mbelsky

import React, {useRef, useEffect} from 'react'
import {createPortal} from 'react-dom'

type PortalProps = {
  children: React.ReactNode
}

function Portal({children}: PortalProps): JSX.Element {
  const modalContainer = document.body
  const modalElementRef = useRef<HTMLDivElement>()

mbelsky

import { useRef, useState, useEffect } from 'react';

// Usage
function App() {
  const [hoverRef, isHovered] = useHover();

  return (
    <div ref={hoverRef}>
      {isHovered ? '😁' : '☹️'}
    </div>

mbelsky

import {useState, useCallback, useRef} from 'react'

// Hook
const useHover = <T extends HTMLElement>(): [
  (node?: T | null) => void,
  boolean,
] => {
  const [value, setValue] = useState(false)

  // Wrap in useCallback so we can use in dependencies below

mbelsky

UIImage *image = [[UIImage alloc] initWith: something];
if (image.size.width != kAppIconSize || image.size.height != kAppIconSize) {
  CGSize itemSize = CGSizeMake(kAppIconSize, kAppIconSize);
  UIGraphicsBeginImageContextWithOptions(itemSize, NO, 0.0f);
  CGRect imageRect = CGRectMake(0.0, 0.0, itemSize.width, itemSize.height);
  [image drawInRect:imageRect];
  self.appRecord.appIcon = UIGraphicsGetImageFromCurrentImageContext();
  UIGraphicsEndImageContext();
}

mbelsky

sourceSets {
    main {
        res.srcDirs = [
                'src/main/res-main',
                'src/main/res-screen/about',
                'src/main/res-screen/chat',
                'src/main/res-screen/event-detail',
                'src/main/res-screen/event-list',
                'src/main/res-screen/home',
                'src/main/res-screen/login',

mbelsky

adb shell dumpsys activity | grep -I 'PACKAGE_NAME'
adb shell am start -n PACKAGE_NAME/.PATH_TO_ACTIVITY.ACTIVITY_NAME

# Grant or revoke one or more permissions:
adb shell pm [grant|revoke] <PACKAGE> <PERMISSION>

mbelsky

####
# OS X temporary files that should never be committed
#
# c.f. http://www.westwind.com/reference/os-x/invisibles.html

.DS_Store

# c.f. http://www.westwind.com/reference/os-x/invisibles.html

.Trashes

mbelsky

#!/bin/bash

# Author: Tobias Preuss
# Version: 2015-03-26

echo "Creating symbolic links in Android SDK folder"
echo "============================================="
echo

if [ -z "$ANDROID_HOME" ] ; then

mbelsky

/**
 * Create your key store: keytool -genkey -v -keystore release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000
 * and after update your build.gradle file.
 */
 android {
    signingConfigs {
        release {
            storeFile file("release.keystore")
            storePassword "******"
            keyAlias "******"

mbelsky

/**
 * Define 'APP_MODULE_NAME' and 'APK_NAME' vars in gradle.properties file.
 */
android {
    applicationVariants.all { variant ->
        variant.outputs.each { output ->
            def outputFile = output.outputFile
            if (outputFile != null && outputFile.name.endsWith('.apk')) {
                def fileName = outputFile.name.replace('.apk', "-${versionName}.apk")
                fileName = fileName.replace(APP_MODULE_NAME, APK_NAME)