Auto prefix providers, sort most used providers on top

app/src/main/java/eu/faircode/email/FragmentAccount.java

@@ -247,6 +247,7 @@ public class FragmentAccount extends FragmentEx {
                 tilPassword.getEditText().setText(null);
 
                 etName.setText(position > 1 ? provider.name : null);
+                etPrefix.setText(provider.prefix);
 
                 grpFolders.setVisibility(View.GONE);
                 btnSave.setVisibility(View.GONE);

app/src/main/java/eu/faircode/email/Provider.java

@@ -34,8 +34,10 @@ import java.util.Locale;
 
 public class Provider {
     public String name;
+    public int order;
     public String link;
     public String type;
+    public String prefix;
     public String imap_host;
     public boolean imap_starttls;
     public int imap_port;
@@ -63,8 +65,10 @@ public class Provider {
                     else if ("provider".equals(xml.getName())) {
                         provider = new Provider();
                         provider.name = xml.getAttributeValue(null, "name");
+                        provider.order = xml.getAttributeIntValue(null, "order", Integer.MAX_VALUE);
                         provider.link = xml.getAttributeValue(null, "link");
                         provider.type = xml.getAttributeValue(null, "type");
+                        provider.prefix = xml.getAttributeValue(null, "prefix");
                     } else if ("imap".equals(xml.getName())) {
                         provider.imap_host = xml.getAttributeValue(null, "host");
                         provider.imap_port = xml.getAttributeIntValue(null, "port", 0);
@@ -93,7 +97,11 @@ public class Provider {
         Collections.sort(result, new Comparator<Provider>() {
             @Override
             public int compare(Provider p1, Provider p2) {
-                return collator.compare(p1.name, p2.name);
+                int o = Integer.compare(p1.order, p2.order);
+                if (o == 0)
+                    return collator.compare(p1.name, p2.name);
+                else
+                    return o;
             }
         });
 

app/src/main/res/xml/providers.xml

@@ -3,6 +3,8 @@
     <provider
         name="Gmail"
         link="https://support.google.com/mail/answer/7126229"
+        order="1"
+        prefix="[Gmail]"
         type="com.google">
         <imap
             host="imap.gmail.com"
@@ -15,7 +17,8 @@
     </provider>
     <provider
         name="Outlook"
-        link="https://support.office.com/en-us/article/pop-imap-and-smtp-settings-for-outlook-com-d088b986-291d-42b8-9564-9c414e2aa040">
+        link="https://support.office.com/en-us/article/pop-imap-and-smtp-settings-for-outlook-com-d088b986-291d-42b8-9564-9c414e2aa040"
+        order="2">
         <imap
             host="imap-mail.outlook.com"
             port="993"