網上查了很多資料,自己也嘗試過多次,經過屢次失敗之後終於成功了,記錄下此文檔和大家分享下。
先說下我的環境:
win7(64bit) + cygwin(64bit) + ndk(r9b) + protobuf(2.5.0)應該都是目前最新的環境。
1.搭建好ndk的環境,保證能成功編譯ndk下的例子hello-jni。
2.在protobuf目錄下新建jni目錄,將src目錄複製到jni目錄下;
3.在jni目錄下新建Android.mk文件,將下面的內容粘貼到文件中:
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := protobuf_static
LOCAL_MODULE_FILENAME := libprotobuf
LOCAL_SRC_FILES :=src/google/protobuf/io/coded_stream.cc \
src/google/protobuf/stubs/common.cc \
src/google/protobuf/descriptor.cc \
src/google/protobuf/descriptor.pb.cc \
src/google/protobuf/descriptor_database.cc \
src/google/protobuf/dynamic_message.cc \
src/google/protobuf/extension_set.cc \
src/google/protobuf/extension_set_heavy.cc \
src/google/protobuf/generated_message_reflection.cc \
src/google/protobuf/generated_message_util.cc \
src/google/protobuf/io/gzip_stream.cc \
src/google/protobuf/compiler/importer.cc \
src/google/protobuf/message.cc \
src/google/protobuf/message_lite.cc \
src/google/protobuf/stubs/once.cc \
src/google/protobuf/compiler/parser.cc \
src/google/protobuf/io/printer.cc \
src/google/protobuf/reflection_ops.cc \
src/google/protobuf/repeated_field.cc \
src/google/protobuf/service.cc \
src/google/protobuf/stubs/structurally_valid.cc \
src/google/protobuf/stubs/strutil.cc \
src/google/protobuf/stubs/substitute.cc \
src/google/protobuf/text_format.cc \
src/google/protobuf/io/tokenizer.cc \
src/google/protobuf/unknown_field_set.cc \
src/google/protobuf/wire_format.cc \
src/google/protobuf/wire_format_lite.cc \
src/google/protobuf/io/zero_copy_stream.cc \
src/google/protobuf/io/zero_copy_stream_impl.cc \
src/google/protobuf/io/zero_copy_stream_impl_lite.cc \
src/google/protobuf/stubs/stringprintf.cc
LOCAL_EXPORT_C_INCLUDES :=
LOCAL_EXPORT_LDLIBS :=
LOCAL_C_INCLUDES := $(LOCAL_PATH) \
$(LOCAL_PATH)/src
LOCAL_LDLIBS := \
-llog \
-lz
include $(BUILD_STATIC_LIBRARY)
4.在jni目錄下新建Application.mk文件,將下面的內容粘貼到此文件中:
APP_STL := gnustl_static
APP_CPPFLAGS := -frtti
5.打開cygwin,轉到protobuf目錄,允許命令
./configure
6.將protobuf目錄下的config.h文件複製到jni/src目錄下
7.在protobuf目錄下執行ndk-build命令,此時開始編譯protobuf
如果一切順利,會提示生成了libprotobuf.a文件。
此文件保存在protobuf目錄下的obj/local/armeabi位置