yongjhih

/**
 * See Also: BackHandler { onBack() }
 */
@Composable
fun BackCompatHandler(
    enabled: Boolean = true,
    onBack: () -> Unit = {}
) {
    val currentOnBack by rememberUpdatedState(onBack)
    val backCallback = remember {

yongjhih

fun <T> byWeakReference(initialValue: T? = null): MutableProperty<T?> = mutablePropertyOf(WeakReference(initialValue)).map(
    set = { if (this.field.get() == it) this.field else WeakReference(it) },
    get = { it.get() },
)

yongjhih

import android.os.Build
import androidx.annotation.RequiresApi
import java.text.BreakIterator
import java.text.CharacterIterator

interface IBreakIterator {
    fun first(): Int
    fun last(): Int
    fun next(): Int
    fun next(value: Int): Int

yongjhih

fun Modifier.border(
    top: Dp = 0.dp,
    bottom: Dp = 0.dp,
    start: Dp = 0.dp,
    end: Dp = 0.dp,
    color: Color,
) = border(
    top = BorderStroke(top, color),
    bottom = BorderStroke(bottom, color),
    start = BorderStroke(start, color),

yongjhih

/**
 * ```
 * val giphyRepository = Retrofit.Builder()
 *     .baseUrl("https://api.giphy.com/")
 *     .addConverterFactory(Json {
 *         ignoreUnknownKeys = true
 *     }.asConverterFactory(contentType))
 *     .build()
 *     .create<GiphyRepository>()
 *

yongjhih

class MyViewModel(private val sharedPreferences: SharedPreferences) : ViewModel {
  var isAdult by sharedPreferences.isAdult

  init {
    println(isAdult) // null
    isAdult = true
    println(isAdult) // true
    isAdult.value = false
    println(isAdult) // false

yongjhih

/**
 * Interface representing a read-only property with a value
 *
 * Usage:
 *
 * ```
 * val doubleValue by propertyOf(1).map { it * 2 }.map { it * 2 }
 *
 * doubleValue // 4
 * ```

yongjhih

inline fun <reified T : View> ViewGroup.childrenByType(): Sequence<T> = descendantsBreadth.filterIsInstance<T>()

val ViewGroup.descendantsBreadth: Sequence<View>
    get() = sequence {
        val queue: Queue<View> = LinkedList()
        this@descendantsBreadth.forEach { child -> queue.offer(child) }

        var child = queue.poll()
        while (child != null) {
            yield(child)

yongjhih

inline fun <reified T> Any.getDeclaredFieldValue(fieldName: String): T =
    javaClass.findDeclaredField(fieldName).run {
        if (!isAccessible) isAccessible = true
        get(this@getDeclaredFieldValue) as T
    }

inline fun <reified T> Any.getDeclaredFieldValueOrNull(fieldName: String): T? =
    try { getDeclaredFieldValue(fieldName) }
    catch (e: NoSuchFieldException) { null }
    catch (e: SecurityException) { null }

yongjhih

    private val childHelper by lazy { NestedScrollingChildHelper(this).apply {
        //isNestedScrollingEnabled = false
    } }

    init {
        isNestedScrollingEnabled = true
    }
    
    override fun setNestedScrollingEnabled(enabled: Boolean) {
        return childHelper.setNestedScrollingEnabled(enabled) // Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object kotlin.Lazy.getValue()' on a null object reference