![]() In the action bar at the top of the viewport, select a DPR value from the new DPR drop-down menu. Chrome uses the DPR value when drawing on HiDPI (High Dots Per Inch) displays.Ĭlick More options > Add device pixel ratio. In other words, DPR tells Chrome how many screen pixels to use to draw a CSS pixel. DevTools opens the Sources panel at the corresponding line in the Editor.ĭevice pixel ratio (DPR) is the ratio between physical pixels on the hardware screen and logical (CSS) pixels. To find the corresponding declaration, right-click between breakpoints and select Reveal in source code. The orange bar with min-width breakpoints.Ĭlick between breakpoints to change the viewport's width so that the breakpoint gets triggered.The blue bar with max-width breakpoints.To show media query breakpoints above your viewport, click More options > Show media queries.ĭevTools now displays two additional bars above the viewport: In this example, the width is set to 480 and the height is set toĪlternatively, use the width presets bar to set the width with a click to one of the following: Responsive Viewport Modeĭrag the handles to resize the viewport to whatever dimensions you need. The UI that enables you to simulate a mobile viewport.īy default, the Device Toolbar opens in viewport with Dimensions set to Responsive. ![]() Use Remoteĭebugging to view, change, debug, and profile a page's code from your laptop or desktop while itĪctually runs on a mobile device. When in doubt, your best bet is to actually run your page on a mobile device. The architecture of mobile CPUs is very different than the architecture of laptop or desktop CPUs. There are some aspects of mobile devices that DevTools will never be able to simulate. The mobile user experience from your laptop or desktop. With Device Mode you don't actually run your code on a mobile device. Think of Device Mode as a first-order approximation of how your page looks and feels on a Throttling the network Key point: Alternatively, you can throttle connection speed in the Network panel.This useful utility is all you'll ever need if you're looking for an easy way to back up and manage media files and data stored on your iOS device.Įditors' note: This is a review of the trial version of PhoneView for Mac 2.9.5.Use Device Mode to approximate how your page looks and performs on a mobile device.ĭevice Mode is the name for a collection of features in Chrome DevTools that help you PhoneView for Mac is feature-rich, lightweight, and well worth the price. One feature which we think some Mac users may miss is the ability to Quick Look items by pressing the space bar. A really nice touch is the ability to save conversations from Messages.app as text or PDF files for desktop viewing and backup. In addition to letting you explore and back up media files stored on your iOS device, this app also lets you extract data such as contacts, call logs, notes, bookmarks, and Web browsing history. In terms of transfer speeds, the program averages around 10MB/s. You can drag and drop files between the app and the Finder or the Desktop with ease, but you cannot drag multiple items. If checked in Preferences, the "Advanced Disk Mode" will show the entire file system on a jail-broken device, allowing complete access to all system files. Out of the box, the program displays a Media folder where you can store files. Both the trial and full versions of the app can display the contents of iOS devices, but the trial version limits the number of items shown. PhoneView for Mac installs quickly and sports a bland but intuitive interface. You'll like its streamlined design and drag-and-drop functions. Since it features iTunes-like backup functionality, it's capable of completely replacing iTunes as a device manager. PhoneView for Mac gives you instant access to your iOS device, enabling you to back up and explore any type of content stored on it, including media files, call logs, text messages, contacts, and more.
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