Gradle

implementation "com.rizlee.view:rangeseekbar:$latest_version"

XML

 <com.rizlee.rangeseekbar.RangeSeekBar
        android:id="@+id/rangeSeekBar"
        android:layout_width="300dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        app:active="true"
        app:additionalTextMargin="6dp"
        app:enableGradient="true"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:roundedCorners="true"
        app:showAdditionalText="above"
        app:showThumbsText="below"
        app:textColor="@android:color/black"
        app:thumbsTextMargin="6dp" />

Kotlin

just implement:
OnRangeSeekBarPostListener 
or
OnRangeSeekBarRealTimeListener

rangeSeekBar.listenerPost = this
or
rangeSeekBarlistenerRealTime = this

Attributes

Attribute	Type	Description	Default value
minValue	float	min value of range	0f
maxValue	float	max value of range	100f
stepValue	float	it must be: (maxValue - minValue) % stepValue == 0f	1f
valueType	intType, floatType	to display values in the form you want	intType
enableGradient	boolean	enable or disable gradient between center and sides	false
textColor	color	change all text color on view	Color.GRAY
showThumbsText	none, below, above, center	numeric values of selected range	none
thumbsTextMargin	dimension	margin from center of seekbar(сan be negative)	0dp
additionalTextMargin	dimension	margin from center of seekBar(сan be negative)	0dp
showAdditionalText	none, below, above, center	additional info on seekbar(left, center and right text)	none
roundedCorners	boolean	seekbar with rounded corners or not	false
barHeight	dimension	height of bar(possible problems with large values)	8dp
active	boolean	enable or disable seekbar, if seekbar disabled thumb images will be replaced by others (thumbsDisabled)	true
textSize	dimension	change all text size on view	12sp
textFont	not ready yeat	-	worksans-semibold
centerText	string	-	Center text
rightText	string	-	Right text
leftText	string	-	Left Text
thumbsNormal	drawable	-	thumb_normal.png
thumbsPressed	drawable	-	thumb_pressed.png
thumbsDisabled	drawable	-	thumb_disabled.png
sideColor	color	colors left and right of thumbs	Color.RED
transitionColor	color	color used in gradient formation, if enableGradient = false, this color not used	Color.YELLOW
centerColor	color	color between left and right thumbs	Color.GREEN

Functions

Function name	Description
setRange(minValue: Float, maxValue: Float, stepValue: Float)	set range values with valueType = float
setRange(minValue: Int, maxValue: Int, stepValue: Int)	set range values with valueType = int
setCurrentValues(leftValue: Float, rightValue: Float)	set selected values
setCurrentValues(leftValue: Int, rightValue: Int)	set selected values
getRangeInfo()	return RangeInfo(val minValue: Float, val maxValue: Float, val stepValue: Float)
getCurrentValues()	return Range(val leftValue: Float, val rightValue: Float)

Public fields(getters and setters)

Field name: type	Attribute equivalent
isActive: Boolean	active
leftText: String	leftText
rightText: String	rightText
centerText: String	centerText
sideBarColor: Int	sideColor
centerBarColor: Int	centerColor
transitionBarColor: Int	transitionColor
isGradientNeed: Int	enableGradient

Interfaces

Field name	Type	Description
listenerPost	OnRangeSeekBarPostListener	sends results after a user has finished changing them.
listenerRealTime	OnRangeSeekBarRealTimeListener	sends results while changing values

*If you need some new features or you found bugs please write issue