android ImageView实现上面圆角下面直角(xml实现方法)

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="6dp">

<ImageView
android:id="@+id/ms_iv_activity"
android:layout_width="match_parent"
android:layout_height="132dp"
android:layout_centerHorizontal="true"
android:scaleType="center"
android:src="@drawable/ms_ic_default" />
<View
android:id="@+id/ms_iv_blank"
android:layout_width="match_parent"
android:layout_height="132dp"
android:background="@drawable/ms_img_bg" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<stroke

android:width="4dp"
android:color="#f0f0f0" />
</shape>
</item>

<item>
<shape android:shape="rectangle">
<corners
android:topLeftRadius="6dp"
android:topRightRadius="6dp" />

<stroke
android:width="4dp"
android:color="#f0f0f0" />
</shape>

</item>

</layer-list>