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

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

     xmlns:tools="http://schemas.android.com/tools"

     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.hanqi.testapp2.TestActivity1"

     android:orientation="vertical">

     <LinearLayout

         android:layout_width="match_parent"

         android:layout_height="wrap_content">

     <ImageButton

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:src="@drawable/anniu04"/>

     <ImageButton

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:src="@drawable/anniu05"/>

     <Button

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:background="@drawable/anniu04"

         android:text="普通按钮"/>

     </LinearLayout>

     <LinearLayout

         android:layout_width="match_parent"

         android:layout_height="wrap_content">

     <ImageView

         android:layout_width="100dp"

         android:layout_height="100dp"

         android:src="@drawable/yuantu"

         android:alpha="1"

         android:background="#f00"

         android:scaleType="center"/>

     <ImageView

         android:layout_width="100dp"

         android:layout_height="100dp"

         android:src="@drawable/yuantu"

         android:alpha="1"

         android:background="#f00"

         android:scaleType="centerCrop"/>

         <ImageView

             android:layout_width="100dp"

             android:layout_height="100dp"

             android:src="@drawable/yuantu"

             android:alpha="1"

             android:background="#f00"

             android:scaleType="centerInside"/>

     </LinearLayout>

     <LinearLayout

         android:layout_width="match_parent"

         android:layout_height="wrap_content">

         <ImageView

             android:layout_width="100dp"

             android:layout_height="100dp"

             android:src="@drawable/yuantu"

             android:alpha="1"

             android:background="#f00"

             android:scaleType="matrix"/>

         <ImageView

             android:layout_width="100dp"

             android:layout_height="100dp"

             android:src="@drawable/yuantu"

             android:alpha="1"

             android:background="#f00"

             android:scaleType="fitCenter"/>

     </LinearLayout>

     <LinearLayout

         android:layout_width="match_parent"

         android:layout_height="wrap_content">

         <ImageView

             android:layout_width="100dp"

             android:layout_height="100dp"

             android:src="@drawable/yuantu"

             android:alpha="1"

             android:background="#f00"

             android:scaleType="fitStart"/>

         <ImageView

             android:layout_width="100dp"

             android:layout_height="100dp"

             android:src="@drawable/yuantu"

             android:alpha="1"

             android:background="#f00"

             android:scaleType="fitEnd"/>

         <ImageView

             android:layout_width="100dp"

             android:layout_height="100dp"

             android:src="@drawable/yuantu"

             android:alpha="1"

             android:background="#f00"

             android:scaleType="fitXY"/>

     </LinearLayout>

     <RadioGroup

         android:layout_width="match_parent"

         android:layout_height="wrap_content">

         <RadioButton

             android:layout_width="wrap_content"

             android:layout_height="wrap_content"

             android:text="男"/>

         <RadioButton

             android:layout_width="wrap_content"

             android:layout_height="wrap_content"

             android:text="女"/>

     </RadioGroup>

 </LinearLayout>

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

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"

     package="com.example.administrator.testapp2">

     <application

         android:allowBackup="true"

         android:icon="@mipmap/ic_launcher"

         android:label="@string/app_name"

         android:supportsRtl="true"

         android:theme="@style/AppTheme">

         <activity android:name=".TestActivity1">

             <intent-filter>

             <action android:name="android.intent.action.MAIN" />

             <category android:name="android.intent.category.LAUNCHER" />

         </intent-filter>

         </activity>

     </application>

 </manifest>

 package com.example.administrator.testapp2;

 import android.support.v7.app.AppCompatActivity;

 import android.os.Bundle;

 public class TestActivity1 extends AppCompatActivity {

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_test1);

     }

 }