diff --git a/app/src/main/java/edu/hzuapps/androidworks/homeworks/com1314080901238/MainActivity.java b/app/src/main/java/edu/hzuapps/androidworks/homeworks/com1314080901238/MainActivity.java
new file mode 100644
index 00000000..ccc07744
--- /dev/null
+++ b/app/src/main/java/edu/hzuapps/androidworks/homeworks/com1314080901238/MainActivity.java
@@ -0,0 +1,33 @@
+package com.example.yaoyiyao;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+public class MainActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Button button1=(Button)findViewById(R.id.button);
+        Button button2=(Button)findViewById(R.id.button2);
+        button1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent i=new Intent();
+                i.setClass(MainActivity.this,Shark.class);
+                startActivity(i);
+            }
+        });
+        button2.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                MainActivity.this.finish();
+            }
+        });
+    }
+
+}
diff --git a/app/src/main/res/drawable-hdpi/ic_launcher.png b/app/src/main/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 00000000..288b6655
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-hdpi/me.png b/app/src/main/res/drawable-hdpi/me.png
new file mode 100644
index 00000000..3ece9b7f
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/me.png differ
diff --git a/app/src/main/res/drawable-hdpi/shake_bottom.png b/app/src/main/res/drawable-hdpi/shake_bottom.png
new file mode 100644
index 00000000..54378a1f
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/shake_bottom.png differ
diff --git a/app/src/main/res/drawable-hdpi/shake_bottom_line.png b/app/src/main/res/drawable-hdpi/shake_bottom_line.png
new file mode 100644
index 00000000..dbbf8242
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/shake_bottom_line.png differ
diff --git a/app/src/main/res/drawable-hdpi/shake_top.png b/app/src/main/res/drawable-hdpi/shake_top.png
new file mode 100644
index 00000000..6edd3925
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/shake_top.png differ
diff --git a/app/src/main/res/drawable-hdpi/shake_top_line.png b/app/src/main/res/drawable-hdpi/shake_top_line.png
new file mode 100644
index 00000000..8e686874
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/shake_top_line.png differ
diff --git a/app/src/main/res/layout/activity_main (2).xml b/app/src/main/res/layout/activity_main (2).xml
new file mode 100644
index 00000000..d8b18ee1
--- /dev/null
+++ b/app/src/main/res/layout/activity_main (2).xml	
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
+    android:background="@drawable/base_bg">
+
+
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="开始游戏"
+        android:id="@+id/button"
+        android:textSize="30dp"
+        android:textColor="#FFFFFF"
+        android:layout_alignParentTop="true"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="149dp"
+        android:background="#00000000"/>
+
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="结束游戏"
+        android:id="@+id/button2"
+        android:textSize="30dp"
+        android:textColor="#FFFFFF"
+        android:layout_below="@+id/button"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="101dp"
+        android:background="#00000000"/>
+</RelativeLayout>
diff --git a/app/src/main/res/layout/shark_layout.xml b/app/src/main/res/layout/shark_layout.xml
new file mode 100644
index 00000000..5006575a
--- /dev/null
+++ b/app/src/main/res/layout/shark_layout.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#000000"
+    android:orientation="vertical" >
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" >
+        <!--摇一摇下面的背景图-->
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:src="@drawable/me"
+            />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_centerInParent="true"
+            android:gravity="center"
+            android:orientation="vertical" >
+
+            <LinearLayout
+                android:id="@+id/shake_top_layout"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:gravity="center_horizontal|bottom"
+                android:orientation="vertical" >
+
+                <ImageView
+                    android:layout_width="wrap_content"
+                    android:layout_height="100dp"
+                    android:src="@drawable/shake_top" />
+
+                <ImageView
+                    android:id="@+id/shake_top_line"
+                    android:layout_width="match_parent"
+                    android:layout_height="5dp"
+                    android:background="@drawable/shake_top_line" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:id="@+id/shake_bottom_layout"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:gravity="center_horizontal|bottom"
+                android:orientation="vertical" >
+
+                <ImageView
+                    android:id="@+id/shake_bottom_line"
+                    android:layout_width="match_parent"
+                    android:layout_height="5dp"
+                    android:background="@drawable/shake_bottom_line" />
+
+                <ImageView
+                    android:layout_width="wrap_content"
+                    android:layout_height="100dp"
+                    android:src="@drawable/shake_bottom" />
+            </LinearLayout>
+        </LinearLayout>
+    </RelativeLayout>
+
+</LinearLayout>
+