Add DSL helpers for single/multi choice dialogs

Author: Maxr1998

library/src/main/java/de/Maxr1998/modernpreferences/helpers/PreferencesDsl.kt

@@ -22,6 +22,9 @@ import android.content.Context
 import de.Maxr1998.modernpreferences.Preference
 import de.Maxr1998.modernpreferences.PreferenceScreen
 import de.Maxr1998.modernpreferences.preferences.*
+import de.Maxr1998.modernpreferences.preferences.choice.MultiChoiceDialogPreference
+import de.Maxr1998.modernpreferences.preferences.choice.SelectionItem
+import de.Maxr1998.modernpreferences.preferences.choice.SingleChoiceDialogPreference
 
 // PreferenceScreen DSL functions
 inline fun screen(context: Context?, block: PreferenceScreen.Builder.() -> Unit): PreferenceScreen {
@@ -67,6 +70,14 @@ inline fun PreferenceScreen.Appendable.expandText(key: String, block: Expandable
     return ExpandableTextPreference(key).apply(block).also(::addPreferenceItem)
 }
 
+inline fun PreferenceScreen.Appendable.singleChoice(key: String, items: List<SelectionItem>, block: SingleChoiceDialogPreference.() -> Unit): SingleChoiceDialogPreference {
+    return SingleChoiceDialogPreference(key, items).apply(block).also(::addPreferenceItem)
+}
+
+inline fun PreferenceScreen.Appendable.multiChoice(key: String, items: List<SelectionItem>, block: MultiChoiceDialogPreference.() -> Unit): MultiChoiceDialogPreference {
+    return MultiChoiceDialogPreference(key, items).apply(block).also(::addPreferenceItem)
+}
+
 inline fun <reified T : Preference> PreferenceScreen.Appendable.custom(key: String, block: T.() -> Unit): T {
     return T::class.java.getConstructor(String::class.java).newInstance(key).apply(block).also(::addPreferenceItem)
 }

testapp/src/main/java/de/Maxr1998/modernpreferences/example/Common.kt

@@ -25,9 +25,7 @@ import android.widget.Toast
 import de.Maxr1998.modernpreferences.Preference
 import de.Maxr1998.modernpreferences.helpers.*
 import de.Maxr1998.modernpreferences.preferences.SeekBarPreference
-import de.Maxr1998.modernpreferences.preferences.choice.MultiChoiceDialogPreference
 import de.Maxr1998.modernpreferences.preferences.choice.SelectionItem
-import de.Maxr1998.modernpreferences.preferences.choice.SingleChoiceDialogPreference
 import java.util.*
 
 object Common {
@@ -126,10 +124,10 @@ object Common {
                 SelectionItem("key_1", "Option 2", "Second option"),
                 SelectionItem("key_2", "Option 3", "You can put anything you want into this summary!"),
             )
-            +SingleChoiceDialogPreference("single-choice-dialog", selectableItems).apply {
+            singleChoice("single-choice-dialog", selectableItems) {
                 title = "Single choice selection dialog"
             }
-            +MultiChoiceDialogPreference("multi-choice-dialog", selectableItems).apply {
+            multiChoice("multi-choice-dialog", selectableItems) {
                 title = "Multi choice selection dialog"
             }
             expandText("expand-text") {