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Out-of-band Authentication: Java Web SDK

HYPR SDK for Android: Web Authentication

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FIREBASE FIRST

Before proceeding with this document, please ensure that you've followed the steps in Configuring Push Notifications via Firebase and Enable Push Notification for Android.

Out-of-band (OOB) authentication provides the means to login to a web account on a browser via your mobile device.

By pairing your mobile device with your web account via OOB device setup, you can now login via OOB authentication with the following steps:

  1. Provide the web account username.
  2. Invoke the OOB authentication API; this will send a push notification to the mobile device prompting the mobile to authenticate.
  3. Upon successful authentication the web account will be unlocked.

Out-of-band Device Setup Flow

Pair your web account to your mobile device.

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Android Out-of-band Device Setup PIN Entry Screen:

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Out-of-band Authentication Flow

This is the flow for the mechanism that unlocks the web account:

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UI Customization

We can customize the OOB Device Setup screens via XML overrides. Each module has a corresponding XML file under app/<module_name>/src/main/res/layout. By creating a layout file with the same name as the one you want to override, the SDK will present the new layout file instead.

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Android IDs

If you are overriding the layout files, please make sure to keep all the android:ids with their respective view from the layout that you want to override as the SDK uses those IDs.

Overriding the Out-of-band Device Setup Screen

In the appropriate layout folder, create a file called hypr_common_view_single_pin.xml; you can now alter and add views. Here is an example with many of the properties already defined:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <RelativeLayout
        android:id="@+id/layout_movable_parent"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:id="@+id/hypr_pin_layout_pin_one"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_above="@+id/layout_pin_instructions_text"
            android:layout_gravity="center_horizontal"
            android:gravity="center_horizontal"
            android:orientation="horizontal">

            <com.hypr.hyprandroidcommon.uiadapter.ui.views.HyprStatefullEditText
                android:id="@+id/hypr_pin_editview_pin_one_first"
                style="@style/PinEditTextStyle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/hyprColorPinFocusedLine" />

            <com.hypr.hyprandroidcommon.uiadapter.ui.views.HyprStatefullEditText
                android:id="@+id/hypr_pin_editview_pin_one_second"
                style="@style/PinEditTextStyle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/hyprColorPinFocusedLine" />

            <com.hypr.hyprandroidcommon.uiadapter.ui.views.HyprStatefullEditText
                android:id="@+id/hypr_pin_editview_pin_one_third"
                style="@style/PinEditTextStyle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/hyprColorPinFocusedLine" />

            <com.hypr.hyprandroidcommon.uiadapter.ui.views.HyprStatefullEditText
                android:id="@+id/hypr_pin_editview_pin_one_fourth"
                style="@style/PinEditTextStyle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/hyprColorPinFocusedLine" />

            <com.hypr.hyprandroidcommon.uiadapter.ui.views.HyprStatefullEditText
                android:id="@+id/hypr_pin_editview_pin_one_fifth"
                style="@style/PinEditTextStyle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/hyprColorPinFocusedLine" />

            <com.hypr.hyprandroidcommon.uiadapter.ui.views.HyprStatefullEditText
                android:id="@+id/hypr_pin_editview_pin_one_sixth"
                style="@style/PinEditTextStyle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/hyprColorPinFocusedLine" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/layout_pin_instructions_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_above="@+id/hypr_common_view_cancel_button"
            android:layout_marginTop="@dimen/hypr_common_pin_instructions_text_margin_top"
            android:layout_marginBottom="@dimen/hypr_common_pin_instructions_text_margin_bottom"
            android:gravity="center_horizontal"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:fontFamily="@font/sharetech_regular"
                android:gravity="center_horizontal"
                android:text="@string/hypr_pin_instructions_title"
                android:textColor="@color/hyprColorTextPrimary"
                android:textSize="@dimen/hypr_common_license_entry_title_size" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:fontFamily="@font/sharetech_regular"
                android:gravity="center_horizontal"
                android:text="@string/hypr_pin_instructions_text"
                android:textColor="@color/hyprColorTextPrimary"
                android:textSize="@dimen/hypr_common_license_entry_desc_size" />

            <com.hypr.hyprandroidcommon.uiadapter.ui.icons.SetupWorkstationAndDevice
                android:layout_width="@dimen/hypr_common_license_entry_img_width"
                android:layout_height="@dimen/hypr_common_license_entry_img_height"
                android:layout_marginTop="@dimen/hypr_common_license_entry_img_margin_top"
                android:contentDescription="@string/hypr_todo_content_description"
                android:gravity="center_horizontal" />

        </LinearLayout>

        <include
            android:id="@+id/hypr_common_view_cancel_button"
            layout="@layout/hypr_common_view_cancel_button"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_above="@+id/view_pin_entry_text_buffer"
            android:layout_marginBottom="@dimen/hypr_common_pin_cancel_margin_bottom" />

        <View
            android:id="@+id/view_pin_entry_text_buffer"
            android:layout_width="match_parent"
            android:layout_height="@dimen/hypr_common_pin_buffer_view_height"
            android:layout_above="@+id/view_bottom_anchor"
            android:visibility="visible" />

        <View
            android:id="@+id/view_bottom_anchor"
            android:layout_width="match_parent"
            android:layout_height="@dimen/hypr_common_keyboard_divider_bar_height"
            android:layout_alignParentBottom="true"
            android:background="@color/hyprColorKeyboardAnchorView"
            android:visibility="invisible" />

    </RelativeLayout>

    <include layout="@layout/hypr_common_view_keyboard_layout" />
</RelativeLayout>
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Updated about 1 month ago