Fix some warnings

engine/os/android/AndroidDevice.cpp

@@ -31,7 +31,7 @@ namespace crown
 {
 
 //-----------------------------------------------------------------------------
-extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_init(JNIEnv* env, jobject obj)
+extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_init(JNIEnv* /*env*/, jobject /*obj*/)
 {
 	const char* argv[] = { "crown-android" };
 
@@ -39,25 +39,25 @@ extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_init(JNIEnv* env,
 }
 
 //-----------------------------------------------------------------------------
-extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_shutdown(JNIEnv* env, jobject obj)
+extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_shutdown(JNIEnv* /*env*/, jobject /*obj*/)
 {
 	device()->shutdown();
 }
 
 //-----------------------------------------------------------------------------
-extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_frame(JNIEnv* env, jobject obj)
+extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_frame(JNIEnv* /*env*/, jobject /*obj*/)
 {
 	device()->frame();
 }
 
 //-----------------------------------------------------------------------------
-extern "C" JNIEXPORT bool JNICALL Java_crown_android_CrownLib_isInit(JNIEnv* env, jobject obj)
+extern "C" JNIEXPORT bool JNICALL Java_crown_android_CrownLib_isInit(JNIEnv* /*env*/, jobject /*obj*/)
 {
 	return device()->is_init();
 }
 
 //-----------------------------------------------------------------------------
-extern "C" JNIEXPORT bool JNICALL Java_crown_android_CrownLib_isRunning(JNIEnv* env, jobject obj)
+extern "C" JNIEXPORT bool JNICALL Java_crown_android_CrownLib_isRunning(JNIEnv* /*env*/, jobject /*obj*/)
 {
 	return device()->is_running();
 }

engine/os/android/AndroidOS.cpp

@@ -289,7 +289,7 @@ void execute_process(const char* args[])
 } // namespace os
 
 //-----------------------------------------------------------------------------
-extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_pushIntEvent(JNIEnv * env, jobject obj, jint type, jint a, jint b, jint c, jint d)
+extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_pushIntEvent(JNIEnv * /*env*/, jobject /*obj*/, jint type, jint a, jint b, jint c, jint d)
 {	
 	OsEventParameter values[4];
 
@@ -302,7 +302,7 @@ extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_pushIntEvent(JNIEn
 }
 
 //-----------------------------------------------------------------------------
-extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_pushFloatEvent(JNIEnv * env, jobject obj, jint type, jfloat a, jfloat b, jfloat c, jfloat d)
+extern "C" JNIEXPORT void JNICALL Java_crown_android_CrownLib_pushFloatEvent(JNIEnv * /*env*/, jobject /*obj*/, jint type, jfloat a, jfloat b, jfloat c, jfloat d)
 {
 	OsEventParameter values[4];
 

engine/os/android/OsWindow.cpp

@@ -36,12 +36,12 @@ namespace crown
 static ANativeWindow* window = NULL;
 
 //-----------------------------------------------------------------------------
-OsWindow::OsWindow(uint32_t width, uint32_t height, uint32_t /*parent*/) :
+OsWindow::OsWindow(uint32_t /*width*/, uint32_t /*height*/, uint32_t /*parent*/) :
 	m_window(NULL),
-	m_width(0),
-	m_height(0),
 	m_x(0),
-	m_y(0)
+	m_y(0),
+	m_width(0),
+	m_height(0)
 {
 	m_window = window;
 
@@ -133,7 +133,7 @@ void OsWindow::frame()
 }
 
 //-----------------------------------------------------------------------------
-extern "C" void Java_crown_android_CrownLib_setWindow(JNIEnv *env, jclass clazz, jobject surface)
+extern "C" void Java_crown_android_CrownLib_setWindow(JNIEnv *env, jclass /*clazz*/, jobject surface)
 {
     // obtain a native window from a Java surface
 	CE_ASSERT(surface != 0, "Unable to get Android window");