An android library that brings the float action button expandable

by androidexample

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)

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"/>

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