linphone-android/res/layout/assistant_remote_provisioning_login.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
			  xmlns:app="http://schemas.android.com/apk/res-auto"
				xmlns:tools="http://schemas.android.com/tools"
				android:layout_width="match_parent"
			  android:layout_height="match_parent"
			  android:layout_gravity="center"
			  android:background="@color/colorH"
			  android:gravity="center">

	<FrameLayout
		android:layout_width="match_parent"
		android:layout_height="match_parent">

		<SurfaceView
			android:id="@+id/qrcodeCaptureSurface"
			android:layout_width="match_parent"
			android:layout_height="match_parent"
			android:layout_alignParentTop="true"
			android:layout_weight="10"
			android:visibility="visible"/>

		<LinearLayout
			android:layout_width="match_parent"
			android:layout_height="match_parent"
			android:layout_alignParentTop="true"
			android:layout_gravity="center"
			android:orientation="vertical"
			android:layout_weight="0.1"
			android:gravity="center">

			<View
				android:layout_width="match_parent"
				android:layout_height="0dp"
				android:layout_weight="1"
				android:background="@color/colorH">
			</View>

			<RelativeLayout
				android:id="@+id/relative_layout1"
				android:layout_width="match_parent"
				android:layout_height="wrap_content"
				android:layout_alignParentStart="true"
				android:layout_alignParentTop="true"
				android:background="@color/colorH">

				<LinearLayout
					android:id="@+id/header_text"
					android:layout_width="match_parent"
					android:layout_height="120dp"
					android:layout_alignParentTop="true"
					android:layout_marginBottom="20dp"
					android:layout_marginEnd="35dp"
					android:layout_marginStart="35dp"
					android:layout_marginTop="30dp"
					android:gravity="center"
					android:orientation="horizontal">

					<ImageView
						android:id="@+id/imageView3"
						android:layout_width="65dp"
						android:layout_height="65dp"
						android:layout_alignParentStart="true"
						android:layout_centerVertical="true"
						android:src="@drawable/logo_secure_phone_big"/>

					<TextView
						android:id="@+id/textView2"
						android:layout_width="match_parent"
						android:layout_height="wrap_content"
						android:layout_alignParentEnd="true"
						android:layout_centerVertical="true"
						android:layout_marginLeft="10dp"
						android:text="Bienvenue sur
Mobile Security Intense"
						android:textColor="#595959"
						android:textSize="20sp"/>

				</LinearLayout>

				<TextView
					android:id="@+id/step"
					android:layout_width="wrap_content"
					android:layout_height="wrap_content"
					android:layout_below="@+id/header_text"
					android:layout_centerHorizontal="true"
					android:layout_marginTop="-20dp"
					android:paddingBottom="10dp"
					android:text="@string/assistant_step1"
					android:textColor="#ff6600"
					android:textSize="16.7sp"/>

				<TextView
					android:id="@+id/instruction"
					android:layout_width="match_parent"
					android:layout_height="wrap_content"
					android:layout_alignParentStart="true"
					android:layout_below="@+id/step"
					android:layout_marginBottom="50dp"
					android:gravity="center_vertical|center_horizontal"
					android:lineSpacingExtra="0sp"
					android:paddingEnd="35dp"
					android:paddingStart="35dp"
					android:text="@string/assistant_instruction1"
					android:textColor="#000000"
					android:textSize="20sp"/>
			</RelativeLayout>

			<RelativeLayout
				android:id="@+id/relative_layout2"
				android:layout_width="match_parent"
				android:layout_height="250dp"
				android:layout_alignParentStart="true"
				android:layout_below="@+id/relative_layout1">

				<LinearLayout
					android:id="@+id/bottom_text"
					android:layout_width="match_parent"
					android:layout_height="match_parent"
					android:layout_alignParentBottom="true"
					android:layout_centerHorizontal="true"
					android:layout_gravity="center"
					android:gravity="center"
					android:orientation="horizontal">

					<View
						android:layout_width="0dp"
						android:layout_height="match_parent"
						android:layout_weight="1"
						android:background="@color/colorH">
					</View>

					<ImageView
						android:id="@+id/imageView4"
						android:layout_width="250dp"
						android:layout_height="250dp"
						android:background="@color/transparent"
						android:src="@drawable/avatar_mask_border"
						android:visibility="visible"/>

					<RelativeLayout
						android:id="@+id/layout_button"
						android:layout_width="250dp"
						android:layout_height="match_parent"
						android:background="@color/colorH"
						android:visibility="gone">

						<Button
							android:id="@+id/retour"
							android:layout_width="match_parent"
							android:layout_height="40dp"
							android:layout_below="@+id/valider"
							android:background="#595959"
							android:text="retour"
							android:textColor="#ffffff"
							android:visibility="visible"/>

						<Button
							android:id="@+id/valider"
							android:layout_width="match_parent"
							android:layout_height="40dp"
							android:layout_below="@+id/code_sms"
							android:layout_marginBottom="15dp"
							android:background="#ff6600"
							android:text="valider"
							android:textColor="#ffffff"
							android:visibility="visible"/>

						<EditText
							android:id="@+id/code_sms"
							android:layout_width="match_parent"
							android:layout_height="40dp"
							android:layout_marginBottom="15dp"
							android:background="#f3f3f3"
							android:gravity="center"
							android:inputType="number"
							android:maxLines="1"
							android:textAlignment="center"
							android:textColor="@color/colorB"
							android:visibility="visible"/>
					</RelativeLayout>

					<View
						android:layout_width="0dp"
						android:layout_height="match_parent"
						android:layout_weight="1"
						android:background="@color/colorH">
					</View>

				</LinearLayout>
			</RelativeLayout>

			<View
				android:layout_width="match_parent"
				android:layout_height="0dp"
				android:layout_weight="1"
				android:background="@color/colorH">
			</View>
		</LinearLayout>

	</FrameLayout>

</RelativeLayout>