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This article describes how to set up the Payment Links SDK for Android.

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Requirements

Minimum target level24

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Step 1 | Import the SDK

To import the Android Payment Links SDK, add the following implementation to your build.gradle file: 
implementation("com.appcharge:android-payment-links:1.4.0")
Then add the following to your settings.gradle file: 
repositories {
    mavenCentral()
}

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Step 2 | Configure Permissions

In the Manifest file, add the necessary permissions to access the network state and enable incoming deeplink over HTTPS: 
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<queries>
        <intent>
            <action android:name="android.intent.action.VIEW" />
            <data android:scheme="https" />
        </intent>
</queries>

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Step 3 | Configure a URL Scheme

Next, add support for checkout activity and deeplink scheme: 
 <activity
    android:name="com.appcharge.paymentlinks.CheckoutActivity"
		android:configChanges="orientation|screenSize"
    android:screenOrientation="unspecified"
    android:exported="true"
    android:launchMode="singleTask"
    tools:ignore="DiscouragedApi">
    <!-- Custom scheme -->
    <intent-filter android:autoVerify="true">
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data android:scheme="acnative-{IDENTIFIER}"/>
        <data android:host="action"/>
        <data android:scheme="https"/>
    </intent-filter>
</activity>
The intent-filter includes a scheme "acnative-{IDENTIFIER}". Change the {IDENTIFIER} to the last sequence of your package name. For example, if your package name is com.appcharge.mysupergame, the identifier will be mysupergame.This name must be lowercase with no spaces, according to the Android code style guide.