Difference of setValue() & postValue() in MutableLiveData

by

Based on the documentation:

setValue():

Sets the value. If there are active observers, the value will be
dispatched to them. This method must be called from the main thread.

postValue():

Posts a task to a main thread to set the given value. If you called this method multiple times before a main thread executed a posted task, only the last value would be dispatched.

To summarize, the key difference would be:

setValue() method must be called from the main thread. But if you need set a value from a background thread, postValue() should be used.

More Related Contents:

  1. LiveData prevent receive the last value when start observing
  2. LiveData update on object field change
  3. Notify Observer when item is added to List of LiveData
  4. Room – LiveData observer does not trigger when database is updated
  5. Why there’s a separate MutableLiveData subclass of LiveData?
  6. Room : LiveData from Dao will trigger Observer.onChanged on every Update, even if the LiveData value has no change
  7. LiveData remove Observer after first callback
  8. Why LiveData observer is being triggered twice for a newly attached observer
  9. How to combine two live data one after the other?
  10. Observe LiveData from foreground service
  11. Getting the Absolute File Path from Content URI for searched images
  12. How to disable Mobile Data on Android
  13. ERROR Android emulator gets killed
  14. Kill another application on Android?
  15. Android and setting width and height programmatically in dp units
  16. How to determine the screen width in terms of dp or dip at runtime in Android?
  17. How to generate buildConfigField with String type
  18. Is it possible to use front and back Camera at same time in Android [duplicate]
  19. Android Circular Determinate ProgressBar
  20. Add elevation/shadow on toolbar for pre-lollipop devices
  21. Convert existing project to library project in Android Studio
  22. How to know if a specific user has rated a Android App?
  23. How to restrict app to Android phones only
  24. Emulate Samsung Galaxy Tab
  25. How to get uri of captured photo?
  26. Convert existing project into Android project in Eclipse?
  27. Error when adding buildFeatures in build.gradle file
  28. Android Debugging with Logcat and Emulator. Is it possible?
  29. Turn off screen programmatically when face is close the screen on Android
  30. Android horizontal scroll list [duplicate]

Leave a Comment