loguru
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How do I use this project in Logcat for Android?
I want to apply this library to Android and make it available on logcat, how should I do it? Thank you very much!!
You can register a callback like the example below with loguru.
#include <loguru.hpp>
#include <android/log.h>
...
void android_log(void* user_data, const loguru::Message& message)
{
const char* TAG { "TagOfYourApplication" };
switch (message.verbosity)
{
case loguru::Verbosity_ERROR:
__android_log_print(ANDROID_LOG_ERROR, TAG, "%s%s%s", message.preamble, message.prefix, message.message);
break;
case loguru::Verbosity_WARNING:
__android_log_print(ANDROID_LOG_WARN, TAG, "%s%s%s", message.preamble, message.prefix, message.message);
break;
case loguru::Verbosity_INFO:
__android_log_print(ANDROID_LOG_INFO, TAG, "%s%s%s", message.preamble, message.prefix, message.message);
break;
case loguru::Verbosity_MAX:
__android_log_print(ANDROID_LOG_VERBOSE, TAG, "%s%s%s", message.preamble, message.prefix, message.message);
break;
default:
__android_log_print(ANDROID_LOG_DEBUG, TAG, "%s%s%s", message.preamble, message.prefix, message.message);
break;
}
}
Register the callback function when you set up loguru in your native code:
#include <loguru.hpp>
...
// this block is optional, it allows you to configure the message preamble
loguru::g_preamble_header = false;
loguru::g_preamble_date = false;
loguru::g_preamble_time = false;
loguru::g_preamble_uptime = false;
loguru::g_preamble_thread = true;
loguru::g_preamble_file = true;
loguru::g_preamble_verbose = false;
loguru::g_preamble_pipe = false;
// register your callback function
loguru::add_callback("android_logger", android_log, nullptr, loguru::Verbosity_MAX);
...