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camera_design [2020/08/30 21:19]
paul [Android Binder] 		camera_design [2020/08/31 03:24] (current)
paul [Observer Pattern]
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 Android allows for processes to communicate with each other using Intents. You can send intents to other processes and then handle their callbacks. Android allows for processes to communicate with each other using Intents. You can send intents to other processes and then handle their callbacks.
  
-{{:pasted:20200830-211833.png}}+{{:pasted:20200830-211833.png?500}} 
 + 
 +==== Binder Structure ==== 
 + 
 +{{:pasted:20200830-213136.png?500}} 
 + 
 +Binder allows us to communicate to other process through a managed way. It's pretty much roscore in ROS. 
 + 
 +Theres a bunch of different stuff that will happen to get messages from senders to receivers. No need to worry about it but here is how it looks. 
 + 
 +{{:pasted:20200830-224627.png?500}} 
 + 
 +Here is an interesting example of how this plays out when an app requests a location service. 
 + 
 +{{:pasted:20200830-224905.png?500}} 
 ===== OOP ===== ===== OOP =====
  
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 ===== OOP Patterns ===== ===== OOP Patterns =====
 +
 +The following are different design patterns that can be implemented.
 +
 ==== Strategy Pattern ==== ==== Strategy Pattern ====
  
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 dynamically. dynamically.
  
 +==== Observer Pattern ====
 +
 +This very similar to the publisher subscriber model. An Observer 
 +
 +{{:pasted:20200830-233332.png?500}}
 ===== Video Compression ==== ===== Video Compression ====
  
  • camera_design.1598822362.txt.gz
  • Last modified: 2020/08/30 21:19
  • by paul