hcp-pad/tuichat/src/main/res/layout/chat_input_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<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="wrap_content"
    android:orientation="vertical">

    <com.tencent.qcloud.tuikit.tuichat.classicui.widget.input.ReplyPreviewBar
        android:id="@+id/reply_preview_bar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="5dp"
        android:visibility="gone"
        tools:visibility="visible" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:padding="5dp">

        <ImageView
            android:id="@+id/voice_input_switch"
            android:layout_width="@dimen/divider_56px"
            android:layout_height="@dimen/divider_56px"
            android:layout_marginStart="@dimen/divider_28px"
            android:scaleType="centerInside"
            android:src="@drawable/action_audio_selector" />

        <com.tencent.qcloud.tuikit.tuichat.classicui.widget.input.TIMMentionEditText
            android:id="@+id/chat_message_input"
            android:layout_width="0dp"
            android:layout_height="@dimen/divider_60px"
            android:layout_margin="@dimen/divider_15px"
            android:layout_weight="1"
            android:background="@drawable/msg_editor_border"
            android:paddingStart="@dimen/divider_15px"
            android:textCursorDrawable="@drawable/my_cursor"
            android:textSize="@dimen/divider_28px" />

        <Button
            android:id="@+id/chat_voice_input"
            style="?android:attr/borderlessButtonStyle"
            android:layout_width="0dp"
            android:layout_height="@dimen/divider_60px"
            android:layout_margin="@dimen/divider_13px"
            android:layout_weight="1"
            android:background="@drawable/voice_btn_selector"
            android:text="@string/hold_say"
            android:textAllCaps="false"
            android:textColor="@color/color_FF333333"
            android:textSize="@dimen/divider_28px"
            android:textStyle="bold"
            android:visibility="gone" />

        <ImageView
            android:id="@+id/more_btn"
            android:layout_width="@dimen/divider_56px"
            android:layout_height="@dimen/divider_56px"
            android:layout_marginEnd="@dimen/divider_28px"
            android:scaleType="fitXY"
            android:src="@drawable/action_more_selector" />

        <TextView
            android:id="@+id/send_btn"
            android:layout_width="wrap_content"
            android:layout_height="@dimen/divider_60px"
            android:background="@drawable/message_send_border"
            android:gravity="center"
            android:maxLines="1"
            android:paddingStart="@dimen/divider_24px"
            android:paddingEnd="@dimen/divider_24px"
            android:text="@string/send"
            android:textColor="@android:color/white"
            android:textSize="@dimen/divider_28px"
            android:visibility="gone"
            tools:visibility="visible" />

    </LinearLayout>

    <com.tencent.qcloud.tuikit.tuichat.classicui.widget.input.ReplyPreviewBar
        android:id="@+id/quote_preview_bar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="9.6dp"
        android:visibility="gone"
        tools:visibility="visible" />

    <RelativeLayout
        android:id="@+id/more_groups"
        android:layout_width="match_parent"
        android:layout_height="@dimen/divider_202px"
        android:visibility="gone" />

</LinearLayout>