Android 编译 ZBar 解决中文乱码

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JNI 相关资料

• 向您的项目添加 C 和 C++ 代码
• googlesamples-android-ndk

编译 libiconv

• 下载并解压 libiconv-1.15.tar.gz
• cd libiconv-1.15
• ./configure && make
• 拷贝 libiconv-1.15 到项目的 jni 目录下

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准备 ZBar

• 拷贝对应文件到指定目录

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修改文件

• 修改 zbar/qrcode/qrdectxt.c 文件解决中文乱码
• libiconv-1.15/libcharset/config.h 第 14 行「#define HAVE_LANGINFO_CODESET 1」改为「/ #define HAVE_LANGINFO_CODESET 1 /」
• libiconv-1.15/libcharset/lib/localcharset.c 的 195 行「int c;」剪切到 126 行作为「get_charset_aliases (void) 方法体的第一行」
• 修改 Application.mk 的内容为
• 修改 Android.mk 的内容为

  
  #
  # Android NDK makefile 
  #
  # build - <ndk path>/ndk-build ICONV_SRC=<iconv library src> 
  # clean -  <ndk path>/ndk-build clean
  #
  MY_LOCAL_PATH := $(call my-dir)

libiconv

include $(CLEAR_VARS) ICONV_SRC := $(MY_LOCAL_PATH)/libiconv-1.15 LOCAL_PATH := $(ICONV_SRC)

LOCAL_MODULE := libiconv

LOCAL_CFLAGS := \ -Wno-multichar \ -D_ANDROID \ -DLIBDIR="c" \ -DBUILDING_LIBICONV \ -DBUILDING_LIBCHARSET \ -DIN_LIBRARY

LOCAL_SRC_FILES := \ lib/iconv.c \ libcharset/lib/localcharset.c \ lib/relocatable.c

LOCAL_C_INCLUDES := \ $(ICONV_SRC)/include \ $(ICONV_SRC)/libcharset \ $(ICONV_SRC)/libcharset/include

include $(BUILD_SHARED_LIBRARY)

LOCAL_LDLIBS := -llog -lcharset

libzbarjni

include $(CLEAR_VARS)

LOCAL_PATH := $(MY_LOCAL_PATH) LOCAL_MODULE := zbarjni LOCAL_SRC_FILES := zbarjni.c \ zbar/img_scanner.c \ zbar/decoder.c \ zbar/image.c \ zbar/symbol.c \ zbar/convert.c \ zbar/config.c \ zbar/scanner.c \ zbar/error.c \ zbar/refcnt.c \ zbar/video.c \ zbar/video/null.c \ zbar/decoder/code128.c \ zbar/decoder/code39.c \ zbar/decoder/code93.c \ zbar/decoder/codabar.c \ zbar/decoder/databar.c \ zbar/decoder/ean.c \ zbar/decoder/i25.c \ zbar/decoder/qr_finder.c \ zbar/qrcode/bch15_5.c \ zbar/qrcode/binarize.c \ zbar/qrcode/isaac.c \ zbar/qrcode/qrdec.c \ zbar/qrcode/qrdectxt.c \ zbar/qrcode/rs.c \ zbar/qrcode/util.c

LOCAL_C_INCLUDES := $(LOCAL_PATH)/include \ $(LOCAL_PATH)/zbar \ $(ICONV_SRC)/include

LOCAL_SHARED_LIBRARIES := libiconv

include $(BUILD_SHARED_LIBRARY)

* 在模块的 build.gradle 中配置 Android.mk 路径
![image](https://user-images.githubusercontent.com/8949716/34644189-9f710cf8-f36c-11e7-87dd-3a5b602934a6.png)

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生成 so 文件