---
title: "Signature Parcelize"
canonical_url: "https://www.nutrient.io/guides/android/samples/signature-parcelize-kotlin/"
md_url: "https://www.nutrient.io/guides/android/samples/signature-parcelize-kotlin.md"
last_updated: "2026-05-15T19:10:04.916Z"
description: "Create a stamp signature and verify it parcelizes correctly when passing between activities."
---

# Signature Parcelize

Create a stamp signature and verify it parcelizes correctly when passing between activities.

[Get Started](https://www.nutrient.io/sdk/android/getting-started.md)

[All Samples](https://www.nutrient.io/guides/android/samples.md)

[Download](https://www.nutrient.io/guides/android/downloads.md)

[Launch Demo](https://www.nutrient.io/demo/)

---

```kotlin

/*
 *   Copyright © 2025-2026 PSPDFKit GmbH. All rights reserved.
 *
 *   The PSPDFKit Sample applications are licensed with a modified BSD license.
 *   Please see License for details. This notice may not be removed from this file.
 */

package com.pspdfkit.catalog.examples.kotlin

import android.app.Activity.RESULT_OK
import android.content.Context
import android.content.Intent
import android.graphics.RectF
import android.net.Uri
import android.os.Build
import android.os.Bundle
import android.util.Log
import android.widget.Button
import androidx.activity.result.contract.ActivityResultContract
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.ContextCompat
import androidx.core.graphics.drawable.toBitmap
import com.pspdfkit.catalog.R
import com.pspdfkit.catalog.SdkExample
import com.pspdfkit.catalog.examples.kotlin.SignatureActivityContract.Companion.RESULT_EXTRA_SIGNATURE
import com.pspdfkit.catalog.tasks.ExtractAssetTask
import com.pspdfkit.configuration.activity.PdfActivityConfiguration
import com.pspdfkit.configuration.activity.TabBarHidingMode
import com.pspdfkit.signatures.Signature
import com.pspdfkit.signatures.Signature.Companion.createStampSignature
import com.pspdfkit.ui.PdfActivity
import com.pspdfkit.ui.PdfActivityIntentBuilder

/**
 * Shows how to build Signature object and pass between activities.
 * This use case demonstrated that Signature object can be properly written to and created from Parcel.
 */
class CustomSignatureParseExample(context: Context) :
    SdkExample(
        context,
        R.string.customSignatureParseExampleTitle,
        R.string.customSignatureParseExampleBody,
    ) {
    override fun launchExample(context: Context, configuration: PdfActivityConfiguration.Builder) {
        configuration.layout(R.layout.custom_example_signature_parse_activity)
        configuration.navigationButtonsEnabled(false)
        configuration.setTabBarHidingMode(TabBarHidingMode.HIDE)
        configuration.contentEditingEnabled(false)
        configuration.setMeasurementToolsEnabled(false)

        ExtractAssetTask.extract(WELCOME_DOC, title, context) { documentFile ->
            val intent =
                PdfActivityIntentBuilder.fromUri(context, Uri.fromFile(documentFile)).configuration(configuration.build()).activityClass(CustomSignatureParseActivity::class).build()
            context.startActivity(intent)
        }
    }
}

class CustomSignatureParseActivity : PdfActivity() {
    private val addSignatureContract =
        registerForActivityResult(SignatureActivityContract()) { signature ->
            Log.d("CustomSignatureParseActivity", signature.toString())
        }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        findViewById<Button>(R.id.add_signature_button).setOnClickListener {
            addSignatureContract.launch("tag")
        }

        addSignatureContract.contract
    }
}

class SignatureActivityContract : ActivityResultContract<String, Signature?>() {
    override fun createIntent(context: Context, input: String): Intent = Intent(context, ResultSignatureActivity::class.java)

    override fun parseResult(resultCode: Int, intent: Intent?): Signature? = if (resultCode == RESULT_OK) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
            val signature =
                intent?.extras?.getParcelable(
                    RESULT_EXTRA_SIGNATURE,
                    Signature::class.java,
                )
            signature?.let {
                println("Correctly parsed signature $signature")
            }
            signature
        } else {
            @Suppress("DEPRECATION")
            intent?.extras?.getParcelable(RESULT_EXTRA_SIGNATURE)
        }
    } else {
        null
    }

    companion object {
        const val RESULT_EXTRA_SIGNATURE = "SignatureActivityContract.RESULT_EXTRA_SIGNATURE"
    }
}

class ResultSignatureActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.custom_example_parse_activity)

        findViewById<Button>(R.id.return_signature_button).setOnClickListener {
            val signatureBitmap =
                ContextCompat.getDrawable(
                        this@ResultSignatureActivity,
                        R.drawable.mock_page,
                    )?.toBitmap()!!

            val (width, height) = signatureBitmap.width to signatureBitmap.height
            val signature =
                createStampSignature(
                    bitmap = signatureBitmap,
                    stampRect = RectF(0f, 0f, width.toFloat(), height.toFloat()),
                    biometricSignatureData = null,
                    drawWidthRatio = 1f,
                )

            setResult(RESULT_OK, Intent().putExtra(RESULT_EXTRA_SIGNATURE, signature))
            finish()
        }
    }
}

```

This code sample is an example that illustrates how to use our SDK. Please adapt it to your specific use case.

---

## Related pages

- [Application Policy](/guides/android/samples/application-policy-kotlin.md)
- [Custom Form Highlight Color](/guides/android/samples/custom-form-highlight-color-java.md)
- [Custom Page Templates](/guides/android/samples/custom-page-templates-java.md)
- [Digital Signature (Basic)](/guides/android/samples/digital-signature-basic-kotlin.md)
- [Disabled Annotation Property](/guides/android/samples/disabled-annotation-property-java.md)
- [Image Document](/guides/android/samples/image-document-kotlin.md)
- [Compose Image Document](/guides/android/samples/compose-image-document-kotlin.md)
- [Inline Multimedia](/guides/android/samples/inline-multimedia-kotlin.md)
- [JavaScript Form Filling](/guides/android/samples/javascript-form-filling-kotlin.md)
- [Overlay Visibility](/guides/android/samples/overlay-visibility-kotlin.md)
- [PdfFragment](/guides/android/samples/pdffragment-kotlin.md)
- [Reader View](/guides/android/samples/reader-view-kotlin.md)
- [Playground](/guides/android/samples/playground-kotlin.md)
- [JavaScript Calculator](/guides/android/samples/javascript-calculator-kotlin.md)
- [Text Field Suggestions](/guides/android/samples/text-field-suggestions-kotlin.md)
- [Thumbnail Bar Modes](/guides/android/samples/thumbnail-bar-modes-kotlin.md)
- [Signature Storage Database](/guides/android/samples/signature-storage-database-kotlin.md)
- [Selection Customization](/guides/android/samples/selection-customization-java.md)
- [Password Protected PDF](/guides/android/samples/password-protected-pdf-kotlin.md)
- [Scientific Paper](/guides/android/samples/scientific-paper-kotlin.md)
- [Try Instant](/guides/android/samples/try-instant-kotlin.md)
- [Merge Documents](/guides/android/samples/merge-documents-kotlin.md)
- [Annotation Rendering](/guides/android/samples/annotation-rendering-kotlin.md)
- [Custom Data Provider](/guides/android/samples/custom-data-provider-kotlin.md)
- [Annotations with Transparency](/guides/android/samples/annotations-with-transparency-kotlin.md)
- [Annotation Flags](/guides/android/samples/annotation-flags-kotlin.md)
- [AI Assistant (Multiple Documents, ViewPager)](/guides/android/samples/ai-assistant-multiple-documents-viewpager-kotlin.md)
- [Custom Sharing Menu](/guides/android/samples/custom-sharing-menu-java.md)
- [Add LTV to Existing Signature](/guides/android/samples/add-ltv-to-existing-signature-kotlin.md)
- [Custom Toolbar Grouping](/guides/android/samples/custom-toolbar-grouping-java.md)
- [Custom Layout](/guides/android/samples/custom-layout-kotlin.md)
- [Custom ActionBar Actions](/guides/android/samples/custom-actionbar-actions-kotlin.md)
- [Custom Activity Toolbars](/guides/android/samples/custom-activity-toolbars-java.md)
- [Custom Note Hinter](/guides/android/samples/custom-note-hinter-kotlin.md)
- [Custom Main Toolbar](/guides/android/samples/custom-main-toolbar-kotlin.md)
- [Annotation Configuration](/guides/android/samples/annotation-configuration-kotlin.md)
- [Annotation Selection Styling](/guides/android/samples/annotation-selection-styling-kotlin.md)
- [Custom Search UI (Compose)](/guides/android/samples/custom-search-ui-compose-kotlin.md)
- [Document Switcher](/guides/android/samples/document-switcher-java.md)
- [File Annotation Creation](/guides/android/samples/file-annotation-creation-kotlin.md)
- [Dynamic Pages on Scroll](/guides/android/samples/dynamic-pages-on-scroll-kotlin.md)
- [Custom Activity Form Editing](/guides/android/samples/custom-activity-form-editing-java.md)
- [Custom Stamp Annotations](/guides/android/samples/custom-stamp-annotations-java.md)
- [Custom Outline Provider](/guides/android/samples/custom-outline-provider-kotlin.md)
- [Compose Navigation](/guides/android/samples/compose-navigation-kotlin.md)
- [Fragment Runtime Configuration](/guides/android/samples/fragment-runtime-configuration-kotlin.md)
- [Annotation Overlay](/guides/android/samples/annotation-overlay-java.md)
- [Instant Document JSON](/guides/android/samples/instant-document-json-kotlin.md)
- [DocumentView Composable](/guides/android/samples/documentview-composable-kotlin.md)
- [Form Creation](/guides/android/samples/form-creation-kotlin.md)
- [Document Download](/guides/android/samples/document-download-kotlin.md)
- [JavaScript Actions](/guides/android/samples/javascript-actions-kotlin.md)
- [Instant JSON Attachment](/guides/android/samples/instant-json-attachment-kotlin.md)
- [Digital Signature (Manual)](/guides/android/samples/digital-signature-manual-kotlin.md)
- [Digital Signature (Third-Party)](/guides/android/samples/digital-signature-third-party-kotlin.md)
- [Inline Search](/guides/android/samples/inline-search-java.md)
- [Form Filling](/guides/android/samples/form-filling-kotlin.md)
- [Form Click Intercept (Compose)](/guides/android/samples/form-click-intercept-compose-kotlin.md)
- [Document Sharing](/guides/android/samples/document-sharing-java.md)
- [Custom Download Dialog](/guides/android/samples/custom-download-dialog-java.md)
- [Download Progress](/guides/android/samples/download-progress-kotlin.md)
- [Popup Toolbar Customization](/guides/android/samples/popup-toolbar-customization-kotlin.md)
- [Custom Sharing Dialog](/guides/android/samples/custom-sharing-dialog-java.md)
- [PDF from Image](/guides/android/samples/pdf-from-image-kotlin.md)
- [Digital Signature (Two-Step)](/guides/android/samples/digital-signature-two-step-kotlin.md)
- [Remote URL](/guides/android/samples/remote-url-kotlin.md)
- [PdfUiFragment](/guides/android/samples/pdfuifragment-kotlin.md)
- [Runtime Configuration](/guides/android/samples/runtime-configuration-kotlin.md)
- [Sound Extraction](/guides/android/samples/sound-extraction-kotlin.md)
- [Document from Canvas](/guides/android/samples/document-from-canvas-kotlin.md)
- [Tabbed Documents](/guides/android/samples/tabbed-documents-kotlin.md)
- [Watermarks](/guides/android/samples/watermarks-kotlin.md)
- [Programmatic Zoom](/guides/android/samples/programmatic-zoom-kotlin.md)
- [OCR](/guides/android/samples/ocr-kotlin.md)
- [Vertical Scrollbar](/guides/android/samples/vertical-scrollbar-java.md)
- [Split View](/guides/android/samples/split-view-java.md)
- [XFDF Import/Export](/guides/android/samples/xfdf-import-export-kotlin.md)
- [UI View Modes](/guides/android/samples/ui-view-modes-kotlin.md)
- [LTV Signature](/guides/android/samples/ltv-signature-kotlin.md)
- [Bookmark Highlighting](/guides/android/samples/bookmark-highlighting-kotlin.md)
- [Custom Annotation Inspector](/guides/android/samples/custom-annotation-inspector-java.md)
- [Annotation Sidebar](/guides/android/samples/annotation-sidebar-kotlin.md)
- [AI Assistant (Single Document)](/guides/android/samples/ai-assistant-single-document-kotlin.md)
- [AI Assistant (Multiple Documents, Compose)](/guides/android/samples/ai-assistant-multiple-documents-compose-kotlin.md)
- [Document Comparison](/guides/android/samples/document-comparison-kotlin.md)
- [Document Processing](/guides/android/samples/document-processing-kotlin.md)
- [Custom Annotation Creation Toolbar](/guides/android/samples/custom-annotation-creation-toolbar-java.md)
- [Custom Electronic Signature](/guides/android/samples/custom-electronic-signature-java.md)
- [E-Learning](/guides/android/samples/e-learning-kotlin.md)
- [Electronic + Digital Signing](/guides/android/samples/electronic-digital-signing-kotlin.md)
- [Generate PDF Report](/guides/android/samples/generate-pdf-report-kotlin.md)
- [Multimedia Annotations](/guides/android/samples/multimedia-annotations-kotlin.md)
- [Forms with JavaScript](/guides/android/samples/forms-with-javascript-kotlin.md)
- [External Document](/guides/android/samples/external-document-kotlin.md)
- [Overlay Views](/guides/android/samples/overlay-views-kotlin.md)
- [Kiosk Grid](/guides/android/samples/kiosk-grid-kotlin.md)
- [Search Indexing](/guides/android/samples/search-indexing-kotlin.md)
- [Annotation Creation](/guides/android/samples/annotation-creation-kotlin.md)
- [Filterable Thumbnail Grid](/guides/android/samples/filterable-thumbnail-grid-kotlin.md)
- [Tabbed Documents (Persistent)](/guides/android/samples/tabbed-documents-persistent-kotlin.md)
- [Measurement Tools](/guides/android/samples/measurement-tools-kotlin.md)
- [HTML-to-PDF Conversion](/guides/android/samples/html-to-pdf-conversion-kotlin.md)
- [AES Encrypted File](/guides/android/samples/aes-encrypted-file-java.md)
- [Construction Floor Plan](/guides/android/samples/construction-floor-plan-kotlin.md)
- [Hide and Reveal Areas](/guides/android/samples/hide-and-reveal-areas-kotlin.md)
- [Multiple Documents (Compose Pager)](/guides/android/samples/multiple-documents-compose-pager-kotlin.md)
- [Screen Reader](/guides/android/samples/screen-reader-java.md)
- [Custom Search UI (Views)](/guides/android/samples/custom-search-ui-views-java.md)