<?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:orientation="vertical">
<LinearLayout
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="#E0E0E0"
    >
    <TextView
        android:id="@+id/uiPPLetter"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="5dip"
        android:paddingLeft="5dip"
        android:paddingTop="5dip"
        android:text="A"
        android:textColor="#454545" />
</LinearLayout>
   <RelativeLayout
       android:id="@+id/item_view"
       android:layout_width="match_parent"
       android:layout_height="wrap_content">

        <TextView
            android:id="@+id/school_name"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:layout_marginLeft="20dp"
            android:gravity="center_vertical"
            android:text="阿尔卑斯"
            android:textColor="@color/textColor"
            android:textSize="@dimen/sp_16" />

        <ImageView
            android:layout_alignParentRight="true"
            android:id="@+id/select_school"
            android:layout_width="20dp"
            android:layout_height="40dp"
            android:layout_marginRight="40dp"
            android:visibility="invisible"
            android:gravity="center_vertical"
            android:src="@drawable/select_ok" />
   </RelativeLayout>
</LinearLayout>