You want to use the latest browser implementations on devices pre-Lollipop (auto updating WebView) instead of older WebViews.Quickly return to app with a single tap.Synchronized AutoComplete across devices for better form completion.If the user has turned on Data Saver, they will still benefit from it.Shared cookie jar and permissions model so users don't have to sign-in to sites they are already connected to, or re-grant permissions they have already granted.Lifecycle management: the browser prevents the application from being evicted by the system while on top of it, by raising its importance to the "foreground" level.Providing a likely URL in advance to the browser, which may perform speculative work, speeding up page load time. Pre-warming of the Browser in the background, while avoiding stealing resources from the application.Security: the browser uses Google's Safe Browsing to protect the user and the device from dangerous sites.Navigation awareness: the browser delivers a callback to the application upon an external navigation.No need to build code to manage requests, permission grants or cookie stores. Support for the same web platform features and capabilities as the browsers.If your app directs people to URLs outside your domain, we recommend that you use Custom Tabs for these reasons: The WebView is good solution if you are hosting your own content inside your app. # When should I use Custom Tabs vs WebView? You can test this now with our sample on GitHub. Add custom actions to the browser toolbar, overflow menu and bottom toolbarĬustom Tabs also allow the developer to pre-start the browser and pre-fetch content for faster loading.Note: For information on sharing the content in Custom Tabs, see the blog post, Better content sharing with Custom Tabs.Ĭustom Tabs allow an app to customize how the browser looks and feels. It give apps more control over their web experience, and make transitions between native and web content more seamless without having to resort to a WebView. App developers face a choice when a user taps a URL to either launch a browser, or build their own in-app browser using WebViews.īoth options present challenges - launching the browser is a heavy context switch for users that isn't customizable, while WebViews don't support all features of the web platform, don't share state with the browser and add maintenance overhead.Ĭustom Tabs is a browser feature, introduced by Chrome, that is now supported by most major browsers on Android.
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