std::to_string is not memember of std android

16lz 2021-12-04

cmake 构建就没这个问题

c++库的问题

(https://developer.android.com/ndk/guides/cpp-support?hl=zh-cn)
使用NDK-BUILD 直接构建：

AAtransMBP:android lijin$ /Users/lijin/Library/Android/sdk/ndk-bundle/ndk-build Android NDK: WARNING: APP_STL gnustl_static is deprecated and will be removed in the next release. Please switch to either c++_static or c++_shared. See https://developer.android.com/ndk/guides/cpp-support.html for more information.

双重保险

Application.mk 里

APP_STL := c++_staticAPP_CPPFLAGS := -frtti -fexceptions -std=c++11APP_ABI := armeabi-v7aAPP_PLATFORM := android-21

gralde 里

        ndk {            moduleName "ccsdk"            abiFilter "armeabi-v7a"            stl "c++_static"            ldLibs "log"        }

如果怕有风险

#include #include #if defined(__ANDROID__)#define TO_STRING to_stringAndroidtemplate <typename T>inline std::string to_stringAndroid(T value){    std::ostringstream os ;    os << value ;    return os.str() ;}#else#define TO_STRING std::to_string#endif

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