Hello guys, got a couple of weird stuffs going on

Question

Hello guys, got a couple of weird stuffs going on

in my app and I'll appreciate some help. I got this recycler view with grid layout manager, the inflated views actually use a selector background and they're supposed to change background whenever any of the views is activated. But the problem is, whenever i activate one view, i find out that some other view down the list changes the background too without interacting with the user, and the whole thing feels weird, I've been up the whole night and this morning trying to debug but I've not been successful. Anyone got any idea what might be going on?

0

18.09.2021

8 ответов

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Roman Chumachenko

So your problem is that new items are shown in old views. Which is fine. You should manage this thing with which item is selected and which is not on your own. And when you bind data to view in adapter you need to specify if this view is selected or not

0

18.09.2021

Nnaoma M Автор вопроса

Roman Chumachenko
So your problem is that new items are shown in old...

Wow!!! Man you just gave me an idea. I'm 100% grateful. The thing is, I'm managing the view state my self, since i have an array list containing values that determines if the view is activated or not. But as usual, logical errors could last hrs, weeks or months to figure out. I knew the view was being reused, but my logic was so messed up. I wasn't doing the right thing. Thanks man, I'm grateful

0

18.09.2021

Roman Chumachenko

Nnaoma M
Wow!!! Man you just gave me an idea. I'm 100% grat...

Glad it helped 😁

0

18.09.2021

Nnaoma M Автор вопроса

Roman Chumachenko
Glad it helped 😁

One more thing sir, do you have a good idea how AUDIO FOCUS LISTENER works? Let's say i request for a transient focus, and then lose the focus to another app requesting for a transient focus. If i regain the focus, which one of these flags would be called? FOCUS_GAIN or FOCUS_GAIN_TRANSIENT? NB: i initially requested for transient focus before losing it to another app

0

18.09.2021

Roman Chumachenko

Nnaoma M
One more thing sir, do you have a good idea how AU...

No idea man. Never worked with this thing

0

18.09.2021

Nnaoma M Автор вопроса

Roman Chumachenko
No idea man. Never worked with this thing

Okay man!!! Seems like i'll have to fix this one myself. Thanks again, you really saved me from my own shit✊🏾

0

18.09.2021

Roman Chumachenko

Nnaoma M
Okay man!!! Seems like i'll have to fix this one m...

You're welcome!

0

18.09.2021

Roman Chumachenko · Accepted Answer

Got an idea. So look recycler uses pool of views right? You have, say 15 views in pool, user interacts with one of them, changing it's state. View remembers this state (new background state in your case). Then you scroll down a bit and recycler picks this view you interacted with and show it down the line with new data. Basically you can't rely on view remembering it's state when you put it in recycler. You need to manage this state on your own

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Hello guys, got a couple of weird stuffs going on

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