pear

OKHttpclient import java.io.IOException; import java.util.concurrent.TimeUnit; import okhttp3.Interceptor; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.Response; import okhttp3.logging.HttpLoggingInterceptor; import retrofit2.Retrofit; import retrofit2.converter.gson.GsonConverterFactory; import retrofit2.converter.scalars.ScalarsConverterFactory; public class RetrofitGPT ..

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..

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() ?:..

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..