linphone-android/app/src/main/res/layout/dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android">

    <data>
        <import type="android.view.View"/>
        <variable
            name="viewModel"
            type="org.linphone.activities.main.viewmodels.DialogViewModel" />
    </data>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:focusable="true"
        android:clickable="true">

        <ImageView
            android:layout_width="60dp"
            android:layout_height="60dp"
            android:layout_margin="15dp"
            android:adjustViewBounds="true"
            android:contentDescription="@{viewModel.title}"
            android:src="@{viewModel.iconResource, default=@drawable/security_alert_indicator}"
            android:visibility="@{viewModel.showIcon ? View.VISIBLE : View.GONE}" />

        <TextView
            style="@style/dialog_title_font"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="15dp"
            android:gravity="center"
            android:textAlignment="center"
            android:text="@{viewModel.title, default=Title}"
            android:visibility="@{viewModel.showTitle ? View.VISIBLE : View.GONE}" />

        <TextView
            style="@style/dialog_message_font"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="15dp"
            android:gravity="center"
            android:textAlignment="center"
            android:text="@{viewModel.message, default=Message}"/>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_margin="5dp"
            android:orientation="vertical"
            android:visibility="@{viewModel.showZrtp ? View.VISIBLE : View.GONE, default=gone}">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:orientation="horizontal">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/dialog_zrtp_local_sas"
                    android:textAlignment="center"
                    android:textAppearance="@style/dialog_zrtp_white_font" />

                <TextView
                    android:text="@{viewModel.zrtpReadSas}"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="5dp"
                    android:textAppearance="@style/dialog_zrtp_colored_font" />

            </LinearLayout>

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:orientation="horizontal">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/dialog_zrtp_remote_sas"
                    android:textAlignment="center"
                    android:textAppearance="@style/dialog_zrtp_white_font" />

                <TextView
                    android:text="@{viewModel.zrtpListenSas}"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="5dp"
                    android:textAppearance="@style/dialog_zrtp_colored_font" />

            </LinearLayout>

        </LinearLayout>

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_margin="5dp"
            android:orientation="horizontal"
            android:visibility="@{viewModel.showDoNotAskAgain ? View.VISIBLE : View.GONE}">

            <CheckBox
                android:checked="@={viewModel.doNotAskAgain}"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:button="@drawable/checkbox" />

            <TextView
                style="@style/dialog_message_font"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"
                android:text="@string/dialog_do_not_ask_again" />

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_margin="15dp"
            android:gravity="center"
            android:orientation="horizontal">

            <TextView
                android:onClick="@{() -> viewModel.onCancelClicked()}"
                style="@style/dialog_cancel_button_font"
                android:layout_width="137dp"
                android:layout_height="wrap_content"
                android:layout_margin="10dp"
                android:gravity="center"
                android:background="@drawable/resizable_assistant_button"
                android:ellipsize="end"
                android:padding="10dp"
                android:text="@string/dialog_cancel"
                android:visibility="@{viewModel.showCancel ? View.VISIBLE : View.GONE}" />

            <TextView
                android:onClick="@{() -> viewModel.onDeleteClicked()}"
                style="@style/dialog_action_button_font"
                android:layout_width="137dp"
                android:layout_height="wrap_content"
                android:layout_margin="10dp"
                android:gravity="center"
                android:background="@drawable/resizable_assistant_button"
                android:backgroundTint="@color/red_color"
                android:ellipsize="end"
                android:padding="10dp"
                android:text="@{viewModel.deleteLabel ?? @string/dialog_delete, default=@string/dialog_delete}"
                android:visibility="@{viewModel.showDelete ? View.VISIBLE : View.GONE}" />

            <TextView
                android:onClick="@{() -> viewModel.onOkClicked()}"
                style="@style/dialog_action_button_font"
                android:layout_width="137dp"
                android:layout_height="wrap_content"
                android:layout_margin="10dp"
                android:gravity="center"
                android:background="@drawable/resizable_assistant_button"
                android:backgroundTint="@color/green_color"
                android:ellipsize="end"
                android:padding="10dp"
                android:text="@{viewModel.okLabel, default=OK}"
                android:visibility="@{viewModel.showOk ? View.VISIBLE : View.GONE}" />

        </LinearLayout>

    </LinearLayout>

</layout>