An android library to create or display apng

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Richard Kuiper 0a182b4194 Added duration and loop completed callback Added CustomAnimationDrawable that provides listener for callbacks. Added the duration for each frame which can override the png value Refactored some of the ApngAnimator to reuse code		2018-11-06 14:53:17 +00:00
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README.md

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:1.0.2'
 }

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

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