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The Top 5 Practices That Make My Android Architecture More Scalable 

Philipp Lackner
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In this video, I'll share my top 5 practices that I would recommend anyone for their Android codebase to make it more scalable.
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00:00 Introduction
00:36 Practice 1
03:24 Practice 2
05:46 Practice 3
10:55 Practice 4
15:11 Practice 5

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15 авг 2024

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Комментарии : 25   
@xAngel03
@xAngel03 28 дней назад
1. Dependincy Injection 2. Testing 3. Modular Design 4. Avoiding In-Memory Global State 5. Packge Structure Consistency
@Nek_12
@Nek_12 Месяц назад
That feeling when you said you should avoid global state and 10 seconds ago you showed that you had a private mutable var connectedNode that had a race with other coroutines.
@PhilippLackner
@PhilippLackner Месяц назад
Global state is not dangerous if it's automatically re-assigned after process death which is the case for this connected node. If the process dies and is then recreated, we'll have to re-establish the connection anyways. I've also explained that in the course. Not sure which race condition you mean there regarding connectedNode.
@Nek_12
@Nek_12 Месяц назад
​@@PhilippLackner The wear messaging class sends messages using connectedNodeId which it will overwrite when you call connectToNode multiple times, causing messages to be sent to the wrong node. The design was supposed to observe and map the current node to a connection flow to prevent multiple clients from using it simultaneously. Your point about the local state is valid, the issue is how you manage it...
@snb_officall
@snb_officall Месяц назад
Hi philip, could you show how to make one feature? it showed in 3D the real position of the phone in space, not only rotation, but in full from height to tilt, please, I am subscribed to you
@user-pn7hx7wx2k
@user-pn7hx7wx2k Месяц назад
Global state is dangerous, I had to rewrite my code to use local preference instead. Because process death caused app crash. I was tempted to use savedInstanceState to update global state, but I just decided in the end local preference aproach.
@jinde5566
@jinde5566 Месяц назад
I was using DataStore and combine with workflow that need Global state in UseCases
@snb_officall
@snb_officall Месяц назад
hi Philip, I recently saw a program like crypto steps there to sell sneakers and pay for steps there they asked me for money to start and I deleted it now I can’t find a similar application, could you show me how to make one feature from there? it showed in 3D the real position of the phone in space, not only rotation, but in full from height to tilt, please, I am subscribed to you
@tch.777
@tch.777 Месяц назад
Amazing like always, ty ❤
@aamirhoda7363
@aamirhoda7363 Месяц назад
One Question though about "Consistent Package Structure" -- As we have structured packages based on features, then my question is, if my "admin_override" feature has a couple of very small features that open up different screens as follows: 1. setting "printers" config through a screen, 2. showing "system_logs" through a screen, 3. "admin_override" screen itself for setting a couple of values/settings for the app to use; then inside "admin_override" package, should I create sub-packages called "system_logs" & "printers" which will further contain the usual "data", "domain", "presentation", "di" packages; as well as "data", "domain", "presentation", "di" packages in "admin_override" package as well ??? admin_override |__data |__domain |__presentation |__di |__system_logs |__data |__domain |__presentation |__di |__printers |__data |__domain |__presentation |__di 👆 For Consistency ??
@PhilippLackner
@PhilippLackner Месяц назад
That quickly results in package hell :D Don't make it more complex than it needs to be. If you feel like system logs and printers are part of the admin override feature, include them in the corresponding layer packages
@ren7907
@ren7907 Месяц назад
Philip, very nice video. Quick question, does it make sense to have a folder/package with only one file inside? for example, the mappers folder has only one file "DeviceNodeMapper".
@TheBlackManMythLegend
@TheBlackManMythLegend Месяц назад
Just read job offers and learn that . Testing , solid principle , kotlin , jet pack compose and so on.
@shahar19971
@shahar19971 Месяц назад
In case you need global state for contacts Would you use state flow like in your example, or save that into room/datastore?
@MrPDTaylor
@MrPDTaylor Месяц назад
Phillip, do you know Timo Boll?
@PhilippLackner
@PhilippLackner Месяц назад
Legend
@littlebitofeverything237
@littlebitofeverything237 Месяц назад
Thanks!
@androidpc9656
@androidpc9656 Месяц назад
What if the globol state should not persist only live until the app closes?
@kivan26
@kivan26 Месяц назад
All the data should be accessed the same way, trough repositories. It is a repository implementation detail whether the data is stored in DB, file, rest api, shared prefs, or even in memory...
@sureshsivalingam01
@sureshsivalingam01 Месяц назад
Hey philipp or anybody know. In Android essential bundle course. I need some clarification which is lifetime access and which is limited time access?
@PhilippLackner
@PhilippLackner Месяц назад
@@sureshsivalingam01 they're all lifetime access
@sureshsivalingam01
@sureshsivalingam01 27 дней назад
Thank u
@MrPDTaylor
@MrPDTaylor Месяц назад
Guten tag
@MrPDTaylor
@MrPDTaylor Месяц назад
Ich bin ein Berliner
@MrPDTaylor
@MrPDTaylor Месяц назад
Third
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