Android Question Adding views to activity through class

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Brian Dean

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• Oct 26, 2020

• #2

I want to add it through a common class to avoid writing in every form. Is there a way for this.

Click to expand...

This is quite easy to do. I usually add a semi-transparent panel over the activity - this dims the screen and stops the User activating any views. Then another panel on top of that carries the help information.

I am a bit busy at the moment, but if you are interested I can post a demo example later.

 

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Juzer Hussain

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• Oct 26, 2020

• #3

Thanks Brian,

Actually i wanted to avoid adding any view to layouts.
Looks like it isn't possible to add everything from class.

I will also add a panel(in every layout) and add a panel over it from class to show help text.

Thanks
Juzer

 

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B

Brian Dean

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• Oct 26, 2020

• #4

Actually i wanted to avoid adding any view to layouts.

Click to expand...

I don't add any views to the layout - the class creates the panel. It certainly is possible to add everything from a class! Are you interested now?

 

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J

Juzer Hussain

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• Oct 26, 2020

• #5

Yes pls.

 

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Juzer Hussain

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• Oct 26, 2020

• #6

After getting value in class (from the job) I am loading a predefined layout in a temporary panel.
When i am trying to add this temp panel to activity it gives error.

 

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J

Juzer Hussain

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• Oct 26, 2020

• #7

error in below line
java.lang.ClassCastException: java.lang.Class cannot be cast to anywheresoftware.b4a.BALayout

B4X:

sModule.AddView(tmpPanel,0,0,10%x,10%y)

 

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B

Brian Dean

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• Oct 26, 2020

• #8

Here is the demo. This one gives short help tips with "Got it" (don't show again) and "Later" (don't bother me now) options. I have added a "Reset" button to set everything back to the start - this is useful for the demo.

If you want to give longer help messages then you will have to adapt the demo to provide a larger area for text. However the principle of overlaying a panel to screen the underlying activity will be the same. Note that you need to give the panel some elevation to get above buttons. Let me know if anything is unclear.

 

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• HelpDemo.zip

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Last edited: Oct 26, 2020

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J

Juzer Hussain

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• Oct 26, 2020

• #9

I checked the demo and found a minor difference instead of Me it should be Activity when calling class function . I changed it and it worked.
Lot of Thanks Brian.

Juzer

 

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