1.代码

<?xmlversion="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"tools:context="com.market.circlep_w_picpath.MainActivity"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"><com.makeramen.roundedp_w_picpathview.RoundedImageViewxmlns:app="http://schemas.android.com/apk/res-auto"android:scaleType="fitCenter"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="100dp"android:layout_height="100dp"/><com.makeramen.roundedp_w_picpathview.RoundedImageViewxmlns:app="http://schemas.android.com/apk/res-auto"android:scaleType="fitXY"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="100dp"android:layout_height="100dp"/><com.makeramen.roundedp_w_picpathview.RoundedImageViewandroid:scaleType="fitEnd"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="100dp"android:layout_height="100dp"android:id="@+id/roundedImageView"/></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:orientation="horizontal"><com.makeramen.roundedp_w_picpathview.RoundedImageViewxmlns:app="http://schemas.android.com/apk/res-auto"android:scaleType="fitStart"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="100dp"android:layout_height="100dp"/><com.makeramen.roundedp_w_picpathview.RoundedImageViewxmlns:app="http://schemas.android.com/apk/res-auto"android:scaleType="center"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="100dp"android:layout_height="100dp"/><com.makeramen.roundedp_w_picpathview.RoundedImageViewandroid:scaleType="centerCrop"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="100dp"android:layout_height="100dp"/></LinearLayout><com.makeramen.roundedp_w_picpathview.RoundedImageViewandroid:scaleType="centerInside"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="100dp"android:layout_height="100dp"/><com.makeramen.roundedp_w_picpathview.RoundedImageViewandroid:scaleType="matrix"app:riv_corner_radius="50dip"app:riv_border_width="4dip"app:riv_border_color="#ff0000"app:riv_mutate_background="true"android:src="@drawable/x1"app:riv_oval="true"android:layout_width="200dp"android:layout_height="200dp"/></LinearLayout>

2.效果