Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Touchscreen method of PuppeteerSharp.Input.Touchscreen class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Input.Touchscreen.Touchscreen

Page.cs

Source:Page.cs

...51            Client = client;52            Target = target;53            Keyboard = new Keyboard(client);54            Mouse = new Mouse(client, Keyboard);55            Touchscreen = new Touchscreen(client, Keyboard);56            Tracing = new Tracing(client);57            Coverage = new Coverage(client);58            _frameManager = new FrameManager(client, frameTree, this);59            _networkManager = new NetworkManager(client, _frameManager);60            _emulationManager = new EmulationManager(client);61            _pageBindings = new Dictionary<string, Delegate>();62            _logger = Client.Connection.LoggerFactory.CreateLogger<Page>();63            _ignoreHTTPSErrors = ignoreHTTPSErrors;64            _screenshotTaskQueue = screenshotTaskQueue;65            _frameManager.FrameAttached += (sender, e) => FrameAttached?.Invoke(this, e);66            _frameManager.FrameDetached += (sender, e) => FrameDetached?.Invoke(this, e);67            _frameManager.FrameNavigated += (sender, e) => FrameNavigated?.Invoke(this, e);68            _networkManager.Request += (sender, e) => Request?.Invoke(this, e);69            _networkManager.RequestFailed += (sender, e) => RequestFailed?.Invoke(this, e);70            _networkManager.Response += (sender, e) => Response?.Invoke(this, e);71            _networkManager.RequestFinished += (sender, e) => RequestFinished?.Invoke(this, e);72            Client.MessageReceived += client_MessageReceived;73        }74        internal CDPSession Client { get; }75        #region Public Properties76        /// <summary>77        /// Raised when the JavaScript <c>load</c> <see href="https://developer.mozilla.org/en-US/docs/Web/Events/load"/> event is dispatched.78        /// </summary>79        public event EventHandler<EventArgs> Load;80        /// <summary>81        /// Raised when the page crashes82        /// </summary>83        public event EventHandler<ErrorEventArgs> Error;84        /// <summary>85        /// Raised when the JavaScript code makes a call to <c>console.timeStamp</c>. For the list of metrics see <see cref="Page.MetricsAsync"/>.86        /// </summary>87        public event EventHandler<MetricEventArgs> Metrics;88        /// <summary>89        /// Raised when a JavaScript dialog appears, such as <c>alert</c>, <c>prompt</c>, <c>confirm</c> or <c>beforeunload</c>. Puppeteer can respond to the dialog via <see cref="Dialog"/>'s <see cref="Dialog.Accept(string)"/> or <see cref="Dialog.Dismiss"/> methods.90        /// </summary>91        public event EventHandler<DialogEventArgs> Dialog;92        /// <summary>93        /// Raised when JavaScript within the page calls one of console API methods, e.g. <c>console.log</c> or <c>console.dir</c>. Also emitted if the page throws an error or a warning.94        /// The arguments passed into <c>console.log</c> appear as arguments on the event handler.95        /// </summary>96        /// <example>97        /// An example of handling <see cref="Console"/> event:98        /// <code>99        /// <![CDATA[100        /// page.Console += (sender, e) => 101        /// {102        ///     for (var i = 0; i < e.Message.Args.Count; ++i)103        ///     {104        ///         System.Console.WriteLine($"{i}: {e.Message.Args[i]}");105        ///     }106        /// }107        /// ]]>108        /// </code>109        /// </example>110        public event EventHandler<ConsoleEventArgs> Console;111        /// <summary>112        /// Raised when a frame is attached.113        /// </summary>114        public event EventHandler<FrameEventArgs> FrameAttached;115        /// <summary>116        /// Raised when a frame is detached.117        /// </summary>118        public event EventHandler<FrameEventArgs> FrameDetached;119        /// <summary>120        /// Raised when a frame is navigated to a new url.121        /// </summary>122        public event EventHandler<FrameEventArgs> FrameNavigated;123        /// <summary>124        /// Raised when a <see cref="Response"/> is received.125        /// </summary>126        public event EventHandler<ResponseCreatedEventArgs> Response;127        /// <summary>128        /// Raised when a page issues a request. The <see cref="Request"/> object is read-only.129        /// In order to intercept and mutate requests, see <see cref="SetRequestInterceptionAsync(bool)"/>130        /// </summary>131        public event EventHandler<RequestEventArgs> Request;132        /// <summary>133        /// Raised when a request finishes successfully.134        /// </summary>135        public event EventHandler<RequestEventArgs> RequestFinished;136        /// <summary>137        /// Raised when a request fails, for example by timing out.138        /// </summary>139        public event EventHandler<RequestEventArgs> RequestFailed;140        /// <summary>141        /// Raised when an uncaught exception happens within the page.142        /// </summary>143        public event EventHandler<PageErrorEventArgs> PageError;144        /// <summary>145        /// This setting will change the default maximum navigation time of 30 seconds for the following methods:146        /// - <see cref="GoToAsync(string, NavigationOptions)"/>147        /// - <see cref="GoBackAsync(NavigationOptions)"/>148        /// - <see cref="GoForwardAsync(NavigationOptions)"/>149        /// - <see cref="ReloadAsync(NavigationOptions)"/>150        /// - <see cref="WaitForNavigationAsync(NavigationOptions)"/>151        /// </summary>152        public int DefaultNavigationTimeout { get; set; } = 30000;153        /// <summary>154        /// Gets page's main frame155        /// </summary>156        /// <remarks>157        /// Page is guaranteed to have a main frame which persists during navigations.158        /// </remarks>159        public Frame MainFrame => _frameManager.MainFrame;160        /// <summary>161        /// Gets all frames attached to the page.162        /// </summary>163        /// <value>An array of all frames attached to the page.</value>164        public Frame[] Frames => _frameManager.Frames.Values.ToArray();165        /// <summary>166        /// Shortcut for <c>page.MainFrame.Url</c>167        /// </summary>168        public string Url => MainFrame.Url;169        /// <summary>170        /// Gets that target this page was created from.171        /// </summary>172        public Target Target { get; }173        /// <summary>174        /// Gets this page's keyboard175        /// </summary>176        public Keyboard Keyboard { get; }177        /// <summary>178        /// Gets this page's touchscreen179        /// </summary>180        public Touchscreen Touchscreen { get; }181        /// <summary>182        /// Gets this page's coverage183        /// </summary>184        public Coverage Coverage { get; }185        /// <summary>186        /// Gets this page's tracing187        /// </summary>188        public Tracing Tracing { get; }189        /// <summary>190        /// Gets this page's mouse191        /// </summary>192        public Mouse Mouse { get; }193        /// <summary>194        /// Gets this page's viewport195        /// </summary>196        public ViewPortOptions Viewport { get; private set; }197        /// <summary>198        /// List of suported metrics provided by the <see cref="Metrics"/> event.199        /// </summary>200        public static readonly IEnumerable<string> SupportedMetrics = new List<string>201        {202            "Timestamp",203            "Documents",204            "Frames",205            "JSEventListeners",206            "Nodes",207            "LayoutCount",208            "RecalcStyleCount",209            "LayoutDuration",210            "RecalcStyleDuration",211            "ScriptDuration",212            "TaskDuration",213            "JSHeapUsedSize",214            "JSHeapTotalSize"215        };216        #endregion217        #region Public Methods218        /// <summary>219        /// Returns metrics220        /// </summary>221        /// <returns>Task which resolves into a list of metrics</returns>222        /// <remarks>223        /// All timestamps are in monotonic time: monotonically increasing time in seconds since an arbitrary point in the past.224        /// </remarks>225        public async Task<Dictionary<string, decimal>> MetricsAsync()226        {227            var response = await Client.SendAsync<PerformanceGetMetricsResponse>("Performance.getMetrics");228            return BuildMetricsObject(response.Metrics);229        }230        /// <summary>231        /// Fetches an element with <paramref name="selector"/>, scrolls it into view if needed, and then uses <see cref="Touchscreen"/> to tap in the center of the element.232        /// </summary>233        /// <param name="selector">A selector to search for element to tap. If there are multiple elements satisfying the selector, the first will be clicked.</param>234        /// <exception cref="SelectorException">If there's no element matching <paramref name="selector"/></exception>235        /// <returns>Task which resolves when the element matching <paramref name="selector"/> is successfully tapped</returns>236        public async Task TapAsync(string selector)237        {238            var handle = await QuerySelectorAsync(selector);239            if (handle == null)240            {241                throw new SelectorException($"No node found for selector: {selector}", selector);242            }243            await handle.TapAsync();244            await handle.DisposeAsync();245        }...

ElementHandle.cs

Source:ElementHandle.cs

...177            var objectId = RemoteObject[MessageKeys.ObjectId].AsString();178            return Client.SendAsync("DOM.setFileInputFiles", new { objectId, files });179        }180        /// <summary>181        /// Scrolls element into view if needed, and then uses <see cref="Touchscreen.TapAsync(decimal, decimal)"/> to tap in the center of the element.182        /// </summary>183        /// <exception cref="PuppeteerException">if the element is detached from DOM</exception>184        /// <returns>Task which resolves when the element is successfully tapped</returns>185        public async Task TapAsync()186        {187            await ScrollIntoViewIfNeededAsync().ConfigureAwait(false);188            var (x, y) = await ClickablePointAsync().ConfigureAwait(false);189            await Page.Touchscreen.TapAsync(x, y).ConfigureAwait(false);190        }191        /// <summary>192        /// Calls <c>focus</c> <see href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus"/> on the element.193        /// </summary>194        /// <returns>Task</returns>195        public Task FocusAsync() => ExecutionContext.EvaluateFunctionAsync("element => element.focus()", this);196        /// <summary>197        /// Focuses the element, and sends a <c>keydown</c>, <c>keypress</c>/<c>input</c>, and <c>keyup</c> event for each character in the text.198        /// </summary>199        /// <param name="text">A text to type into a focused element</param>200        /// <param name="options">type options</param>201        /// <remarks>202        /// To press a special key, like <c>Control</c> or <c>ArrowDown</c> use <see cref="ElementHandle.PressAsync(string, PressOptions)"/>203        /// </remarks>...

Index.cshtml.cs

Source:Index.cshtml.cs

...77                    var left = rect.X + 10;78                    var top = rect.Y + 10;79                    var mouse = page.Mouse;80                    await mouse.MoveAsync(left, top);81                    await page.Touchscreen.TapAsync(left, top);82                    await mouse.DownAsync();83                    var startTime = DateTime.Now;84                    await mouse.MoveAsync(left + 800, top, new PuppeteerSharp.Input.MoveOptions { Steps = 30 });85                    await page.Touchscreen.TapAsync(left + 800, top);86                    Console.WriteLine(DateTime.Now - startTime);87                    await mouse.UpAsync();88                    var success = await page.WaitForSelectorAsync(".yes", new WaitForSelectorOptions { Timeout = 3000 });89                    string content = await page.GetContentAsync();90                    91                    var parser = new HtmlParser();92                    var document = await parser.ParseDocumentAsync(content);93                    aliToken = (document.GetElementById("aliToken") as IHtmlInputElement).GetAttribute("sms");94                    aliSessionId = (document.GetElementById("aliSessionId") as IHtmlInputElement).GetAttribute("sms");95                    aliSig = (document.GetElementById("aliSig") as IHtmlInputElement).GetAttribute("sms");96                }97                var response = await "https://upay.10010.com/npfwap/NpfMob/needdubbo/needDubboCheck?phoneNo=13113075869&amountMoney=200&channelKey=wxgz"98                                    .WithHeaders(new { Referer = "https://upay.10010.com/jf_wxgz" })99                                    .WithCookies(cookies)...

pay.cshtml.cs

Source:pay.cshtml.cs

...53                var left = rect.X + 10;54                var top = rect.Y + 10;55                var mouse = page.Mouse;56                await mouse.MoveAsync(left, top);57                await page.Touchscreen.TapAsync(left, top);58                await mouse.DownAsync();59                var startTime = DateTime.Now;60                await mouse.MoveAsync(left + 800, top, new PuppeteerSharp.Input.MoveOptions { Steps = 30 });61                await page.Touchscreen.TapAsync(left + 800, top);62                Console.WriteLine(DateTime.Now - startTime);63                await mouse.UpAsync();64            }65            var channel = await page.WaitForSelectorAsync("[channelcode='alipaywap']");66            await channel.ClickAsync();67            var submit = await page.WaitForSelectorAsync("body > div.mask.confirmPay > section > div.btnPd > button");68            await submit.ClickAsync();69        }70    }71}...

Touchscreen.cs

Source:Touchscreen.cs

...5{6    /// <summary>7    /// Provides methods to interact with the touch screen8    /// </summary>9    public class Touchscreen10    {11        private readonly CDPSession _client;12        private readonly Keyboard _keyboard;13        /// <summary>14        /// Initializes a new instance of the <see cref="Touchscreen"/> class.15        /// </summary>16        /// <param name="client">The client</param>17        /// <param name="keyboard">The keyboard</param>18        public Touchscreen(CDPSession client, Keyboard keyboard)19        {20            _client = client;21            _keyboard = keyboard;22        }23        /// <summary>24        /// Dispatches a <c>touchstart</c> and <c>touchend</c> event.25        /// </summary>26        /// <param name="x"></param>27        /// <param name="y"></param>28        /// <returns>Task</returns>29        /// <seealso cref="Page.TapAsync(string)"/>30        public async Task TapAsync(decimal x, decimal y)31        {32            // Touches appear to be lost during the first frame after navigation....

TouchScreenTests.cs

Source:TouchScreenTests.cs

...12        private readonly DeviceDescriptor _iPhone = Puppeteer.Devices[DeviceDescriptorName.IPhone6];13        public TouchScreenTests(ITestOutputHelper output) : base(output)14        {15        }16        [PuppeteerTest("touchscreen.spec.ts", "Touchscreen", "should tap the button")]17        [SkipBrowserFact(skipFirefox: true)]18        public async Task ShouldTapTheButton()19        {20            await Page.EmulateAsync(_iPhone);21            await Page.GoToAsync(TestConstants.ServerUrl + "/input/button.html");22            await Page.TapAsync("button");23            Assert.Equal("Clicked", await Page.EvaluateExpressionAsync<string>("result"));24        }25        [PuppeteerTest("touchscreen.spec.ts", "Touchscreen", "should report touches")]26        [SkipBrowserFact(skipFirefox: true)]27        public async Task ShouldReportTouches()28        {29            await Page.EmulateAsync(_iPhone);30            await Page.GoToAsync(TestConstants.ServerUrl + "/input/touches.html");31            var button = await Page.QuerySelectorAsync("button");32            await button.TapAsync();33            Assert.Equal(new string[] {34                "Touchstart: 0",35                "Touchend: 0"36            }, await Page.EvaluateExpressionAsync<string[]>("getResult()"));37        }38    }39}...

Touchscreen

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.WaitForSelectorAsync("input[name='q']");14            var input = await page.QuerySelectorAsync("input[name='q']");15            await input.ClickAsync();16            await page.Touchscreen.TapAsync(200, 200);17            await page.Touchscreen.TapAsync(300, 300);18            await page.Touchscreen.TapAsync(400, 400);19            await page.Touchscreen.TapAsync(500, 500);20            await page.Touchscreen.TapAsync(600, 600);21            await page.Touchscreen.TapAsync(700, 700);22            await page.Touchscreen.TapAsync(800, 800);23            await page.Touchscreen.TapAsync(900, 900);24            await page.Touchscreen.TapAsync(1000, 1000);25            await page.Touchscreen.TapAsync(1100, 1100);26            await page.Touchscreen.TapAsync(1200, 1200);27            await page.Touchscreen.TapAsync(1300, 1300);28            await page.Touchscreen.TapAsync(1400, 1400);29            await page.Touchscreen.TapAsync(1500, 1500);30            await page.Touchscreen.TapAsync(1600, 1600);31            await page.Touchscreen.TapAsync(1700, 1700);32            await page.Touchscreen.TapAsync(1800, 1800);33            await page.Touchscreen.TapAsync(1900, 1900);34            await page.Touchscreen.TapAsync(2000, 2000);35            await page.WaitForTimeoutAsync(3000);36            await browser.CloseAsync();37        }38    }39}40using System;41using System.Threading.Tasks;42using PuppeteerSharp;43{44    {45        static async Task Main(string[] args)

Touchscreen

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    static async Task Main(string[] args)6    {7        await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);8        using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))9        using (var page = await browser.NewPageAsync())10        {11            await page.SetViewportAsync(new ViewPortOptions { Width = 1920, Height = 1080 });12            await page.Touchscreen.TapAsync(100, 100);13            await page.ScreenshotAsync("1.png");14        }15    }16}17using PuppeteerSharp;18using System;19using System.Threading.Tasks;20{21    static async Task Main(string[] args)22    {23        await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);24        using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))25        using (var page = await browser.NewPageAsync())26        {27            await page.SetViewportAsync(new ViewPortOptions { Width = 1920, Height = 1080 });28            await PuppeteerSharp.Input.Touchscreen.TapAsync(page, 100, 100);29            await page.ScreenshotAsync("2.png");30        }31    }32}33   at PuppeteerSharp.Input.Touchscreen.TapAsync(Page page, Double x, Double y, Int32 timeout) in C:\projects\puppeteer-sharp\lib\PuppeteerSharp\Input\Touchscreen.cs:line 6434   at PuppeteerSharp.Input.Touchscreen.TapAsync(Page page, Double x, Double y) in C:\projects\puppeteer-sharp\lib\PuppeteerSharp\Input\Touchscreen.cs:line 5435   at PuppeteerSharp.Input.Touchscreen.TapAsync(Page page, Double x, Double y) in C:\projects\puppeteer-sharp\lib\PuppeteerSharp\Input\Touchscreen.cs:line 5636   at PuppeteerSharp.Input.Touchscreen.TapAsync(Page page

Touchscreen

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3{4    {5        static async Task Main(string[] args)6        {7            var options = new LaunchOptions { Headless = false };8            using (var browser = await Puppeteer.LaunchAsync(options))9            using (var page = await browser.NewPageAsync())10            {11                await page.WaitForSelectorAsync("input[name=q]");12                await page.FocusAsync("input[name=q]");13                await page.Keyboard.TypeAsync("puppeteer-sharp");14                await page.Touchscreen.TapAsync(500, 500);15            }16        }17    }18}

Touchscreen

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Input;5using System.Collections.Generic;6{7    {8        static async Task Main(string[] args)9        {10            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);11            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });12            var page = await browser.NewPageAsync();13            var viewport = page.Viewport;14            var size = await page.EvaluateExpressionAsync<Dictionary<string, int>>("document.body.getBoundingClientRect()");15            await page.SetViewportAsync(new ViewPortOptions16            {17            });18            var touchScreen = new Touchscreen(page);19            {20            };21            await touchScreen.TapAsync(touchPoint.X, touchPoint.Y);22            await Task.Delay(5000);23            await browser.CloseAsync();24        }25    }26}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.