Trouble with Bedrock multiplayer while using add-ons and resource packs.

So this article has a little picture slideshow that gives a brief how-to for getting texture packs: https://www.minecraft.net/en-us/article/try-new-bedrock-textures

After that go to the settings menu of your world when you load it up and the option to add texture packs, shaders, and resource packs should be one of the first things to come up.

The resource pack applies 500 of each resource. You have to make sure that you have no more than 2000 of each resource. Otherwise the pack will not be applied, because if just one of the resources is above 2000 in quantity, you will not have enough storage
space to have it applied to your ship. Also there is an in game notification that informs you there isn't enough space if you are above 2000 in quantity for a single resource. try to sell or use up some of these resources and it should work. You may need to
go to the main menu and reload for it to work after you clear up the space. Also, you can purchase and use the resource pack as many times as you like.

i have a prob with when i open a resource pack it opens the mc launcher instead of bedrock

If you're having trouble accepting invites or joining Realms, be sure that you are not using a modded game client, and are not using a resource pack that does not contain textures for the Realm buttons. If you are, switch to the standard Minecraft
game client, click Options, click Resource Packs, then return to the default.

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Download a texture pack (also known as a resource pack) in a compatible format such as .mcpack or .zip from a trusted source. Make sure the pack is designed for Minecraft Bedrock Edition.

Open the downloaded texture pack file. It should automatically open with Minecraft Bedrock if you have the game installed.

Minecraft Bedrock will import the texture pack and prompt you to apply it. Click the "Apply" or "Activate" button to enable the texture pack.

If the texture pack doesn't automatically open with Minecraft, you can manually import it. Copy or move the downloaded .mcpack or .zip file to the following location on your mobile device:

Android: Internal Storage/games/com.mojang/resource_packs

iOS: On iOS devices, the process requires a file management app like Documents by Readdle or iExplorer. Move the texture pack file to the "games/com.mojang/resource_packs" directory.

After moving the file, open Minecraft Bedrock and go to "Settings" > "Global Resources."

In the "My Packs" section, you should see the imported texture pack listed. Tap on it to activate it.