#81[30m]. Fix +0 summary expense issue.

Author: Evgenii Kanivets

app/src/main/java/com/blogspot/e_kanivets/moneytracker/ui/presenter/ShortSummaryPresenter.java

@@ -60,21 +60,26 @@ public void update(IRecordReport report, String currency, List<String> ratesNeed
                     report.getPeriod().getFirstDay(), report.getPeriod().getLastDay()));
 
             viewHolder.tvTotalIncome.setTextColor(report.getTotalIncome() >= 0 ? green : red);
-            viewHolder.tvTotalIncome.setText(format(report.getTotalIncome(), report.getCurrency()));
+            viewHolder.tvTotalIncome.setText(formatIncome(report.getTotalIncome(), report.getCurrency()));
 
-            viewHolder.tvTotalExpense.setTextColor(report.getTotalExpense() >= 0 ? green : red);
-            viewHolder.tvTotalExpense.setText(format(report.getTotalExpense(), report.getCurrency()));
+            viewHolder.tvTotalExpense.setTextColor(report.getTotalExpense() > 0 ? green : red);
+            viewHolder.tvTotalExpense.setText(formatExpense(report.getTotalExpense(), report.getCurrency()));
 
             viewHolder.tvTotal.setTextColor(report.getTotal() >= 0 ? green : red);
-            viewHolder.tvTotal.setText(format(report.getTotal(), report.getCurrency()));
+            viewHolder.tvTotal.setText(formatIncome(report.getTotal(), report.getCurrency()));
         }
     }
 
-    private String format(double amount, String currency) {
+    private String formatIncome(double amount, String currency) {
         return (amount >= 0 ? "+ " : "- ") + String.format(Locale.getDefault(), "%.0f", Math.abs(amount))
                 + " " + currency;
     }
 
+    private String formatExpense(double amount, String currency) {
+        return (amount > 0 ? "+ " : "- ") + String.format(Locale.getDefault(), "%.0f", Math.abs(amount))
+                + " " + currency;
+    }
+
     public static class ViewHolder {
         @Bind(R.id.tv_period)
         TextView tvPeriod;