Dropdown

💧A customizable jetpack compose dropdown menu with cascade and animations.

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Include in your project

Maven Central

Gradle

Add the dependency below to your module‘s build.gradle file:

dependencies {
    implementation("io.github.androidpoet:dropdown:1.0.0")
}

Create Menu Builder

Create an instance of the Menu Builder.

	    
fun getMenu(): MenuItem<String> {
  val menu = dropDownMenu<String> {
    item("about", "About") {
      icon(Icons.TwoTone.Language)
    }
    item("copy", "Copy") {
      icon(Icons.TwoTone.FileCopy)
    }
    item("share", "Share") {
      icon(Icons.TwoTone.Share)
      item("to_clipboard", "To clipboard") {
        item("pdf", "PDF")
        item("epub", "EPUB")
        item("web_page", "Web page")
        item("microsoft_word", "Microsoft word")
      }
      item("as_a_file", "As a file") {
        item("pdf", "PDF")
        item("epub", "EPUB")
        item("web_page", "Web page")
        item("microsoft_word", "Microsoft word")
      }
    }
    item("remove", "Remove") {
      icon(Icons.TwoTone.DeleteSweep)
      item("yep", "Yep") {
        icon(Icons.TwoTone.Done)
      }
      item("go_back", "Go back") {
        icon(Icons.TwoTone.Close)
      }
    }
  }
  return menu
}
	  
	  

Create Dropdown menu

Create an instance of the Dropdown menu.

@ExperimentalAnimationApi
@Composable
fun Menu(isOpen: Boolean = false, setIsOpen: (Boolean) -> Unit, itemSelected: (String) -> Unit) {
  val menu = getMenu()
  Dropdown(

    isOpen = isOpen,
    menu = menu,
    colors = dropDownMenuColors(Teal200, White),
    onItemSelected = itemSelected,
    onDismiss = { setIsOpen(false) },
    offset = DpOffset(8.dp, 0.dp),
    enter = EnterAnimation.ElevationScale,
    exit = ExitAnimation.ElevationScale,
    easing = Easing.FastOutSlowInEasing,
    enterDuration = 400,
    exitDuration = 400

  )
}	  

  

Supported Animations

Enter Animations

 EnterAnimation.FadeIn
 EnterAnimation.SharedAxisXForward
 EnterAnimation.SharedAxisYForward
 EnterAnimation.SharedAxisZForward
 EnterAnimation.ElevationScale
 EnterAnimation.SlideIn
 EnterAnimation.SlideInHorizontally
 EnterAnimation.SlideInVertically
 EnterAnimation.ScaleIn
 EnterAnimation.ExpandIn
 EnterAnimation.ExpandHorizontally
 EnterAnimation.ExpandVertically

Exit Animations

 ExitAnimation.FadeOut
 ExitAnimation.SharedAxisXBackward
 ExitAnimation.SharedAxisYBackward
 ExitAnimation.SharedAxisZBackward
 ExitAnimation.ElevationScale
 ExitAnimation.SlideOut
 ExitAnimation.SlideOutHorizontally
 ExitAnimation.SlideOutVertically
 ExitAnimation.ScaleOut
 ExitAnimation.ShrinkOut
 ExitAnimation.ShrinkHorizontally
 ExitAnimation.ShrinkVertically

Easing

 Easing.FastOutSlowInEasing
 Easing.LinearOutSlowInEasing
 Easing.FastOutLinearInEasing
 Easing.LinearEasing

Inspiration

This library was heavily inspired by ComposeCookBook.

A Collection on all Jetpack compose UI elements, Layouts, Widgets and Demo screens to see it’s potential.

List icons created by Freepik – Flaticon

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License

Copyright 2022 AndroidPoet (Ranbir Singh)

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.

GitHub

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