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| @Composable | |
| fun SecondRootComposable() { | |
| Box(Modifier.fillMaxSize()) { // Recomposition Scope Start | |
| val scroll = rememberScrollState(0) | |
| Title(snack = snack, scrollProvider = {scroll.value }) | |
| } | |
| } |
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| @Composable | |
| fun SecondRootComposable() { | |
| Box(Modifier.fillMaxSize()) { // Recomposition Scope Start | |
| val scroll = rememberScrollState(0) | |
| Title(snack = snack,scroll=scroll.value) | |
| } | |
| } |
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| var name by remember { mutableStateOf("") } |
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| @Composable | |
| fun TextFieldDemo() { | |
| Column(Modifier.padding(16.dp)) { | |
| val textState = remember {mutableStateOf(mutableStateOf(""))} | |
| TextField( | |
| value = textState.value, | |
| onValueChange = { textState.value = it } | |
| ) | |
| Text("The textfield has this text:textState.value.text) | |
| } |
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| @Composable | |
| fun RootComposable() { | |
| var name by rememberSaveable { mutableStateOf("") } | |
| HelloContent(name = name, onNameChange = { name = it }) | |
| } | |
| @Composable | |
| fun HelloContent(name: String, onNameChange: (String) -> Unit) { | |
| Column(modifier = Modifier.padding(16.dp)) { | |
| Text( |
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| import android.util.Log | |
| import com.currency.domain.CurrencyConverter | |
| import io.ktor.client.* | |
| import io.ktor.client.engine.android.* | |
| import io.ktor.client.plugins.* | |
| import io.ktor.client.plugins.contentnegotiation.* | |
| import io.ktor.client.plugins.logging.* | |
| import io.ktor.client.plugins.observer.* | |
| import io.ktor.serialization.kotlinx.json.* | |
| import kotlinx.serialization.json.Json |
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| //interface | |
| interface CoroutineDispatcherProvider { | |
| val main: CoroutineDispatcher | |
| val io: CoroutineDispatcher | |
| val default: CoroutineDispatcher | |
| val unconfirmed: CoroutineDispatcher | |
| } | |
| //initialization using "by lazy" | |
| open class RealCoroutineDispatcherProvider : CoroutineDispatcherProvider { |
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| fun main() { | |
| //var can be reassigned | |
| var varInt: Int = 1 | |
| var varString: String = "Hello" | |
| var varDouble: Double = 24.0 | |
| var varLong: Long = 30L | |
| //val can't be reassigned | |
| val valInt: Int = 1 |
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| fun main() { | |
| printMessage("Hello") | |
| printMessageWithPrefix("Hello", "World") | |
| sum(4, 5) | |
| multiply(4, 5) | |
| } | |
| fun printMessage(message: String) { | |
| println(message) |
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| fun main() { | |
| val sumResult = calculate(4, 5, ::sum) //sumResult 9, | |
| val mulResult = calculate(4, 5) { a, b -> a * b } // mulResult 20 | |
| println("sumResult $sumResult, mulResult $mulResult") | |
| } | |
| fun calculate(x: Int, y: Int, operation: (Int, Int) -> Int): Int { | |
| return operation(x, y) |