session-android/res/layout/activity_backup_restore.xml

<?xml version="1.0" encoding="utf-8"?>

<layout 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">
    <data>
        <import type="org.thoughtcrime.securesms.loki.activities.BackupRestoreViewModel"/>
        <import type="org.thoughtcrime.securesms.util.BackupUtil"/>
        <import type="android.view.View"/>
        <variable
            name="viewModel"
            type="org.thoughtcrime.securesms.loki.activities.BackupRestoreViewModel" />
    </data>

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

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

            <View
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="@dimen/very_large_spacing"
                android:layout_marginRight="@dimen/very_large_spacing"
                android:text="@string/activity_backup_restore_title"
                android:textColor="@color/text"
                android:textSize="@dimen/large_font_size"
                android:textStyle="bold" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="@dimen/very_large_spacing"
                android:layout_marginTop="4dp"
                android:layout_marginRight="@dimen/very_large_spacing"
                android:text="@string/activity_backup_restore_explanation_1"
                android:textColor="@color/text"
                android:textSize="@dimen/small_font_size" />

            <Button
                android:id="@+id/buttonSelectFile"
                style="@style/Button.Primary"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="@dimen/very_large_spacing"
                android:layout_marginTop="4dp"
                android:layout_marginRight="@dimen/very_large_spacing"
                android:textColor="@color/black"
                android:text="@{viewModel.backupFile != null ? BackupRestoreViewModel.uriToFileName(buttonSelectFile, viewModel.backupFile) : @string/activity_backup_restore_select_file}"
                tools:text="Select a file"
                />

            <EditText
                android:id="@+id/backupCode"
                style="@style/SmallSessionEditText"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginLeft="@dimen/very_large_spacing"
                android:layout_marginTop="10dp"
                android:layout_marginRight="@dimen/very_large_spacing"
                android:hint="@string/activity_backup_restore_passphrase"
                android:inputType="numberDecimal|textNoSuggestions"
                android:digits="0123456789"
                android:maxLength="@{BackupUtil.BACKUP_PASSPHRASE_LENGTH}"
                android:text="@={viewModel.backupPassphrase}"
                android:visibility="@{viewModel.backupFile != null ? View.VISIBLE : View.INVISIBLE}"/>

            <View
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1" />

            <Button
                android:id="@+id/restoreButton"
                style="@style/Widget.Session.Button.Common.ProminentFilled"
                android:layout_width="match_parent"
                android:layout_height="@dimen/medium_button_height"
                android:layout_marginLeft="@dimen/massive_spacing"
                android:layout_marginRight="@dimen/massive_spacing"
                android:text="@string/continue_2"
                android:visibility="@{BackupRestoreViewModel.validateData(viewModel.backupFile, viewModel.backupPassphrase) ? View.VISIBLE : View.INVISIBLE}"/>

            <TextView
                android:id="@+id/termsTextView"
                android:layout_width="match_parent"
                android:layout_height="@dimen/onboarding_button_bottom_offset"
                android:layout_marginLeft="@dimen/massive_spacing"
                android:layout_marginRight="@dimen/massive_spacing"
                android:gravity="center"
                android:text="By using this service, you agree to our Terms of Service and Privacy Policy"
                android:textColor="@color/text"
                android:textColorLink="@color/text"
                android:textSize="@dimen/very_small_font_size" /> <!-- Intentionally not yet translated -->

        </LinearLayout>

        <FrameLayout
            android:id="@+id/busyIndicator"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="#A4000000"
            android:visibility="@{viewModel.processingBackupFile == true ? View.VISIBLE : View.GONE}"
            tools:visibility="visible">

            <ProgressBar
                android:layout_width="64dp"
                android:layout_height="64dp"
                android:indeterminate="true"
                android:layout_gravity="center"/>

        </FrameLayout>

    </FrameLayout>

</layout>