[android] CCUserDefault works ok on android2.2

cocos2dx/platform/android/CCFileUtils_android.cpp

@@ -25,6 +25,7 @@ THE SOFTWARE.
 NS_CC_BEGIN;
 
 #include "CCCommon.h"
+#include "Cocos2dJni.h"
 
 #define  MAX_PATH 256
 
@@ -107,9 +108,8 @@ int CCFileUtils::ccLoadFileIntoMemory(const char *filename, unsigned char **out)
 string CCFileUtils::getWriteablePath()
 {
 	// the path is: /data/data/ + package name
-	string dir("/data/data");
-	size_t length = s_strResourcePath.rfind(".") - s_strResourcePath.rfind("/");
-	return dir + s_strResourcePath.substr(s_strResourcePath.rfind("/"), length) + "/" ;
+	string dir("/data/data/");
+	return dir + getPackageNameJNI() + "/" ;
 }
 
 NS_CC_END;

cocos2dx/platform/android/Cocos2dJni.cpp

@@ -375,4 +375,51 @@ extern "C"
     {
         cocos2d::CCIMEDispatcher::sharedDispatcher()->dispatchDeleteBackward();
     }
+
+	//////////////////////////////////////////////////////////////////////////
+	// get package name
+	//////////////////////////////////////////////////////////////////////////
+
+	static char* jstringTostring(JNIEnv* env, jstring jstr)
+	{
+		char* rtn = NULL;
+
+		// convert jstring to byte array
+		jclass clsstring = env->FindClass("java/lang/String");
+		jstring strencode = env->NewStringUTF("utf-8");
+		jmethodID mid = env->GetMethodID(clsstring, "getBytes", "(Ljava/lang/String;)[B");
+		jbyteArray barr= (jbyteArray)env->CallObjectMethod(jstr, mid, strencode);
+		jsize alen =  env->GetArrayLength(barr);
+		jbyte* ba = env->GetByteArrayElements(barr, JNI_FALSE);
+
+		// copy byte array into char[]
+		if (alen > 0)
+		{
+			rtn = (char*)malloc(alen + 1);
+			memcpy(rtn, ba, alen);
+			rtn[alen] = 0;
+		}
+		env->ReleaseByteArrayElements(barr, ba, 0);
+
+		return rtn;
+	}
+
+	const char* getPackageNameJNI()
+	{
+		TMethodJNI t;
+		const char* ret = NULL;
+
+		if (getMethodID(t
+			, "org/cocos2dx/lib/Cocos2dxActivity"
+			, "getCocos2dxPackageName"
+			, "()Ljava/lang/String;"))
+		{
+			jstring str = (jstring)t.env->CallStaticObjectMethod(t.classID, t.methodID);
+			ret = jstringTostring(t.env, str);
+
+			LOGD("package name %s", ret);
+		}
+
+		return ret;
+	}
 }

cocos2dx/platform/android/Cocos2dJni.h

@@ -34,6 +34,7 @@ extern "C"
 	void disableAccelerometerJNI();
 	void showMessageBoxJNI(const char * pszMsg, const char * pszTitle);
     void setKeyboardStateJNI(int bOpen);
+	const char* getPackageNameJNI();
 }
 
 #endif // __ANDROID_COCOS2D_JNI_H__

tests/test.android/src/org/cocos2dx/lib/Cocos2dxActivity.java

@@ -64,6 +64,7 @@ public class Cocos2dxActivity extends Activity{
     private static boolean accelerometerEnabled = false;
     private static Handler handler;
     private final static int HANDLER_SHOW_DIALOG = 1;
+    private static String packageName;
 
     private static native void nativeSetPaths(String apkPath);
 
@@ -171,6 +172,10 @@ public class Cocos2dxActivity extends Activity{
     	backgroundMusicPlayer.end();
     	soundPlayer.end();
     }
+    
+    public static String getCocos2dxPackageName(){
+    	return packageName;
+    }
 
     @Override
     protected void onResume() {
@@ -195,6 +200,8 @@ public class Cocos2dxActivity extends Activity{
     }
 
     protected void setPackgeName(String packageName) {
+    	Cocos2dxActivity.packageName = packageName;
+    	
     	String apkFilePath = "";
         ApplicationInfo appInfo = null;
         PackageManager packMgmr = getApplication().getPackageManager();