fix adapter generic

Author: saschoar

sequencelayout/build.gradle

@@ -18,7 +18,7 @@ android {
 
     buildTypes {
         release {
-            minifyEnabled true
+            minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }

sequencelayout/src/main/java/com/transferwise/sequencelayout/SequenceAdapter.kt

@@ -3,7 +3,7 @@ package com.transferwise.sequencelayout
 /**
  * Adapter to bind data to [com.transferwise.sequencelayout.SequenceStep]s for a [com.transferwise.sequencelayout.SequenceLayout].
  */
-public abstract class SequenceAdapter<T> {
+public abstract class SequenceAdapter<T> where T : Any {
 
     abstract fun getCount(): Int
 

sequencelayout/src/main/java/com/transferwise/sequencelayout/SequenceLayout.kt

@@ -105,7 +105,7 @@ public class SequenceLayout(context: Context?, attrs: AttributeSet?, defStyleAtt
     /**
      * Replaces all contained [com.transferwise.sequencelayout.SequenceStep]s with those provided and bound by the adapter
      */
-    public fun setAdapter(adapter: SequenceAdapter<SequenceStep>) {
+    public fun <T> setAdapter(adapter: SequenceAdapter<T>) where T : Any {
         removeAllSteps()
         val count = adapter.getCount()
         for (i in 0 until count) {