fix getActivity() nullability bugs

Author: bolaware

rave_android/src/main/java/com/flutterwave/raveandroid/barter/BarterFragment.java

@@ -230,7 +230,7 @@ else if (resultCode == RavePayActivity.RESULT_ERROR)
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }
 

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

@@ -142,6 +142,8 @@ public class CardFragment extends Fragment implements View.OnClickListener, Card
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
 
+        injectComponents();
+
         if (savedInstanceState != null) {
             if (savedInstanceState.containsKey(STATE_PRESENTER_SAVEDCARDS)) {
                 Type savedCardsListType = new TypeToken<List<SavedCard>>() {
@@ -152,8 +154,6 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
             }
         }
 
-        injectComponents();
-
         v = inflater.inflate(R.layout.rave_sdk_fragment_card, container, false);
 
         initializeViews();

rave_android/src/main/java/com/flutterwave/raveandroid/francMobileMoney/FrancMobileMoneyFragment.java

@@ -258,7 +258,7 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }
 

rave_android/src/main/java/com/flutterwave/raveandroid/ghmobilemoney/GhMobileMoneyFragment.java

@@ -361,7 +361,7 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }
 

rave_android/src/main/java/com/flutterwave/raveandroid/mpesa/MpesaFragment.java

@@ -260,7 +260,7 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }
 

rave_android/src/main/java/com/flutterwave/raveandroid/rwfmobilemoney/RwfMobileMoneyFragment.java

@@ -269,7 +269,7 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }
 

rave_android/src/main/java/com/flutterwave/raveandroid/ugmobilemoney/UgMobileMoneyFragment.java

@@ -284,7 +284,7 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }
 

rave_android/src/main/java/com/flutterwave/raveandroid/uk/UkFragment.java

@@ -272,7 +272,7 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }
 

rave_android/src/main/java/com/flutterwave/raveandroid/ussd/UssdFragment.java

@@ -338,9 +338,8 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity() != null) {
-            if (getActivity().isFinishing())
-                return;
+        if (getActivity() == null || getActivity().isFinishing()) {
+            return;
         }
 
         if (pollingProgressDialog == null) {

rave_android/src/main/java/com/flutterwave/raveandroid/zmmobilemoney/ZmMobileMoneyFragment.java

@@ -315,7 +315,7 @@ public void onPaymentError(String message) {
 
     @Override
     public void showPollingIndicator(boolean active) {
-        if (getActivity().isFinishing()) {
+        if (getActivity() == null || getActivity().isFinishing()) {
             return;
         }