How to make Gallery_Viewer1 read /storage/emulated/0/Android/data/myapp/files/

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You forgot to provide your blocks…
Here is a working example for you

How can I make this type of design

use gallery viewer and blocks of that was in this aia, [blocks - 2020-03-31T102819.491] [blocks - 2020-03-31T102817.949]

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