sheishuoAPP/uikit/res/layout/nim_read_recipt_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/textViewAlreadyRead"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="bottom"
    android:layout_marginBottom="3dip"
    android:background="@color/transparent"
    android:text="@string/readed"
    android:textColor="#666666"
    android:textSize="12sp"
    android:visibility="gone"/>