how to make malware on sketchware (do not try at home)

My first premiere because why not😀
Last note this is for entertainment purposes
This is not a prank to use on your friends make sure you know what your doing
Code for wallpaper changer:

WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext());
try {
Bitmap bitmap = ((android.graphics.drawable.BitmapDrawable) imageview1.getDrawable()).getBitmap(); myWallpaperManager.setBitmap(bitmap);
} catch (Exception g) {
g.printStackTrace();
}

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