Merge pull request #275 from qq379701982/master

#2 #101 第三次实验

app/src/main/res/layout/activity_com1314080901219.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context="edu.hzuapps.androidworks.homeworks.com1314080901219.com1314080901219Activity"
+    tools:showIn="@layout/activity_com1314080901219">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="30dp"
+        android:text="电子时钟" />
+</RelativeLayout>