android_布局

<?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/activity_main"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="match_parent"tools:context="com.example.chen.wechat.MainActivity">

  

        <include layout="@layout/top"></include>

        <android.support.v4.view.ViewPager

              android:layout_weight="1"

              android:id="@+id/viewpager"

              android:layout_width="match_parent"

              android:layout_height="0dp">

           </android.support.v4.view.ViewPager>

 

   <include layout="@layout/bottom"></include>

</LinearLayout>

viewpager中的height和weight