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pear
[android]data binding 5 - mistake error 본문
miss @JvmStatic
miss match attribute
<EditText
app:text_num='@{viewmodel.num}' />
miss match @BindingAdapter("text_num")
miss match @InverseBindingAdapter(attribute = "text_num", event = "android:textAttrChanged")
two-way-binding build message
The expression 'viewmodelNum.getValue()' cannot be inverted, so it cannot be used in a two-way binding
one-way-binding fatal message
java.lang.RuntimeException: Unable to start activity ComponentInfo{`package name`}: java.lang.IllegalStateException: Required DataBindingComponent is null in class ActivityBindingImpl. A BindingAdapter in `package name` is not static and requires an object to use, retrieved from the DataBindingComponent. If you don't use an inflation method taking a DataBindingComponent, use DataBindingUtil.setDefaultComponent or make all BindingAdapter methods static.
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