Parallax scrolling either by offset or automatically

by androidexample

ParallaxScrollingView

Parallax scrolling either by offset or automatically.

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

How to use

1 add ParallaxScrollingView to your layout

<net.kibotu.parallaxscrollingview.ParallaxScrollingView
    android:id="@+id/wave1"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:speed="@dimen/wave1_speed"
    app:src="@drawable/ic_wave" />

2 (Optional) add ParallaxScrollingViewOnPageScrollListener) to ViewPager2

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

3(Optional) add OffsetOnPageScrollListener to ViewPager2

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

How to install

repositories {
    maven {
        url "https://jitpack.io"
    }
}

dependencies {
    implementation 'com.github.kibotu:ParallaxScrollingView:-SNAPSHOT'
}

GitHub