Save settings changes "on pause" rather than "on back" so we actually

save settings when a user hits home or menu or whatever.

src/com/fsck/k9/activity/setup/AccountSettings.java

@@ -817,9 +817,9 @@ public class AccountSettings extends K9PreferenceActivity {
     }
 
     @Override
-    public void onBackPressed() {
+    protected void onPause() {
         saveSettings();
-        super.onBackPressed();
+        super.onPause();
     }
 
     private void onCompositionSettings() {

src/com/fsck/k9/activity/setup/FolderSettings.java

@@ -145,13 +145,13 @@ public class FolderSettings extends K9PreferenceActivity {
     }
 
     @Override
-    public void onBackPressed() {
+    public void onPause() {
         try {
             saveSettings();
         } catch (MessagingException e) {
             Log.e(K9.LOG_TAG, "Saving folder settings failed", e);
         }
 
-        super.onBackPressed();
+        super.onPause();
     }
 }

src/com/fsck/k9/activity/setup/Prefs.java

@@ -403,9 +403,13 @@ public class Prefs extends K9PreferenceActivity {
     }
 
     @Override
-    public void onBackPressed() {
+    protected void onPause() {
         saveSettings();
+        super.onPause();
+    }
 
+    @Override
+    public void onBackPressed() {
         if (K9.manageBack()) {
             Accounts.listAccounts(this);
             finish();