优化：项目结构、命名

app/jni_headers/com_myjni_api_NativeCommand.h

@@ -0,0 +1,21 @@
+/* DO NOT EDIT THIS FILE - it is machine generated */
+#include <jni.h>
+/* Header for class com_myjni_api_NativeCommand */
+
+#ifndef _Included_com_myjni_api_NativeCommand
+#define _Included_com_myjni_api_NativeCommand
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+ * Class:     com_myjni_api_NativeCommand
+ * Method:    testHello
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_com_myjni_api_NativeCommand_testHello
+  (JNIEnv *, jobject);
+
+#ifdef __cplusplus
+}
+#endif
+#endif