Update kpref-activity's min-sdk and other minor changes (#11)3.1.0

* Move some resources to public

* Lower kpref minsdk

* Remove excess kauUtils annotations

* Allow nullable throwable

* Do not throw null throwable

* Make image picker base abstract again

* Migrate about strings to private

* Update readme

* Update readme

* Update sample tagging

* Update adapter readme

3 files changed, 7 insertions, 2 deletions

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 b978a6e..91c0cf2 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
@@ -1,5 +1,6 @@
 package ca.allanwang.kau.kpref.activity
 
+import android.annotation.SuppressLint
 import android.os.Bundle
 import android.support.annotation.StringRes
 import android.support.constraint.ConstraintLayout
@@ -51,6 +52,7 @@ abstract class KPrefActivity : AppCompatActivity(), KPrefActivityContract {
      */
     abstract fun kPrefCoreAttributes(): CoreAttributeContract.() -> Unit
 
+    @SuppressLint("NewApi")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         //setup layout
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 19bdb56..5738022 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
@@ -1,5 +1,6 @@
 package ca.allanwang.kau.kpref.activity.items
 
+import android.support.v7.widget.AppCompatCheckBox
 import android.view.View
 import android.widget.CheckBox
 import ca.allanwang.kau.kpref.activity.R
@@ -15,7 +16,7 @@ open class KPrefCheckbox(builder: BaseContract<Boolean>) : KPrefItemBase<Boolean
 
     override fun defaultOnClick(itemView: View, innerContent: View?): Boolean {
         pref = !pref
-        (innerContent as CheckBox).isChecked = pref
+        (innerContent as AppCompatCheckBox).isChecked = pref
         return true
     }
 
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 908c139..bd245af 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
@@ -1,5 +1,6 @@
 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
@@ -31,6 +32,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
 
     override final fun getViewHolder(v: View) = ViewHolder(v)
 
+    @SuppressLint("NewApi")
     @CallSuper
     override fun bindView(viewHolder: ViewHolder, payloads: List<Any>) {
         super.bindView(viewHolder, payloads)
@@ -50,7 +52,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
                 desc?.setTextColor(textColor)
             }
             val accentColor = core.globalOptions.accentColor?.invoke()
-            if (accentColor != null) {
+            if (accentColor != null && buildIsLollipopAndUp) {
                 icon?.drawable?.setTint(accentColor)
             }
             onPostBindView(this, textColor, accentColor)