Fixed back to unselect

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

@@ -170,10 +170,16 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
 
     @Override
     public void onBackPressed() {
+        if (backHandled())
+            return;
+        super.onBackPressed();
+    }
+
+    protected boolean backHandled() {
         for (IBackPressedListener listener : backPressedListeners)
             if (listener.onBackPressed())
-                return;
-        super.onBackPressed();
+                return true;
+        return false;
     }
 
     public interface IBackPressedListener {

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

@@ -539,7 +539,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
             int count = getSupportFragmentManager().getBackStackEntryCount();
             if (exit || count > 1)
                 super.onBackPressed();
-            else {
+            else if (!backHandled()) {
                 exit = true;
                 Toast.makeText(this, R.string.app_exit, Toast.LENGTH_SHORT).show();
                 new Handler().postDelayed(new Runnable() {