android save picker, create dir api wip

src/app_events.cpp

@@ -4,6 +4,7 @@
 #ifdef __ANDROID__
 void displayKeyboard(bool pShow);
 void android_pick_file(std::function<void(std::string)> callback);
+void android_pick_file_save(std::function<void(std::string)> callback);
 std::string android_get_clipboard();
 bool android_set_clipboard(const std::string& s);
 #elif _WIN32
@@ -228,7 +229,7 @@ void App::pick_file_save(std::vector<std::string> types, std::function<void (std
             callback(path);
     });
 #elif __ANDROID__
-    //android_pick_file(callback);
+    android_pick_file_save(callback);
 #elif _WIN32
     std::string filter = "Supported Files (";
     bool first_type = true;

src/asset.cpp

@@ -9,6 +9,7 @@
 #ifdef __ANDROID__
 #include <dirent.h>
 AAssetManager* Asset::m_am;
+bool android_create_dir(const std::string& path);
 #endif
 
 bool Asset::delete_file(const std::string& path)
@@ -134,6 +135,15 @@ bool Asset::is_asset(const std::string & path)
     return path.substr(0, 5) == "data/";
 }
 
+bool Asset::create_dir(const std::string& path)
+{
+#if __WIN__
+    return PathFileExistsA(path.c_str()) ? true : CreateDirectoryA(path.c_str(), NULL);
+#elif __ANDROID__
+    return android_create_dir(path);
+#endif
+}
+
 bool Asset::open(const char* path)
 {
     //LOG("Asset::open %s", path);

src/asset.h

@@ -12,6 +12,7 @@ public:
     static bool delete_file(const std::string& path);
     static std::string absolute(const std::string& path);
     static bool is_asset(const std::string& path);
+    static bool create_dir(const std::string& path);
     std::string m_current_path;
     FILE* m_fp = nullptr;
     int m_len = 0;