Example code for home menu blocking. (Outdated)

main.c

#include <3ds.h>
#include <stdio.h>

int main(int argc, char **argv)
{
	gfxInitDefault();
	consoleInit(GFX_TOP, NULL);

	printf("Home button blocking demo.\n");
	printf("Press A to block/unblock the home button.\n");
	printf("Press START to exit.\n");

	while (aptMainLoop())
	{
		hidScanInput();

		u32 kDown = hidKeysDown();

		if (kDown & KEY_START)
			break;

		if (kDown & KEY_A)
		{
			aptSetHomeAllowed(!aptIsHomeAllowed());
			printf("Home button is now %s.\n", aptIsHomeAllowed() ? "unblocked" : "blocked");
		}

		if (aptHomeIsPressed())
			printf("Home Button was pressed.\n");

		// Flush and swap framebuffers
		gfxFlushBuffers();
		gfxSwapBuffers();

		gspWaitForVBlank();
	}

	gfxExit();
	return 0;
}