> For the complete documentation index, see [llms.txt](https://docs.recognito.vision/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.recognito.vision/id-document-recognition-sdk/integration-guide/android/licensing.md).

# Licensing

{% hint style="info" %}
Click [Here ](/license-option.md)to get details about RECOGNITO license option

[License Option](/license-option.md)
{% endhint %}

## Get your Application ID

To activate SDK, you have to first get your Application ID in your `build.gradle` file:

```gradle
android {
    namespace 'com.bio.idcardrecognition'
    compileSdk 34

    defaultConfig {
        applicationId "com.bio.idcardrecognition"
        minSdk 24
        targetSdk 34
        versionCode 5
        versionName "1.4"
```

## Request License

Share your Application ID with us for license key.

[**Contact us**](/contact-and-support.md)

## Activate SDK

[Activate](/id-document-recognition-sdk/integration-guide/android/api-reference.md#setactivation) the SDK with license key. Should be called before using of any other functions.

{% code title="MainActivity.kt" %}

```kotlin
class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        var ret = IDSDK.setActivation(
            "B3sUmGfASlu/p01TNEJxGHP/WTUk5NORuqgfggB25LQPYQBJzdw1lgiFfkE71/+8YhOKdU9wDVbY" +
            "pe/QHf/VbzO3Of7dME9gKjF2H3aNPHY90XNspz7iT1ntf5qd/STCbJVRJAorwBtPE7+BO3cHdVm8" +
            "CLFSclyUEI3/aiXLiT448B+KjvgEoX0CDswVOzpEVYmYphcUX+AbJQ135ostxmaZOMOhEtALEQYH" +
            "+SEIKrn/2+KOYsinZMOOvSWpeSnIrYj3z/AYHhKyR9doYEyCtc7qDwH9NPX3UC5WZc81ewc/K0JO" +
            "Lpe3a9tpGgFtLFEtVB4BwZdivnTf67BZZMMcAQ=="
        )
        if(ret  == IDSDK.SDK_SUCCESS) {
            ret = IDSDK.init(this)
        }

```

{% endcode %}