85 lines
2.6 KiB
Markdown
85 lines
2.6 KiB
Markdown
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---
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layout: post
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title: "🚀 Release: Android Components 0.24"
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date: 2018-09-21 20:15:00 +0200
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categories: releases
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author: jonathan
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---
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# 0.24 (2018-09-21)
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* [Commits](https://github.com/mozilla-mobile/android-components/compare/v0.23...v0.24),
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[Milestone](https://github.com/mozilla-mobile/android-components/milestone/24?closed=1),
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[API reference](https://mozilla-mobile.github.io/android-components/api/0.24/index)
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* Compiled against:
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* Android
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* SDK: 27
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* Support Libraries: 27.1.1
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* Kotlin
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* Standard library: 1.2.61
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* Coroutines: 0.23.4
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* GeckoView
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* Nightly: 64.0.20180905100117
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* Beta: 63.0b3 (0269319281578bff4e01d77a21350bf91ba08620)
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* Release: 62.0 (9cbae12a3fff404ed2c12070ad475424d0ae869f)
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* **dataprotect**:
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* Added a component using AndroidKeyStore to protect user data.
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```kotlin
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// Create a Keystore and generate a key
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val keystore: Keystore = Keystore("samples-dataprotect")
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keystore.generateKey()
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// Encrypt data
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val plainText = "plain text data".toByteArray(StandardCharsets.UTF_8)
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val encrypted = keystore.encryptBytes(plain)
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// Decrypt data
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val samePlainText = keystore.decryptBytes(encrypted)
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```
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* **concept-engine**: Enhanced settings to cover most common WebView settings.
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* **browser-engine-system**:
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* `SystemEngineSession` now provides a way to capture a screenshot of the actual content of the web page just by calling `captureThumbnail`
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* **browser-session**:
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* `Session` exposes a new property called `thumbnail` and its internal observer also exposes a new listener `onThumbnailChanged`.
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```Kotlin
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session.register(object : Session.Observer {
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fun onThumbnailChanged(session: Session, bitmap: Bitmap?) {
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// Do Something
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}
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})
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```
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* `SessionManager` lets you notify it when the OS is under low memory condition by calling to its new function `onLowMemory`.
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* **browser-tabstray**:
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* Now on `BrowserTabsTray` every tab gets is own thumbnail :)
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* **support-ktx**:
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* Now you can easily query if the OS is under low memory conditions, just by using `isOSOnLowMemory()` extension function on `Context`.
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```Kotlin
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val shouldReduceMemoryUsage = context.isOSOnLowMemory()
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if (shouldReduceMemoryUsage) {
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//Deallocate some heavy objects
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}
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```
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* `View.dp` is now`Resource.pxtoDp`.
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```Kotlin
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// Before
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toolbar.dp(104)
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// Now
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toolbar.resources.pxToDp(104)
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```
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* **samples-browser**:
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* Updated to show the new features related to tab thumbnails. Be aware that this feature is only available for `systemEngine` and you have to switch to the build variant `systemEngine*`.
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