怎么从layout.xml中删除默认的cardview边框

本教程将介绍如何从layout.xml中删除默认的cardview边框的处理方法，这篇教程是从别的地方看到的，然后加了一些国外程序员的疑问与解答，希望能对你有所帮助，好了，下面开始学习吧。

问题描述

我无法删除CardView的默认边框。以前是否有人遇到过此问题？

两条边界线重叠

CardviewDesign.xml

<android.support.v7.widget.CardView
 xmlns:android="https://schemas.android.com/apk/res/android"
 xmlns:android2="http://schemas.android.com/apk/res/android"
 xmlns:app="http://schemas.android.com/apk/res-auto"
 xmlns:card_view="https://schemas.android.com/apk/res-auto"
 xmlns:tools="http://schemas.android.com/tools"
 android:id="@+id/card_view"
 android:layout_width="match_parent"

 android2:layout_marginTop="5dp"
 android2:layout_marginLeft="5dp"
 android2:layout_marginRight="5dp"
 android2:layout_gravity="center|top"

 card_view:cardCornerRadius="20dp"
 android2:layout_width="match_parent"
 android2:layout_height="wrap_content">

<FrameLayout
 android2:layout_width="match_parent"
 android2:layout_height="400dp"

 android2:background="@drawable/cardviewstring">



 <LinearLayout
  android2:orientation="vertical"
  android2:layout_width="380dp"
  android2:layout_height="match_parent"


  android2:weightSum="1"
  android2:layout_marginRight="20dp">

  <LinearLayout
android2:orientation="vertical"
android2:layout_width="match_parent"
android2:layout_weight="1"
android2:layout_height="250dp">

<ImageView
 android2:layout_width="match_parent"
 android2:layout_height="match_parent"
 app:srcCompat="@mipmap/ic_launcher"
 android2:id="@+id/imageView4" />

  </LinearLayout>

  <LinearLayout
android2:orientation="vertical"
android2:layout_width="match_parent"
android2:layout_height="wrap_content"
android2:paddingTop="25dp">

<ScrollView
 android2:layout_width="match_parent"
 android2:layout_height="84dp"
 android2:background="@drawable/screen_background_dark_transparent"
 android2:layout_marginLeft="3dp">

 <LinearLayout
  android2:layout_width="match_parent"
  android2:layout_height="wrap_content"
  android2:orientation="vertical" >

  <TextView
android2:text="TextView"
android2:layout_width="match_parent"
android2:layout_height="wrap_content"
android2:id="@+id/textView4" />

  <TextView
android2:text="TextView"
android2:layout_width="match_parent"
android2:layout_height="35dp"
android2:id="@+id/textView3" />
 </LinearLayout>
</ScrollView>

  </LinearLayout>

  <LinearLayout
android2:orientation="vertical"
android2:layout_marginTop="10dp"
android2:layout_width="match_parent"
android2:layout_height="42dp"
android:layout_alignParentBottom="true">

<LinearLayout
 android2:orientation="horizontal"
 android2:layout_width="match_parent"
 android2:layout_height="match_parent">

 <ImageView
  android2:layout_width="wrap_content"
  android2:layout_height="wrap_content"
  app:srcCompat="@drawable/ic_share"
  android2:id="@+id/imageView3"
  android2:layout_weight="1" />

 <ImageView
  android2:layout_width="wrap_content"
  android2:layout_height="wrap_content"
  app:srcCompat="@drawable/ic_like"
  android2:id="@+id/imageView2"
  android2:layout_weight="1" />
</LinearLayout>
  </LinearLayout>
 </LinearLayout>

</FrameLayout>

drawable/cardviewstring.xml

<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" >
 <solid android:color="#ffffffff" />
 <stroke android:width="3dip" android:color="#000000"/>
 <corners android:radius="20dip"/>
</shape>

Color.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
 <color name="colorPrimary">#154360</color>
 <color name="colorPrimaryDark">#154360</color>
 <color name="colorAccent">#ffffff</color>
 <color name="colorButton">#A0FFFFFF</color>
 <color name="colorView">#A0FF4081</color>
 <color name="white">#ffff</color>
 <color name="lightblue">#ADD8E6</color>
 <color name="tabsScrollColor">#ADD8E6</color>
 <color name="gray">#C0C0C0</color>
 <color name="black">#000000</color>

 <color name="ccolorPrimary">#3F51B5</color>
 <color name="ccolorPrimaryDark">#303F9F</color>
 <color name="ccolorAccent">#FF4081</color>
 <color name="year">#999999</color>
 <color name="title">#222222</color>

 <drawable name="screen_background_dark_transparent">#80000000</drawable>

</resources>

推荐答案

尝试将其添加到您的cardView

card_view:cardPreventCornerOverlap="false"

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