Resolves #1961, allow choice list control color to be changed programatically (#1972)

* Change RadioButton's colors programmatically

* Update sample to demonstrate changing RadioButton's colors programmatically

Author: shynline

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

@@ -19,6 +19,7 @@ import android.view.View
 import android.view.View.OnClickListener
 import android.view.ViewGroup
 import android.widget.TextView
+import androidx.annotation.ColorInt
 import androidx.appcompat.widget.AppCompatRadioButton
 import androidx.core.widget.CompoundButtonCompat
 import androidx.recyclerview.widget.RecyclerView
@@ -72,7 +73,9 @@ internal class SingleChoiceDialogAdapter(
   disabledItems: IntArray?,
   initialSelection: Int,
   private val waitForActionButton: Boolean,
-  internal var selection: SingleChoiceListener
+  internal var selection: SingleChoiceListener,
+  @ColorInt private val checkedColor: Int,
+  @ColorInt private val uncheckedColor: Int
 ) : RecyclerView.Adapter<SingleChoiceViewHolder>(),
     DialogAdapter<CharSequence, SingleChoiceListener> {
 
@@ -117,7 +120,10 @@ internal class SingleChoiceDialogAdapter(
         .let {
           CompoundButtonCompat.setButtonTintList(
               viewHolder.controlView,
-              createColorSelector(dialog.windowContext, checked = it[0], unchecked = it[1])
+              createColorSelector(dialog.windowContext,
+                  checked = if (checkedColor == -1) it[0] else checkedColor,
+                  unchecked = if (uncheckedColor == -1) it[1] else uncheckedColor
+              )
           )
         }
 

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

@@ -20,6 +20,7 @@ package com.afollestad.materialdialogs.list
 import android.util.Log
 import androidx.annotation.ArrayRes
 import androidx.annotation.CheckResult
+import androidx.annotation.ColorInt
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.WhichButton.POSITIVE
 import com.afollestad.materialdialogs.actions.setActionButtonEnabled
@@ -42,6 +43,8 @@ import com.afollestad.materialdialogs.utils.MDUtil.getStringArray
   disabledIndices: IntArray? = null,
   initialSelection: Int = -1,
   waitForPositiveButton: Boolean = true,
+  @ColorInt checkedColor: Int = -1,
+  @ColorInt uncheckedColor: Int = -1,
   selection: SingleChoiceListener = null
 ): MaterialDialog {
   assertOneSet("listItemsSingleChoice", items, res)
@@ -72,7 +75,9 @@ import com.afollestad.materialdialogs.utils.MDUtil.getStringArray
           disabledItems = disabledIndices,
           initialSelection = initialSelection,
           waitForActionButton = waitForPositiveButton,
-          selection = selection
+          selection = selection,
+          checkedColor = checkedColor,
+          uncheckedColor = uncheckedColor
       )
   )
 }

sample/src/main/java/com/afollestad/materialdialogssample/MainActivity.kt

@@ -333,6 +333,20 @@ class MainActivity : AppCompatActivity() {
       }
     }
 
+    R.id.single_choice_custom_radio_color.onClickDebounced {
+      MaterialDialog(this).show {
+        title(R.string.socialNetworks)
+        listItemsSingleChoice(
+            R.array.socialNetworks, initialSelection = 1, checkedColor = Color.RED, uncheckedColor = Color.CYAN
+        ) { _, index, text ->
+          toast("Selected item $text at index $index")
+        }
+        positiveButton(R.string.choose)
+        debugMode(debugMode)
+        lifecycleOwner(this@MainActivity)
+      }
+    }
+
     R.id.multiple_choice.onClickDebounced {
       MaterialDialog(this).show {
         title(R.string.socialNetworks)

sample/src/main/res/layout/activity_main.xml

@@ -168,6 +168,12 @@
         style="@style/SampleButton"
         />
 
+    <Button
+        android:id="@+id/single_choice_custom_radio_color"
+        android:text="Single Choice, Custom Radio Color"
+        style="@style/SampleButton"
+        />
+
     <!-- Multiple Choice Lists -->
 
     <TextView