Highlight custom account

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

@@ -32,6 +32,7 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.graphics.Paint;
+import android.graphics.Typeface;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -1621,12 +1622,35 @@ public class FragmentAccount extends FragmentBase {
             protected void onExecuted(Bundle args, final EntityAccount account) {
                 // Get providers
                 final Context context = getContext();
+
+                int colorAccent = Helper.resolveColor(context, androidx.appcompat.R.attr.colorAccent);
+                int textColorSecondary = Helper.resolveColor(context, android.R.attr.textColorSecondary);
+
                 List<EmailProvider> providers = EmailProvider.getProviders(context);
                 providers.add(0, new EmailProvider(getString(R.string.title_select)));
                 providers.add(1, new EmailProvider(getString(R.string.title_custom)));
 
                 ArrayAdapter<EmailProvider> aaProvider =
-                        new ArrayAdapter<>(context, R.layout.spinner_item1, android.R.id.text1, providers);
+                        new ArrayAdapter<EmailProvider>(context, R.layout.spinner_item1, android.R.id.text1, providers) {
+                            @NonNull
+                            @Override
+                            public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+                                return updateView(position, super.getView(position, convertView, parent));
+                            }
+
+                            @Override
+                            public View getDropDownView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+                                return updateView(position, super.getDropDownView(position, convertView, parent));
+                            }
+
+                            private View updateView(int position, View view) {
+                                TextView tv = view.findViewById(android.R.id.text1);
+                                tv.setTypeface(null, position == 1 ? Typeface.BOLD : Typeface.NORMAL);
+                                tv.setTextColor(position == 1 ? colorAccent : textColorSecondary);
+
+                                return view;
+                            }
+                        };
                 aaProvider.setDropDownViewResource(R.layout.spinner_item1_dropdown);
                 spProvider.setAdapter(aaProvider);