Create magic animation kotlin class

bloderxd · bloderxd · commit cf6b3d1a49b3 · 2016-09-20T21:48:10.000-03:00
diff --git a/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.kt b/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.kt
@@ -0,0 +1,21 @@
+package br.com.bloder.magic.internal
+
+import android.view.View
+import android.view.animation.Animation
+import android.view.animation.Transformation
+
+/**
+ * Created by bloder on 20/09/16.
+ */
+class MagicAnimation(view : View) : Animation() {
+
+    private var view : View? = view
+    private val startWidth : Int = view.width
+    private val toWidth : Int = if (startWidth == view.height) startWidth * 4 else view.height
+
+    override fun applyTransformation(interpolatedTime: Float, t: Transformation?) {
+        val newWidth : Int = startWidth + ((toWidth - startWidth) * interpolatedTime).toInt()
+        view?.layoutParams?.width = newWidth
+        view?.requestLayout()
+    }
+}
