appium/sample-code/csharp/test/TestAndroidCreateSession.cs

using NUnit.Framework;
using OpenQA.Selenium;
using OpenQA.Selenium.Appium;
using OpenQA.Selenium.Appium.Enums;
using OpenQA.Selenium.Appium.Android;
using OpenQA.Selenium.Remote;
using System;
using AppiumDotNetSamples.Helper;

namespace AppiumDotNetSamples
{
    [TestFixture()]
    public class AndroidCreateSessionTest
    {

        private AndroidDriver<AndroidElement> driver;

        [OneTimeSetUp()]
        public void BeforeAll()
        {
            DesiredCapabilities capabilities = new DesiredCapabilities();
            capabilities.SetCapability(MobileCapabilityType.BrowserName, "");
            capabilities.SetCapability(MobileCapabilityType.PlatformName, App.AndroidDeviceName());
            capabilities.SetCapability(MobileCapabilityType.PlatformVersion, App.AndroidPlatformVersion());
            capabilities.SetCapability(MobileCapabilityType.AutomationName, "UIAutomator2");
            capabilities.SetCapability(MobileCapabilityType.DeviceName, "Nexus");
            capabilities.SetCapability(MobileCapabilityType.App, App.AndroidApp());

            driver = new AndroidDriver<AndroidElement>(Env.ServerUri(), capabilities, Env.INIT_TIMEOUT_SEC);
            driver.Manage().Timeouts().ImplicitWait = Env.IMPLICIT_TIMEOUT_SEC;
        }

        [Test()]
        public void TestShouldCreateAndDestroyAndroidSessions()
        {
            String currentActivity = driver.CurrentActivity;

            Assert.AreEqual(".ApiDemos", currentActivity);

            driver.Quit();

            Assert.Throws<WebDriverException>(
                () => { currentActivity = driver.CurrentActivity; });
        }
    }
}