MVVMExample | simple MVVM example on how to use ViewModel | Model View Controller library
kandi X-RAY | MVVMExample Summary
kandi X-RAY | MVVMExample Summary
A simple MVVM example on how to use ViewModel and LiveData
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of MVVMExample
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QUESTION
My LiveData<> return null when i try to get value from it?
MainActivity
**
Here is my error: //Attempt to invoke virtual method 'java.util.List com.xllnc.mvvmexample.entity.ApiResponse.getIssues()' on a null object reference
**
...ANSWER
Answered 2019-Aug-17 at 08:30don't make liveData in the method in repository final
QUESTION
I have a ListBox on my MainWindow with the following XAML
...ANSWER
Answered 2017-Oct-25 at 16:31The only notification you raise for Items
is in the setter when you assign a new List to the property. This code does not assign a new List
instance to Items
. It calls the getter for Items
and adds a string to the list. No notification events are raised, because you never execute any code that raises a notification event.
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