新增：实现testHello())，生成libcomclientjni.so，供APP调用。

build/Ndk_Android.mk

@@ -0,0 +1,18 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../code/
+
+LOCAL_LDLIBS := -llog -lc
+
+LOCAL_SRC_FILES := \
+                ../code/comclientjni.cpp
+
+LOCAL_CFLAGS := -D__OS_ANDROID
+LOCAL_CPPFLAGS += -std=c++11 -android
+
+LOCAL_MODULE := comclientjni
+
+# LOCAL_LDFLAGS := -Wl,--hash-style=both
+
+include $(BUILD_SHARED_LIBRARY)