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Android Components > Feature > Session

A component that connects an (concept) engine implementation with the browser session module. A HistoryTrackingDelegate implementation is also provided, which allows tying together an engine implementation with a storage module.

Usage

Setting up the dependency

Use Gradle to download the library from maven.mozilla.org (Setup repository):

implementation "org.mozilla.components:feature-session:{latest-version}"

ThumbnailsFeature

Feature implementation for automatically taking thumbnails of sites. The feature will take a screenshot when the page finishes loading, and will add it to the Session.thumbnail property.

    val feature = ThumbnailsFeature(context, engineView, sessionManager)
    lifecycle.addObserver(feature)

If the OS is under low memory conditions, the screenshot will be not taken. Ideally, this should be used in conjunction with SessionManager.onLowMemory to allow free up some Session.thumbnail from memory.

// Wherever you implement ComponentCallbacks2
 override fun onTrimMemory(level: Int) {
     sessionManager.onLowMemory()
 }

License

This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/
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