mask cvv, hide the saved cards button in case they're no saved cards

Author: hamzat@flutterwave.com

raveandroid/src/main/java/com/flutterwave/raveandroid/card/CardContract.java

@@ -43,6 +43,8 @@ interface View {
         void displayFee(String charge_amount, Payload payload, int why);
 
         void showFetchFeeFailed(String s);
+
+        void hideSavedCardsButton();
     }
 
     interface UserActionsListener {
@@ -65,6 +67,8 @@ interface UserActionsListener {
         void saveThisCard(String email, String flwRef, String secretKey);
 
         void fetchFee(Payload payload, int reason);
+
+        void checkForSavedCards(String email);
     }
 
 }

raveandroid/src/main/java/com/flutterwave/raveandroid/card/CardFragment.java

@@ -124,6 +124,7 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
         pcidss_tv = (TextView) v.findViewById(R.id.pcidss_compliant_tv);
         progressContainer = (FrameLayout) v.findViewById(R.id.progressContainer);
 
+        ravePayInitializer = ((RavePayActivity) getActivity()).getRavePayInitializer();
 
         TransformFilter filter = new TransformFilter() {
             public final String transformUrl(final Matcher match, String url) {
@@ -151,6 +152,8 @@ public void onClick(View v) {
             }
         });
 
+        presenter.checkForSavedCards(ravePayInitializer.getEmail());
+
         savedCardBtn.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -190,7 +193,6 @@ public void onDialogExpirationSet(int reference, int year, int monthOfYear) {
         bottomSheetBehaviorOTP = BottomSheetBehavior.from(otpLayout);
         bottomSheetBehaviorVBV = BottomSheetBehavior.from(vbvLayout);
 
-        ravePayInitializer = ((RavePayActivity) getActivity()).getRavePayInitializer();
 
         if (Utils.isEmailValid(ravePayInitializer.getEmail())) {
             emailTil.setVisibility(GONE);
@@ -729,6 +731,11 @@ public void showFetchFeeFailed(String s) {
         showToast(s);
     }
 
+    @Override
+    public void hideSavedCardsButton() {
+        savedCardBtn.setVisibility(GONE);
+    }
+
     // Manages the behavior when URLs are loaded
     private class MyBrowser extends WebViewClient {
         @SuppressWarnings("deprecation")

raveandroid/src/main/java/com/flutterwave/raveandroid/card/CardPresenter.java

@@ -302,6 +302,17 @@ public void onError(String message) {
 
     }
 
+    @Override
+    public void checkForSavedCards(String email) {
+        SharedPrefsRequestImpl sharedMgr = new SharedPrefsRequestImpl(context);
+
+        List<SavedCard> cards = sharedMgr.getSavedCards(email);
+
+        if (cards == null || cards.size() == 0) {
+            mView.hideSavedCardsButton();
+        }
+    }
+
     @Override
     public void requeryTxForToken(final String flwRef, final String SECKEY) {
 

raveandroid/src/main/res/layout/fragment_card.xml

@@ -117,7 +117,7 @@
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
                             android:hint="@string/cvc_cvv2"
-                            android:inputType="number"
+                            android:inputType="numberPassword"
                             android:maxLength="4"
                             android:id="@+id/cvvTv"
                             android:imeOptions="actionDone"