Floating Action Button Expandable

An android library that brings the float action button expandable. You can include optional contents and use everywhere.

FloatingActionButtonExpandable

Usage

Code

val fab = findViewById<FloatActionButtonExpandable>(R.id.fab)
recyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
    override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
        if (dy > 0) {
            fab.collapse()
        } else {
            fab.expand()
        }
    }
})
// toggle expand, collapse
fab.toggle()
// expand
fab.expand()
// collapse
fab.collapse()

fab.setExpanded(true)
fab.setDuration(100L)
fab.setContent("Start Chat")
// drawable, resId, bitmap
fab.setIconActionButton(R.drawable.ic_message_white_24dp)
fab.setTextColor(ContextCompat.getColor(this, android.R.color.white))
fab.setBackgroundButtonColor(ContextCompat.getColor(this, R.color.bg_float_action))
// padding between the icon and text
fab.setPaddingTextIcon(resources.getDimensionPixelSize(R.dimen.padding_text_icon))
// padding inside the button
fab.setPaddingInsideButton(resources.getDimensionPixelSize(R.dimen.padding_fab))
// pixel
fab.setTextSize(resources.getDimensionPixelSize(R.dimen.text_size_fab).toFloat())
// or
fab.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14f)
// text style
fab.setTypeface(Typeface.BOLD)
// font
val typeface = Typeface.createFromAsset(assets, "fonts/RobotoSlab-Regular.ttf")
fab.setTypeface(typeface)
Kotlin

Layout xml

add xmlns:app="http://schemas.android.com/apk/res-auto"

<com.tuann.floatingactionbuttonexpandable.FloatingActionButtonExpandable
    android:id="@+id/fab"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    app:fab_content="@string/label_start_chat"
    app:fab_padding_text_icon="@dimen/padding_text_icon"
    app:fab_text_color="@android:color/white"
    app:fab_bg_color="@color/bg_float_action"
    app:fab_icon="@drawable/ic_message_white_24dp"
    app:fab_duration="100"
    app:fab_text_size="@dimen/text_size_action_button"
    app:fab_typeface="fonts/RobotoSlab-Regular.ttf"
    app:fab_padding="@dimen/padding_fab"
    app:fab_expanded="true"/>
XML

Attributes

attribute name description
fab_content The content of the button
fab_padding_text_icon The padding between the text and icon
fab_text_color The color of the text
fab_bg_color The background color of the button
fab_icon The icon of the button
fab_duration The length of the expand or collapse animation
fab_text_size The text size of the button
fab_typeface The font path in assets folder
fab_padding The padding inside the button
fab_expanded The button is expanded if you set true

Setup

Step 1. Add the JitPack repository in your root build.gradle at the end of repositories:

allprojects {
    repositories {
        ...
        maven { url 'https://jitpack.io' }
    }
}

Step 2. Add the dependency

implementation 'com.github.imtuann:FloatingActionButtonExpandable:1.1.2'

Compatibility

Minimum Android SDK: API level 21

GitHub