Add md_color_widget attribute which applies to checkbox prompts and single/multichoice list controls. Resolves #1761.

color/src/main/java/com/afollestad/materialdialogs/color/view/WrapContentViewPager.kt

@@ -22,6 +22,7 @@ import android.view.View.MeasureSpec.EXACTLY
 import android.view.View.MeasureSpec.UNSPECIFIED
 import android.view.View.MeasureSpec.makeMeasureSpec
 import androidx.viewpager.widget.ViewPager
+import com.afollestad.materialdialogs.utils.MDUtil.ifNotZero
 
 internal class WrapContentViewPager(
   context: Context,
@@ -51,8 +52,8 @@ internal class WrapContentViewPager(
     if (maxChildHeight > maxAllowedHeightFromParent) {
       maxChildHeight = maxAllowedHeightFromParent
     }
-    if (maxChildHeight != 0) {
-      newHeightSpec = makeMeasureSpec(maxChildHeight, EXACTLY)
+    maxChildHeight.ifNotZero {
+      newHeightSpec = makeMeasureSpec(it, EXACTLY)
     }
 
     super.onMeasure(widthMeasureSpec, newHeightSpec)

core/src/main/java/com/afollestad/materialdialogs/checkbox/DialogCheckboxExt.kt

@@ -21,11 +21,15 @@ import android.view.View
 import android.widget.CheckBox
 import androidx.annotation.CheckResult
 import androidx.annotation.StringRes
+import androidx.core.widget.CompoundButtonCompat
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.R
 import com.afollestad.materialdialogs.assertOneSet
+import com.afollestad.materialdialogs.utils.MDUtil.ifNotZero
 import com.afollestad.materialdialogs.utils.MDUtil.maybeSetTextColor
 import com.afollestad.materialdialogs.utils.MDUtil.resolveString
+import com.afollestad.materialdialogs.utils.createColorSelector
+import com.afollestad.materialdialogs.utils.resolveColor
 
 typealias BooleanCallback = ((Boolean) -> Unit)?
 
@@ -57,6 +61,13 @@ typealias BooleanCallback = ((Boolean) -> Unit)?
     }
     maybeSetTextColor(windowContext, R.attr.md_color_content)
     bodyFont?.let { this.typeface = it }
+
+    resolveColor(attr = R.attr.md_color_widget).ifNotZero {
+      CompoundButtonCompat.setButtonTintList(
+          this,
+          createColorSelector(checked = it)
+      )
+    }
   }
   return this
 }

core/src/main/java/com/afollestad/materialdialogs/internal/button/DialogActionButton.kt

@@ -27,6 +27,7 @@ import androidx.appcompat.widget.AppCompatButton
 import com.afollestad.materialdialogs.R
 import com.afollestad.materialdialogs.Theme.Companion.inferTheme
 import com.afollestad.materialdialogs.Theme.LIGHT
+import com.afollestad.materialdialogs.utils.MDUtil.ifNotZero
 import com.afollestad.materialdialogs.utils.MDUtil.resolveColor
 import com.afollestad.materialdialogs.utils.MDUtil.resolveDrawable
 import com.afollestad.materialdialogs.utils.MDUtil.resolveInt
@@ -82,11 +83,10 @@ class DialogActionButton(
     // Selector
     val bgDrawable = resolveDrawable(baseContext, attr = R.attr.md_button_selector)
     if (SDK_INT >= LOLLIPOP && bgDrawable is RippleDrawable) {
-      val rippleColor = resolveColor(context = baseContext, attr = R.attr.md_ripple_color) {
+      resolveColor(context = baseContext, attr = R.attr.md_ripple_color) {
         resolveColor(appContext, attr = R.attr.colorPrimary).adjustAlpha(.12f)
-      }
-      if (rippleColor != 0) {
-        bgDrawable.setColor(valueOf(rippleColor))
+      }.ifNotZero {
+        bgDrawable.setColor(valueOf(it))
       }
     }
     background = bgDrawable

core/src/main/java/com/afollestad/materialdialogs/internal/list/MultiChoiceDialogAdapter.kt

@@ -20,6 +20,7 @@ import android.view.View.OnClickListener
 import android.view.ViewGroup
 import android.widget.TextView
 import androidx.appcompat.widget.AppCompatCheckBox
+import androidx.core.widget.CompoundButtonCompat
 import androidx.recyclerview.widget.RecyclerView
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.R
@@ -28,11 +29,14 @@ import com.afollestad.materialdialogs.actions.hasActionButtons
 import com.afollestad.materialdialogs.actions.setActionButtonEnabled
 import com.afollestad.materialdialogs.list.MultiChoiceListener
 import com.afollestad.materialdialogs.list.getItemSelector
+import com.afollestad.materialdialogs.utils.MDUtil.ifNotZero
+import com.afollestad.materialdialogs.utils.MDUtil.maybeSetTextColor
 import com.afollestad.materialdialogs.utils.appendAll
+import com.afollestad.materialdialogs.utils.createColorSelector
 import com.afollestad.materialdialogs.utils.inflate
 import com.afollestad.materialdialogs.utils.pullIndices
 import com.afollestad.materialdialogs.utils.removeAll
-import com.afollestad.materialdialogs.utils.MDUtil.maybeSetTextColor
+import com.afollestad.materialdialogs.utils.resolveColor
 
 /** @author Aidan Follestad (afollestad) */
 internal class MultiChoiceViewHolder(
@@ -124,6 +128,13 @@ internal class MultiChoiceDialogAdapter(
         adapter = this
     )
     viewHolder.titleView.maybeSetTextColor(dialog.windowContext, R.attr.md_color_content)
+    dialog.resolveColor(attr = R.attr.md_color_widget)
+        .ifNotZero {
+          CompoundButtonCompat.setButtonTintList(
+              viewHolder.controlView,
+              dialog.createColorSelector(checked = it)
+          )
+        }
     return viewHolder
   }
 

core/src/main/java/com/afollestad/materialdialogs/internal/list/SingleChoiceDialogAdapter.kt

@@ -20,6 +20,7 @@ import android.view.View.OnClickListener
 import android.view.ViewGroup
 import android.widget.TextView
 import androidx.appcompat.widget.AppCompatRadioButton
+import androidx.core.widget.CompoundButtonCompat
 import androidx.recyclerview.widget.RecyclerView
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.R
@@ -28,8 +29,11 @@ import com.afollestad.materialdialogs.actions.hasActionButtons
 import com.afollestad.materialdialogs.actions.setActionButtonEnabled
 import com.afollestad.materialdialogs.list.SingleChoiceListener
 import com.afollestad.materialdialogs.list.getItemSelector
-import com.afollestad.materialdialogs.utils.inflate
+import com.afollestad.materialdialogs.utils.MDUtil.ifNotZero
 import com.afollestad.materialdialogs.utils.MDUtil.maybeSetTextColor
+import com.afollestad.materialdialogs.utils.createColorSelector
+import com.afollestad.materialdialogs.utils.inflate
+import com.afollestad.materialdialogs.utils.resolveColor
 
 /** @author Aidan Follestad (afollestad) */
 internal class SingleChoiceViewHolder(
@@ -103,6 +107,13 @@ internal class SingleChoiceDialogAdapter(
         adapter = this
     )
     viewHolder.titleView.maybeSetTextColor(dialog.windowContext, R.attr.md_color_content)
+    dialog.resolveColor(attr = R.attr.md_color_widget)
+        .ifNotZero {
+          CompoundButtonCompat.setButtonTintList(
+              viewHolder.controlView,
+              dialog.createColorSelector(checked = it)
+          )
+        }
     return viewHolder
   }
 
@@ -113,8 +124,8 @@ internal class SingleChoiceDialogAdapter(
     position: Int
   ) {
     holder.isEnabled = !disabledIndices.contains(position)
-
     holder.controlView.isChecked = currentSelection == position
+
     holder.titleView.text = items[position]
     holder.itemView.background = dialog.getItemSelector()
 

core/src/main/java/com/afollestad/materialdialogs/list/DialogListExt.kt

@@ -33,6 +33,7 @@ import com.afollestad.materialdialogs.R.attr
 import com.afollestad.materialdialogs.assertOneSet
 import com.afollestad.materialdialogs.internal.list.PlainListDialogAdapter
 import com.afollestad.materialdialogs.utils.MDUtil.resolveDrawable
+import com.afollestad.materialdialogs.utils.MDUtil.ifNotZero
 import com.afollestad.materialdialogs.utils.getStringArray
 import com.afollestad.materialdialogs.utils.resolveColor
 
@@ -108,9 +109,8 @@ import com.afollestad.materialdialogs.utils.resolveColor
 fun MaterialDialog.getItemSelector(): Drawable? {
   val drawable = resolveDrawable(context = context, attr = attr.md_item_selector)
   if (SDK_INT >= LOLLIPOP && drawable is RippleDrawable) {
-    val rippleColor = resolveColor(attr = R.attr.md_ripple_color)
-    if (rippleColor != 0) {
-      drawable.setColor(valueOf(rippleColor))
+    resolveColor(attr = R.attr.md_ripple_color).ifNotZero {
+      drawable.setColor(valueOf(it))
     }
   }
   return drawable

core/src/main/java/com/afollestad/materialdialogs/utils/ColorExt.kt

@@ -15,12 +15,16 @@
  */
 package com.afollestad.materialdialogs.utils
 
+import android.content.res.ColorStateList
 import android.graphics.Color
 import androidx.annotation.AttrRes
 import androidx.annotation.CheckResult
 import androidx.annotation.ColorInt
 import androidx.annotation.ColorRes
+import androidx.annotation.RestrictTo
+import androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP
 import com.afollestad.materialdialogs.MaterialDialog
+import com.afollestad.materialdialogs.R
 import com.afollestad.materialdialogs.utils.MDUtil.resolveColor
 
 @ColorInt @CheckResult
@@ -34,3 +38,16 @@ internal fun Int.adjustAlpha(alpha: Float): Int {
   val newAlpha = (255 * alpha).toInt()
   return Color.argb(newAlpha, Color.red(this), Color.green(this), Color.blue(this))
 }
+
+@RestrictTo(LIBRARY_GROUP) internal fun MaterialDialog.createColorSelector(
+  @ColorInt unchecked: Int = resolveColor(windowContext, attr = R.attr.colorControlNormal),
+  @ColorInt checked: Int = resolveColor(windowContext, attr = R.attr.colorControlActivated)
+): ColorStateList {
+  return ColorStateList(
+      arrayOf(
+          intArrayOf(-android.R.attr.state_checked),
+          intArrayOf(android.R.attr.state_checked)
+      ),
+      intArrayOf(unchecked, checked)
+  )
+}

core/src/main/java/com/afollestad/materialdialogs/utils/MDUtil.kt

@@ -168,9 +168,14 @@ object MDUtil {
     @AttrRes attrRes: Int?
   ) {
     if (attrRes == null) return
-    val color = resolveColor(context, attr = attrRes)
-    if (color != 0) {
-      this?.setTextColor(color)
+    resolveColor(context, attr = attrRes).ifNotZero {
+      this?.setTextColor(it)
+    }
+  }
+
+  @RestrictTo(LIBRARY_GROUP) fun Int?.ifNotZero(block: (value: Int) -> Unit) {
+    if (this != null && this != 0) {
+      block(this)
     }
   }
 }

core/src/main/res-public/values/public.xml

@@ -4,6 +4,7 @@
   <attr format="color" name="md_color_content"/>
   <attr format="color" name="md_ripple_color"/>
   <attr format="color" name="md_color_button_text"/>
+  <attr format="color" name="md_color_widget"/>
   <attr format="dimension" name="md_corner_radius"/>
   <attr format="reference" name="md_font_title"/>
   <attr format="reference" name="md_font_body"/>

datetime/src/main/java/com/afollestad/materialdialogs/datetime/internal/WrapContentViewPager.kt

@@ -21,6 +21,7 @@ import android.view.View
 import android.view.View.MeasureSpec.EXACTLY
 import android.view.View.MeasureSpec.UNSPECIFIED
 import androidx.viewpager.widget.ViewPager
+import com.afollestad.materialdialogs.utils.MDUtil.ifNotZero
 
 internal class WrapContentViewPager(
   context: Context,
@@ -50,8 +51,8 @@ internal class WrapContentViewPager(
     if (maxChildHeight > maxAllowedHeightFromParent) {
       maxChildHeight = maxAllowedHeightFromParent
     }
-    if (maxChildHeight != 0) {
-      newHeightSpec = MeasureSpec.makeMeasureSpec(maxChildHeight, EXACTLY)
+    maxChildHeight.ifNotZero {
+      newHeightSpec = MeasureSpec.makeMeasureSpec(it, EXACTLY)
     }
 
     super.onMeasure(widthMeasureSpec, newHeightSpec)

documentation/CORE.md

@@ -23,6 +23,7 @@
     4. [Corner Radius](#corner-radius)
     5. [Text Color](#text-color)
     6. [Fonts](#fonts)
+    7. [Widget Color](#widget-color)
 
 ## Gradle Dependency
 
@@ -584,4 +585,18 @@ using attributes in your app's theme.
 
 See the "Custom Theme" example in the sample project (open the overflow menu for the theme switcher).
 
-<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/master/art/customtheme.png" width="200px" />
+<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/master/art/customtheme.png" width="200px" />
+
+### Widget Color
+
+By default, widgets like CheckBoxes and RadioButtons use your theme's accent color. You can 
+override that to use whatever color you want. This applies to checkbox prompts, single and multiple 
+choice lists, etc. but will not automatically apply to widgets in your own custom views.
+
+```xml
+<style name="AppTheme.Custom" parent="Theme.AppCompat">
+
+  <item name="md_widget_color">@color/your_color</item>
+    
+</style>
+```

sample/src/main/res/values/styles.xml

@@ -27,6 +27,7 @@
     <item name="md_font_button">@font/raleway_semibold</item>
     <item name="md_ripple_color">@color/primary_custom_translucent</item>
     <item name="md_color_button_text">@color/accent_custom</item>
+    <item name="md_color_widget">#00CC00</item>
   </style>
 
   <style name="SampleHeader" tools:ignore="NewApi">