Fix crash for some default locales

android/src/main/java/com/henninghall/date_picker/LocaleUtils.java

@@ -1,12 +1,8 @@
 package com.henninghall.date_picker;
 
-import android.os.Build;
-import android.util.Log;
-
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.Locale;
 
 public class LocaleUtils {
@@ -38,6 +34,18 @@ public class LocaleUtils {
         return ((SimpleDateFormat)format).toLocalizedPattern().replace(",", "");
     }
 
+     public static Locale getLocale(String languageTag){
+        Locale locale;
+        try{
+            locale = org.apache.commons.lang3.LocaleUtils.toLocale(languageTag);
+        } catch (Exception e ){
+            // Some locales can only be interpreted from country string (for instance zh_Hans_CN )
+            String firstPartOfLanguageTag = languageTag.substring(0, languageTag.indexOf(""));
+            locale = org.apache.commons.lang3.LocaleUtils.toLocale(firstPartOfLanguageTag);
+        }
+        return locale;
+    }
+
 }
 
 

android/src/main/java/com/henninghall/date_picker/props/LocaleProp.java

@@ -3,8 +3,8 @@ package com.henninghall.date_picker.props;
 import android.os.Build;
 
 import com.facebook.react.bridge.Dynamic;
+import com.henninghall.date_picker.LocaleUtils;
 
-import org.apache.commons.lang3.LocaleUtils;
 
 import java.util.Locale;
 
@@ -18,7 +18,7 @@ public class LocaleProp extends Prop {
     }
 
     static private Locale getDefaultLocale(){
-        return LocaleUtils.toLocale(getDefaultLanguageTag());
+        return LocaleUtils.getLocale(getDefaultLanguageTag());
     }
 
     static private String getDefaultLanguageTag(){
@@ -34,7 +34,7 @@ public class LocaleProp extends Prop {
     @Override
     public Locale toValue(Dynamic value){
         this.languageTag = value.asString().replace('-','_');
-        return LocaleUtils.toLocale(languageTag);
+        return LocaleUtils.getLocale(languageTag);
     }
 
 }