ImageView的ScaleType

1.代码

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns: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">     <LinearLayout        android:layout_width="match_parent"         android:layout_height="wrap_content"         android:orientation="horizontal">         <com.makeramen.roundedp_w_picpathview.RoundedImageView            xmlns: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.RoundedImageView            xmlns: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.RoundedImageView            android: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>     <LinearLayout        android:layout_width="match_parent"         android:layout_height="wrap_content"         android:orientation="horizontal">         <com.makeramen.roundedp_w_picpathview.RoundedImageView            xmlns: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.RoundedImageView            xmlns: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.RoundedImageView            android: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.RoundedImageView        android: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.RoundedImageView        android: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