail_view.xml：

<?xml version="1.0" encoding="utf-8"?>

<android.support.v7.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:card_view="http://schemas.android.com/apk/res-auto"
    android:id="@+id/card_view"
    android:layout_width="match_parent"
    android:layout_height="200dp"
    card_view:cardCornerRadius="5dp"
    card_view:cardMaxElevation="15dp"
    card_view:cardElevation="10dp"
    card_view:contentPadding="5dp"
    android:padding="1dp"
    card_view:cardBackgroundColor="@color/colorPrimary"
    card_view:cardUseCompatPadding="true"
    card_view:cardPreventCornerOverlap="false"
    >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:id="@+id/card_list">
        <ImageView
            android:id="@+id/thumbnail"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_gravity="center"
            android:gravity="center"
            android:contentDescription="@string/video_thumbnail_description"
            android:layout_weight="1"
            />

        <TextView
            android:id="@+id/video_title_view"
            android:layout_height="match_parent"
            android:layout_width="wrap_content"
            android:layout_gravity="center"
            android:gravity="center"
            android:layout_weight="2"
            />
    </LinearLayout>
</android.support.v7.widget.CardView>

activity_main.xml中

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.app.int_a.giantbombforandroid.main.mainscreen.MainActivity">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/my_recycler_list"
        android:scrollbars="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
</RelativeLayout>

Answer 1

编辑这些属性

card_view:cardMaxElevation="1dp"
card_view:cardElevation="1dp"

所以完整的代码将是

<?xml version="1.0" encoding="utf-8"?>

<android.support.v7.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:card_view="http://schemas.android.com/apk/res-auto"
    android:id="@+id/card_view"
    android:layout_width="match_parent"
    android:layout_height="200dp"
    card_view:cardCornerRadius="5dp"
    card_view:cardMaxElevation="1dp"
    card_view:cardElevation="1dp"
      card_view:cardBackgroundColor="@color/colorPrimary"
    card_view:cardUseCompatPadding="true"
    card_view:cardPreventCornerOverlap="false"
    >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:id="@+id/card_list">
        <ImageView
            android:id="@+id/thumbnail"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_gravity="center"
            android:gravity="center"
            android:src="@drawable/bag"
            android:contentDescription="string/video_thumbnail_description"
            android:layout_weight="1"
            />

        <TextView
            android:id="@+id/video_title_view"
            android:layout_height="match_parent"
            android:layout_width="wrap_content"
            android:layout_gravity="center"
            android:gravity="center"
            android:text="lovelksdjslkdjlsdj"
            android:layout_weight="3"
            />
    </LinearLayout>
</android.support.v7.widget.CardView>

Answer 2

我对此做了一些实验，对我来说...

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView
    android:id="@+id/card_view"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    app:cardCornerRadius="4dp"
    app:cardElevation="1dp"
    app:cardMaxElevation="1dp"
    app:cardUseCompatPadding="true" >  //this line is game changer

幸福的生活

如何减少RecyclerView中CardView卡之间的空间？

2 个答案: