Merge pull request #3 from rMozg/develop

some fixes

Author: rMozg

app/src/main/java/ru/mozgovoy/oleg/exchangerate/ui/presenter/IRatePresenter.java

@@ -11,5 +11,5 @@ public interface IRatePresenter {
 
     void startDownloadNewRates(Context appContext);
 
-    void startRecalculate(@NonNull BigDecimal value, @NonNull Currency currencyFrom, @NonNull Currency currencyTo);
+    void recalculateButtonClicked(@NonNull BigDecimal value, @NonNull Currency currencyFrom, @NonNull Currency currencyTo);
 }

app/src/main/java/ru/mozgovoy/oleg/exchangerate/ui/presenter/RatePresenter.java

@@ -80,7 +80,7 @@ protected void onReceiveResult(int resultCode, Bundle resultData) {
     }
 
     @Override
-    public void startRecalculate(@NonNull BigDecimal value, @NonNull Currency currencyFrom, @NonNull Currency currencyTo) {
+    public void recalculateButtonClicked(@NonNull BigDecimal value, @NonNull Currency currencyFrom, @NonNull Currency currencyTo) {
         CurrencyRate currencyRateFrom = currencyRates.get(currencyFrom);
         CurrencyRate currencyRateTo = currencyRates.get(currencyTo);
         if (currencyRateFrom == null || currencyRateTo == null) {

app/src/main/java/ru/mozgovoy/oleg/exchangerate/ui/view/RateActivity.java

@@ -90,7 +90,7 @@ public void onClick(View view) {
                     Object curFromObject = spinnerFrom.getSelectedItem();
                     Object curToObject = spinnerTo.getSelectedItem();
                     if ((curFromObject instanceof CurrencyView) && (curToObject instanceof CurrencyView)) {
-                        ratePresenter.startRecalculate(
+                        ratePresenter.recalculateButtonClicked(
                                 sumfrom,
                                 ((CurrencyView) curFromObject).getCurrency(),
                                 ((CurrencyView) curToObject).getCurrency());
@@ -110,7 +110,6 @@ public void onClick(View view) {
     @Override
     protected void onResume() {
         super.onResume();
-        ratePresenter.startDownloadNewRates(getApplicationContext());
     }
 
     @Override
@@ -175,6 +174,7 @@ public void showRecalculatedValue(BigDecimal value) {
     public void showError(ErrorType errorType) {
         switch (errorType) {
             case CALCULATE:
+                textTo.setText("");
                 Snackbar.make(screenGroup.getRootView(), getString(R.string.error_calculate), Snackbar.LENGTH_LONG).show();
                 break;
             case DOWNLOAD: