Function InitAndroid

src/android/android_main.cpp:161–245

}

const char *InitAndroid()
{
	// Change current working directory to our external storage location
	const char *pPath = SDL_AndroidGetExternalStoragePath();
	if(pPath == nullptr)
	{
		return "The external storage is not available.";
	}
	if(fs_chdir(pPath) != 0)
	{
		return "Failed to change current directory to external storage.";
	}
	log_info("android", "Changed current directory to '%s'", pPath);

	if(fs_makedir("data") != 0 || fs_makedir("user") != 0)
	{
		return "Failed to create 'data' and 'user' directories in external storage.";
	}

	if(EqualIntegrityFiles(INTEGRITY_INDEX, INTEGRITY_INDEX_SAVE))
	{
		return nullptr;
	}

	if(!UnpackAsset(INTEGRITY_INDEX))
	{
		return "Failed to unpack the integrity index file. Consider reinstalling the app.";
	}

	std::vector<CIntegrityFileLine> vIntegrityLines = ReadIntegrityFile(INTEGRITY_INDEX);
	if(vIntegrityLines.empty())
	{
		return "Failed to load the integrity index file. Consider reinstalling the app.";
	}

	std::vector<CIntegrityFileLine> vIntegritySaveLines = ReadIntegrityFile(INTEGRITY_INDEX_SAVE);

	// The remaining lines of each integrity file list all assets and their hashes
	for(size_t i = 1; i < vIntegrityLines.size(); ++i)
	{
		const CIntegrityFileLine &IntegrityLine = vIntegrityLines[i];

		// Check if the asset is unchanged from the last unpacking
		const auto IntegritySaveLine = std::find_if(vIntegritySaveLines.begin(), vIntegritySaveLines.end(), [&](const CIntegrityFileLine &Line) {
			return str_comp(Line.m_aFilename, IntegrityLine.m_aFilename) == 0;
		});
		if(IntegritySaveLine != vIntegritySaveLines.end() && IntegritySaveLine->m_Sha256 == IntegrityLine.m_Sha256)
		{
			continue;
		}

		if(fs_makedir_rec_for(IntegrityLine.m_aFilename) != 0 || !UnpackAsset(IntegrityLine.m_aFilename))
		{
			return "Failed to unpack game assets, consider reinstalling the app.";
		}
	}

	for(size_t i = 1; i < vIntegritySaveLines.size(); ++i)