linphone-android/res/layout/call_incoming.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:tools="http://schemas.android.com/tools"
	android:id="@+id/topLayout"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	android:background="@color/colorH">

	<fragment
		android:id="@+id/status"
		android:name="org.linphone.StatusFragment"
		android:layout_width="match_parent"
		android:layout_height="40dp"
		tools:layout="@layout/status" />

	<RelativeLayout
		android:id="@+id/top_bar"
		android:background="@color/colorF"
		android:layout_width="match_parent"
		android:layout_height="60dp"
		android:layout_below="@id/status">

		<TextView
			android:text="@string/incoming_call"
			style="@style/font1"
			android:layout_width="match_parent"
			android:layout_height="match_parent"
			android:gravity="center"/>

	</RelativeLayout>

	<RelativeLayout
		android:id="@+id/contact_detail"
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:layout_below="@id/top_bar"
		android:paddingTop="10dp"
		android:layout_above="@+id/menu">

		<TextView
			android:id="@+id/contact_name"
			style="@style/font5"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:layout_alignParentTop="true"
			android:layout_centerHorizontal="true"
			android:gravity="center"
			android:paddingTop="5dp"/>

		<TextView
			android:id="@+id/contact_number"
			style="@style/font2"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:layout_below="@id/contact_name"
			android:layout_gravity="center"
			android:layout_centerHorizontal="true"
			android:paddingBottom="10dp"/>

		<RelativeLayout
			android:id="@+id/avatar_layout"
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_below="@id/contact_number"
			android:layout_margin="5dp"
			android:gravity="center">

			<ImageView
				android:id="@+id/contact_picture"
				android:src="@drawable/avatar"
				android:contentDescription="@string/content_description_contact_picture"
				android:layout_width="200dp"
				android:layout_height="wrap_content"
				android:adjustViewBounds="true"/>

			<ImageView
				android:src="@drawable/avatar_mask_border"
				android:layout_width="200dp"
				android:layout_height="wrap_content"
				android:adjustViewBounds="true"
				android:layout_alignParentTop="true"/>

		</RelativeLayout>

	</RelativeLayout>

	<LinearLayout
		android:id="@+id/menu"
		android:layout_width="match_parent"
		android:layout_height="60dp"
		android:layout_alignParentBottom="true"
		android:orientation="horizontal" >

		<ImageView
			android:id="@+id/decline"
			android:src="@drawable/call_hangup"
			android:background="@drawable/hangup"
			android:contentDescription="@string/content_description_decline"
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_weight="1"
			android:padding="12dp"/>

		<LinearLayout
			android:id="@+id/acceptUnlock"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:visibility="gone"
			android:orientation="horizontal"
			android:background="@color/colorA"
			android:paddingLeft="15dp"
			android:paddingTop="15dp"
			android:paddingBottom="15dp"
			android:layout_gravity="bottom">

			<ImageView
				android:src="@drawable/arrow_accept"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"/>

			<ImageView
				android:src="@drawable/arrow_accept"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:alpha="0.6"/>

			<ImageView
				android:id="@+id/acceptArrow"
				android:src="@drawable/arrow_accept"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:alpha="0.2"/>
		</LinearLayout>

		<ImageView
			android:id="@+id/accept"
			android:src="@drawable/call_audio_start"
			android:background="@drawable/call"
			android:contentDescription="@string/content_description_accept"
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_weight="1"
			android:padding="12dp"/>

		<LinearLayout
			android:id="@+id/declineUnlock"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:visibility="gone"
			android:orientation="horizontal"
			android:background="@color/colorD"
			android:paddingLeft="15dp"
			android:paddingTop="15dp"
			android:paddingBottom="15dp"
			android:layout_gravity="bottom">

			<ImageView
				android:id="@+id/arrow_hangup"
				android:src="@drawable/arrow_hangup"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:alpha="0.2"/>


			<ImageView
				android:src="@drawable/arrow_hangup"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:alpha="0.6"/>

			<ImageView
				android:src="@drawable/arrow_hangup"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"/>

		</LinearLayout>
	</LinearLayout>

</RelativeLayout>