Checking if a dialog was already created

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/NumberPickerFactory.kt

@@ -50,7 +50,6 @@ class NumberPickerFactory
 @Inject constructor(
     @ActivityContext private val context: Context
 ) {
-
     @SuppressLint("SetTextI18n")
     fun create(
         value: Double,
@@ -60,6 +59,7 @@ class NumberPickerFactory
         frequency: Frequency,
         callback: ListHabitsBehavior.NumberPickerCallback
     ): AlertDialog {
+        numberPickerExists = true
         val inflater = LayoutInflater.from(context)
         val view = inflater.inflate(R.layout.number_picker_dialog, null)
 
@@ -113,6 +113,7 @@ class NumberPickerFactory
             }
             .setOnDismissListener {
                 callback.onNumberPickerDismissed()
+                numberPickerExists = false
             }
 
         if (frequency == DAILY) {
@@ -169,6 +170,16 @@ class NumberPickerFactory
         val inputMethodManager = context.getSystemService(InputMethodManager::class.java)
         inputMethodManager?.showSoftInput(v, 0)
     }
+
+    companion object {
+        private var numberPickerExists = false
+
+        fun numberPickerAlreadyExists(): Boolean = numberPickerExists
+
+        fun setNumberPickerExists(value: Boolean) {
+            numberPickerExists = value
+        }
+    }
 }
 
 class SeparatorWatcherInputFilter(private val nextPicker: NumberPicker) : InputFilter {

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsScreen.kt

@@ -234,7 +234,9 @@ class ListHabitsScreen
         frequency: Frequency,
         callback: ListHabitsBehavior.NumberPickerCallback
     ) {
-        numberPickerFactory.create(value, unit, notes, dateString, frequency, callback).show()
+        if (!NumberPickerFactory.numberPickerAlreadyExists()) {
+            numberPickerFactory.create(value, unit, notes, dateString, frequency, callback).show()
+        }
     }
 
     override fun showCheckmarkDialog(

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/ShowHabitActivity.kt

@@ -20,6 +20,7 @@ package org.isoron.uhabits.activities.habits.show
 
 import android.content.ContentUris
 import android.os.Bundle
+import android.util.Log
 import android.view.HapticFeedbackConstants
 import android.view.Menu
 import android.view.MenuItem
@@ -173,7 +174,16 @@ class ShowHabitActivity : AppCompatActivity(), CommandRunner.Listener {
             frequency: Frequency,
             callback: ListHabitsBehavior.NumberPickerCallback
         ) {
-            NumberPickerFactory(this@ShowHabitActivity).create(value, unit, notes, dateString, frequency, callback).show()
+            if(!NumberPickerFactory.numberPickerAlreadyExists()) {
+                NumberPickerFactory(this@ShowHabitActivity).create(
+                    value,
+                    unit,
+                    notes,
+                    dateString,
+                    frequency,
+                    callback
+                ).show()
+            }
         }
 
         override fun showCheckmarkDialog(