Fix compile errors

35 files changed, 255 insertions, 151 deletions

diff --git a/about/src/main/kotlin/ca/allanwang/kau/about/AboutPanelDelegate.kt b/about/src/main/kotlin/ca/allanwang/kau/about/AboutPanelDelegate.kt
index aae6cb0..512516d 100644
--- a/about/src/main/kotlin/ca/allanwang/kau/about/AboutPanelDelegate.kt
+++ b/about/src/main/kotlin/ca/allanwang/kau/about/AboutPanelDelegate.kt
@@ -48,7 +48,7 @@ interface AboutPanelContract {
     /**
      * Model list to be added to [adapter]
      */
-    var items: List<IItem<*>>?
+    var items: List<IItem<*>>
     /**
      * The adapter, will be late initialized as it depends on configs
      */
@@ -90,7 +90,7 @@ interface AboutPanelContract {
 
 abstract class AboutPanelRecycler : AboutPanelContract {
 
-    override var items: List<IItem<*>>? = null
+    override var items: List<IItem<*>> = emptyList()
 
     override lateinit var adapter: FastItemThemedAdapter<IItem<*>>
 
@@ -116,7 +116,9 @@ abstract class AboutPanelRecycler : AboutPanelContract {
     }
 
     override fun addItems(activity: AboutActivityBase, position: Int) {
-        if (items == null) return
+        if (items.isEmpty()) {
+            return
+        }
         activity.pageStatus[position] = 2
         postDelayed(300) { addItemsImpl(activity, position) }
     }
diff --git a/about/src/main/kotlin/ca/allanwang/kau/about/CutoutIItem.kt b/about/src/main/kotlin/ca/allanwang/kau/about/CutoutIItem.kt
index b51c9c8..d51db46 100644
--- a/about/src/main/kotlin/ca/allanwang/kau/about/CutoutIItem.kt
+++ b/about/src/main/kotlin/ca/allanwang/kau/about/CutoutIItem.kt
@@ -27,11 +27,13 @@ import ca.allanwang.kau.ui.views.CutoutView
  *
  * Just a cutout item with some defaults in [R.layout.kau_iitem_cutout]
  */
-class CutoutIItem(val config: CutoutView.() -> Unit = {}) : KauIItem<CutoutIItem, CutoutIItem.ViewHolder>(
+class CutoutIItem(val config: CutoutView.() -> Unit = {}) : KauIItem<CutoutIItem.ViewHolder>(
     R.layout.kau_iitem_cutout, ::ViewHolder, R.id.kau_item_cutout
 ), ThemableIItem by ThemableIItemDelegate() {
 
-    override fun isSelectable(): Boolean = false
+    override var isSelectable: Boolean
+        get() = false
+        set(_) {}
 
     override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
diff --git a/about/src/main/kotlin/ca/allanwang/kau/about/LibraryIItem.kt b/about/src/main/kotlin/ca/allanwang/kau/about/LibraryIItem.kt
index 445d435..dcc0874 100644
--- a/about/src/main/kotlin/ca/allanwang/kau/about/LibraryIItem.kt
+++ b/about/src/main/kotlin/ca/allanwang/kau/about/LibraryIItem.kt
@@ -54,7 +54,9 @@ class LibraryIItem(val lib: Library) : KauIItem<LibraryIItem.ViewHolder>(
         }
     }
 
-    override fun isSelectable(): Boolean = false
+    override var isSelectable: Boolean
+        get() = false
+        set(_) {}
 
     override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
diff --git a/android-lib.gradle b/android-lib.gradle
index 90ec6bf..486b4ed 100644
--- a/android-lib.gradle
+++ b/android-lib.gradle
@@ -59,6 +59,7 @@ android {
     packagingOptions {
         pickFirst 'META-INF/core_release.kotlin_module'
         pickFirst 'META-INF/library_release.kotlin_module'
+        pickFirst 'META-INF/library-core_release.kotlin_module'
     }
 
     compileOptions {
diff --git a/core/src/main/kotlin/ca/allanwang/kau/permissions/Permissions.kt b/core/src/main/kotlin/ca/allanwang/kau/permissions/Permissions.kt
index 3c90b05..f649cc6 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/permissions/Permissions.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/permissions/Permissions.kt
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package ca.allanwang.kau.permissions
 
 import android.Manifest
@@ -76,6 +77,8 @@ const val PERMISSION_READ_CALL_LOG = Manifest.permission.READ_CALL_LOG
 const val PERMISSION_WRITE_CALL_LOG = Manifest.permission.WRITE_CALL_LOG
 const val PERMISSION_ADD_VOICEMAIL = Manifest.permission.ADD_VOICEMAIL
 const val PERMISSION_USE_SIP = Manifest.permission.USE_SIP
+@Deprecated(level = DeprecationLevel.WARNING, message = "Permission is deprecated")
+@Suppress("DEPRECATION")
 const val PERMISSION_PROCESS_OUTGOING_CALLS = Manifest.permission.PROCESS_OUTGOING_CALLS
 
 @RequiresApi(Build.VERSION_CODES.KITKAT_WATCH)
diff --git a/core/src/main/kotlin/ca/allanwang/kau/utils/Kotterknife.kt b/core/src/main/kotlin/ca/allanwang/kau/utils/Kotterknife.kt
index 8765c69..aaef160 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/utils/Kotterknife.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/utils/Kotterknife.kt
@@ -116,11 +116,11 @@ private inline val Dialog.viewFinder: Dialog.(Int) -> View?
 private inline val DialogFragment.viewFinder: DialogFragment.(Int) -> View?
     get() = { dialog.findViewById(it) }
 private inline val SupportDialogFragment.viewFinder: SupportDialogFragment.(Int) -> View?
-    get() = { dialog.findViewById(it) }
+    get() = { dialog?.findViewById(it) }
 private inline val Fragment.viewFinder: Fragment.(Int) -> View?
-    get() = { view!!.findViewById(it) }
+    get() = { view?.findViewById(it) }
 private inline val SupportFragment.viewFinder: SupportFragment.(Int) -> View?
-    get() = { view!!.findViewById(it) }
+    get() = { view?.findViewById(it) }
 private inline val ViewHolder.viewFinder: ViewHolder.(Int) -> View?
     get() = { itemView.findViewById(it) }
 
diff --git a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt
index 42fe1a2..14fdc9d 100644
--- a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt
+++ b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt
@@ -31,14 +31,11 @@ import com.mikepenz.fastadapter.select.SelectExtension
 fun <Item : IItem<*>> fastAdapter(vararg adapter: IAdapter<out Item>) =
     FastAdapter.with<Item, IAdapter<out Item>>(adapter.toList())
 
-inline fun <reified T : IAdapterExtension<Item>, Item : IItem<*>> FastAdapter<Item>.getExtension(): T? =
-    getExtension(T::class.java)
-
 /**
  * Returns selection size, or -1 if selection is disabled
  */
 inline val <Item : IItem<*>> IAdapter<Item>.selectionSize: Int
-    get() = fastAdapter?.getExtension<SelectExtension<Item>, Item>()?.selections?.size ?: -1
+    get() = fastAdapter?.getExtension<SelectExtension<Item>>()?.selections?.size ?: -1
 
 inline val <Item : IItem<*>> IAdapter<Item>.selectedItems: Set<Item>
-    get() = fastAdapter?.getExtension<SelectExtension<Item>, Item>()?.selectedItems ?: emptySet()
+    get() = fastAdapter?.getExtension<SelectExtension<Item>>()?.selectedItems ?: emptySet()
diff --git a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt
index 01ac0e5..e6d4b24 100644
--- a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt
+++ b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt
@@ -24,6 +24,7 @@ import androidx.annotation.RequiresApi
 import ca.allanwang.kau.ui.createSimpleRippleDrawable
 import ca.allanwang.kau.utils.adjustAlpha
 import com.mikepenz.fastadapter.IItem
+import com.mikepenz.fastadapter.IItemAdapter
 import com.mikepenz.fastadapter.adapters.FastItemAdapter
 
 /**
@@ -40,7 +41,11 @@ class FastItemThemedAdapter<Item : IItem<*>>(
     backgroundColor: Int? = null,
     accentColor: Int? = null
 ) : FastItemAdapter<Item>() {
-    constructor(colors: ThemableIItemColors) : this(colors.textColor, colors.backgroundColor, colors.accentColor)
+    constructor(colors: ThemableIItemColors) : this(
+        colors.textColor,
+        colors.backgroundColor,
+        colors.accentColor
+    )
 
     var textColor: Int? = textColor
         set(value) {
@@ -73,46 +78,41 @@ class FastItemThemedAdapter<Item : IItem<*>>(
         notifyAdapterDataSetChanged()
     }
 
-    override fun add(position: Int, items: List<Item>): FastItemAdapter<Item> {
+    override fun add(position: Int, items: List<Item>): IItemAdapter<Item, Item> {
         injectTheme(items)
         return super.add(position, items)
     }
 
-    override fun add(position: Int, item: Item): FastItemAdapter<Item> {
-        injectTheme(item)
-        return super.add(position, item)
+    override fun add(position: Int, vararg items: Item): IItemAdapter<Item, Item> {
+        injectTheme(items.toList())
+        return super.add(position, *items)
     }
 
-    override fun add(item: Item): FastItemAdapter<Item> {
-        injectTheme(item)
-        return super.add(item)
+    override fun add(vararg items: Item): IItemAdapter<Item, Item> {
+        injectTheme(items.toList())
+        return super.add(*items)
     }
 
-    override fun add(items: List<Item>?): FastItemAdapter<Item> {
+    override fun add(items: List<Item>): IItemAdapter<Item, Item> {
         injectTheme(items)
         return super.add(items)
     }
 
-    override fun set(items: List<Item>?): FastItemAdapter<Item> {
+    override fun set(items: List<Item>): IItemAdapter<Item, Item> {
         injectTheme(items)
         return super.set(items)
     }
 
-    override fun set(position: Int, item: Item): FastItemAdapter<Item> {
+    override fun set(position: Int, item: Item): IItemAdapter<Item, Item> {
         injectTheme(item)
         return super.set(position, item)
     }
 
-    override fun setNewList(items: List<Item>?, retainFilter: Boolean): FastItemAdapter<Item> {
+    override fun setNewList(items: List<Item>, retainFilter: Boolean): IItemAdapter<Item, Item> {
         injectTheme(items)
         return super.setNewList(items, retainFilter)
     }
 
-    override fun setNewList(items: List<Item>?): FastItemAdapter<Item> {
-        injectTheme(items)
-        return super.setNewList(items)
-    }
-
     private fun injectTheme(items: Collection<IItem<*>?>?) {
         items?.forEach { injectTheme(it) }
     }
diff --git a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt
index 3e7d707..99c367b 100644
--- a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt
+++ b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt
@@ -17,10 +17,10 @@ package ca.allanwang.kau.adapters
 
 import android.view.View
 import androidx.annotation.IntRange
+import com.mikepenz.fastadapter.ClickListener
 import com.mikepenz.fastadapter.FastAdapter
 import com.mikepenz.fastadapter.IAdapter
 import com.mikepenz.fastadapter.IItem
-import com.mikepenz.fastadapter.listeners.OnClickListener
 
 /**
  * Created by Allan Wang on 26/12/17.
@@ -28,9 +28,11 @@ import com.mikepenz.fastadapter.listeners.OnClickListener
 fun <Item : IItem<*>> FastAdapter<Item>.withOnRepeatedClickListener(
     count: Int,
     duration: Long,
-    event: OnClickListener<Item>
-) =
-    withOnClickListener(RepeatedClickListener(count, duration, event))
+    event: ClickListener<Item>
+): FastAdapter<Item> {
+    onClickListener = RepeatedClickListener(count, duration, event)
+    return this
+}
 
 /**
  * Registers and skips each click until the designated [count] clicks are triggered,
@@ -40,8 +42,8 @@ fun <Item : IItem<*>> FastAdapter<Item>.withOnRepeatedClickListener(
 private class RepeatedClickListener<Item : IItem<*>>(
     @IntRange(from = 1) val count: Int,
     @IntRange(from = 1) val duration: Long,
-    val event: OnClickListener<Item>
-) : OnClickListener<Item> {
+    val event: ClickListener<Item>
+) : ClickListener<Item> {
 
     init {
         if (count <= 0)
@@ -53,7 +55,7 @@ private class RepeatedClickListener<Item : IItem<*>>(
     private var chain = 0
     private var time = -1L
 
-    override fun onClick(v: View?, adapter: IAdapter<Item>, item: Item, position: Int): Boolean {
+    override fun invoke(v: View?, adapter: IAdapter<Item>, item: Item, position: Int): Boolean {
         val now = System.currentTimeMillis()
         if (time - now < duration)
             chain++
@@ -62,7 +64,7 @@ private class RepeatedClickListener<Item : IItem<*>>(
         time = now
         if (chain == count) {
             chain = 0
-            event.onClick(v, adapter, item, position)
+            event(v, adapter, item, position)
             return true
         }
         return false
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefActivity.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefActivity.kt
index b701a07..f11afde 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefActivity.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefActivity.kt
@@ -32,6 +32,7 @@ import ca.allanwang.kau.utils.resolveColor
 import ca.allanwang.kau.utils.statusBarColor
 import ca.allanwang.kau.utils.withLinearAdapter
 import com.mikepenz.fastadapter.adapters.FastItemAdapter
+import com.mikepenz.fastadapter.select.getSelectExtension
 import kotlinx.android.synthetic.main.kau_pref_activity.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -82,7 +83,8 @@ abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
             toolbar.setNavigationOnClickListener { onBackPressed() }
             setDisplayShowTitleEnabled(false)
         }
-        window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+        window.decorView.systemUiVisibility =
+            View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
         statusBarColor = 0x30000000
         kau_toolbar_ripple.set(resolveColor(R.attr.colorPrimary))
         kau_ripple.set(resolveColor(android.R.attr.colorBackground))
@@ -92,8 +94,13 @@ abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
         core.builder()
         globalOptions = GlobalOptions(core, this)
         kau_recycler.withLinearAdapter(adapter)
-        adapter.withSelectable(false)
-            .withOnClickListener { v, _, item, _ -> item.onClick(v!!); true }
+        adapter.apply {
+            getSelectExtension().isSelectable = true
+            onClickListener = { v, _, item, _ ->
+                item.onClick(v!!)
+                true
+            }
+        }
         showNextPrefs(R.string.kau_settings, onCreateKPrefs(savedInstanceState), true)
     }
 
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefCheckbox.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefCheckbox.kt
index 0f025a6..f4f4a65 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefCheckbox.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefCheckbox.kt
@@ -34,7 +34,7 @@ open class KPrefCheckbox(builder: BaseContract<Boolean>) : KPrefItemBase<Boolean
         (innerView as AppCompatCheckBox).isChecked = pref
     }
 
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         val checkbox = holder.bindInnerView<CheckBox>(R.layout.kau_pref_checkbox)
         withAccentColor(checkbox::tint)
@@ -42,5 +42,6 @@ open class KPrefCheckbox(builder: BaseContract<Boolean>) : KPrefItemBase<Boolean
         checkbox.jumpDrawablesToCurrentState() //Cancel the animation
     }
 
-    override fun getType(): Int = R.id.kau_item_pref_checkbox
+    override val type: Int
+        get() = R.id.kau_item_pref_checkbox
 }
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefColorPicker.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefColorPicker.kt
index 8b051c5..76cfbab 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefColorPicker.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefColorPicker.kt
@@ -33,7 +33,7 @@ import com.afollestad.materialdialogs.MaterialDialog
  */
 open class KPrefColorPicker(open val builder: KPrefColorContract) : KPrefItemBase<Int>(builder) {
 
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         if (builder.showPreview) {
             val preview = holder.bindInnerView<CircleView>(R.layout.kau_pref_color)
@@ -63,7 +63,7 @@ open class KPrefColorPicker(open val builder: KPrefColorContract) : KPrefItemBas
     /**
      * Extension of the base contract and [ColorContract] along with a showPreview option
      */
-    interface KPrefColorContract : KPrefItemBase.BaseContract<Int>, ColorContract {
+    interface KPrefColorContract : BaseContract<Int>, ColorContract {
         var showPreview: Boolean
         var dialogBuilder: MaterialDialog.() -> Unit
     }
@@ -76,11 +76,13 @@ open class KPrefColorPicker(open val builder: KPrefColorContract) : KPrefItemBas
         titleId: Int,
         getter: () -> Int,
         setter: KPrefItemActions.(value: Int) -> Unit
-    ) : KPrefColorContract, KPrefItemBase.BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter),
+    ) : KPrefColorContract,
+        BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter),
         ColorContract by ColorBuilder() {
         override var showPreview: Boolean = true
         override var dialogBuilder: MaterialDialog.() -> Unit = {}
     }
 
-    override fun getType(): Int = R.id.kau_item_pref_color_picker
+    override val type: Int
+        get() = R.id.kau_item_pref_color_picker
 }
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefHeader.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefHeader.kt
index 7d73322..ca70b61 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefHeader.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefHeader.kt
@@ -25,12 +25,14 @@ import ca.allanwang.kau.kpref.activity.R
  */
 open class KPrefHeader(builder: CoreContract) : KPrefItemCore(builder) {
 
-    override fun getLayoutRes(): Int = R.layout.kau_pref_header
+    override val layoutRes: Int
+        get() = R.layout.kau_pref_header
 
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         withAccentColor(holder.title::setTextColor)
     }
 
-    override fun getType() = R.id.kau_item_pref_header
+    override val type: Int
+        get() = R.id.kau_item_pref_header
 }
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemBase.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemBase.kt
index c597b63..9197057 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemBase.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemBase.kt
@@ -46,7 +46,7 @@ abstract class KPrefItemBase<T>(protected val base: BaseContract<T>) : KPrefItem
     }
 
     @CallSuper
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         _enabled = base.enabler()
         with(holder) {
@@ -77,12 +77,14 @@ abstract class KPrefItemBase<T>(protected val base: BaseContract<T>) : KPrefItem
         super.unbindView(holder)
         holder.container?.apply {
             isEnabled = true
-            background = holder.itemView.context.resolveDrawable(android.R.attr.selectableItemBackground)
+            background =
+                holder.itemView.context.resolveDrawable(android.R.attr.selectableItemBackground)
             alpha = 1.0f
         }
     }
 
-    final override fun getLayoutRes(): Int = R.layout.kau_pref_core
+    final override val layoutRes: Int
+        get() = R.layout.kau_pref_core
 
     /**
      * Extension of the core contract
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemCore.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemCore.kt
index 36bf670..79b7e82 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemCore.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemCore.kt
@@ -48,7 +48,7 @@ import com.mikepenz.iconics.typeface.IIcon
  * Core class containing nothing but the view items
  */
 
-abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCore, KPrefItemCore.ViewHolder>(), KPrefItemActions by core,
+abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCore.ViewHolder>(), KPrefItemActions by core,
     ThemableIItem by ThemableIItemDelegate() {
 
     final override fun getViewHolder(v: View) = ViewHolder(v)
@@ -70,7 +70,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
      */
     @SuppressLint("NewApi")
     @CallSuper
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         with(holder) {
             updateTitle()
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefPlainText.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefPlainText.kt
index 6a0aaf5..7381a07 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefPlainText.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefPlainText.kt
@@ -36,5 +36,6 @@ open class KPrefPlainText(open val builder: KPrefPlainTextBuilder) : KPrefItemBa
         titleId: Int
     ) : BaseContract<Unit> by BaseBuilder(globalOptions, titleId, {}, {})
 
-    override fun getType(): Int = R.id.kau_item_pref_plain_text
+    override val type: Int
+        get() = R.id.kau_item_pref_plain_text
 }
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSeekbar.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSeekbar.kt
index a582ec4..5de1f83 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSeekbar.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSeekbar.kt
@@ -37,7 +37,7 @@ open class KPrefSeekbar(val builder: KPrefSeekbarContract) : KPrefItemBase<Int>(
 
     override fun KClick<Int>.defaultOnClick() = Unit
 
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         val text = holder.bindInnerView<TextView>(R.layout.kau_pref_seekbar_text)
         withTextColor(text::setTextColor)
@@ -60,7 +60,8 @@ open class KPrefSeekbar(val builder: KPrefSeekbarContract) : KPrefItemBase<Int>(
             })
         }
         withAccentColor(seekbar::tint)
-        text.text = builder.toText(seekbar.progress.fromProgress) //set initial text in case no change occurs
+        text.text =
+            builder.toText(seekbar.progress.fromProgress) //set initial text in case no change occurs
         seekbar.progress = pref.toProgress
         seekbar.isEnabled = builder.enabler()
     }
@@ -87,7 +88,8 @@ open class KPrefSeekbar(val builder: KPrefSeekbarContract) : KPrefItemBase<Int>(
         titleId: Int,
         getter: () -> Int,
         setter: KPrefItemActions.(value: Int) -> Unit
-    ) : KPrefSeekbarContract, BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter) {
+    ) : KPrefSeekbarContract,
+        BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter) {
 
         override var min: Int = 0
 
@@ -118,5 +120,6 @@ open class KPrefSeekbar(val builder: KPrefSeekbarContract) : KPrefItemBase<Int>(
     protected inline val Int.fromProgress: Int
         get() = this * increment + min
 
-    override fun getType(): Int = R.id.kau_item_pref_seekbar
+    override val type: Int
+        get() = R.id.kau_item_pref_seekbar
 }
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSubItems.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSubItems.kt
index 1fa528b..8474627 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSubItems.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefSubItems.kt
@@ -33,7 +33,8 @@ open class KPrefSubItems(open val builder: KPrefSubItemsContract) : KPrefItemCor
         builder.globalOptions.showNextPrefs(builder.titleFun(), builder.itemBuilder)
     }
 
-    override fun getLayoutRes(): Int = R.layout.kau_pref_core
+    override val layoutRes: Int
+        get() = R.layout.kau_pref_core
 
     /**
      * Extension of the base contract with an optional text getter
@@ -51,5 +52,6 @@ open class KPrefSubItems(open val builder: KPrefSubItemsContract) : KPrefItemCor
         override val itemBuilder: KPrefAdapterBuilder.() -> Unit
     ) : KPrefSubItemsContract, CoreContract by CoreBuilder(globalOptions, titleId)
 
-    override fun getType(): Int = R.id.kau_item_pref_sub_item
+    override val type: Int
+        get() = R.id.kau_item_pref_sub_item
 }
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefText.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefText.kt
index 76c9e20..50f0c62 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefText.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefText.kt
@@ -46,7 +46,7 @@ open class KPrefText<T>(open val builder: KPrefTextContract<T>) : KPrefItemBase<
         context.toast("No click function set")
     }
 
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         val textView = holder.bindInnerView<TextView>(R.layout.kau_pref_text)
         withTextColor(textView::setTextColor)
@@ -68,9 +68,11 @@ open class KPrefText<T>(open val builder: KPrefTextContract<T>) : KPrefItemBase<
         titleId: Int,
         getter: () -> T,
         setter: KPrefItemActions.(value: T) -> Unit
-    ) : KPrefTextContract<T>, BaseContract<T> by BaseBuilder<T>(globalOptions, titleId, getter, setter) {
+    ) : KPrefTextContract<T>,
+        BaseContract<T> by BaseBuilder<T>(globalOptions, titleId, getter, setter) {
         override var textGetter: (T) -> String? = { it?.toString() }
     }
 
-    override fun getType(): Int = R.id.kau_item_pref_text
+    override val type: Int
+        get() = R.id.kau_item_pref_text
 }
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefTimePicker.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefTimePicker.kt
index f50397c..318b630 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefTimePicker.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefTimePicker.kt
@@ -33,7 +33,8 @@ import java.util.Locale
  */
 open class KPrefTimePicker(override val builder: KPrefTimeContract) : KPrefText<Int>(builder) {
 
-    interface KPrefTimeContract : KPrefText.KPrefTextContract<Int>, TimePickerDialog.OnTimeSetListener {
+    interface KPrefTimeContract : KPrefText.KPrefTextContract<Int>,
+        TimePickerDialog.OnTimeSetListener {
         var use24HourFormat: Boolean
     }
 
@@ -50,7 +51,8 @@ open class KPrefTimePicker(override val builder: KPrefTimeContract) : KPrefText<
         titleId: Int,
         getter: () -> Int,
         setter: KPrefItemActions.(value: Int) -> Unit
-    ) : KPrefTimeContract, BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter) {
+    ) : KPrefTimeContract,
+        BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter) {
 
         override var use24HourFormat: Boolean = false
 
@@ -64,11 +66,18 @@ open class KPrefTimePicker(override val builder: KPrefTimeContract) : KPrefText<
             if (use24HourFormat)
                 String.format(Locale.CANADA, "%d:%02d", hour, min)
             else
-                String.format(Locale.CANADA, "%d:%02d %s", hour % 12, min, if (hour >= 12) "PM" else "AM")
+                String.format(
+                    Locale.CANADA,
+                    "%d:%02d %s",
+                    hour % 12,
+                    min,
+                    if (hour >= 12) "PM" else "AM"
+                )
         }
     }
 
-    override fun getType(): Int = R.id.kau_item_pref_time_picker
+    override val type: Int
+        get() = R.id.kau_item_pref_time_picker
 }
 
 private val Int.splitTime: Pair<Int, Int>
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/BlurredImageView.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/BlurredImageView.kt
index 739bf47..e430dff 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/BlurredImageView.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/BlurredImageView.kt
@@ -28,7 +28,7 @@ import ca.allanwang.kau.utils.scaleXY
 import ca.allanwang.kau.utils.setBackgroundColorRes
 import ca.allanwang.kau.utils.setIcon
 import ca.allanwang.kau.utils.visible
-import com.mikepenz.google_material_typeface_library.GoogleMaterial
+import com.mikepenz.iconics.typeface.library.googlematerial.GoogleMaterial
 import jp.wasabeef.blurry.internal.BlurFactor
 import jp.wasabeef.blurry.internal.BlurTask
 import kotlinx.android.synthetic.main.kau_blurred_imageview.view.*
@@ -48,7 +48,9 @@ class BlurredImageView @JvmOverloads constructor(
     defStyleAttr: Int = 0
 ) : FrameLayout(context, attrs, defStyleAttr), MeasureSpecContract by MeasureSpecDelegate() {
 
-    private var blurred = false
+    var isBlurred = false
+        private set
+
     val imageBase: ImageView get() = image_base
 
     init {
@@ -69,20 +71,19 @@ class BlurredImageView @JvmOverloads constructor(
         image_foreground.clearAnimation()
     }
 
-    private fun View.scaleAnimate(scale: Float) = animate().scaleXY(scale).setDuration(ANIMATION_DURATION)
-    private fun View.alphaAnimate(alpha: Float) = animate().alpha(alpha).setDuration(ANIMATION_DURATION)
+    private fun View.scaleAnimate(scale: Float) =
+        animate().scaleXY(scale).setDuration(ANIMATION_DURATION)
 
-    fun isBlurred(): Boolean {
-        return blurred
-    }
+    private fun View.alphaAnimate(alpha: Float) =
+        animate().alpha(alpha).setDuration(ANIMATION_DURATION)
 
     /**
      * Applies a blur and fills the blur image asynchronously
      * When ready, scales the image down and shows the blur & foreground
      */
     fun blur() {
-        if (blurred) return
-        blurred = true
+        if (isBlurred) return
+        isBlurred = true
         val factor = BlurFactor()
         factor.width = width
         factor.height = height
@@ -100,7 +101,7 @@ class BlurredImageView @JvmOverloads constructor(
      * is still asynchronous and takes time
      */
     fun blurInstantly() {
-        blurred = true
+        isBlurred = true
         clearAnimation()
         val factor = BlurFactor()
         factor.width = width
@@ -117,8 +118,8 @@ class BlurredImageView @JvmOverloads constructor(
      * Animate view back to original state and remove drawable when finished
      */
     fun removeBlur() {
-        if (!blurred) return
-        blurred = false
+        if (!isBlurred) return
+        isBlurred = false
         scaleAnimate(1.0f).start()
         image_blur.alphaAnimate(0f).withEndAction { image_blur.setImageDrawable(null) }.start()
         image_foreground.alphaAnimate(0f).start()
@@ -128,7 +129,7 @@ class BlurredImageView @JvmOverloads constructor(
      * Clear all animations and unblur the image
      */
     fun removeBlurInstantly() {
-        blurred = false
+        isBlurred = false
         clearAnimation()
         scaleX = 1.0f
         scaleX = 1.0f
@@ -143,9 +144,9 @@ class BlurredImageView @JvmOverloads constructor(
      * @return true if new state is blurred; false otherwise
      */
     fun toggleBlur(): Boolean {
-        if (blurred) removeBlur()
+        if (isBlurred) removeBlur()
         else blur()
-        return blurred
+        return isBlurred
     }
 
     /**
@@ -162,7 +163,7 @@ class BlurredImageView @JvmOverloads constructor(
      */
     fun fullReset() {
         reset()
-        fullAction({ it.visible().background = null })
+        fullAction { it.visible().background = null }
         image_foreground.setBackgroundColorRes(R.color.kau_blurred_image_selection_overlay)
         image_foreground.setIcon(GoogleMaterial.Icon.gmd_check, 30, Color.WHITE)
     }
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaActionItem.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaActionItem.kt
index 55b448e..552bf0f 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaActionItem.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaActionItem.kt
@@ -42,6 +42,10 @@ class MediaActionItem(
     R.id.kau_item_media_action
 ) {
 
+    override var isSelectable: Boolean
+        get() = false
+        set(_) {}
+
     override fun bindView(holder: MediaItemBasic.ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         holder.image.apply {
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt
index 5d47590..88a304f 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItem.kt
@@ -52,7 +52,7 @@ class MediaItem(val data: MediaModel) :
 
     override var isSelectable: Boolean
         get() = !failedToLoad
-        set(value) {}
+        set(_) {}
 
     override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt
index 73647b8..873289f 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaItemBasic.kt
@@ -27,29 +27,32 @@ import com.bumptech.glide.load.engine.GlideException
 import com.bumptech.glide.request.RequestListener
 import com.bumptech.glide.request.target.Target
 import com.mikepenz.fastadapter.FastAdapter
+import com.mikepenz.fastadapter.select.getSelectExtension
 
 /**
  * Created by Allan Wang on 2017-07-04.
  */
 class MediaItemBasic(val data: MediaModel) :
-    KauIItem<MediaItem, MediaItemBasic.ViewHolder>(R.layout.kau_iitem_image_basic, { ViewHolder(it) }),
+    KauIItem<MediaItemBasic.ViewHolder>(R.layout.kau_iitem_image_basic, { ViewHolder(it) }),
     GlideContract by GlideDelegate() {
 
     companion object {
         @SuppressLint("NewApi")
         fun bindEvents(activity: Activity, fastAdapter: FastAdapter<MediaItemBasic>) {
-            fastAdapter.withSelectable(false)
-                //add image data and return right away
-                .withOnClickListener { _, _, item, _ ->
-                    activity.finish(arrayListOf(item.data))
-                    true
-                }
+            fastAdapter.getSelectExtension().isSelectable = true
+            //add image data and return right away
+            fastAdapter.onClickListener = { _, _, item, _ ->
+                activity.finish(arrayListOf(item.data))
+                true
+            }
         }
     }
 
-    override fun isSelectable(): Boolean = false
+    override var isSelectable: Boolean
+        get() = false
+        set(_) {}
 
-    override fun bindView(holder: ViewHolder, payloads: List<Any>) {
+    override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
         super.bindView(holder, payloads)
         glide(holder.itemView)
             .load(data.data)
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaModel.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaModel.kt
index edd6199..1ba8041 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaModel.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaModel.kt
@@ -85,6 +85,8 @@ data class MediaModel(
     }
 
     companion object CREATOR : Parcelable.Creator<MediaModel> {
+        @Suppress("DEPRECATION")
+        // TODO verify data deprecation
         val projection = arrayOf(
             MediaStore.MediaColumns.DATA,
             MediaStore.MediaColumns.MIME_TYPE,
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityBase.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityBase.kt
index 5e5d1ed..c7cff55 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityBase.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityBase.kt
@@ -26,7 +26,9 @@ import ca.allanwang.kau.utils.setIcon
 import ca.allanwang.kau.utils.toDrawable
 import ca.allanwang.kau.utils.toast
 import com.google.android.material.appbar.AppBarLayout
-import com.mikepenz.google_material_typeface_library.GoogleMaterial
+import com.mikepenz.fastadapter.ISelectionListener
+import com.mikepenz.fastadapter.select.selectExtension
+import com.mikepenz.iconics.typeface.library.googlematerial.GoogleMaterial
 import kotlinx.android.synthetic.main.kau_activity_image_picker.*
 
 /**
@@ -46,21 +48,37 @@ abstract class MediaPickerActivityBase(
 
         setContentView(R.layout.kau_activity_image_picker)
 
-        kau_selection_count.setCompoundDrawables(null, null, GoogleMaterial.Icon.gmd_image.toDrawable(this, 18), null)
+        kau_selection_count.setCompoundDrawables(
+            null,
+            null,
+            GoogleMaterial.Icon.gmd_image.toDrawable(this, 18),
+            null
+        )
 
         setSupportActionBar(kau_toolbar)
         supportActionBar?.apply {
             setDisplayHomeAsUpEnabled(true)
             setDisplayShowHomeEnabled(true)
-            setHomeAsUpIndicator(GoogleMaterial.Icon.gmd_close.toDrawable(this@MediaPickerActivityBase, 18))
+            setHomeAsUpIndicator(
+                GoogleMaterial.Icon.gmd_close.toDrawable(
+                    this@MediaPickerActivityBase,
+                    18
+                )
+            )
         }
         kau_toolbar.setNavigationOnClickListener { onBackPressed() }
 
         initializeRecycler(kau_recyclerview)
 
-        MediaItem.bindEvents(adapter.fastAdapter)
-        adapter.fastAdapter.withSelectionListener { _, _ ->
-            kau_selection_count.text = adapter.selectionSize.toString()
+        adapter.fastAdapter!!.let {
+            MediaItem.bindEvents(it)
+            it.selectExtension {
+                selectionListener = object : ISelectionListener<MediaItem> {
+                    override fun onSelectionChanged(item: MediaItem?, selected: Boolean) {
+                        kau_selection_count.text = adapter.selectionSize.toString()
+                    }
+                }
+            }
         }
 
         kau_fab.apply {
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityOverlayBase.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityOverlayBase.kt
index a7ee63d..df47688 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityOverlayBase.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerActivityOverlayBase.kt
@@ -39,7 +39,7 @@ abstract class MediaPickerActivityOverlayBase(
         super.onCreate(savedInstanceState)
         setContentView(R.layout.kau_activity_image_picker_overlay)
         initializeRecycler(kau_recyclerview)
-        MediaItemBasic.bindEvents(this, adapter.fastAdapter)
+        MediaItemBasic.bindEvents(this, adapter.fastAdapter!!)
 
         kau_draggable.addExitListener(this, R.transition.kau_image_exit_bottom, R.transition.kau_image_exit_top)
         kau_draggable.setOnClickListener { finishAfterTransition() }
diff --git a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt
index c928e04..116f511 100644
--- a/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt
+++ b/mediapicker/src/main/kotlin/ca/allanwang/kau/mediapicker/MediaPickerCore.kt
@@ -46,13 +46,10 @@ import com.bumptech.glide.Glide
 import com.bumptech.glide.RequestManager
 import com.mikepenz.fastadapter.IItem
 import com.mikepenz.fastadapter.adapters.ItemAdapter
-import com.mikepenz.iconics.IconicsDrawable
-import com.mikepenz.iconics.colorInt
-import com.mikepenz.iconics.paddingPx
-import com.mikepenz.iconics.sizePx
+import com.mikepenz.iconics.dsl.ExperimentalIconicsDSL
+import com.mikepenz.iconics.dsl.iconicsDrawable
 import com.mikepenz.iconics.typeface.IIcon
 import com.mikepenz.iconics.typeface.library.googlematerial.GoogleMaterial
-import com.mikepenz.iconics.utils.toIconicsColor
 import kotlinx.coroutines.CancellationException
 import java.io.File
 
@@ -91,16 +88,19 @@ abstract class MediaPickerCore<T : IItem<*>>(
         /**
          * Create error tile for a given item
          */
+        @ExperimentalIconicsDSL
         fun getErrorDrawable(context: Context) =
             getIconDrawable(context, GoogleMaterial.Icon.gmd_error, accentColor)
 
+        @ExperimentalIconicsDSL
         fun getIconDrawable(context: Context, iicon: IIcon, color: Int): Drawable {
-            val sizePx = MediaPickerCore.computeViewSize(context)
-            return IconicsDrawable(context, iicon)
-                .sizePx(sizePx)
-                .backgroundColor(color.toIconicsColor())
-                .paddingPx(sizePx / 3)
-                .colorInt(Color.WHITE)
+            val sizePx = computeViewSize(context)
+            return context.iconicsDrawable(iicon) {
+                size = sizePx(sizePx)
+                backgroundColor = colorInt(color)
+                padding = sizePx(sizePx / 3)
+                this.color = colorInt(Color.WHITE)
+            }
         }
 
         var accentColor: Int = 0xff666666.toInt()
@@ -110,12 +110,12 @@ abstract class MediaPickerCore<T : IItem<*>>(
          * This is used for both single and multiple photo picks
          */
         fun onMediaPickerResult(resultCode: Int, data: Intent?): List<MediaModel> {
-            if (resultCode != Activity.RESULT_OK || data == null || !data.hasExtra(
-                    MEDIA_PICKER_RESULT
-                )
-            )
+            if (resultCode != Activity.RESULT_OK ||
+                data?.hasExtra(MEDIA_PICKER_RESULT) != true
+            ) {
                 return emptyList()
-            return data.getParcelableArrayListExtra(MEDIA_PICKER_RESULT)
+            }
+            return data.getParcelableArrayListExtra(MEDIA_PICKER_RESULT) ?: emptyList()
         }
 
         /**
@@ -278,8 +278,8 @@ abstract class MediaPickerCore<T : IItem<*>>(
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         if (resultCode != RESULT_OK) {
-            if (tempPath != null) {
-                val f = File(tempPath)
+            tempPath?.let {
+                val f = File(it)
                 if (f.exists()) f.delete()
                 tempPath = null
             }
@@ -295,14 +295,18 @@ abstract class MediaPickerCore<T : IItem<*>>(
 
     private fun onCameraResult(data: Intent?) {
         val f: File
-        if (tempPath != null) {
-            f = File(tempPath)
-            tempPath = null
-        } else if (data?.data != null) {
-            f = File(data.data!!.path)
-        } else {
-            KL.d { "Media camera no file found" }
-            return
+        val tempPath = tempPath
+        val dataPath = data?.data?.path
+        when {
+            tempPath != null -> {
+                f = File(tempPath)
+                this.tempPath = null
+            }
+            dataPath != null -> f = File(dataPath)
+            else -> {
+                KL.d { "Media camera no file found" }
+                return
+            }
         }
         if (f.exists()) {
             KL.v { "Media camera path found: ${f.absolutePath}" }
@@ -315,9 +319,10 @@ abstract class MediaPickerCore<T : IItem<*>>(
 
     private fun onPickerResult(data: Intent?) {
         val items = mutableListOf<Uri>()
-        if (data?.data != null) {
-            KL.v { "Media picker data uri: ${data.data!!.path}" }
-            items.add(data.data!!)
+        val _data = data?.data
+        if (_data != null) {
+            KL.v { "Media picker data uri: ${_data.path}" }
+            items.add(_data)
         } else if (data != null) {
             val clip = data.clipData
             if (clip != null) {
diff --git a/sample/build.gradle b/sample/build.gradle
index cacd21f..1441cf0 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -76,6 +76,7 @@ android {
     packagingOptions {
         pickFirst 'META-INF/core_release.kotlin_module'
         pickFirst 'META-INF/library_release.kotlin_module'
+        pickFirst 'META-INF/library-core_release.kotlin_module'
     }
 
     compileOptions {
diff --git a/sample/src/main/kotlin/ca/allanwang/kau/sample/AdapterActivity.kt b/sample/src/main/kotlin/ca/allanwang/kau/sample/AdapterActivity.kt
index 8c35c77..2fedbeb 100644
--- a/sample/src/main/kotlin/ca/allanwang/kau/sample/AdapterActivity.kt
+++ b/sample/src/main/kotlin/ca/allanwang/kau/sample/AdapterActivity.kt
@@ -22,7 +22,7 @@ import ca.allanwang.kau.ui.activities.ElasticRecyclerActivity
 import ca.allanwang.kau.utils.toast
 import com.mikepenz.fastadapter.IItem
 import com.mikepenz.fastadapter.adapters.ItemAdapter
-import com.mikepenz.google_material_typeface_library.GoogleMaterial
+import com.mikepenz.iconics.typeface.library.googlematerial.GoogleMaterial
 
 /**
  * Created by Allan Wang on 2017-07-17.
diff --git a/sample/src/main/kotlin/ca/allanwang/kau/sample/AnimActivity.kt b/sample/src/main/kotlin/ca/allanwang/kau/sample/AnimActivity.kt
index aaa6143..f6d5ccc 100644
--- a/sample/src/main/kotlin/ca/allanwang/kau/sample/AnimActivity.kt
+++ b/sample/src/main/kotlin/ca/allanwang/kau/sample/AnimActivity.kt
@@ -43,14 +43,20 @@ class AnimActivity : KauBaseActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         val adapter = FastItemAdapter<PermissionCheckbox>()
-        setContentView(fullLinearRecycler(adapter).apply { setBackgroundColor(KPrefSample.bgColor.withAlpha(255)) })
+        setContentView(fullLinearRecycler(adapter).apply {
+            setBackgroundColor(
+                KPrefSample.bgColor.withAlpha(
+                    255
+                )
+            )
+        })
 
         adapter.add(listOf(
             PERMISSION_ACCESS_COARSE_LOCATION,
             PERMISSION_ACCESS_FINE_LOCATION,
             PERMISSION_CAMERA
         ).map { PermissionCheckbox(it) })
-        adapter.withOnClickListener { _, _, item, _ ->
+        adapter.onClickListener = { _, _, item, _ ->
             KL.d { "Perm Click" }
             kauRequestPermissions(item.permission) { granted, _ ->
                 toast("${item.permission} enabled: $granted")
diff --git a/sample/src/main/kotlin/ca/allanwang/kau/sample/MainActivity.kt b/sample/src/main/kotlin/ca/allanwang/kau/sample/MainActivity.kt
index f4a09cf..11d19e5 100644
--- a/sample/src/main/kotlin/ca/allanwang/kau/sample/MainActivity.kt
+++ b/sample/src/main/kotlin/ca/allanwang/kau/sample/MainActivity.kt
@@ -39,7 +39,7 @@ import ca.allanwang.kau.utils.toast
 import ca.allanwang.kau.utils.withSceneTransitionAnimation
 import ca.allanwang.kau.xml.showChangelog
 import com.afollestad.materialdialogs.input.input
-import com.mikepenz.google_material_typeface_library.GoogleMaterial
+import com.mikepenz.iconics.typeface.library.googlematerial.GoogleMaterial
 
 class MainActivity : KPrefActivity() {
 
diff --git a/sample/src/main/kotlin/ca/allanwang/kau/sample/PermissionCheckbox.kt b/sample/src/main/kotlin/ca/allanwang/kau/sample/PermissionCheckbox.kt
index 025179d..7cf6cc1 100644
--- a/sample/src/main/kotlin/ca/allanwang/kau/sample/PermissionCheckbox.kt
+++ b/sample/src/main/kotlin/ca/allanwang/kau/sample/PermissionCheckbox.kt
@@ -25,7 +25,7 @@ import ca.allanwang.kau.utils.hasPermission
 /**
  * Created by Allan Wang on 2017-07-03.
  */
-class PermissionCheckbox(val permission: String) : KauIItem<PermissionCheckbox, PermissionCheckbox.ViewHolder>(
+class PermissionCheckbox(val permission: String) : KauIItem<PermissionCheckbox.ViewHolder>(
     R.layout.permission_checkbox, { ViewHolder(it) }) {
 
     override fun bindView(holder: ViewHolder, payloads: MutableList<Any>) {
diff --git a/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchItem.kt b/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchItem.kt
index 7747d81..7bf01b3 100644
--- a/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchItem.kt
+++ b/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchItem.kt
@@ -32,7 +32,7 @@ import ca.allanwang.kau.utils.setIcon
 import ca.allanwang.kau.utils.setRippleBackground
 import ca.allanwang.kau.utils.visible
 import com.mikepenz.iconics.typeface.IIcon
-import com.mikepenz.google_material_typeface_library.GoogleMaterial
+import com.mikepenz.iconics.typeface.library.googlematerial.GoogleMaterial
 
 /**
  * Created by Allan Wang on 2017-06-23.
@@ -47,7 +47,7 @@ class SearchItem(
     val description: String? = null,
     val iicon: IIcon? = GoogleMaterial.Icon.gmd_search,
     val image: Drawable? = null
-) : KauIItem<SearchItem, SearchItem.ViewHolder>(
+) : KauIItem<SearchItem.ViewHolder>(
     R.layout.kau_search_iitem,
     { ViewHolder(it) },
     R.id.kau_item_search
diff --git a/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchView.kt b/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchView.kt
index 18eb675..da06ec4 100644
--- a/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchView.kt
+++ b/searchview/src/main/kotlin/ca/allanwang/kau/searchview/SearchView.kt
@@ -63,8 +63,9 @@ import ca.allanwang.kau.utils.toDrawable
 import ca.allanwang.kau.utils.visible
 import ca.allanwang.kau.utils.withLinearAdapter
 import com.mikepenz.fastadapter.adapters.FastItemAdapter
+import com.mikepenz.fastadapter.select.selectExtension
 import com.mikepenz.iconics.typeface.IIcon
-import com.mikepenz.google_material_typeface_library.GoogleMaterial
+import com.mikepenz.iconics.typeface.library.googlematerial.GoogleMaterial
 import kotlinx.android.synthetic.main.kau_search_view.view.*
 
 /**
@@ -255,7 +256,11 @@ class SearchView @JvmOverloads constructor(
             val list = if (value.isEmpty() && configs.noResultsFound != INVALID_ID)
                 listOf(SearchItem("", context.string(configs.noResultsFound), iicon = null))
             else value
-            if (configs.highlightQueryText && value.isNotEmpty()) list.forEach { it.withHighlights(kau_search_edit_text.text?.toString()) }
+            if (configs.highlightQueryText && value.isNotEmpty()) list.forEach {
+                it.withHighlights(
+                    kau_search_edit_text.text?.toString()
+                )
+            }
             cardTransition()
             adapter.setNewList(list)
         }
@@ -297,7 +302,8 @@ class SearchView @JvmOverloads constructor(
         View.inflate(context, R.layout.kau_search_view, this)
         z = 99f
         kau_search_nav.setSearchIcon(configs.navIcon).setOnClickListener { revealClose() }
-        kau_search_clear.setSearchIcon(configs.clearIcon).setOnClickListener { kau_search_edit_text.text?.clear() }
+        kau_search_clear.setSearchIcon(configs.clearIcon)
+            .setOnClickListener { kau_search_edit_text.text?.clear() }
         tintForeground(configs.foregroundColor)
         tintBackground(configs.backgroundColor)
         with(kau_search_recycler) {
@@ -312,11 +318,18 @@ class SearchView @JvmOverloads constructor(
             itemAnimator = null
         }
         with(adapter) {
-            withSelectable(true)
-            withOnClickListener { _, _, item, position ->
-                if (item.key.isNotBlank()) configs.onItemClick(position, item.key, item.content, this@SearchView); true
+            selectExtension {
+                isSelectable = true
+            }
+            onClickListener = { _, _, item, position ->
+                if (item.key.isNotBlank()) configs.onItemClick(
+                    position,
+                    item.key,
+                    item.content,
+                    this@SearchView
+                ); true
             }
-            withOnLongClickListener { _, _, item, position ->
+            onLongClickListener = { _, _, item, position ->
                 if (item.key.isNotBlank()) configs.onItemLongClick(
                     position,
                     item.key,
@@ -420,7 +433,8 @@ class SearchView @JvmOverloads constructor(
         menuX = (locations[0] + view.width / 2)
         menuHalfHeight = view.height / 2
         menuY = (locations[1] + menuHalfHeight)
-        kau_search_cardview.viewTreeObserver.addOnPreDrawListener(object : ViewTreeObserver.OnPreDrawListener {
+        kau_search_cardview.viewTreeObserver.addOnPreDrawListener(object :
+            ViewTreeObserver.OnPreDrawListener {
             override fun onPreDraw(): Boolean {
                 view.viewTreeObserver.removeOnPreDrawListener(this)
                 kau_search_cardview.setMarginTop(menuY - kau_search_cardview.height / 2)
@@ -474,7 +488,11 @@ class SearchView @JvmOverloads constructor(
             configs.openListener?.invoke(this@SearchView)
             kau_search_shadow.fadeIn()
             kau_search_edit_text.showKeyboard()
-            kau_search_cardview.circularReveal(menuX, menuHalfHeight, duration = configs.revealDuration) {
+            kau_search_cardview.circularReveal(
+                menuX,
+                menuHalfHeight,
+                duration = configs.revealDuration
+            ) {
                 cardTransition()
                 kau_search_recycler.visible()
             }
@@ -487,7 +505,9 @@ class SearchView @JvmOverloads constructor(
             kau_search_shadow.fadeOut(duration = configs.transitionDuration)
             cardTransition {
                 addEndListener {
-                    kau_search_cardview.circularHide(menuX, menuHalfHeight, duration = configs.revealDuration,
+                    kau_search_cardview.circularHide(menuX,
+                        menuHalfHeight,
+                        duration = configs.revealDuration,
                         onFinish = {
                             configs.closeListener?.invoke(this@SearchView)
                             if (configs.shouldClearOnClose) kau_search_edit_text.text?.clear()
@@ -512,7 +532,8 @@ fun Activity.bindSearchView(
     @IdRes id: Int,
     @ColorInt menuIconColor: Int = Color.WHITE,
     config: Configs.() -> Unit = {}
-): SearchView = findViewById<ViewGroup>(android.R.id.content).bindSearchView(menu, id, menuIconColor, config)
+): SearchView =
+    findViewById<ViewGroup>(android.R.id.content).bindSearchView(menu, id, menuIconColor, config)
 
 /**
  * Bind searchView to a menu item; call this in [Activity.onCreateOptionsMenu]
@@ -528,7 +549,10 @@ fun ViewGroup.bindSearchView(
 ): SearchView {
     val searchView = SearchView(context)
     searchView.layoutParams =
-        FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT)
+        FrameLayout.LayoutParams(
+            FrameLayout.LayoutParams.MATCH_PARENT,
+            FrameLayout.LayoutParams.MATCH_PARENT
+        )
     addView(searchView)
     searchView.bind(menu, id, menuIconColor, config)
     return searchView