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Create WebViewUtil.kt

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Jay 2020-03-10 00:00:29 -07:00
parent ce1ab6d964
commit 75e32f6f47
1 changed files with 33 additions and 0 deletions
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app/src/main/java/eu/kanade/tachiyomi/util/system/WebViewUtil.kt Normal file
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package eu.kanade.tachiyomi.util.system
import android.webkit.WebView
private val WEBVIEW_UA_VERSION_REGEX by lazy {
Regex(""".*Chrome/(\d+)\..*""")
}
private const val MINIMUM_WEBVIEW_VERSION = 70
fun WebView.isOutdated(): Boolean {
return getWebviewMajorVersion(this) < MINIMUM_WEBVIEW_VERSION
}
// Based on https://stackoverflow.com/a/29218966
private fun getWebviewMajorVersion(webview: WebView): Int {
val originalUA: String = webview.settings.userAgentString
// Next call to getUserAgentString() will get us the default
webview.settings.userAgentString = null
val uaRegexMatch = WEBVIEW_UA_VERSION_REGEX.matchEntire(webview.settings.userAgentString)
val webViewVersion: Int = if (uaRegexMatch != null && uaRegexMatch.groupValues.size > 1) {
uaRegexMatch.groupValues[1].toInt()
} else {
0
}
// Revert to original UA string
webview.settings.userAgentString = originalUA
return webViewVersion
}