moved hard code into java side and successfully passed back to native

android/jni/i2pd_android.cpp

@@ -44,18 +44,27 @@ JNIEXPORT jstring JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_getABICompiledWith
 }
 
 JNIEXPORT jstring JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_startDaemon
-  (JNIEnv * env, jclass clazz) {
+  (JNIEnv * env, jclass clazz, jobjectArray args) {
+    int argc = env->GetArrayLength(args);
+    typedef char *pchar;    
+    pchar* argv = new pchar[argc];
+    for (int i = 0; i < argc; i++) {
+        jstring arg = (jstring) env->GetObjectArrayElement(args, i);
+        const char *argStr = env->GetStringUTFChars(arg, 0);
+        size_t len = strlen(argStr);
+        argv[i] = new char[len + 1];
+        strcpy(argv[i], argStr);
+        env->ReleaseStringUTFChars(arg, argStr);
+    }
 
-     int argc=5;
-     static char* argv[]={
-         strdup("i2pd"), 
-         strdup("--conf=/sdcard/i2pd/i2pd.conf"), 
-         strdup("--tunconf=/sdcard/i2pd/tunnels.conf"), 
-         strdup("--datadir=/data/data/org.purplei2p.i2pd/app_data/"),
-         strdup("--service"), strdup("--daemon")
-     };
+    const char* result = i2p::android::start(argc,argv).c_str();
+    
+    for (int i = 0; i < argc; i++) {
+        delete [] argv[i];
+    }
+    delete [] argv;
 
-	  return env->NewStringUTF(i2p::android::start(argc,argv).c_str());
+    return env->NewStringUTF(result);
 }
 
 JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_stopDaemon

android/jni/org_purplei2p_i2pd_I2PD_JNI.h

@@ -16,7 +16,7 @@ JNIEXPORT jstring JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_getABICompiledWith
   (JNIEnv *, jclass);
 
 JNIEXPORT jstring JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_startDaemon
-  (JNIEnv *, jclass);
+  (JNIEnv *, jclass, jobjectArray args);
 
 JNIEXPORT void JNICALL Java_org_purplei2p_i2pd_I2PD_1JNI_stopDaemon
   (JNIEnv *, jclass);

android/src/org/purplei2p/i2pd/DaemonSingleton.java

@@ -62,7 +62,16 @@ public class DaemonSingleton {
 				}
 				try {
 					synchronized (DaemonSingleton.this) {
-						daemonStartResult = I2PD_JNI.startDaemon();
+                        String args[] = {
+                            "i2pd", 
+                            "--conf=/sdcard/i2pd/i2pd.conf", 
+                            "--tunconf=/sdcard/i2pd/tunnels.conf", 
+                            "--datadir=/data/data/org.purplei2p.i2pd/app_data/",
+                            "--service",
+                            "--daemon"
+                        };
+
+						daemonStartResult = I2PD_JNI.startDaemon(args);
 						if("ok".equals(daemonStartResult)){
 							state=State.startedOkay;
 							setStartedOkay(true);

android/src/org/purplei2p/i2pd/I2PD_JNI.java

@@ -6,7 +6,7 @@ public class I2PD_JNI {
 	 * returns error info if failed
 	 * returns "ok" if daemon initialized and started okay
 	 */
-    public static native String startDaemon();
+    public static native String startDaemon(String args[]);
     //should only be called after startDaemon() success
     public static native void stopDaemon();