Dropdown

💧A Powerful and customizable Compose Multiplatform dropdown menu with cascade and animations.

Who's using Dropdown?

Include in your project

Gradle

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

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

For Kotlin Multiplatform, add the dependency below to your module's build.gradle.kts file:

sourceSets {
    val commonMain by getting {
        dependencies {
           implementation("io.github.androidpoet:dropdown:$version"")
        }
    }
}

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

Fade	SharedAxisX	SharedAxisY	SharedAxisZ

ElevationScale	SlideIn(SlideOut)	SlideHorizontally	SlideVertically

Scale	Expand	Expand Horizontally	Expand Vertically

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.

AndroidPoet / Dropdown