tech talk #2: android app performance tips
TRANSCRIPT
Android App Performance Tips
Lê Văn Giáp
Why ?
Smooth responsive
Why ?
Keep battery time
Coding tips
§ Avoid Creating Unnecessary Objects § Use Static Final For Constants § Avoid Internal Getters/Setters § Use Enhanced For Loop Syntax § Avoid Using Floating-Point § Create package Instead of private Inner Classes
Read more at: http://developer.android.com/
Use Enhanced For Loop Syntax
UI tips Re-using layout with <include />
UI tips <merge/>
UI tips Loading views on demand <ViewStub/>
UI tips Smooth scrolling ListView – (AsyncTask)
UI tips Smooth scrolling ListView – (ViewHolder)
…in getView(….)
UI tips Smooth scrolling ListView
RecyclerView
RecyclerView.ViewHolder
RecyclerView.Adapter
Instead of basic ListView
UI tips Smooth loading image
Lazy load
AsyncTask
File caching
UI tips Monitor, Tracking tool
Memory monitor
Allocatio tracker
Heap viewer Systrace
Advance tips
Optimizing Battery Life
Read more at developer.android.com
Reducing Network Battery Drain Optimizing for Doze and App Standby
Monitoring the Battery Level and Charging State Manipulating Broadcast Receivers On Demand
