# DeviceConnect: Android

Device Connect Android SDK is used to collect anonymised non-PII data from the devices of the users after taking explicit user consent.

# Requirements

Device Connect Android SDK works on Android 5.0+ (API level 21+), on Java 8+ and AndroidX. In addition to the changes, enable desugaring so that our SDK can run smoothly on Android 7.0 and versions below.

Kotlin
Groovy

android {
    ...
    defaultConfig {
        ...
        // Minimum 5.0+ devices
        minSdkVersion(21)
        ...
    }
    ...
    compileOptions {
        // Flag to enable support for the new language APIs
        coreLibraryDesugaringEnabled = true
        // Sets Java compatibility to Java 8
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
    // For Kotlin projects
    kotlinOptions {
        jvmTarget = "1.8"
    }
}

dependencies {
    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:1.1.5")
}

# Adding Dependency

In the project level build.gradle file, add the repository URLs to all allprojects block.

Kotlin
Groovy

maven {
    setUrl("s3://risk-manager-android-sdk/artifacts")
    credentials(AwsCredentials::class) {
        accessKey = <ACCESS_KEY>
        secretKey = <SECRET_KEY>
    }
    content {
        includeGroup("in.finbox")
    }
}

Now add the dependency to module level build.gradle.kts or build.gradle file:

Kotlin
Groovy

implementation("in.finbox:mobileriskmanager:<DC_SDK_VERSION>:parent-release@aar") {
    isTransitive = true
}
implementation("in.finbox:common:<COMMON_SDK_VERSION>:<COMMON_FLAVOR>-release@aar") {
    isTransitive = true
}
implementation("in.finbox:logger:<LOGGER_SDK_VERSION>:parent-release@aar") {
    isTransitive = true
}

NOTE

Following will be shared by FinBox team at the time of integration:

ACCESS_KEY
SECRET_KEY
DC_SDK_VERSION
COMMON_SDK_VERSION
COMMON_FLAVOR
LOGGER_SDK_VERSION
CLIENT_API_KEY

# Create User

Call createUser method to create the user. It takes Client Api Key and Customer Id as the arguments.

IMPORTANT

Please make sure CUSTOMER_ID is not more than 64 characters and is alphanumeric (with no special characters). Also it should never be null or a blank string "".

The response to this method (success or failure) can be captured using the callback FinBoxAuthCallback.

Kotlin
Java

FinBox.createUser("CLIENT_API_KEY", "CUSTOMER_ID",
    object : FinBox.FinBoxAuthCallback {
        override fun onSuccess(accessToken: String) {
            // Authentication is success
        }
        
        override fun onError(@FinBoxErrorCode errorCode: Int) {
            // Authentication failed
        }
    })

You can read about the errors in the Error Codes section.

# Start Periodic Sync

This is to be called only on a successful response to createUser method's callback. On calling this the syncs will start for all the data sources configured as per permissions. The method below syncs data in the background at regular intervals.

Kotlin
Java

val finbox = FinBox()
finbox.startPeriodicSync()

# Match Details on Device

Device matching enables additional pattern recognition to match email, phone numbers and name. The matching happens on the device and the user phone numbers, email addresses won't leave the device.

Create the builder by passing email address, phone number and name of the customer.

Kotlin
Java

val deviceMatch = DeviceMatch.Builder().apply {
    setEmail("useremail@gmail.com")
    setName("Full Name")
    setPhone("9999999999")
}.build()

Once the in-device values are set, call setDeviceMatch before starting the syncs.

Kotlin
Java

finBox.setDeviceMatch(deviceMatch)

TIP

For Device Match to work at full potential, the SDK expects android.permission.READ_CONTACTS, android.permission.GET_ACCOUNTS, android.permission.READ_SMS to be accepted by the user.

# Forward Notifications to SDK

In certain cases, FinBox server requests critical data from SDK directly (other than scheduled sync period), to make sure this works it is required to forward FCM Notifications to SDK.

Add the following lines inside the overridden onMessageReceived method available in the service that extends FirebaseMessagingService.

Kotlin
Java

if (MessagingService.forwardToFinBoxSDK(remoteMessage.data)) {
    val firebaseMessagingService = MessagingService(this)
    firebaseMessagingService.onMessageReceived(remoteMessage.data)
} else {
    // Rest of your FCM logic
}

# Multi-Process Support

DeviceConnect uses a content provider to auto initialize the SDK. The limitation with the OS is that content providers are only initialized once in a multi-process application and from the main process. For this reason, any calls to the SDK from other processes will lead to unstable behavior.

In case, you want to use the SDK from a process other than the main process, follow the two steps mentioned below to initialize the SDK.

# Remove the Content Provider

Remove the content provider that auto initializes the SDK from the Android Manifest file.

<provider
    android:name="in.finbox.mobileriskmanager.init.AutoInitProvider"
    android:authorities="in.finbox.lenderapplication.riskmanagerprovider"
    android:enabled="true"
    android:exported="false"
    tools:node="remove" />

# Initialize the SDK

Initialize the FinBox SDK in the onCreate method of Application class.

Kotlin
Java

FinBox.initLibrary(this)

# Cancel Periodic Sync

If you have already set up the sync for the user, cancel the syncs using stopPeriodicSync method.

Kotlin
Java

finbox.stopPeriodicSync()

# Handle Sync Frequency

By default sync frequency is set to 8 hours, you can modify it by passing preferred time in seconds as an argument to setSyncFrequency method once the user is created.

Kotlin
Java

finbox.setSyncFrequency(12 * 60 * 60)

# Reset User Data

In case the user data needs to be removed on the device so that you can re-sync the entire data, use the method resetData.

Kotlin
Java

FinBox.resetData()

# Forget User

In case the user choose to be forgotten, use the method forgetUser. This will delete the user details in our system.

Kotlin
Java

FinBox.forgetUser()

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