feat: Some ugly code to do something

sentry-android-core/src/main/java/io/sentry/android/core/AndroidOptionsInitializer.java

@@ -3,6 +3,8 @@
 import android.content.Context;
 import io.sentry.core.SentryLevel;
 import io.sentry.core.SentryOptions;
+
+import java.io.File;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 
@@ -19,8 +21,17 @@ static void init(SentryOptions options, Context context) {
       try {
         // TODO: Create Integrations interface and use that to initialize NDK
         Class cls = Class.forName("io.sentry.android.ndk.SentryNdk");
-        Method method = cls.getMethod("init", String.class);
-        method.invoke(null, new Object[0]);
+
+        // XXX: temporary hack
+        String cacheDirPath = context.getCacheDir().getAbsolutePath() + "/sentry-envelopes";
+        File f = new File(cacheDirPath);
+        f.mkdirs();
+
+        Method method = cls.getMethod("init", SentryOptions.class, String.class);
+        Object[] args = new Object[2];
+        args[0] = options;
+        args[1] = cacheDirPath;
+        method.invoke(null, args);
       } catch (ClassNotFoundException exc) {
         options.getLogger().log(SentryLevel.ERROR, "Failed to load SentryNdk.");
       } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {

sentry-android-ndk/build.gradle.kts

@@ -25,6 +25,8 @@ android {
         ndk {
             abiFilters("x86", "armeabi-v7a", "x86_64", "arm64-v8a")
         }
+
+        missingDimensionStrategy(Config.Flavors.dimension, Config.Flavors.production)
     }
 
     externalNativeBuild {
@@ -33,3 +35,8 @@ android {
         }
     }
 }
+
+dependencies {
+    api(project(":sentry-core"))
+    api(project(":sentry-android-core"))
+}

sentry-android-ndk/src/main/java/io/sentry/android/ndk/SentryNdk.java

@@ -1,5 +1,7 @@
 package io.sentry.android.ndk;
 
+import io.sentry.core.SentryOptions;
+
 public class SentryNdk {
   static {
     System.loadLibrary("sentry");
@@ -9,10 +11,14 @@ public class SentryNdk {
     System.loadLibrary("sentry-android");
   }
 
-  public static native void example();
+  private static native void initSentryNative(String cacheDirPath);
+
+  public static void notifyNewSerializedEnvelope(String path) {
+    System.out.println("envelope written to " + path);
+  }
 
-  public static void init() {
+  public static void init(SentryOptions options, String cacheDirPath) {
     // Java_example
-    example();
+    initSentryNative(cacheDirPath);
   }
 }

sentry-android-ndk/src/main/jni/sentry.c

@@ -1,16 +1,37 @@
+#include <string.h>
 #include <sentry.h>
 #include <jni.h>
 #include <malloc.h>
 #include <android/log.h>
 
-void print(sentry_value_t event, void *data) {
-    __android_log_print(ANDROID_LOG_DEBUG, "LOG_TAG", "EVENTTTTTTTTTTT: %s",sentry_value_to_json(event));
+struct transport_options {
+    jmethodID notify_envelope_mid;
+    jclass cls;
+    JNIEnv *env;
+    char event_path[4096];
+};
+
+struct transport_options g_transport_options;
+
+static void send_envelope(const sentry_envelope_t *envelope, void *data) {
+    char event_path[4096];
+    strcpy(event_path, g_transport_options.event_path);
+    strcat(event_path, "/test.envelope");
+    sentry_envelope_write_to_file(envelope, event_path);
+    jstring jevent_path = (*g_transport_options.env)->NewStringUTF(g_transport_options.env, event_path);
+    (*g_transport_options.env)->CallStaticVoidMethod(g_transport_options.env, g_transport_options.cls, g_transport_options.notify_envelope_mid, jevent_path);
 }
 
-JNIEXPORT void JNICALL Java_io_sentry_android_ndk_SentryNdk_example(JNIEnv *env, jclass clazz) {
+JNIEXPORT void JNICALL Java_io_sentry_android_ndk_SentryNdk_initSentryNative(JNIEnv *env, jclass cls, jstring cache_dir_path) {
+    const char *path = (*env)->GetStringUTFChars(env, cache_dir_path, 0);
+    strcpy(g_transport_options.event_path, path);
+    g_transport_options.env = env;
+    g_transport_options.cls = cls;
+    g_transport_options.notify_envelope_mid = (*env)->GetStaticMethodID(env, cls, "notifyNewSerializedEnvelope", "(Ljava/lang/String;)V");
+
     sentry_options_t *options = sentry_options_new();
 
-    sentry_options_set_transport(options, print, NULL);
+    sentry_options_set_transport(options, send_envelope, NULL);
 
     sentry_options_set_environment(options, "Production");
     sentry_options_set_release(options, "5fd7a6cd");