목록Jetpack (6)

grape

[android] jetpack room gradle setting

jetpack room gradle setting build error 1. Could not find method kapt add plugin id 'kotlin-kapt' // room추가 2. Could not find method ksp() add plugin id 'com.google.devtools.ksp' version '1.8.0-1.0.8' // room추가 plugins { id 'com.android.application' id 'org.jetbrains.kotlin.android' id 'kotlin-kapt' // room추가 id 'com.google.devtools.ksp' version '1.8.0-1.0.8' // room추가 } android { ... } dependen..
dev/aos 2023. 12. 11. 18:16
[android]data binding 5 - mistake error

miss @JvmStatic miss match attribute 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..
dev/aos 2023. 10. 12. 15:23
[android]data binding 4 - app custom attribute

viewmodel private val _num = MutableLiveData(0) var num: LiveData = _num bindingadapter object CustomBindingAdapter{ @JvmStatic @BindingAdapter("text_int") fun setText(view: TextView, text: Int){ view.text = text.toString() } @JvmStatic @InverseBindingAdapter(attribute = "text_int", event = "android:textAttrChanged") fun getText(view: TextView): Int { return view.text.toString().toIntOrNull() ?:..
dev/aos 2023. 10. 12. 15:22
[android]data binding 3 - Two-way data binding & BindingAdapter example EditText

ViewModel class ViewModel() : ViewModel() { //EditText support String simple private val _text = MutableLiveData(String) val text: LiveData = _text //EditText not support Int need BindingAdapter private val _num = MutableLiveData(String) val num: LiveData = _num layout
dev/aos 2023. 10. 12. 15:22
[android]data binding 2 - BindingAdapter example EditText

databinding send view & BindingAdapter ViewModel class ViewModel() : ViewModel() { //If want update view data then use LiveData //EditText support String simple private val _text = MutableLiveData(String) val data: LiveData = _text //EditText not support Int Type need BindingAdapter private val _num = MutableLiveData(String) val num: LiveData = _num layout BindingAdapter object EditTextDataBindi..
dev/aos 2023. 10. 10. 10:41
[android]data binding 1 - simple example EditText

simple data binding https://developer.android.com/jetpack/androidx/releases/databinding gradle android { ... buildFeatures { dataBinding true } } Activity //connect activity & binding & viewmodel class NameActivity : AppCompatActivity() { private val viewModel: ViewModel by viewModels() //auto generate ActivityNameBinding private lateinit var binding : ActivityNameBinding override fun onCreate(s..
dev/aos 2023. 10. 10. 10:40
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