Enhancement/ktlint (#179)

* Add spotless dependency

* Apply ktlint

* Add license headers

13 files changed, 358 insertions, 113 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 132c27a..02b6e98 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 +1,41 @@
+/*
+ * 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.view.View
 import androidx.annotation.StringRes
 import androidx.appcompat.widget.Toolbar
-import android.view.View
 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 java.util.Stack
 
 abstract class KPrefActivity : KauBaseActivity(), KPrefActivityContract {
 
@@ -32,12 +51,16 @@ 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)
+        )
     }
 
     /**
@@ -69,13 +92,18 @@ 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)
+    override fun showNextPrefs(@StringRes toolbarTitleRes: Int, builder: KPrefAdapterBuilder.() -> Unit) =
+        showNextPrefs(toolbarTitleRes, builder, false)
 
-    private fun showNextPrefs(@StringRes toolbarTitleRes: Int, builder: KPrefAdapterBuilder.() -> Unit, first: Boolean) {
+    private fun showNextPrefs(
+        @StringRes toolbarTitleRes: Int,
+        builder: KPrefAdapterBuilder.() -> Unit,
+        first: Boolean
+    ) {
         doAsync {
             val items = KPrefAdapterBuilder(globalOptions)
             builder(items)
@@ -162,4 +190,3 @@ 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 4b50ee4..cf2a12f 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 androidx.annotation.StringRes
-import ca.allanwang.kau.kpref.activity.items.*
+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: ((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: ((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: ((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: ((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: ((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/items/KPrefCheckbox.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefCheckbox.kt
index 0a7922e..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 androidx.appcompat.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..675e387 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
@@ -1,3 +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.colorpicker.CircleView
@@ -53,15 +68,15 @@ open class KPrefColorPicker(open val builder: KPrefColorContract) : KPrefItemBas
     /**
      * Default implementation of [KPrefColorContract]
      */
-    class KPrefColorBuilder(globalOptions: GlobalOptions,
-                            titleId: Int,
-                            getter: () -> Int,
-                            setter: (value: Int) -> Unit
+    class KPrefColorBuilder(
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        getter: () -> Int,
+        setter: (value: Int) -> Unit
     ) : KPrefColorContract, BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter),
-            ColorContract by ColorBuilder() {
+        ColorContract by ColorBuilder() {
         override var showPreview: Boolean = true
     }
 
     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 aa60fcd..6690574 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
@@ -1,7 +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 androidx.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.R
@@ -84,14 +99,14 @@ abstract class KPrefItemBase<T>(protected val base: BaseContract<T>) : KPrefItem
     /**
      * 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: (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 4e8ecbe..fc632ce 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 +1,43 @@
+/*
+ * 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 androidx.annotation.CallSuper
-import androidx.annotation.IdRes
-import androidx.annotation.LayoutRes
-import androidx.annotation.StringRes
-import androidx.recyclerview.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.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
 
@@ -28,7 +48,7 @@ import com.mikepenz.iconics.typeface.IIcon
  */
 
 abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCore, KPrefItemCore.ViewHolder>(),
-        ThemableIItem by ThemableIItemDelegate() {
+    ThemableIItem by ThemableIItemDelegate() {
 
     final override fun getViewHolder(v: View) = ViewHolder(v)
 
@@ -69,13 +89,15 @@ 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)
     }
@@ -116,8 +138,10 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
     /**
      * 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 +173,7 @@ 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 +186,7 @@ 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 +197,4 @@ 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..e70a374 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
@@ -1,3 +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.widget.SeekBar
@@ -67,10 +82,10 @@ 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: (value: Int) -> Unit
     ) : KPrefSeekbarContract, BaseContract<Int> by BaseBuilder(globalOptions, titleId, getter, setter) {
 
         override var min: Int = 0
@@ -103,5 +118,4 @@ 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..ac8416d 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
@@ -1,3 +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.widget.TextView
@@ -48,14 +63,13 @@ 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: (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..7242bbe 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
@@ -1,3 +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.app.TimePickerDialog
@@ -5,7 +20,7 @@ import android.widget.TimePicker
 import ca.allanwang.kau.kpref.activity.GlobalOptions
 import ca.allanwang.kau.kpref.activity.KClick
 import ca.allanwang.kau.kpref.activity.R
-import java.util.*
+import java.util.Locale
 
 /**
  * Created by Allan Wang on 2017-06-14.
@@ -30,10 +45,10 @@ open class KPrefTimePicker(override val builder: KPrefTimeContract) : KPrefText<
      * Default implementation of [KPrefTimeContract]
      */
     class KPrefTimeBuilder(
-            globalOptions: GlobalOptions,
-            titleId: Int,
-            getter: () -> Int,
-            setter: (value: Int) -> Unit
+        globalOptions: GlobalOptions,
+        titleId: Int,
+        getter: () -> Int,
+        setter: (value: Int) -> Unit
     ) : KPrefTimeContract, BaseContract<Int> by BaseBuilder<Int>(globalOptions, titleId, getter, setter) {
 
         override var use24HourFormat: Boolean = false
@@ -50,15 +65,13 @@ 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