> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/android/get-started/faq/run-tools-source.md).

# How to integrate the Apryse libraries from source

World's #1 PDF SDK Library for Web, Mobile, Server, Desktop

The source code for the [Tools library](/android/get-started/get-started.md) can be integrated into your Android app and further customized to meet your needs.

## Integrate Apryse libraries from source

### Prerequisites

* An existing Android Studio project running in the latest version of [Android Studio](https://developer.android.com/studio/)
* Minimum API: 21 (using AndroidX)
* Compile API: 35
* Recommended target API: 35
* Downloaded the Apryse Android SDK:

Download the SDK

[Download](https://pdftron.s3.amazonaws.com/downloads/PDFNetAndroid.zip)

This guide will help you integrate the Tools library with your Android Studio project.

1. Add the following lines in your project's root-level `build.gradle` file.

{% tabs %}
{% tab title="Groovy" %}
{% code lineNumbers="true" %}

```groovy
allprojects {
    repositories {
        // ...
        flatDir {
            dirs '../libs'
        }
    }
}

// ...
ext.mySupportVersion = "1.3.1"
ext.myBuildToolsVersion = "30.0.2"
ext.myMinSdkVersion = 16
ext.myTargetSdkVersion = 34
ext.myCompileSdkVersion = 34

ext.pdfnetGroup = { dependencyHandler ->
    delegate = dependencyHandler

    implementation "com.pdftron:pdftron@aar"
}

ext.supportLibGroup = { dependencyHandler ->
    delegate = dependencyHandler

    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
    implementation 'androidx.appcompat:appcompat:$ext.mySupportVersion'
    implementation 'androidx.recyclerview:recyclerview:1.2.1'
    implementation 'com.google.android.material:material:1.13.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.0'
    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
    implementation "androidx.preference:preference:1.1.0"

    implementation "commons-io:commons-io:2.4"
    implementation "org.apache.commons:commons-lang3:3.18.0"
    implementation "com.google.code.gson:gson:2.8.0"
    implementation "io.reactivex.rxjava2:rxjava:2.2.2"
    implementation 'io.reactivex.rxjava2:rxandroid:2.1.0'
    implementation "com.github.clans:fab:1.6.4"
    implementation "androidx.exifinterface:exifinterface:1.3.3"
    implementation "com.squareup.picasso:picasso:2.71828"
    implementation "org.ccil.cowan.tagsoup:tagsoup:1.2.1"

    implementation 'androidx.multidex:multidex:2.0.1'
    implementation "androidx.room:room-runtime:2.4.2"
    annotationProcessor "androidx.room:room-compiler:2.4.2"
}
```

{% endcode %}
{% endtab %}
{% endtabs %}

1. Create a new folder named `libs` in your project's root directory, then copy the following files from the SDK package to this folder:

* Either `lib/full/pdftron.aar` or the file `lib/standard/pdftron.aar`. [You can read about the differences between the two versions here](/android/get-started/faq/full-vs-standard.md).

1. Open your project in Android Studio and go to **File > New > Import Module...** Import the `lib\src\PDFViewCtrlTools` library modules from the SDK package into your project.
2. Finally, add the MultiDex and Apryse library dependencies to your app by adding the following to your app's module level `build.gradle` file:

{% tabs %}
{% tab title="Groovy" %}
{% code lineNumbers="true" %}

```groovy
android {
    defaultConfig {
        // ...
        multiDexEnabled true
        vectorDrawables.useSupportLibrary = true
    }
}

dependencies {
    // ...
    pdfnetGroup dependencies
    supportLibGroup dependencies
    
    implementation project(':PDFViewCtrlTools')
}
```

{% endcode %}
{% endtab %}
{% endtabs %}

Your project is now running Apryse from source and you can start modifying the Apryse Android libraries in your project.

## Next Steps

* [Add a license key](/android/get-started/faq/add-license.md)
* Show a document in an [Activity](/android/open-save-document/open.md) or [Fragment](/android/open-save-document/open/fragment.md)


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