ring-android/app/src/main/res/layout/frag_about.xml

<?xml version="1.0" encoding="utf-8"?><!-- Copyright (C) 2016-2019 Savoir-faire Linux Inc.

Author: Adrien Beraud <adrien.beraud@savoirfairelinux.com>
        Alexandre Lision <alexandre.lision@savoirfairelinux.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
-->

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:paddingTop="8dp"
        android:paddingBottom="8dp">

        <ImageView
            android:id="@+id/logo"
            android:layout_width="wrap_content"
            android:layout_height="80dp"
            android:layout_gravity="center_horizontal"
            android:layout_marginTop="5dp"
            android:contentDescription="@string/app_name"
            android:maxWidth="250dp"
            android:scaleType="fitCenter"
            app:srcCompat="@drawable/ic_jami_full_logo" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="16dp"
            android:text="@string/description"
            android:textAlignment="center" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="@dimen/padding_small"
            android:gravity="center_vertical"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/version_section"
                android:textColor="@color/color_primary_dark"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/release"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="?android:attr/textAppearanceSmall" />

        </LinearLayout>

        <LinearLayout
            android:id="@+id/contribute_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="@dimen/padding_small"
            android:background="?attr/selectableItemBackground"
            android:clickable="true"
            android:focusable="true"
            android:gravity="center_vertical"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/contribute_section"
                android:textColor="@color/color_primary_dark"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/web_site"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/app_website_contribute"
                android:textAppearance="?android:attr/textAppearanceSmall" />

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="@dimen/padding_small"
            android:gravity="center_vertical"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/copyright_section"
                android:textColor="@color/color_primary_dark"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/copyright"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/copyright"
                android:textAppearance="?android:attr/textAppearanceSmall" />

        </LinearLayout>

        <LinearLayout
            android:id="@+id/license_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="@dimen/padding_small"
            android:background="?attr/selectableItemBackground"
            android:clickable="true"
            android:focusable="true"
            android:gravity="center_vertical"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/section_license"
                android:textColor="@color/color_primary_dark"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/license"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:singleLine="false"
                android:text="@string/license" />

        </LinearLayout>

        <LinearLayout
            android:id="@+id/email_report_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="@dimen/padding_small"
            android:background="?attr/selectableItemBackground"
            android:clickable="true"
            android:focusable="true"
            android:gravity="center_vertical"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:clickable="false"
                android:text="@string/feedback_section"
                android:textColor="@color/color_primary_dark"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/email_report"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:clickable="false"
                android:text="@string/report" />

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="@dimen/padding_small"
            android:gravity="center_vertical"
            android:orientation="vertical">

            <TextView
                android:id="@+id/developped_by"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center_vertical"
                android:text="@string/sponsor_section"
                android:textColor="@color/color_primary_dark"
                android:textSize="15sp" />

            <ImageView
                android:id="@+id/sfl_logo"
                android:layout_width="200dp"
                android:layout_height="50dp"
                android:layout_gravity="center_horizontal"
                android:layout_marginTop="5dp"
                android:contentDescription="@string/app_author"
                android:maxWidth="250dp"
                android:scaleType="fitCenter"
                android:src="@drawable/logo_sfl_coul_rgb" />

        </LinearLayout>

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/credits"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:paddingLeft="24dp"
            android:paddingRight="24dp"
            android:text="@string/credits"
            android:theme="@style/ButtonColoredInverse" />

    </LinearLayout>
</ScrollView>