https://github.com/kibotu/parallaxscrollingview

Parallax scrolling either by offset or automatically.
https://github.com/kibotu/parallaxscrollingview

acceleratered android gpu hacktoberfest hacktoberfest2023 kotlin parallax scrolling viewpager viewpager2

Last synced: 6 months ago
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Parallax scrolling either by offset or automatically.

• Host: GitHub
• URL: https://github.com/kibotu/parallaxscrollingview
• Owner: kibotu
• License: apache-2.0
• Created: 2019-09-12T12:47:04.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2023-11-06T10:02:13.000Z (almost 2 years ago)
• Last Synced: 2025-03-27T18:21:39.234Z (7 months ago)
• Topics: acceleratered, android, gpu, hacktoberfest, hacktoberfest2023, kotlin, parallax, scrolling, viewpager, viewpager2
• Language: Kotlin
• Homepage:
• Size: 20.4 MB
• Stars: 102
• Watchers: 5
• Forks: 14
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE

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README

          
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# ParallaxScrollingView [![](https://jitpack.io/v/kibotu/ParallaxScrollingView.svg)](https://jitpack.io/#kibotu/ParallaxScrollingView) [![](https://jitpack.io/v/kibotu/ParallaxScrollingView/month.svg)](https://jitpack.io/#kibotu/ParallaxScrollingView) [![Hits-of-Code](https://hitsofcode.com/github/kibotu/ParallaxScrollingView)](https://hitsofcode.com/view/github/kibotu/ParallaxScrollingView) [![Javadoc](https://img.shields.io/badge/javadoc-SNAPSHOT-green.svg)](https://jitpack.io/com/github/kibotu/ParallaxScrollingView/master-SNAPSHOT/javadoc/index.html) [![Build Status](https://travis-ci.org/kibotu/ParallaxScrollingView.svg)](https://travis-ci.org/kibotu/ParallaxScrollingView)  [![API](https://img.shields.io/badge/API-16%2B-brightgreen.svg?style=flat)](https://android-arsenal.com/api?level=15) [![Gradle Version](https://img.shields.io/badge/gradle-5.6.1-green.svg)](https://docs.gradle.org/current/release-notes)  [![Kotlin](https://img.shields.io/badge/kotlin-1.3.50-green.svg)](https://kotlinlang.org/) [![GitHub license](https://img.shields.io/badge/license-Apache%202-blue.svg)](https://raw.githubusercontent.com/kibotu/ParallaxScrollingView/master/LICENSE) [![androidx](https://img.shields.io/badge/androidx-brightgreen.svg)](https://developer.android.com/topic/libraries/support-library/refactor)

Parallax Scrolling View.

- automatic scrolling with different speeds

- minimal integration

- gpu accelerated

- supports vector drawables

- supports bitmap drawables

- supports ViewPager2

- argb interpolated gradient on viewpager scrolling

- updates statusBar color on scroll

[![Screenshot](https://github.com/kibotu/ParallaxScrollingView/raw/master/sample_big.gif)](https://github.com/kibotu/ParallaxScrollingView/raw/master/sample_big.gif)

### How to use

1 add ParallaxScrollingView to [your layout](app/src/main/res/layout/activity_main.xml#L21-L82)

```xml

```

2 (Optional) add [ParallaxScrollingViewOnPageScrollListener](app/src/main/java/net/kibotu/parallaxscrollingview/demo/MainActivity.kt#L28)) to ViewPager2

```kotlin

viewPager.registerOnPageChangeCallback(ParallaxScrollingViewOnPageScrollListener(listOf(wave1, wave2, wave3, wave4, wave5, wave6), 2f))

```

3(Optional) add [OffsetOnPageScrollListener](app/src/main/java/net/kibotu/parallaxscrollingview/demo/MainActivity.kt#L30) to ViewPager2

```kotlin

viewPager.registerOnPageChangeCallback(OffsetOnPageScrollListener(this, root, items.indices.map { backgrounds[it] }, true))

```

### How to install

```groovy

repositories {

    maven {

	url "https://jitpack.io"

    }

}

dependencies {

    implementation 'com.github.kibotu:ParallaxScrollingView:-SNAPSHOT'

}

```

### Notes

Follow me on Twitter: [@wolkenschauer](https://twitter.com/wolkenschauer)

Let me know what you think: [jan.rabe@kibotu.net](mailto:jan.rabe@kibotu.net)

Contributions welcome!

### License


Copyright 2019 Jan Rabe


Licensed under the Apache License, Version 2.0 (the "License");

you may not use this file except in compliance with the License.

You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an "AS IS" BASIS,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

See the License for the specific language governing permissions and

limitations under the License.