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I/O

When using Input or Output with java programming. We have serveral ways of implementing them. At the smallest and lowest level possible is FileInputStream and FileOutputStream. As the names describe one is for input the other is for output.

• Input - read files/read log
• Output - write files/print to log

FileInputStream and FileOutputStream.

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Codes for Android

Android smallest UI unit is View. However, in Appium, the unit is called element instead. We find element instead of View. Before we take any action on the screen, we have to locate the element first.There are various way to findElement from your codes. But some of them don't work well, so I gather here what work as expected for me. Most of them rely on Ui Automation framework. After that, we take action by using built-in methods of element. For example, element.click() to click an element or element.getText() to get word from that element.

You should declare a field variable driver. As follows:

protected static AndroidDriver driver;

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This required Node

• brew install node

Install Browser Sync

• npm install -g browser-sync

Start Server

• browser-sync start --server --files "**/*"

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Installation

• Brew

• Install a Package Manager for Binary

• /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

• Node

• Install NodeJS binary. So that we can easily install node's library.

• brew install node

• Angular-cli

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Variable Reference from inside HTML Tag. Double bracklets.

{{var}}

Two-way binding. "Banana in a box". All variables that refer to the hero.name will be updated , too.

[()]

[(ngModel)]="hero.name"

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Find gradle dependencies

• Gradle, please

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Create emulator from command-line

avdmanager create avd 
--package "system-images;android-25;google_apis;x86" 
--name "Test" 
--tag "google_apis" 
--device 17

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To update all installed sdk and agree at all license agreement

sdkmanager --update && yes | sdkmanager --licenses

Comments

• sdkmanager --update launch sdkmanager and update all installed sdks.
• yes | sdkmanager --licenses enter 'y' to each acceptance prompt.
• yes is a binary preinstalled with Linux based PC. It will type 'y' to each prompt.

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Run A Script

To run a simple script, for example, google_search.js

const {Builder, By, until} = require('selenium-webdriver');
new Builder()
    .forBrowser('firefox')
 .build()