[WIP] Permission plugin

[Cheesebaron]

• Create wrapper around @jamesmontemagno's Permission plugin
• Update nuspecs with dependency on this new plugin
• Use plugin in relevant plugins

[martijn00]

Shouldn't this be async await?

[vvolkgang]

No need to create an unnecessary context sync / wrap I believe, just pass the Task to the caller.

[Cheesebaron]

There is nothing wrong with this. No need to await it here, you can just pass the task along.

[martijn00]

Is there a list available of which plugins need this?

[Cheesebaron]

• Location (GPS)
• PictureChooser (External Storage)
• File (External Storage)
• Accelerometer (Sensor)

As far as I gather these need it.

[danieleardissone]

Hello,
is this Permission Plugin still work in progress?
I need to manage run time permissions for Android 6 Marshmallow in some plugins like File or PictureChooser.
Thanks.

[jamesmontemagno]

Any reason why to have a wrapper around it and not just use mine? @danieleardissone check: https://github.com/jamesmontemagno/PermissionsPlugin

[Cheesebaron]

The wrapper is just to register yours with the IoC and official MvvmCross classes usually contain Mvx smurf naming.

[jamesmontemagno]

ah gotcha gotcha 👍 thanks @Cheesebaron

[jamesmontemagno]

@Cheesebaron Right now I do have a dependency on CurrentActivity... wondering if we can re-work that at all perhaps so it is easier to integrate with MvxPlugin Wrappers?

[danieleardissone]

@jamesmontemagno is your plugin working properly with Storage Permissions?
I wrapped the plugin to use it with MVVMCross like @Cheesebaron said and that's ok.
Now when I manually confirm the permissions, nothing happens.
It seems like no permissions are setted 'cause when I try to access to the sdcard I get an exception.
Any suggestions?
Thanks a lot!

[Cheesebaron]

Do you have the permission in your manifest as well?

[danieleardissone]

@Cheesebaron yes of course, in my manifest I have READ_EXTERNAL_STORAGE and WRITE_EXTERNAL_STORAGE permissions.
I created the wrapper project (PCL), I referenced it in my main PCL project, I created the bootstrap for the MVVMCross plugin, I registered it with the IoC in the Android project and I tried to use it in Services and ViewModels classes where I need interactions with files stored on the sdcard (I'm using MVVMCross FileStore plugin).
Now when I manually confirm runtime storage permissions, OnRequestPermissionsResult in my BaseActivity receives correct permissions but nothing happens after that, I always get the same exception: "UnauthorizedAccessException (access to the path is denied)".
If I try to restart the app, the system doesn't call me to confirm permissions anymore because they are already granted, so seem that they were setted in the right way.
I don't know exactly if this is the correct approach but I can't resolve this issue.
Any idea about what I am doing wrong?
Thanks a lot!

[dgandhi17]

@Cheesebaron isn't It would be good if we can create a sample app for implementing permissions in application ?

[Cheesebaron]

Well, as the title says this is Work In Progress (WIP). I haven't had time to look into it further. If you want to hurry the process you are very welcome to do so.

[danieleardissone]

For your information I solved it.
Xamarin Permissions Plugin and my wrapper work properly, I made a mistake during the interaction with the storage.
Thanks for the support.

[jamesmontemagno]

Is there a specific reason why you couldn't just use my plugin? Why is there a need for a wrapper around it? Seems like it may get out of date if I am updating it.