Add simplified emitEvent API for custom event logging in OpenTelemetryRum

core/src/main/java/io/opentelemetry/android/OpenTelemetryRum.java

@@ -13,6 +13,7 @@
 import io.opentelemetry.sdk.logs.SdkLoggerProvider;
 import io.opentelemetry.sdk.metrics.SdkMeterProvider;
 import io.opentelemetry.sdk.trace.SdkTracerProvider;
+import java.util.Map;
 
 /**
  * Entrypoint for the OpenTelemetry Real User Monitoring library for Android.
@@ -88,4 +89,13 @@ static OpenTelemetryRum noop() {
      * recommended that you do not cache this value, but always retrieve it from here when needed.
      */
     String getRumSessionId();
+
+    /**
+     * Emits a custom event.
+     *
+     * @param eventName The name of the event.
+     * @param body The body content of the event (optional).
+     * @param attributes Additional attributes for the event (optional).
+     */
+    void emitEvent(String eventName, String body, Map<String, String> attributes);
 }

core/src/main/java/io/opentelemetry/android/OpenTelemetryRumImpl.java

@@ -8,6 +8,8 @@
 import io.opentelemetry.android.session.SessionManager;
 import io.opentelemetry.api.OpenTelemetry;
 import io.opentelemetry.sdk.OpenTelemetrySdk;
+import io.opentelemetry.sdk.logs.SdkEventLoggerProvider;
+import java.util.Map;
 
 final class OpenTelemetryRumImpl implements OpenTelemetryRum {
 
@@ -28,4 +30,22 @@ public OpenTelemetry getOpenTelemetry() {
     public String getRumSessionId() {
         return sessionManager.getSessionId();
     }
+
+    /**
+     * Emits a custom event with the provided event name, body, and attributes.
+     *
+     * @param eventName The name of the event to emit.
+     * @param body The body content of the event (optional).
+     * @param attributes Additional attributes for the event (optional).
+     */
+    @Override
+    public void emitEvent(String eventName, String body, Map<String, String> attributes) {
+        // Use the OpenTelemetry SDK to emit the event
+        SdkEventLoggerProvider.create(getOpenTelemetry().logsBridge())
+                .get("default-scope") // A scope can be dynamically assigned if needed
+                .builder(eventName)
+                .put("body", body)
+                .putAll(attributes)
+                .emit();
+    }
 }