diff --git a/README.md b/README.md
index 475291e..e5d8b4f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ExTextView
 
-Android Extended TextView (know in Kotlin 🤩)
+Android Extended TextView (now in Kotlin 🤩)
 
 # Usage
 
@@ -21,7 +21,7 @@ allprojects {
 Step 2. Add the dependency
 ``` gradle
 dependencies {
-    implementation 'com.github.zijing07:ExTextView:v1.0.0'
+    implementation 'com.github.zijing07:ExTextView:${LATEST_VERSION}'
 }
 ```
 
@@ -34,22 +34,16 @@ strikeThroughPainting = StrikeThroughPainting(tv)
 strikeThroughPainting.strikeThrough()
 
 // All Options
-strikeThroughPainting // default to true
-    .cutTextEdge(cutEdge) // default to Color.BLACK
-    .color(strokeColor) // default to 2F px
-    .strokeWidth(strokeWidth) // default to StrikeThroughPainting.MODE_DEFAULT
-    .mode(StrikeThroughPainting.MODE_DEFAULT) // default to 0.65F
-    .linePosition(0.65f) // default to 0.6F, since the first line is calculated
+strikeThroughPainting
+    .cutTextEdge(cutEdge) // default to true
+    .color(strokeColor) // default to Color.BLACK
+    .strokeWidth(strokeWidth) // default to 2F px
+    .mode(StrikeThroughPainting.MODE_DEFAULT) // default to StrikeThroughPainting.MODE_DEFAULT
+    .linePosition(0.65f) // default to 0.65F
     // differently to the following lines
-    .firstLinePosition(0.6f) // default to 1_000 milliseconds, aka 1s
-    .totalTime(10000L) // default to null
-    .callback(object : StrikeThroughPainting.StrikeThroughPaintingCallback {
-        override fun onStrikeThroughEnd() {
-            Snackbar.make(
-                findViewById(R.id.container),
-                "Callback after animation", Snackbar.LENGTH_LONG
-            ).show()
-        }
+    .firstLinePosition(0.6f) // default to 0.6F, since the first line is calculated
+    .totalTime(10000L) // default to 1_000 milliseconds, aka 1s
+    .callback{Snackbar.make(findViewById(R.id.container),"Callback after animation", Snackbar.LENGTH_LONG).show()}
     })
     .strikeThrough()
 
@@ -65,4 +59,4 @@ strikeThroughPainting.clearStrikeThrough()
 - What else to extend? Please feel free to tell via opening an issue.
 
 # Demo
-![demo](demo.gif)
\ No newline at end of file
+![demo](demo.gif)
diff --git a/extextview/src/main/java/lib/mozidev/me/extextview/StrikeThroughPainting.kt b/extextview/src/main/java/lib/mozidev/me/extextview/StrikeThroughPainting.kt
index 4d85cb7..801c6db 100644
--- a/extextview/src/main/java/lib/mozidev/me/extextview/StrikeThroughPainting.kt
+++ b/extextview/src/main/java/lib/mozidev/me/extextview/StrikeThroughPainting.kt
@@ -1,3 +1,5 @@
+@file:Suppress("unused")
+
 package lib.mozidev.me.extextview
 
 import android.animation.Animator
@@ -26,7 +28,9 @@ class StrikeThroughPainting constructor(private val targetView: ExTextView) : IP
     private var strikeThroughTotalTime = STRIKE_THROUGH_TOTAL_TIME
     private var strikeThroughMode = STRIKE_THROUGH_MODE
     private var strikeThroughCutTextEdge = STRIKE_THROUGH_CUT_TEXT_EDGE
-
+    var isStriked: Boolean = false
+        private set
+    
     /**
      * Set strike through line position
      * @param percentageOfHeight set position of the drawing line, percentage marks the
@@ -88,8 +92,15 @@ class StrikeThroughPainting constructor(private val targetView: ExTextView) : IP
      * @param callback StrikeThroughPaintingCallback
      * @return this
      */
-    fun callback(callback: StrikeThroughPaintingCallback): StrikeThroughPainting {
-        strikeThroughPaintingCallback = callback
+    fun callback(callback: (() -> Unit)?): StrikeThroughPainting {
+        strikeThroughPaintingCallback = null
+        callback?.let {
+            strikeThroughPaintingCallback = object : StrikeThroughPaintingCallback {
+                override fun onStrikeThroughEnd() {
+                    callback.invoke()
+                }
+            }
+        }
         return this
     }
 
@@ -120,16 +131,15 @@ class StrikeThroughPainting constructor(private val targetView: ExTextView) : IP
      * Start strike through animation
      */
     fun strikeThrough() {
-        targetView.post {
-            prepareAnimation()
-            startAnimation()
-        }
+        prepareAnimation()
+        startAnimation()
     }
 
     /**
      * Dismiss the strikeThrough line
      */
     fun clearStrikeThrough() {
+        isStriked = false
         drawStrikeThrough = false
         strikeThroughProgress = 0f
         targetView.invalidate()
@@ -166,7 +176,9 @@ class StrikeThroughPainting constructor(private val targetView: ExTextView) : IP
      * @param distance How long the strike through line should be, -1 indicates a full line draw
      * @return The length of strike through line drawn
      */
-    private fun drawStrikeThroughLine(canvas: Canvas, lineIndex: Int, distance: Float = -1f): Float {
+    private fun drawStrikeThroughLine(
+        canvas: Canvas, lineIndex: Int, distance: Float = -1f
+    ): Float {
         var lIndex = lineIndex
         val rect = lineRects[lIndex]
         //        float linePosition = lineIndex == 0 ? strikeThroughFirstLinePosition : strikeThroughPosition;
@@ -260,6 +272,7 @@ class StrikeThroughPainting constructor(private val targetView: ExTextView) : IP
         animator.addListener(object : AnimatorListenerAdapter() {
             override fun onAnimationEnd(animation: Animator) {
                 super.onAnimationEnd(animation)
+                isStriked = true //since we only animate on strike
                 strikeThroughPaintingCallback?.onStrikeThroughEnd()
             }
         })
@@ -305,4 +318,4 @@ class StrikeThroughPainting constructor(private val targetView: ExTextView) : IP
         paint.color = strikeThroughColor
         paint.strokeWidth = strikeThroughStrokeWidth
     }
-}
\ No newline at end of file
+}
diff --git a/sample/src/main/java/lib/mozidev/me/demo/MainActivity.kt b/sample/src/main/java/lib/mozidev/me/demo/MainActivity.kt
index a5b9fc0..5b42918 100644
--- a/sample/src/main/java/lib/mozidev/me/demo/MainActivity.kt
+++ b/sample/src/main/java/lib/mozidev/me/demo/MainActivity.kt
@@ -81,23 +81,15 @@ class MainActivity : AppCompatActivity() {
         }
         binding.button5.setOnClickListener {
             reset(binding.extendedTextView)
-            strikeThroughPainting // default to true
-                .cutTextEdge(cutEdge) // default to Color.BLACK
-                .color(strokeColor) // default to 2F px
-                .strokeWidth(strokeWidth) // default to StrikeThroughPainting.MODE_DEFAULT
-                .mode(StrikeThroughPainting.MODE_DEFAULT) // default to 0.65F
-                .linePosition(0.65f) // default to 0.6F, since the first line is calculated
-                // differently to the following lines
-                .firstLinePosition(0.6f) // default to 1_000 milliseconds, aka 1s
-                .totalTime(10000L) // default to null
-                .callback(object : StrikeThroughPainting.StrikeThroughPaintingCallback {
-                    override fun onStrikeThroughEnd() {
-                        Snackbar.make(
-                            findViewById(R.id.container),
-                            "Callback after animation", Snackbar.LENGTH_LONG
-                        ).show()
-                    }
-                })
+            strikeThroughPainting
+                .cutTextEdge(cutEdge)
+                .color(strokeColor)
+                .strokeWidth(strokeWidth)
+                .linePosition(0.65f)
+                .callback { Snackbar.make(
+                    findViewById(R.id.container),
+                    "Callback after animation", Snackbar.LENGTH_LONG
+                ).show()}
                 .strikeThrough()
         }
         binding.button4.setOnClickListener { reset(binding.extendedTextView) }
@@ -123,4 +115,4 @@ class MainActivity : AppCompatActivity() {
             "Early work on the Aperture Science Handheld Portal Device began; the early version, called the Aperture Science Portable Quantum Tunneling Device, proved to be too bulky for effective use..."
         private val strs = listOf(SINGLE_LINE_TEXT, MULTIPLE_LINES_TEXT, VERY_LONG_TEXT)
     }
-}
\ No newline at end of file
+}