JakeSteam

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="uk.co.jakelee.updatelistener">

    <application
            android:allowBackup="true"
            android:icon="@mipmap/ic_launcher"
            android:label="@string/app_name"
            android:roundIcon="@mipmap/ic_launcher_round"
            android:supportsRtl="true"
            android:theme="@style/AppTheme">

sanogueralorenzo

object PostsNavigation : DynamicFeature {

    override fun start(c: Context): Intent? =
        loadClassOrNull<Activity>("com.sanogueralorenzo.posts.presentation.postlist.PostListActivity")
            ?.let { Intent(c, it) }
}

sanogueralorenzo

private val classMap = mutableMapOf<String, Class<*>>()

private inline fun <reified T : Any> Any.castOrNull() = this as? T

internal fun <T> loadClassOrNull(className: String): Class<out T>? {
    return classMap.getOrPut(className) {
        try {
            Class.forName(className)
        } catch (e: ClassNotFoundException) {
            return null

florina-muntenescu

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

JoseAlcerreca

/**
 * 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)

JoseAlcerreca

/**
 * Used as a wrapper for data that is exposed via a LiveData that represents an event.
 */
open class Event<out T>(private val content: T) {

    var hasBeenHandled = false
        private set // Allow external read but not write

    /**
     * Returns the content and prevents its use again.

nekdenis

package com.sample

import org.mockito.Mockito

//wrappers:

inline fun <reified T : Any> mock(): T = Mockito.mock(T::class.java)

inline fun <reified T : Any> mock(mocking: T.() -> Unit): T = Mockito.mock(T::class.java).apply { mocking() }

pablisco

import android.content.Context
import android.content.res.Resources
import android.graphics.drawable.Drawable
import android.support.annotation.AnyRes
import android.support.v4.app.Fragment
import android.support.v4.content.res.ResourcesCompat.*
import android.view.View

val Context.animations
    get() = ResourceMapper { resources.getAnimation(it) }

vestrel00

// This is a super simplified example of how to use the new dagger.android framework
// introduced in Dagger 2.10. For a more complete, in-depth guide to dagger.android
// read https://proandroiddev.com/how-to-android-dagger-2-10-2-11-butterknife-mvp-part-1-eb0f6b970fd

// For a complete codebase using dagger.android 2.11-2.17, butterknife 8.7-8.8, and MVP,
// see https://github.com/vestrel00/android-dagger-butterknife-mvp

// This example works with Dagger 2.11-2.17. Starting with Dagger 2.11, 
// @ContributesAndroidInjector was introduced removing the need to define @Subcomponent classes.

Atternatt

fun List<Number>.getNearestNeighbors(posibleNeighbors: List<List<Number>>, numberOfNeighbors: Int): List<List<Double>> {
    return posibleNeighbors.mapIndexed { index, posibleNeighbor -> index to this.pearsonCorrelationWith(posibleNeighbor) }
            .sortedBy { it.second }
            .take(numberOfNeighbors)
            .map { posibleNeighbors[it.first].map { it.toDouble() } }

}