Improved Callback and Error Handling

android/src/main/java/com/idehub/Billing/InAppBillingBridge.java

@@ -24,6 +24,7 @@
 import java.util.Map;
 
 public class InAppBillingBridge extends ReactContextBaseJavaModule implements ActivityEventListener, BillingProcessor.IBillingHandler {
+
     ReactApplicationContext _reactContext;
     String LICENSE_KEY = null;
     BillingProcessor bp;
@@ -396,15 +397,18 @@ private Boolean isIabServiceAvailable() {
         return BillingProcessor.isIabServiceAvailable(_reactContext);
     }
 
-    @Deprecated
-    public void onActivityResult(final int requestCode, final int resultCode, final Intent intent) {
-        if (bp != null)
-            bp.handleActivityResult(requestCode, resultCode, intent);
-    }
+    @Override
+    public void onActivityResult(Activity activity, int requestCode, int resultCode, Intent data) {
+        if (requestCode != PromiseConstants.PURCHASE_FLOW_REQUEST_CODE) {
+            return;
+        }
 
-    public void onActivityResult(final Activity activity, final int requestCode, final int resultCode, final Intent intent) {
-        if (bp != null)
-            bp.handleActivityResult(requestCode, resultCode, intent);
+        int responseCode = data.getIntExtra(PromiseConstants.RESPONSE_CODE, PromiseConstants.BILLING_RESPONSE_RESULT_OK);
+        if (resultCode == Activity.RESULT_OK && responseCode == PromiseConstants.BILLING_RESPONSE_RESULT_OK) {
+            resolvePromise(PromiseConstants.PURCHASE_OR_SUBSCRIBE, true);
+        } else {
+            rejectPromise(PromiseConstants.PURCHASE_OR_SUBSCRIBE, "An error has occured. Code " + requestCode);
+        }
     }
 
     @Override

android/src/main/java/com/idehub/Billing/PromiseConstants.java

@@ -3,4 +3,7 @@
 public class PromiseConstants {
     public static final String OPEN = "OPEN_PROMISE";
     public static final String PURCHASE_OR_SUBSCRIBE = "PURCHASE_OR_SUBSCRIBE_PROMISE";
+    public static final int PURCHASE_FLOW_REQUEST_CODE = 32459;
+    public static final int BILLING_RESPONSE_RESULT_OK = 0;
+    public static final String RESPONSE_CODE = "RESPONSE_CODE";
 }