Use base64 encoded images

[actech]

Thunkable X components can display images encoded in base64 format. To do this, enter the data in this format in the URL or file name input field, for example:

data:image/png;base64,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

This allows you to use a string representation of the image instead of importing an image file into the project.

Some input fields on the Thunkable X properties panel do not work correctly with large text.

[Hayder]

I recommend that you have to create your own YouTube channel and start making videos about your exp.
If you already have one, please drop the link here.

[actech]

Thanks for the suggestion. Unfortunately, I do not know English well enough to create training videos and prefer to give information in text form. Therefore, while I post information here and on my Russian-language site.

[Hayder]

It does not need a professional English language, you can show what are you doing with a few English label to describe what you did.

[actech]

I understood. It’s like Thunkable tutorials. This is interesting and obvious for users, but there is one problem - if the interface of the software environment changes, then you will have to redo all tutorials. Otherwise, the old interface or blocks will be misleading.

[actech]

You can ask, why should I encode images in base64 format, if I can add many files to the project at once? Because in some cases it’s more convenient to work with base64 - you can quickly update a huge amount of images in the project and get additional information about them (width, height, color depth, type, etc., that you want to add using the script).

Below is a php script that displays in the browser window text in base64 format for all graphics files in the specified (“sourceimages”) directory.

<?
$DirPath="sourceimages\\";
$Dir=opendir($DirPath);
$list = array();

while ($File=readdir($Dir)):
	if (is_dir($File)==false)
		{
			$path = $DirPath.$File;
			$data = file_get_contents($path);
			$fileInfo = getimagesize($path);
			$base64 = 'data:'.$fileInfo["mime"].';base64,' . base64_encode($data);
			array_push($list,basename($File)."#".$fileInfo[0]."#".$fileInfo[1]."#".$base64);
		}
endwhile;
echo implode('#', $list);
?>

After that, you can copy the base64 text into a text block “base54List” and turn it into a list for further work, as shown below.