[general] moving ios and android project under ./platform folder

platform/android/MapboxGLAndroidSDK/src/cpp/logger.cpp

@@ -0,0 +1,34 @@
+#include "logger.hpp"
+#include "java_types.hpp"
+
+namespace mbgl {
+namespace android {
+
+void Logger::registerNative(jni::JNIEnv& env) {
+    jni::Class<Logger>::Singleton(env);
+}
+
+void Logger::log(jni::JNIEnv& env, EventSeverity severity, const std::string &msg) {
+    static auto& _class = jni::Class<Logger>::Singleton(env);
+
+    auto tag = jni::Make<jni::String>(env, "Mbgl");
+    auto message = jni::Make<jni::String>(env, msg);
+    using Signature = void(jni::String, jni::String);
+
+    if (severity == EventSeverity::Debug) {
+        auto static debug = _class.GetStaticMethod<Signature>(env, "d");
+        _class.Call(env, debug, tag, message);
+    } else if (severity == EventSeverity::Info) {
+        auto static info = _class.GetStaticMethod<Signature>(env, "i");
+        _class.Call(env, info, tag, message);
+    } else if(severity == EventSeverity::Warning) {
+        auto static warning = _class.GetStaticMethod<Signature>(env, "w");
+        _class.Call(env, warning, tag, message);
+    } else {
+        auto static error = _class.GetStaticMethod<Signature>(env, "e");
+        _class.Call(env, error, tag, message);
+    }
+}
+
+} // namespace android
+} // namespace mbgl