diff --git a/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimation.kt b/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimation.kt
index 9a2f15f..668fad8 100644
--- a/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimation.kt
+++ b/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimation.kt
@@ -16,6 +16,7 @@ object RxAnimation {
      * @param view [View] param mandatory.
      * @return An [Observable] of [View].
      */
+    @JvmStatic
     fun from(view: View): Observable<View> = Observable.just(view)
 
     /**
@@ -25,6 +26,7 @@ object RxAnimation {
      * @see from
      * @return A [Completable].
      */
+    @JvmStatic
     fun together(vararg completables: Completable): Completable =
         Completable.mergeArray(*completables)
 
@@ -35,6 +37,7 @@ object RxAnimation {
      * @see from
      * @return A [Completable].
      */
+    @JvmStatic
     fun sequentially(vararg completables: Completable): Completable =
         completables.first().run {
             if (completables.size > 1) {
diff --git a/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimationExtension.kt b/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimationExtension.kt
index 2773391..2b1800d 100644
--- a/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimationExtension.kt
+++ b/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxAnimationExtension.kt
@@ -1,3 +1,4 @@
+@file:JvmName("RxAnimationExtension")
 package com.mikhaellopez.rxanimation
 
 import android.animation.TimeInterpolator
@@ -27,6 +28,7 @@ private fun Observable<View>.doCompletable(actionCompletable: (View) -> Completa
  * @param action ([Any]) -> [Unit] the action to do on UpdateListener.
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.startValueAnimator(
     valueAnimator: ValueAnimator,
     duration: Long? = null,
@@ -50,6 +52,7 @@ fun Observable<View>.startValueAnimator(
  * @see rangeInt
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.rangeFloat(
     start: Float, end: Float,
     duration: Long? = null,
@@ -72,6 +75,7 @@ fun Observable<View>.rangeFloat(
  * @see rangeFloat
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.rangeInt(
     start: Int, end: Int,
     duration: Long? = null,
@@ -98,6 +102,7 @@ fun Observable<View>.rangeInt(
  * @see fadeOut
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.alpha(
     alpha: Float,
     duration: Long? = null,
@@ -121,6 +126,7 @@ fun Observable<View>.alpha(
  * @see fadeOut
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.fadeIn(
     duration: Long? = null,
     interpolator: TimeInterpolator? = null,
@@ -143,6 +149,7 @@ fun Observable<View>.fadeIn(
  * @see fadeIn
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.fadeOut(
     duration: Long? = null,
     interpolator: TimeInterpolator? = null,
@@ -167,6 +174,7 @@ fun Observable<View>.fadeOut(
  * @param reverse [Boolean] optional, false by default.
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.translation(
     translationX: Float,
     translationY: Float,
@@ -201,6 +209,7 @@ fun Observable<View>.translation(
  * @see translationY
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.translationX(
     translationX: Float,
     duration: Long? = null,
@@ -225,6 +234,7 @@ fun Observable<View>.translationX(
  * @see translationX
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.translationY(
     translationY: Float,
     duration: Long? = null,
@@ -251,6 +261,7 @@ fun Observable<View>.translationY(
  * @see scaleY
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.scale(
     scale: Float,
     duration: Long? = null,
@@ -275,6 +286,7 @@ fun Observable<View>.scale(
  * @see scaleY
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.scaleX(
     scaleX: Float,
     duration: Long? = null,
@@ -299,6 +311,7 @@ fun Observable<View>.scaleX(
  * @see scaleX
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.scaleY(
     scaleY: Float,
     duration: Long? = null,
@@ -325,6 +338,7 @@ fun Observable<View>.scaleY(
  * @see rotationY
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.rotation(
     rotation: Float,
     duration: Long? = null,
@@ -349,6 +363,7 @@ fun Observable<View>.rotation(
  * @see rotationY
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.rotationX(
     rotationX: Float,
     duration: Long? = null,
@@ -373,6 +388,7 @@ fun Observable<View>.rotationX(
  * @see rotationX
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.rotationY(
     rotationY: Float,
     duration: Long? = null,
@@ -400,6 +416,7 @@ fun Observable<View>.rotationY(
  * @return An [Observable] of [View].
  */
 @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+@JvmOverloads
 fun Observable<View>.xyz(
     x: Float? = null,
     y: Float? = null,
@@ -427,6 +444,7 @@ fun Observable<View>.xyz(
  * @see z
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.x(
     x: Float,
     duration: Long? = null,
@@ -452,6 +470,7 @@ fun Observable<View>.x(
  * @see z
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.y(
     y: Float,
     duration: Long? = null,
@@ -478,6 +497,7 @@ fun Observable<View>.y(
  * @return An [Observable] of [View].
  */
 @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+@JvmOverloads
 fun Observable<View>.z(
     z: Float,
     duration: Long? = null,
@@ -502,6 +522,7 @@ fun Observable<View>.z(
  * @param reverse [Boolean] optional, false by default.
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.resize(
     width: Int, height: Int,
     duration: Long? = null,
@@ -524,6 +545,7 @@ fun Observable<View>.resize(
  * @see height
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.width(
     width: Int,
     duration: Long? = null,
@@ -546,6 +568,7 @@ fun Observable<View>.width(
  * @see width
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.height(
     height: Int,
     duration: Long? = null,
@@ -570,6 +593,7 @@ fun Observable<View>.height(
  * @see View.backgroundColor
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.backgroundColor(
     colorFrom: Int,
     colorTo: Int,
@@ -590,6 +614,7 @@ fun Observable<View>.backgroundColor(
  * @see View.shake
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.shake(
     duration: Long = 300,
     nbShake: Float = 2f,
@@ -610,6 +635,7 @@ fun Observable<View>.shake(
  * @see View.press
  * @return An [Observable] of [View].
  */
+@JvmOverloads
 fun Observable<View>.press(
     depth: Float = 0.95f,
     duration: Long? = null,
@@ -634,6 +660,7 @@ fun Observable<View>.press(
  * @see TextView.text
  * @return An [Observable] of [TextView].
  */
+@JvmOverloads
 fun Observable<TextView>.text(
     text: String,
     duration: Long = 300L,
diff --git a/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxViewAnimationExtension.kt b/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxViewAnimationExtension.kt
index 3aeecb0..861b3ea 100644
--- a/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxViewAnimationExtension.kt
+++ b/rxanimation/src/main/java/com/mikhaellopez/rxanimation/RxViewAnimationExtension.kt
@@ -1,3 +1,4 @@
+@file:JvmName("RxViewAnimationExtension")
 package com.mikhaellopez.rxanimation
 
 import android.animation.*
@@ -60,6 +61,7 @@ private fun Completable.reverse(
  * @see ViewPropertyAnimator
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.animate(
     alpha: Float? = null,
     translationX: Float? = null,
@@ -128,6 +130,7 @@ private fun ValueAnimator.start(
  * @see startValueAnimator
  * @return A [Completable].
  */
+@JvmOverloads
 fun ValueAnimator.start(
     duration: Long? = null,
     interpolator: Interpolator? = null,
@@ -167,6 +170,7 @@ fun ViewPropertyAnimator.animate(): Completable =
  * @see rangeIntToCompletable
  * @return A [Completable].
  */
+@JvmOverloads
 fun Pair<Float, Float>.rangeFloatToCompletable(
     duration: Long? = null,
     interpolator: Interpolator? = null,
@@ -193,6 +197,7 @@ fun Pair<Float, Float>.rangeFloatToCompletable(
  * @see rangeFloatToCompletable
  * @return A [Completable].
  */
+@JvmOverloads
 fun Pair<Int, Int>.rangeIntToCompletable(
     duration: Long? = null,
     interpolator: Interpolator? = null,
@@ -233,6 +238,7 @@ fun Pair<Int, Int>.rangeIntToCompletable(
  * @see View.fadeOut
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.alpha(
     alpha: Float,
     duration: Long? = null,
@@ -266,6 +272,7 @@ fun View.alpha(
  * @see View.alpha
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.fadeIn(
     duration: Long? = null,
     interpolator: TimeInterpolator? = null,
@@ -289,6 +296,7 @@ fun View.fadeIn(
  * @see View.alpha
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.fadeOut(
     duration: Long? = null,
     interpolator: TimeInterpolator? = null,
@@ -315,6 +323,7 @@ fun View.fadeOut(
  * @see View.translationY
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.translation(
     translationX: Float,
     translationY: Float,
@@ -351,6 +360,7 @@ fun View.translation(
  * @see View.translationY
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.translationX(
     translationX: Float,
     duration: Long? = null,
@@ -385,6 +395,7 @@ fun View.translationX(
  * @see View.translationX
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.translationY(
     translationY: Float,
     duration: Long? = null,
@@ -421,6 +432,7 @@ fun View.translationY(
  * @see View.scaleY
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.scale(
     scale: Float,
     duration: Long? = null,
@@ -461,6 +473,7 @@ fun View.scale(
  * @see View.scaleY
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.scaleX(
     scaleX: Float,
     duration: Long? = null,
@@ -495,6 +508,7 @@ fun View.scaleX(
  * @see View.scaleX
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.scaleY(
     scaleY: Float,
     duration: Long? = null,
@@ -531,6 +545,7 @@ fun View.scaleY(
  * @see View.rotationY
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.rotation(
     rotation: Float,
     duration: Long? = null,
@@ -565,6 +580,7 @@ fun View.rotation(
  * @see View.rotationY
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.rotationX(
     rotationX: Float,
     duration: Long? = null,
@@ -599,6 +615,7 @@ fun View.rotationX(
  * @see View.rotationX
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.rotationY(
     rotationY: Float,
     duration: Long? = null,
@@ -639,6 +656,7 @@ fun View.rotationY(
  * @return A [Completable].
  */
 @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+@JvmOverloads
 fun View.xyz(
     x: Float? = null,
     y: Float? = null,
@@ -678,6 +696,7 @@ fun View.xyz(
  * @see View.z
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.x(
     x: Float,
     duration: Long? = null,
@@ -713,6 +732,7 @@ fun View.x(
  * @see View.z
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.y(
     y: Float,
     duration: Long? = null,
@@ -749,6 +769,7 @@ fun View.y(
  * @return A [Completable].
  */
 @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+@JvmOverloads
 fun View.z(
     z: Float,
     duration: Long? = null,
@@ -814,6 +835,7 @@ private fun View.heightToCompletable(
  * @see View.height
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.resize(
     width: Int, height: Int,
     duration: Long? = null,
@@ -843,6 +865,7 @@ fun View.resize(
  * @see View.height
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.width(
     width: Int,
     duration: Long? = null,
@@ -871,6 +894,7 @@ fun View.width(
  * @see View.width
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.height(
     height: Int,
     duration: Long? = null,
@@ -915,6 +939,7 @@ private fun View.backgroundColorToCompletable(
  * @see backgroundColor
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.backgroundColor(
     colorFrom: Int,
     colorTo: Int,
@@ -938,6 +963,7 @@ fun View.backgroundColor(
  * @see shake
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.shake(
     duration: Long = 300,
     nbShake: Float = 2f,
@@ -965,6 +991,7 @@ fun View.shake(
  * @see press
  * @return A [Completable].
  */
+@JvmOverloads
 fun View.press(
     depth: Float = 0.95f,
     duration: Long? = null,
@@ -988,6 +1015,7 @@ fun View.press(
  * @param reverse [Boolean] optional, false by default.
  * @return A [Completable].
  */
+@JvmOverloads
 fun TextView.text(
     text: String,
     duration: Long = 300L,