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👑
Solving Problems

Jemshit Iskanderov jemshit

👑
Solving Problems
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@cpursley
cpursley / postgresql_is_enough.md
Last active April 20, 2024 02:45
Postgres is Enough
@gmk57
gmk57 / Sending events to UI.kt
Last active February 13, 2024 15:17
Sending events to UI with Channel/Flow + custom collector (see my first comment for reasons behind it)
/**
* Starts collecting a flow when the lifecycle is started, and **cancels** the collection on stop.
* This is different from `lifecycleScope.launchWhenStarted { flow.collect{...} }`, in which case
* the coroutine is just suspended on stop.
*/
inline fun <reified T> Flow<T>.collectWhileStarted(
lifecycleOwner: LifecycleOwner,
noinline action: suspend (T) -> Unit
) {
object : DefaultLifecycleObserver {
@jemshit
jemshit / MediaPlayerStateMachine.kt
Last active March 16, 2022 15:48
Android MediaPlayer has internal state of its own, but there is no get method for it. State diagram is here: https://developer.android.com/images/mediaplayer_state_diagram.gif. Invocation of method that is not allowed at current state results in exception. To avoid such exception and track states of MediaPlayer, MediaPlayerStateMachine is writte…
import android.util.Log
fun emptyMPStateMachineLogger(tag: String, message: String) {
// NoOp
}
fun defaultMPStateMachineLogger(tag: String, message: String) {
Log.d(tag, message)
}
@alexjlockwood
alexjlockwood / WaveSquare.kt
Created March 11, 2019 02:30
Kotlin implementation of a wave square animation, inspired by https://twitter.com/beesandbombs/status/1101169015299420163
import android.content.Context
import android.graphics.Canvas
import android.graphics.Paint
import android.graphics.Path
import android.util.AttributeSet
import android.view.View
import kotlin.math.atan2
import kotlin.math.cos
import kotlin.math.sin
import kotlin.math.sqrt
@alexjlockwood
alexjlockwood / RingOfCirclesView.kt
Last active January 10, 2024 14:07
Kotlin implementation of a Ring of Circles animation, inspired by https://twitter.com/InfinityLoopGIF/status/1101584983259533312
import android.content.Context
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
import android.util.AttributeSet
import android.view.View
private const val N = 16
private const val PERIOD1 = -10000.0
private const val PERIOD2 = -500.0
@ankushg
ankushg / Tls12SocketFactory.kt
Created August 3, 2018 19:19
/**
* Implementation of [SSLSocketFactory] that adds [TlsVersion.TLS_1_2] as an enabled protocol for every [SSLSocket]
* created by [delegate].
*
* [See this discussion for more details.](https://github.com/square/okhttp/issues/2372#issuecomment-244807676)
*
* @see SSLSocket
* @see SSLSocketFactory
*/
class Tls12SocketFactory(private val delegate: SSLSocketFactory) : SSLSocketFactory() {
@mutin-sa
mutin-sa / Top_Public_Time_Servers.md
Last active April 18, 2024 03:53
List of Top Public Time Servers

Google Public NTP [AS15169]:

time.google.com

time1.google.com

time2.google.com

time3.google.com

@JoseAlcerreca
JoseAlcerreca / EventObserver.kt
Created April 26, 2018 12:14
An Observer for Events, simplifying the pattern of checking if the Event's content has already been handled.
/**
* An [Observer] for [Event]s, simplifying the pattern of checking if the [Event]'s content has
* already been handled.
*
* [onEventUnhandledContent] is *only* called if the [Event]'s contents has not been handled.
*/
class EventObserver<T>(private val onEventUnhandledContent: (T) -> Unit) : Observer<Event<T>> {
override fun onChanged(event: Event<T>?) {
event?.getContentIfNotHandled()?.let { value ->
onEventUnhandledContent(value)
@jemshit
jemshit / AndroidResourceProvider.kt
Last active May 10, 2022 16:34
Android Resource Provider for Presenter in MVP
import android.content.Context
import android.support.annotation.*
import android.support.v4.content.ContextCompat
import interface_adapters.ResourceProvider
import javax.inject.Inject
import javax.inject.Named
import javax.inject.Singleton
@Singleton
class AndroidResourceProvider
@arekolek
arekolek / LiveDataReactiveStreamsActivity.kt
Last active August 27, 2020 04:09
Using LiveDataReactiveStreams to handle lifecycle and threading while computing list diff for recycler view
package com.github.arekolek.diffutil
import android.arch.lifecycle.*
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.support.v7.util.DiffUtil
import android.support.v7.widget.RecyclerView
import android.util.Log
import android.view.LayoutInflater
import android.view.View