😃

Emmanuel G EmmanuelGuther

😃

Android developer

EmmanuelGuther / BackgroundItemsMovementCompose.kt

Created November 7, 2021 17:32

Background with items in movement in jetpack compose example

	@Preview
	@Composable
	fun BackgroundItemsMovement() {
	var backgroundItemsMovementState by remember { mutableStateOf(PositionState.Start) }
	Box(modifier = Modifier.fillMaxSize()) {
	Row(modifier = Modifier.fillMaxSize()) {
	repeat(4) {
	BuildImg(
	multiply = Random.nextInt(500, 4500),
	state = backgroundItemsMovementState

EmmanuelGuther / composeAnimateElement.kt

Created November 7, 2021 09:43

	@Preview
	@Composable
	fun BikeScreen() {

	var bikeState by remember { mutableStateOf(BikePosition.Start) }
	// val offsetAnimation: Dp by animateDpAsState(
	// //get display size
	// if (bikeState == BikePosition.Start) (800).dp else (-100).dp,
	// )
	val offsetX by animateDpAsState(targetValue = if (bikeState == BikePosition.Start) 5.dp else 300.dp, animationSpec =

EmmanuelGuther / VariableAcceptsVariable.kt

Created November 4, 2021 10:25

val updateMapMarker: (LatLng) -> Unit = { latLng -> }

EmmanuelGuther / registerForActivityResult.kt

Last active October 28, 2021 06:43

Use of registerForActivityResult Android activity

	//There are 4 simple steps to follow while replacing the depricated method startActivityForResult(...).


	private val activityResult = this.registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
	when(result.resultCode){
	123 ->{}
	6353 ->{}
	}
	}

EmmanuelGuther / Arrow_Either_Manage_examples.kt

Created October 27, 2021 10:42

How to manage either

	getStreetAddressByLatLngUseCase.invoke(latLng.latitude, latLng.longitude).fold(
	ifLeft = {

	}, ifRight = {
	searchAddress(it)
	})

EmmanuelGuther / removeWhitespace.kt

Created April 20, 2021 09:29

How to delete whitespace (newlines, spaces, tabs, etc) without regex?

fun String.removeWhitespace(): String = filterNot { it.isWhitespace() }

EmmanuelGuther / suspendReturnInsideListener.kt

Created February 9, 2021 07:06

	private suspend fun getToken(foo: String): String? = suspendCoroutine { continuation ->
	val fooToken = tokenApiExample.Token(foo).start
	fooToken.onCreateTokenListener { data ->
	when {
	data.has("id") -> {
	val token = data.getString("id")
	continuation.resume(token)
	}
	else -> {
	continuation.resume(null)

EmmanuelGuther / dataClassCleanWithExtensions.kt

Created February 2, 2021 07:14

Data class more clean with extensions

	data class Result(
	val requestCode: Int,
	val data: Intent?,
	)
	val Result.isOk: Boolean
	get() = resultCode == Activity.RESULT_OK

EmmanuelGuther / RecyclerView.onEndScrollListener.kt

Created January 26, 2021 11:21

	fun RecyclerView.onEndScrollListener(listener:()->Unit){
	this.addOnScrollListener(object : RecyclerView.OnScrollListener() {
	override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
	super.onScrollStateChanged(recyclerView, newState)
	if (!recyclerView.canScrollVertically(1) && newState == RecyclerView.SCROLL_STATE_IDLE) {
	listener()
	}
	}
	})
	}

EmmanuelGuther / married

Created October 26, 2020 06:52