Kapng-Android

An android library to create or display apng

Exemple of apng :

How to use this library :

To load animated png to an imageview :

val imageUrl = "https://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png" // image url could be an url, or a file path. You could also load byteArray and file

val animator = ApngAnimator(this).loadInto(imageView)
animator.load(imageUrl)

animator.play()

To create animated png :

val apng = Apng()

val file1 = File("image path 1")
val file2 = File("image path 2")

apng.addFrames(BitmapFactory.decodeByteArray(file1.readBytes(), 0, file1.readBytes().size))
apng.addFrames(BitmapFactory.decodeByteArray(file2.readBytes(), 0, file2.readBytes().size))

val apngByteArray = apng.generateAPNGByteArray()
File("output file path").writeBytes(apngByteArray)

How to install : Via jitpack

repositories {
  maven { url "https://jitpack.io" }
 }
 
 dependencies {
  implementation 'com.github.oupson:Kapng-Android:1.0.3'
 }

Or put the aar file in /libs/ and verify that you have :

 dependencies {
   implementation fileTree(include: ['*.aar'], dir: 'libs')
 }