Fix bug with hex input

Author: mrgames13

app/build.gradle

@@ -13,8 +13,8 @@ android {
         applicationId "com.mrgames13.jimdo.colorconverter"
         minSdkVersion 19
         targetSdkVersion 29
-        versionCode 202
-        versionName "2.0.2"
+        versionCode 203
+        versionName "2.0.3"
         vectorDrawables.useSupportLibrary = true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/com/mrgames13/jimdo/colorconverter/ui/activity/MainActivity.kt

@@ -321,10 +321,12 @@ class MainActivity : AppCompatActivity() {
         // Prepare views
         hexValue.addTextChangedListener(object : SimpleTextWatcher() {
             override fun afterTextChanged(s: Editable?) {
-                if(!s.toString().startsWith("#")) {
+                val value = s.toString()
+                if(!value.startsWith("#")) {
                     hexValue.setText("#")
                     Selection.setSelection(hexValue.text, hexValue.text.length)
                 } else {
+                    if(value.length > 1 && !value.matches("#[a-fA-F0-9]+".toRegex())) s?.delete(value.length -1, value.length)
                     dialog.getButton(AlertDialog.BUTTON_POSITIVE).isEnabled = s.toString().length == 7 || s.toString().length == 4
                 }
             }

app/src/main/res/layout/dialog_edit_hex.xml

@@ -17,6 +17,5 @@
         android:inputType="textCapCharacters"
         android:hint="@string/hex_code"
         android:maxLength="7"
-        android:importantForAutofill="no"
-        android:digits="0123456789ABCDEF"/>
+        android:importantForAutofill="no"/>
 </FrameLayout>

app/src/main/res/values-de/strings.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: de, German
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 16:41:59 +0000
+ Exported at: Fri, 27 Dec 2019 20:40:20 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="close">schließen</string>

app/src/main/res/values-de/strings_colors.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: de, German
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 13:31:29 +0100
+ Exported at: Fri, 27 Dec 2019 20:40:20 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="color_alice_blue">Aliceblau</string>

app/src/main/res/values-es/strings.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: es, Spanish
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 16:42:00 +0000
+ Exported at: Fri, 27 Dec 2019 20:40:20 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="close">cerrar</string>

app/src/main/res/values-es/strings_colors.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: es, Spanish
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 13:31:29 +0100
+ Exported at: Fri, 27 Dec 2019 20:40:20 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="color_alice_blue">Azul Alicia</string>

app/src/main/res/values-fr/strings.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: fr, French
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 16:41:59 +0000
+ Exported at: Fri, 27 Dec 2019 20:40:19 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="close">fermer</string>

app/src/main/res/values-fr/strings_colors.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: fr, French
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 13:31:28 +0100
+ Exported at: Fri, 27 Dec 2019 20:40:20 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="color_alice_blue">Bleu alice</string>

app/src/main/res/values/strings.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: en, English
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 16:41:59 +0000
+ Exported at: Fri, 27 Dec 2019 20:40:19 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="close">close</string>

app/src/main/res/values/strings_colors.xml

@@ -5,7 +5,7 @@
  Release: Working copy
  Locale: en, English
  Exported by: M&R Games
- Exported at: Mon, 23 Dec 2019 13:31:28 +0100
+ Exported at: Fri, 27 Dec 2019 20:40:19 +0000
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="color_alice_blue">Alice Blue</string>