yinmeng-android/nim_uikit/res/layout/nim_message_item.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    android:paddingTop="6dp"
    android:paddingBottom="6dp"
    android:paddingStart="11dp"
    android:paddingEnd="11dp">
    <TextView
        android:id="@+id/message_item_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="@dimen/bubble_time_layout_margin_bottom"
        android:layout_marginTop="@dimen/bubble_time_layout_margin_top"
        android:background="@drawable/nim_bg_message_tip"
        android:paddingLeft="7dip"
        android:paddingRight="7dip"
        android:textColor="@color/color_grey_999999"
        android:textSize="10sp"
        android:visibility="gone" />

    <com.netease.nim.uikit.common.ui.imageview.HeadImageView
        android:id="@+id/message_item_portrait_left"
        android:layout_width="@dimen/avatar_size_in_session"
        android:layout_height="@dimen/avatar_size_in_session"
        android:layout_alignParentLeft="true"
        android:layout_below="@id/message_item_time"
        android:layout_marginEnd="11dp"
        android:visibility="gone"
        tools:visibility="visible" />

    <com.netease.nim.uikit.common.ui.imageview.HeadImageView
        android:id="@+id/message_item_portrait_right"
        android:layout_width="@dimen/avatar_size_in_session"
        android:layout_height="@dimen/avatar_size_in_session"
        android:layout_alignParentRight="true"
        android:layout_below="@id/message_item_time"
        android:layout_marginStart="11dp"
        android:visibility="gone" />

    <LinearLayout
        android:id="@+id/message_item_name_layout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/message_item_time"
        android:layout_toLeftOf="@id/message_item_portrait_right"
        android:layout_toRightOf="@id/message_item_portrait_left"
        android:orientation="horizontal">

        <ImageView
            android:id="@+id/message_item_name_icon"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/message_item_time"
            android:layout_marginBottom="3dp"
            android:layout_marginRight="3dp"
            android:layout_toRightOf="@id/message_item_portrait_left"
            android:visibility="gone" />

        <TextView
            android:id="@+id/message_item_nickname"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/message_item_time"
            android:layout_marginBottom="3dp"
            android:layout_marginTop="-3dp"
            android:ellipsize="end"
            android:gravity="center_vertical"
            android:maxWidth="160dip"
            android:singleLine="true"
            android:textColor="#000000"
            android:textSize="12sp"
            android:visibility="gone" />
    </LinearLayout>

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@id/message_item_name_layout"
        android:layout_toStartOf="@id/message_item_portrait_right"
        android:layout_toEndOf="@id/message_item_portrait_left">

        <LinearLayout
            android:id="@+id/message_item_body"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@android:color/transparent"
            android:gravity="bottom"
            android:orientation="horizontal">

            <ProgressBar
                android:id="@+id/message_item_progress"
                android:layout_width="20dip"
                android:layout_height="20dip"
                android:layout_gravity="center"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:indeterminate="true"
                android:indeterminateDrawable="@drawable/nim_progress_small_white"
                android:visibility="gone" />

            <ImageView
                android:id="@+id/message_item_alert"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="2dp"
                android:src="@drawable/nim_ic_failed"
                android:visibility="gone" />

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

            <FrameLayout
                android:id="@+id/message_item_content"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:background="@android:color/transparent" />

        </LinearLayout>
    </FrameLayout>
</RelativeLayout>