fix(react-native): forward attachments added after init to Android native crash reports

packages/react-native/android/src/main/java/backtrace/library/BacktraceDatabase.java

@@ -9,4 +9,6 @@ public static native boolean initialize(String url, String databasePath, String
 
 
     public static native void addAttribute(String name, String value);
+
+    public static native void addAttachment(String attachmentPath);
 }

packages/react-native/android/src/main/java/backtrace/library/BacktraceReactNative.java

@@ -14,7 +14,10 @@
 import android.content.Context;
 
 import java.io.File;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
 
 import backtraceio.library.nativeCalls.*;
 import backtraceio.library.models.nativeHandler.CrashHandlerConfiguration;
@@ -33,6 +36,8 @@ public class BacktraceReactNative extends ReactContextBaseJavaModule {
 
     private final Context context;
 
+    private final Set<String> registeredAttachments = new HashSet<>();
+
     public BacktraceReactNative(ReactApplicationContext reactContext) {
         super(reactContext);
         this.context = reactContext.getApplicationContext();
@@ -58,16 +63,20 @@ public Boolean initialize(String minidumpSubmissionUrl, String databasePath, Rea
         String[] keys = attributes.keySet().toArray(new String[0]);
         String[] values = attributes.values().toArray(new String[0]);
 
+        String[] attachments = attachmentPaths.toArrayList().toArray(new String[0]);
+
         BacktraceCrashHandlerWrapper nativeCommunication = new BacktraceCrashHandlerWrapper();
         Boolean result = nativeCommunication.initializeJavaCrashHandler(
                 minidumpSubmissionUrl,
                 databasePath,
                 crashHandlerConfiguration.getClassPath(),
                 keys,
                 values,
-                attachmentPaths.toArrayList().toArray(new String[0]),
+                attachments,
                 crashHandlerConfiguration.getCrashHandlerEnvironmentVariables(this.context.getApplicationInfo()).toArray(new String[0])
-                );        
+                );
+
+        this.registeredAttachments.addAll(Arrays.asList(attachments));
 
         return result;
     }
@@ -85,6 +94,18 @@ public void useAttributes(ReadableMap readableAttributes) {
     }
 
 
+    @ReactMethod()
+    public void useAttachments(ReadableArray attachmentPaths) {
+        for (int attachmentIndex = 0; attachmentIndex < attachmentPaths.size(); attachmentIndex++) {
+            String attachmentPath = attachmentPaths.getString(attachmentIndex);
+            if (attachmentPath == null || !this.registeredAttachments.add(attachmentPath)) {
+                continue;
+            }
+            BacktraceDatabase.addAttachment(attachmentPath);
+        }
+    }
+
+
     @ReactMethod()
     public void crash() {
         BacktraceBase.crash();

packages/react-native/src/crashReporter/CrashReporter.ts

@@ -61,7 +61,6 @@ export class CrashReporter {
         if (!this._enabled) {
             return;
         }
-        // Android does not expose useAttachments.
         if (typeof CrashReporter.BacktraceReactNative.useAttachments !== 'function') {
             return;
         }