Merge dev

21 files changed, 436 insertions, 172 deletions

diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KClick.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KClick.kt
index c02b024..119f5eb 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KClick.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KClick.kt
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity
 
 import android.content.Context
@@ -24,4 +39,4 @@ interface KClick<T> {
      * The item holding the data
      */
     val item: KPrefItemBase<T>
-}
\ No newline at end of file
+}
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 b9681e9..edaf347 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
@@ -1,22 +1,42 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity
 
 import android.annotation.SuppressLint
 import android.os.Bundle
-import android.support.annotation.StringRes
-import android.support.v7.widget.Toolbar
 import android.view.View
+import androidx.annotation.StringRes
+import androidx.appcompat.widget.Toolbar
 import ca.allanwang.kau.animators.KauAnimator
 import ca.allanwang.kau.animators.SlideAnimatorAdd
 import ca.allanwang.kau.animators.SlideAnimatorRemove
 import ca.allanwang.kau.internal.KauBaseActivity
 import ca.allanwang.kau.kpref.activity.items.KPrefItemCore
 import ca.allanwang.kau.ui.views.RippleCanvas
-import ca.allanwang.kau.utils.*
+import ca.allanwang.kau.utils.KAU_LEFT
+import ca.allanwang.kau.utils.KAU_RIGHT
+import ca.allanwang.kau.utils.resolveColor
+import ca.allanwang.kau.utils.statusBarColor
+import ca.allanwang.kau.utils.withLinearAdapter
 import com.mikepenz.fastadapter.commons.adapters.FastItemAdapter
 import kotlinx.android.synthetic.main.kau_pref_activity.*
-import org.jetbrains.anko.doAsync
-import org.jetbrains.anko.uiThread
-import java.util.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.util.Stack
 
 abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
 
@@ -32,12 +52,16 @@ abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
     var animate: Boolean = true
 
     private val recyclerAnimatorNext: KauAnimator by lazy {
-        KauAnimator(SlideAnimatorAdd(KAU_RIGHT, itemDelayFactor = 0f),
-                SlideAnimatorRemove(KAU_LEFT, itemDelayFactor = 0f))
+        KauAnimator(
+            SlideAnimatorAdd(KAU_RIGHT, itemDelayFactor = 0f),
+            SlideAnimatorRemove(KAU_LEFT, itemDelayFactor = 0f)
+        )
     }
     private val recyclerAnimatorPrev: KauAnimator by lazy {
-        KauAnimator(SlideAnimatorAdd(KAU_LEFT, itemDelayFactor = 0f),
-                SlideAnimatorRemove(KAU_RIGHT, itemDelayFactor = 0f))
+        KauAnimator(
+            SlideAnimatorAdd(KAU_LEFT, itemDelayFactor = 0f),
+            SlideAnimatorRemove(KAU_RIGHT, itemDelayFactor = 0f)
+        )
     }
 
     /**
@@ -69,26 +93,36 @@ abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
         globalOptions = GlobalOptions(core, this)
         kau_recycler.withLinearAdapter(adapter)
         adapter.withSelectable(false)
-                .withOnClickListener { v, _, item, _ -> item.onClick(v!!); true }
+            .withOnClickListener { v, _, item, _ -> item.onClick(v!!); true }
         showNextPrefs(R.string.kau_settings, onCreateKPrefs(savedInstanceState), true)
     }
 
-    override fun showNextPrefs(@StringRes toolbarTitleRes: Int, builder: KPrefAdapterBuilder.() -> Unit) = showNextPrefs(toolbarTitleRes, builder, false)
-
-    private fun showNextPrefs(@StringRes toolbarTitleRes: Int, builder: KPrefAdapterBuilder.() -> Unit, first: Boolean) {
-        doAsync {
-            val items = KPrefAdapterBuilder(globalOptions)
-            builder(items)
-            kprefStack.push(toolbarTitleRes to items.list)
-            kau_recycler.itemAnimator = if (animate && !first) recyclerAnimatorNext else null
-            uiThread {
-                adapter.clear()
-                adapter.add(items.list.filter { it.core.visible() })
-                toolbar.setTitle(toolbarTitleRes)
+    override fun showNextPrefs(@StringRes toolbarTitleRes: Int, builder: KPrefAdapterBuilder.() -> Unit) =
+        showNextPrefs(toolbarTitleRes, builder, false)
+
+    private fun showNextPrefs(
+        @StringRes toolbarTitleRes: Int,
+        builder: KPrefAdapterBuilder.() -> Unit,
+        first: Boolean
+    ) {
+        launch {
+            val items = withContext(Dispatchers.Default) {
+                val items = KPrefAdapterBuilder(globalOptions)
+                builder(items)
+                kprefStack.push(toolbarTitleRes to items.list)
+                items.list
             }
+            kau_recycler.itemAnimator = if (animate && !first) recyclerAnimatorNext else null
+            show(toolbarTitleRes, items)
         }
     }
 
+    private fun show(@StringRes toolbarTitleRes: Int, items: List<KPrefItemCore>) {
+        toolbar.setTitle(toolbarTitleRes)
+        adapter.clear()
+        adapter.add(items.filter { it.core.visible() })
+    }
+
     /**
      * Pops the stack and loads the next kpref list
      * Indices are not checked so ensure that this is possible first
@@ -97,9 +131,7 @@ abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
         kprefStack.pop()
         val (title, list) = kprefStack.peek()
         kau_recycler.itemAnimator = if (animate) recyclerAnimatorPrev else null
-        adapter.clear()
-        adapter.add(list.filter { it.core.visible() })
-        toolbar.setTitle(title)
+        show(title, list)
     }
 
     /**
@@ -162,4 +194,3 @@ abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
         return false
     }
 }
-
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefBinder.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefBinder.kt
index 2cdeae2..764831e 100644
--- a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefBinder.kt
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefBinder.kt
@@ -1,7 +1,31 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity
 
-import android.support.annotation.StringRes
-import ca.allanwang.kau.kpref.activity.items.*
+import androidx.annotation.StringRes
+import ca.allanwang.kau.kpref.activity.items.KPrefCheckbox
+import ca.allanwang.kau.kpref.activity.items.KPrefColorPicker
+import ca.allanwang.kau.kpref.activity.items.KPrefHeader
+import ca.allanwang.kau.kpref.activity.items.KPrefItemBase
+import ca.allanwang.kau.kpref.activity.items.KPrefItemCore
+import ca.allanwang.kau.kpref.activity.items.KPrefPlainText
+import ca.allanwang.kau.kpref.activity.items.KPrefSeekbar
+import ca.allanwang.kau.kpref.activity.items.KPrefSubItems
+import ca.allanwang.kau.kpref.activity.items.KPrefText
+import ca.allanwang.kau.kpref.activity.items.KPrefTimePicker
 
 /**
  * Created by Allan Wang on 2017-06-08.
@@ -35,11 +59,11 @@ interface KPrefActivityContract {
     fun reloadByTitle(@StringRes vararg title: Int)
 }
 
-
-class GlobalOptions(core: CoreAttributeContract, activity: KPrefActivityContract
+class GlobalOptions(
+    core: CoreAttributeContract,
+    activity: KPrefActivityContract
 ) : CoreAttributeContract by core, KPrefActivityContract by activity
 
-
 /**
  * Builder for kpref items
  * Contains DSLs for every possible item
@@ -56,51 +80,79 @@ class KPrefAdapterBuilder(val globalOptions: GlobalOptions) {
     fun header(@StringRes title: Int) = list.add(KPrefHeader(KPrefItemCore.CoreBuilder(globalOptions, title)))
 
     @KPrefMarker
-    fun checkbox(@StringRes title: Int,
-                 getter: (() -> Boolean),
-                 setter: ((value: Boolean) -> Unit),
-                 builder: KPrefItemBase.BaseContract<Boolean>.() -> Unit = {}) = list.add(KPrefCheckbox(KPrefItemBase.BaseBuilder(globalOptions, title, getter, setter)
-            .apply { builder() }))
+    fun checkbox(
+        @StringRes title: Int,
+        getter: () -> Boolean,
+        setter: KPrefItemActions.(value: Boolean) -> Unit,
+        builder: KPrefItemBase.BaseContract<Boolean>.() -> Unit = {}
+    ) = list.add(
+        KPrefCheckbox(KPrefItemBase.BaseBuilder(globalOptions, title, getter, setter)
+            .apply { builder() })
+    )
 
     @KPrefMarker
-    fun colorPicker(@StringRes title: Int,
-                    getter: (() -> Int),
-                    setter: ((value: Int) -> Unit),
-                    builder: KPrefColorPicker.KPrefColorContract.() -> Unit = {}) = list.add(KPrefColorPicker(KPrefColorPicker.KPrefColorBuilder(globalOptions, title, getter, setter)
-            .apply { builder() }))
+    fun colorPicker(
+        @StringRes title: Int,
+        getter: () -> Int,
+        setter: KPrefItemActions.(value: Int) -> Unit,
+        builder: KPrefColorPicker.KPrefColorContract.() -> Unit = {}
+    ) = list.add(
+        KPrefColorPicker(KPrefColorPicker.KPrefColorBuilder(globalOptions, title, getter, setter)
+            .apply { builder() })
+    )
 
     @KPrefMarker
-    fun <T> text(@StringRes title: Int,
-                 getter: (() -> T),
-                 setter: ((value: T) -> Unit),
-                 builder: KPrefText.KPrefTextContract<T>.() -> Unit = {}) = list.add(KPrefText(KPrefText.KPrefTextBuilder(globalOptions, title, getter, setter)
-            .apply { builder() }))
+    fun <T> text(
+        @StringRes title: Int,
+        getter: () -> T,
+        setter: KPrefItemActions.(value: T) -> Unit,
+        builder: KPrefText.KPrefTextContract<T>.() -> Unit = {}
+    ) = list.add(
+        KPrefText(KPrefText.KPrefTextBuilder(globalOptions, title, getter, setter)
+            .apply { builder() })
+    )
 
     @KPrefMarker
-    fun subItems(@StringRes title: Int,
-                 itemBuilder: KPrefAdapterBuilder.() -> Unit,
-                 builder: KPrefSubItems.KPrefSubItemsContract.() -> Unit) = list.add(KPrefSubItems(KPrefSubItems.KPrefSubItemsBuilder(globalOptions, title, itemBuilder)
-            .apply { builder() }))
+    fun subItems(
+        @StringRes title: Int,
+        itemBuilder: KPrefAdapterBuilder.() -> Unit,
+        builder: KPrefSubItems.KPrefSubItemsContract.() -> Unit
+    ) = list.add(
+        KPrefSubItems(KPrefSubItems.KPrefSubItemsBuilder(globalOptions, title, itemBuilder)
+            .apply { builder() })
+    )
 
     @KPrefMarker
-    fun plainText(@StringRes title: Int,
-                  builder: KPrefItemBase.BaseContract<Unit>.() -> Unit = {}) = list.add(KPrefPlainText(KPrefPlainText.KPrefPlainTextBuilder(globalOptions, title)
-            .apply { builder() }))
+    fun plainText(
+        @StringRes title: Int,
+        builder: KPrefItemBase.BaseContract<Unit>.() -> Unit = {}
+    ) = list.add(
+        KPrefPlainText(KPrefPlainText.KPrefPlainTextBuilder(globalOptions, title)
+            .apply { builder() })
+    )
 
     @KPrefMarker
-    fun seekbar(@StringRes title: Int,
-                getter: (() -> Int),
-                setter: ((value: Int) -> Unit),
-                builder: KPrefSeekbar.KPrefSeekbarContract.() -> Unit = {}) = list.add(KPrefSeekbar(KPrefSeekbar.KPrefSeekbarBuilder(globalOptions, title, getter, setter)
-            .apply { builder() }))
+    fun seekbar(
+        @StringRes title: Int,
+        getter: () -> Int,
+        setter: KPrefItemActions.(value: Int) -> Unit,
+        builder: KPrefSeekbar.KPrefSeekbarContract.() -> Unit = {}
+    ) = list.add(
+        KPrefSeekbar(KPrefSeekbar.KPrefSeekbarBuilder(globalOptions, title, getter, setter)
+            .apply { builder() })
+    )
 
     @KPrefMarker
-    fun timePicker(@StringRes title: Int,
-                   getter: (() -> Int),
-                   setter: ((value: Int) -> Unit),
-                   builder: KPrefTimePicker.KPrefTimeContract.() -> Unit = {}) = list.add(KPrefTimePicker(KPrefTimePicker.KPrefTimeBuilder(globalOptions, title, getter, setter)
-            .apply { builder() }))
+    fun timePicker(
+        @StringRes title: Int,
+        getter: () -> Int,
+        setter: KPrefItemActions.(value: Int) -> Unit,
+        builder: KPrefTimePicker.KPrefTimeContract.() -> Unit = {}
+    ) = list.add(
+        KPrefTimePicker(KPrefTimePicker.KPrefTimeBuilder(globalOptions, title, getter, setter)
+            .apply { builder() })
+    )
 
     @KPrefMarker
     val list: MutableList<KPrefItemCore> = mutableListOf()
-}
\ No newline at end of file
+}
diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefItemActions.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefItemActions.kt
new file mode 100644
index 0000000..e28bac6
--- /dev/null
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/KPrefItemActions.kt
@@ -0,0 +1,11 @@
+package ca.allanwang.kau.kpref.activity
+
+/**
+ * Applicable actions
+ */
+interface KPrefItemActions {
+    /**
+     * Attempts to reload current item by identifying it with its titleId
+     */
+    fun reloadSelf()
+}
\ No newline at end of file
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 f391747..0f025a6 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
@@ -1,7 +1,22 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
-import android.support.v7.widget.AppCompatCheckBox
 import android.widget.CheckBox
+import androidx.appcompat.widget.AppCompatCheckBox
 import ca.allanwang.kau.kpref.activity.KClick
 import ca.allanwang.kau.kpref.activity.R
 import ca.allanwang.kau.utils.tint
@@ -28,5 +43,4 @@ open class KPrefCheckbox(builder: BaseContract<Boolean>) : KPrefItemBase<Boolean
     }
 
     override fun getType(): Int = R.id.kau_item_pref_checkbox
-
-}
\ No newline at end of file
+}
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 3201fbd..8b051c5 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
@@ -1,12 +1,29 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import ca.allanwang.kau.colorpicker.CircleView
 import ca.allanwang.kau.colorpicker.ColorBuilder
 import ca.allanwang.kau.colorpicker.ColorContract
-import ca.allanwang.kau.colorpicker.colorPickerDialog
+import ca.allanwang.kau.colorpicker.kauColorChooser
 import ca.allanwang.kau.kpref.activity.GlobalOptions
 import ca.allanwang.kau.kpref.activity.KClick
+import ca.allanwang.kau.kpref.activity.KPrefItemActions
 import ca.allanwang.kau.kpref.activity.R
+import com.afollestad.materialdialogs.MaterialDialog
 
 /**
  * Created by Allan Wang on 2017-06-07.
@@ -18,50 +35,52 @@ open class KPrefColorPicker(open val builder: KPrefColorContract) : KPrefItemBas
 
     override fun bindView(holder: ViewHolder, payloads: List<Any>) {
         super.bindView(holder, payloads)
-        builder.apply {
-            titleRes = core.titleFun()
-            colorCallback = { pref = it }
-        }
         if (builder.showPreview) {
             val preview = holder.bindInnerView<CircleView>(R.layout.kau_pref_color)
             preview.setBackgroundColor(pref)
             preview.withBorder = true
-            builder.apply {
-                colorCallback = {
-                    pref = it
-                    if (builder.showPreview)
-                        preview.setBackgroundColor(it)
-                    holder.updateTitle()
-                    holder.updateDesc()
-                }
+            builder.callback = { _, color ->
+                pref = color
+                if (builder.showPreview)
+                    preview.setBackgroundColor(color)
+                holder.updateTitle()
+                holder.updateDesc()
             }
+        } else {
+            builder.callback = { _, color -> pref = color }
         }
     }
 
     override fun KClick<Int>.defaultOnClick() {
         builder.defaultColor = pref
-        context.colorPickerDialog(builder).show()
+        MaterialDialog(context).show {
+            kauColorChooser(builder)
+            builder.dialogBuilder(this)
+            title(core.titleFun())
+        }
     }
 
     /**
      * Extension of the base contract and [ColorContract] along with a showPreview option
      */
-    interface KPrefColorContract : BaseContract<Int>, ColorContract {
+    interface KPrefColorContract : KPrefItemBase.BaseContract<Int>, ColorContract {
         var showPreview: Boolean
+        var dialogBuilder: MaterialDialog.() -> Unit
     }
 
     /**
      * Default implementation of [KPrefColorContract]
      */
-    class KPrefColorBuilder(globalOptions: GlobalOptions,
-                            titleId: Int,
-                            getter: () -> Int,
-                            setter: (value: Int) -> Unit
-    ) : KPrefColorContract, BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter),
-            ColorContract by ColorBuilder() {
+    class KPrefColorBuilder(
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        getter: () -> Int,
+        setter: KPrefItemActions.(value: Int) -> Unit
+    ) : KPrefColorContract, KPrefItemBase.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
-
-}
\ No newline at end of file
+}
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 9b63a52..7d73322 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
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import ca.allanwang.kau.kpref.activity.R
@@ -18,5 +33,4 @@ open class KPrefHeader(builder: CoreContract) : KPrefItemCore(builder) {
     }
 
     override fun getType() = R.id.kau_item_pref_header
-
-}
\ No newline at end of file
+}
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 5081f50..c597b63 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
@@ -1,9 +1,25 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
-import android.support.annotation.CallSuper
 import android.view.View
+import androidx.annotation.CallSuper
 import ca.allanwang.kau.kpref.activity.GlobalOptions
 import ca.allanwang.kau.kpref.activity.KClick
+import ca.allanwang.kau.kpref.activity.KPrefItemActions
 import ca.allanwang.kau.kpref.activity.R
 import ca.allanwang.kau.utils.resolveDrawable
 
@@ -17,7 +33,7 @@ abstract class KPrefItemBase<T>(protected val base: BaseContract<T>) : KPrefItem
     open var pref: T
         get() = base.getter()
         set(value) {
-            base.setter(value)
+            base.setter(this, value)
         }
 
     private var _enabled: Boolean = true
@@ -78,20 +94,20 @@ abstract class KPrefItemBase<T>(protected val base: BaseContract<T>) : KPrefItem
         var onClick: (KClick<T>.() -> Unit)?
         var onDisabledClick: (KClick<T>.() -> Unit)?
         val getter: () -> T
-        val setter: (value: T) -> Unit
+        val setter: KPrefItemActions.(value: T) -> Unit
     }
 
     /**
      * Default implementation of [BaseContract]
      */
-    class BaseBuilder<T>(globalOptions: GlobalOptions,
-                         titleId: Int,
-                         override val getter: () -> T,
-                         override val setter: (value: T) -> Unit
+    class BaseBuilder<T>(
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        override val getter: () -> T,
+        override val setter: KPrefItemActions.(value: T) -> Unit
     ) : CoreContract by CoreBuilder(globalOptions, titleId), BaseContract<T> {
         override var enabler: () -> Boolean = { true }
         override var onClick: (KClick<T>.() -> Unit)? = null
         override var onDisabledClick: (KClick<T>.() -> Unit)? = null
     }
-
-}
\ No newline at end of file
+}
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 fcc13ba..36bf670 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
@@ -1,23 +1,44 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import android.annotation.SuppressLint
-import android.support.annotation.CallSuper
-import android.support.annotation.IdRes
-import android.support.annotation.LayoutRes
-import android.support.annotation.StringRes
-import android.support.v7.widget.RecyclerView
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
+import androidx.annotation.CallSuper
+import androidx.annotation.IdRes
+import androidx.annotation.LayoutRes
+import androidx.annotation.StringRes
+import androidx.recyclerview.widget.RecyclerView
 import ca.allanwang.kau.adapters.ThemableIItem
 import ca.allanwang.kau.adapters.ThemableIItemDelegate
 import ca.allanwang.kau.kpref.activity.GlobalOptions
+import ca.allanwang.kau.kpref.activity.KPrefItemActions
 import ca.allanwang.kau.kpref.activity.KPrefMarker
 import ca.allanwang.kau.kpref.activity.R
-import ca.allanwang.kau.utils.*
+import ca.allanwang.kau.utils.INVALID_ID
+import ca.allanwang.kau.utils.adjustAlpha
+import ca.allanwang.kau.utils.buildIsLollipopAndUp
+import ca.allanwang.kau.utils.gone
+import ca.allanwang.kau.utils.setIcon
+import ca.allanwang.kau.utils.visible
 import com.mikepenz.fastadapter.items.AbstractItem
 import com.mikepenz.iconics.typeface.IIcon
 
@@ -27,8 +48,8 @@ import com.mikepenz.iconics.typeface.IIcon
  * Core class containing nothing but the view items
  */
 
-abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCore, KPrefItemCore.ViewHolder>(),
-        ThemableIItem by ThemableIItemDelegate() {
+abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCore, KPrefItemCore.ViewHolder>(), KPrefItemActions by core,
+    ThemableIItem by ThemableIItemDelegate() {
 
     final override fun getViewHolder(v: View) = ViewHolder(v)
 
@@ -69,13 +90,15 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
     }
 
     protected inline fun withAccentColor(action: (color: Int) -> Unit) =
-            withColor(core.globalOptions.accentColor, action)
+        withColor(core.globalOptions.accentColor, action)
 
     protected inline fun withTextColor(action: (color: Int) -> Unit) =
-            withColor(core.globalOptions.textColor, action)
+        withColor(core.globalOptions.textColor, action)
 
-    protected inline fun withColor(noinline supplier: (() -> Int)?,
-                                   action: (color: Int) -> Unit) {
+    protected inline fun withColor(
+        noinline supplier: (() -> Int)?,
+        action: (color: Int) -> Unit
+    ) {
         val color = supplier?.invoke() ?: return
         action(color)
     }
@@ -97,7 +120,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
      * Core values for all kpref items
      */
     @KPrefMarker
-    interface CoreContract {
+    interface CoreContract : KPrefItemActions {
         val globalOptions: GlobalOptions
         val titleId: Int
         var titleFun: () -> Int
@@ -106,18 +129,15 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
         var descFun: () -> Int
         var iicon: IIcon?
         var visible: () -> Boolean
-
-        /**
-         * Attempts to reload current item by identifying it with its [id]
-         */
-        fun reloadSelf()
     }
 
     /**
      * Default implementation of [CoreContract]
      */
-    class CoreBuilder(override val globalOptions: GlobalOptions,
-                      override val titleId: Int) : CoreContract {
+    class CoreBuilder(
+        override val globalOptions: GlobalOptions,
+        override val titleId: Int
+    ) : CoreContract {
         override var descRes: Int = INVALID_ID
             set(value) {
                 field = value
@@ -149,7 +169,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
 
         inline fun <reified T : View> bindInnerView(@LayoutRes id: Int, onFirstBind: (T) -> Unit): T {
             val innerFrame = this.innerFrame
-                    ?: throw IllegalStateException("Cannot bind inner view when innerFrame does not exist")
+                ?: throw IllegalStateException("Cannot bind inner view when innerFrame does not exist")
             if (innerView !is T) {
                 innerFrame.removeAllViews()
                 LayoutInflater.from(innerFrame.context).inflate(id, innerFrame)
@@ -162,7 +182,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
 
         inline fun <reified T : View> bindLowerView(@LayoutRes id: Int, onFirstBind: (T) -> Unit): T {
             val lowerFrame = this.lowerFrame
-                    ?: throw IllegalStateException("Cannot bind inner view when lowerContent does not exist")
+                ?: throw IllegalStateException("Cannot bind inner view when lowerContent does not exist")
             if (lowerContent !is T) {
                 lowerFrame.removeAllViews()
                 LayoutInflater.from(lowerFrame.context).inflate(id, lowerFrame)
@@ -173,4 +193,4 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
 
         operator fun get(@IdRes id: Int): View = itemView.findViewById(id)
     }
-}
\ No newline at end of file
+}
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 40bf284..6a0aaf5 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
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import ca.allanwang.kau.kpref.activity.GlobalOptions
@@ -17,10 +32,9 @@ open class KPrefPlainText(open val builder: KPrefPlainTextBuilder) : KPrefItemBa
     override fun KClick<Unit>.defaultOnClick() = Unit
 
     class KPrefPlainTextBuilder(
-            globalOptions: GlobalOptions,
-            titleId: Int
+        globalOptions: GlobalOptions,
+        titleId: Int
     ) : BaseContract<Unit> by BaseBuilder(globalOptions, titleId, {}, {})
 
     override fun getType(): Int = R.id.kau_item_pref_plain_text
-
-}
\ No newline at end of file
+}
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 ce61e8f..a582ec4 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
@@ -1,9 +1,25 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import android.widget.SeekBar
 import android.widget.TextView
 import ca.allanwang.kau.kpref.activity.GlobalOptions
 import ca.allanwang.kau.kpref.activity.KClick
+import ca.allanwang.kau.kpref.activity.KPrefItemActions
 import ca.allanwang.kau.kpref.activity.R
 import ca.allanwang.kau.utils.tint
 
@@ -67,10 +83,10 @@ open class KPrefSeekbar(val builder: KPrefSeekbarContract) : KPrefItemBase<Int>(
      * Default implementation of [KPrefSeekbarContract]
      */
     class KPrefSeekbarBuilder(
-            globalOptions: GlobalOptions,
-            titleId: Int,
-            getter: () -> Int,
-            setter: (value: Int) -> Unit
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        getter: () -> Int,
+        setter: KPrefItemActions.(value: Int) -> Unit
     ) : KPrefSeekbarContract, BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter) {
 
         override var min: Int = 0
@@ -103,5 +119,4 @@ open class KPrefSeekbar(val builder: KPrefSeekbarContract) : KPrefItemBase<Int>(
         get() = this * increment + min
 
     override fun getType(): Int = R.id.kau_item_pref_seekbar
-
-}
\ No newline at end of file
+}
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 6753142..1fa528b 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
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import android.view.View
@@ -31,11 +46,10 @@ open class KPrefSubItems(open val builder: KPrefSubItemsContract) : KPrefItemCor
      * Default implementation of [KPrefTextContract]
      */
     class KPrefSubItemsBuilder(
-            globalOptions: GlobalOptions,
-            titleId: Int,
-            override val itemBuilder: KPrefAdapterBuilder.() -> Unit
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        override val itemBuilder: KPrefAdapterBuilder.() -> Unit
     ) : KPrefSubItemsContract, CoreContract by CoreBuilder(globalOptions, titleId)
 
     override fun getType(): Int = R.id.kau_item_pref_sub_item
-
-}
\ No newline at end of file
+}
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 2ab911b..76c9e20 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
@@ -1,8 +1,24 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import android.widget.TextView
 import ca.allanwang.kau.kpref.activity.GlobalOptions
 import ca.allanwang.kau.kpref.activity.KClick
+import ca.allanwang.kau.kpref.activity.KPrefItemActions
 import ca.allanwang.kau.kpref.activity.R
 import ca.allanwang.kau.utils.toast
 
@@ -22,7 +38,7 @@ open class KPrefText<T>(open val builder: KPrefTextContract<T>) : KPrefItemBase<
     override var pref: T
         get() = base.getter()
         set(value) {
-            base.setter(value)
+            base.setter(this, value)
             builder.reloadSelf()
         }
 
@@ -48,14 +64,13 @@ open class KPrefText<T>(open val builder: KPrefTextContract<T>) : KPrefItemBase<
      * Default implementation of [KPrefTextContract]
      */
     class KPrefTextBuilder<T>(
-            globalOptions: GlobalOptions,
-            titleId: Int,
-            getter: () -> T,
-            setter: (value: T) -> Unit
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        getter: () -> T,
+        setter: KPrefItemActions.(value: T) -> Unit
     ) : 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
-
-}
\ No newline at end of file
+}
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 f6fc40a..f50397c 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
@@ -1,11 +1,27 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.kpref.activity.items
 
 import android.app.TimePickerDialog
 import android.widget.TimePicker
 import ca.allanwang.kau.kpref.activity.GlobalOptions
 import ca.allanwang.kau.kpref.activity.KClick
+import ca.allanwang.kau.kpref.activity.KPrefItemActions
 import ca.allanwang.kau.kpref.activity.R
-import java.util.*
+import java.util.Locale
 
 /**
  * Created by Allan Wang on 2017-06-14.
@@ -30,11 +46,11 @@ open class KPrefTimePicker(override val builder: KPrefTimeContract) : KPrefText<
      * Default implementation of [KPrefTimeContract]
      */
     class KPrefTimeBuilder(
-            globalOptions: GlobalOptions,
-            titleId: Int,
-            getter: () -> Int,
-            setter: (value: Int) -> Unit
-    ) : KPrefTimeContract, BaseContract<Int> by BaseBuilder<Int>(globalOptions, titleId, getter, setter) {
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        getter: () -> Int,
+        setter: KPrefItemActions.(value: Int) -> Unit
+    ) : KPrefTimeContract, BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter) {
 
         override var use24HourFormat: Boolean = false
 
@@ -50,15 +66,13 @@ open class KPrefTimePicker(override val builder: KPrefTimeContract) : KPrefText<
             else
                 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
-
 }
 
 private val Int.splitTime: Pair<Int, Int>
     get() = Pair(this / 100, this % 100)
 
 private val Pair<Int, Int>.mergeTime: Int
-    get() = first * 100 + second
\ No newline at end of file
+    get() = first * 100 + second
diff --git a/kpref-activity/src/main/res/layout/kau_pref_activity.xml b/kpref-activity/src/main/res/layout/kau_pref_activity.xml
index 7651e5a..d6ea6e6 100644
--- a/kpref-activity/src/main/res/layout/kau_pref_activity.xml
+++ b/kpref-activity/src/main/res/layout/kau_pref_activity.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -13,7 +13,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
         android:id="@id/kau_toolbar"
         android:layout_width="0dp"
         android:layout_height="?attr/actionBarSize"
@@ -32,7 +32,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/kau_toolbar" />
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/kau_recycler"
         android:layout_width="0dp"
         android:layout_height="0dp"
@@ -41,4 +41,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/kau_toolbar" />
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/kpref-activity/src/main/res/layout/kau_pref_checkbox.xml b/kpref-activity/src/main/res/layout/kau_pref_checkbox.xml
index 1fecb4d..6c52b52 100644
--- a/kpref-activity/src/main/res/layout/kau_pref_checkbox.xml
+++ b/kpref-activity/src/main/res/layout/kau_pref_checkbox.xml
@@ -1,4 +1,4 @@
-<android.support.v7.widget.AppCompatCheckBox xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.appcompat.widget.AppCompatCheckBox xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@id/kau_pref_inner_content"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
diff --git a/kpref-activity/src/main/res/layout/kau_pref_core.xml b/kpref-activity/src/main/res/layout/kau_pref_core.xml
index 72f26d9..2571dd3 100644
--- a/kpref-activity/src/main/res/layout/kau_pref_core.xml
+++ b/kpref-activity/src/main/res/layout/kau_pref_core.xml
@@ -12,7 +12,7 @@
     android:minHeight="?android:attr/listPreferredItemHeightSmall"
     android:orientation="horizontal">
 
-    <android.support.constraint.ConstraintLayout
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@id/kau_pref_container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -22,7 +22,7 @@
 
         <!--As per Android N, icons (24dp) are aligned to the left rather than centered-->
 
-        <android.support.v7.widget.AppCompatImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:id="@id/kau_pref_icon"
             android:layout_width="56dp"
             android:layout_height="56dp"
@@ -37,7 +37,7 @@
             tools:ignore="RtlSymmetry"
             tools:layout_editor_absoluteX="0dp" />
 
-        <android.support.v7.widget.AppCompatTextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@id/kau_pref_title"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
@@ -52,7 +52,7 @@
             app:layout_constraintTop_toTopOf="parent"
             tools:layout_editor_absoluteX="-175dp" />
 
-        <android.support.v7.widget.AppCompatTextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@id/kau_pref_desc"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
@@ -80,7 +80,7 @@
             app:layout_constraintTop_toBottomOf="@id/kau_pref_desc"
             tools:layout_editor_absoluteX="-175dp" />
 
-        <android.support.constraint.Barrier
+        <androidx.constraintlayout.widget.Barrier
             android:id="@id/kau_pref_barrier"
             android:layout_width="0dp"
             android:layout_height="0dp"
@@ -105,6 +105,6 @@
             app:layout_constraintVertical_bias="0.5"
             tools:layout_editor_absoluteX="1dp" />
 
-    </android.support.constraint.ConstraintLayout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
 </LinearLayout>
\ No newline at end of file
diff --git a/kpref-activity/src/main/res/layout/kau_pref_header.xml b/kpref-activity/src/main/res/layout/kau_pref_header.xml
index d802a14..65504a3 100644
--- a/kpref-activity/src/main/res/layout/kau_pref_header.xml
+++ b/kpref-activity/src/main/res/layout/kau_pref_header.xml
@@ -1,4 +1,4 @@
-<android.support.v7.widget.AppCompatTextView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.appcompat.widget.AppCompatTextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/kau_pref_title"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
diff --git a/kpref-activity/src/main/res/layout/kau_pref_seekbar.xml b/kpref-activity/src/main/res/layout/kau_pref_seekbar.xml
index 0b07e1c..5ff6351 100644
--- a/kpref-activity/src/main/res/layout/kau_pref_seekbar.xml
+++ b/kpref-activity/src/main/res/layout/kau_pref_seekbar.xml
@@ -1,4 +1,4 @@
-<android.support.v7.widget.AppCompatSeekBar xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.appcompat.widget.AppCompatSeekBar xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@id/kau_pref_lower_content"
     android:layout_width="match_parent"
     android:paddingTop="@dimen/kau_padding_normal"
diff --git a/kpref-activity/src/main/res/layout/kau_pref_seekbar_text.xml b/kpref-activity/src/main/res/layout/kau_pref_seekbar_text.xml
index dc11d2a..5834820 100644
--- a/kpref-activity/src/main/res/layout/kau_pref_seekbar_text.xml
+++ b/kpref-activity/src/main/res/layout/kau_pref_seekbar_text.xml
@@ -1,6 +1,6 @@
 <!--TextView that aligns to the bottom-->
 
-<android.support.v7.widget.AppCompatTextView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.appcompat.widget.AppCompatTextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@id/kau_pref_inner_content"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
diff --git a/kpref-activity/src/main/res/layout/kau_pref_text.xml b/kpref-activity/src/main/res/layout/kau_pref_text.xml
index 40fed2a..b873eaf 100644
--- a/kpref-activity/src/main/res/layout/kau_pref_text.xml
+++ b/kpref-activity/src/main/res/layout/kau_pref_text.xml
@@ -1,4 +1,4 @@
-<android.support.v7.widget.AppCompatTextView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.appcompat.widget.AppCompatTextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@id/kau_pref_inner_content"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"