im_avchat_audio_layout.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="match_parent"
    android:background="@drawable/im_avchat_call_bg" >


    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <RelativeLayout
            android:clickable="true"
            android:layout_marginLeft="22dp"
            android:layout_marginTop="18dp"
            android:id="@+id/avchat_audio_switch_video"
            android:descendantFocusability="blocksDescendants"
            android:background="@drawable/im_video_audio_mode_switch_bg"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">

            <Button
                android:clickable="false"
                android:layout_centerInParent="true"
                android:background="@color/im_transparent"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:drawableLeft="@drawable/im_avchat_switch_mode_video_icon"
                android:drawablePadding="5dip"
                android:shadowColor="#353738"
                android:shadowDy="-1"
                android:shadowRadius="1"
                android:text="@string/im_avchat_switch_to_video"
                android:textColor="@color/im_white"
                android:textSize="13sp"
                android:visibility="visible" />
            <!--</FrameLayout>-->
        </RelativeLayout>

        <com.yidianling.avchatkit.common.imageview.HeadImageView
            android:id="@+id/avchat_audio_head"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="60dp"
            android:layout_gravity="center_horizontal" />

        <TextView
            android:layout_gravity="center_horizontal"
            android:id="@+id/avchat_audio_nickname"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="15dp"
            android:layout_marginBottom="15dp"
            android:textColor="@color/im_white"
            android:textSize="20sp"
            android:text=""
            android:gravity="center"
            android:singleLine="true"
            android:ellipsize="end"
            />

        <Chronometer
            android:id="@+id/avchat_audio_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="15dp"
            android:shadowColor="#fbfbf9"
            android:shadowDy="1"
            android:shadowRadius="1"
            android:textColor="@color/im_white"
            android:textSize="16sp"
            android:gravity="center"
            android:visibility="gone" />

        <TextView
            android:layout_marginBottom="5dp"
            android:layout_gravity="center_horizontal"
            android:id="@+id/avchat_audio_notify"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@color/im_white"
            android:textSize="17sp"
            android:text="@string/im_avchat_video_call_request"
            android:gravity="center"
            android:ellipsize="end"
            android:paddingLeft="35dp"
            android:paddingRight="35dp"
            />

        <TextView
            android:id="@+id/avchat_audio_wifi_unavailable"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:textSize="12sp"
            android:textColor="@color/im_white"
            android:text="@string/im_avchat_audio_call_wifi_unavailable_tip"
            android:layout_gravity="center_horizontal"
            android:gravity="center_horizontal"
            android:background="@drawable/im_avchat_audio_call_wifi_unavailable"
            android:paddingTop="15dp"
            android:paddingBottom="7dp"
            android:includeFontPadding="false"
            android:layout_marginLeft="15dp"
            android:layout_marginRight="15dp"
            android:visibility="gone"
            />

        <TextView
            android:layout_gravity="center_horizontal"
            android:id="@+id/avchat_audio_netunstable"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@color/im_white"
            android:textSize="17sp"
            android:text="@string/im_avchat_network_grade_1"
            android:gravity="center"
            android:singleLine="true"
            android:ellipsize="end"
            android:visibility="invisible"
            android:drawablePadding="1dp"
            android:drawableRight="@drawable/im_network_grade_1"
            />

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:paddingBottom="45dp">


            <include
                android:id="@+id/avchat_audio_mute_speaker_huangup"
                layout="@layout/im_avchat_audio_control_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:visibility="visible" />

            <include
                android:id="@+id/avchat_audio_refuse_receive"
                layout="@layout/im_avchat_refuse_receive_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:visibility="gone" />

            <include
                android:id="@+id/avchat_record_layout"
                layout="@layout/im_avchat_record_layout"
                android:layout_above="@+id/avchat_audio_mute_speaker_huangup"
                android:layout_marginBottom="15dp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerHorizontal="true"
                android:visibility="invisible" />

        </RelativeLayout>

    </LinearLayout>
</RelativeLayout>