Small fix

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

@@ -355,6 +355,8 @@ public class FragmentAccount extends FragmentBase {
 
         Helper.linkPro(tvNotifyPro);
 
+        etInterval.setHint(Integer.toString(EntityAccount.DEFAULT_KEEP_ALIVE_INTERVAL));
+
         btnCheck.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

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

@@ -156,6 +156,8 @@ public class FragmentPop extends FragmentBase {
             }
         });
 
+        etInterval.setHint(Integer.toString(EntityAccount.DEFAULT_POLL_INTERVAL));
+
         btnSave.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -245,7 +247,7 @@ public class FragmentPop extends FragmentBase {
                 if (synchronize && TextUtils.isEmpty(password) && !insecure)
                     throw new IllegalArgumentException(context.getString(R.string.title_no_password));
                 if (TextUtils.isEmpty(interval))
-                    interval = Integer.toString(EntityAccount.DEFAULT_KEEP_ALIVE_INTERVAL);
+                    interval = Integer.toString(EntityAccount.DEFAULT_POLL_INTERVAL);
 
                 if (TextUtils.isEmpty(name))
                     name = user;

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

@@ -457,7 +457,6 @@
             android:id="@+id/etInterval"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:hint="19"
             android:inputType="number"
             android:maxLength="9"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium"

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

@@ -293,7 +293,6 @@
             android:id="@+id/etInterval"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:hint="19"
             android:inputType="number"
             android:maxLength="9"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium"