ViewPager+Fragmen 案例一

myfragment.xml

<?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:gravity="center"
    android:orientation="vertical" >
 
    <TextView
        android:id="@+id/current_page"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
 
</LinearLayout>

 主页面布局

activity_main.xml 

<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:orientation&#