SignatureView

SignatureView is an open source Android library which allow developers to produce pen and paper like effect for creating signatures on Android

Credits

This is just an updated version of SignatureView and applying some of the active pull requests in it. Credits go completely to its creator and the people who has contributed with those pull requests.

Setup

• Step 1. Add the JitPack repository to your build file

  Add it in your root build.gradle at the end of repositories:

  allprojects {
    repositories {
      ...
      maven { url 'https://jitpack.io' }
      }
  }

Gradle

• Step 2. Add the dependency

  dependencies {
    implementation 'com.github.leodan11:SignatureView:Tag'
  }

Kotlin

• Step 2. Add the dependency

  dependencies {
    implementation("com.github.leodan11:SignatureView:$Tag")
  }

Attributes

SignatureView offers several attributes for a deeper view configuration, the following table shows all these options and their default value.

Name	Description	Values	Default
signature_view_toBackgroundColor	Set background color	color	Color.WHITE
signature_view_toEnable	Enable/disable drawing signature on view	boolean	true
signature_view_toPenColor	Set pen stroke color	color	Color.BLACK
signature_view_toPenSize	Set pen stroke size	dimension	3dp

Usage

• Include SignatureView in a layout xml file:

<com.github.leodan11.view.SignatureView
    android:id="@+id/signature_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

More settings example

<com.github.leodan11.view.SignatureView
    android:id="@+id/signature_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:toBackgroundColor="?attr/backgroundColor"
    app:toEnable="true"
    app:toPenColor="?attr/colorPrimary"
    app:toPenSize="3dp" />

Code

• Include SignatureView:

    val signatureView: SignatureView = findViewById(R.id.signature_view)

• Clear screen

    signatureView.clearCanvas()

• Is Bitmap Empty

//Kotlin
signatureView.isBitmapEmpty

//Java
Boolean isEmpty = signatureView.isBitmapEmpty();

• Get SignatureView as bitmap

//Kotlin
val bitmap: Bitmap = signatureView.signatureBitmap

//Java
Bitmap bitmap = signatureView.getSignatureBitmap();