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Code Issues Packages Projects Releases Wiki Activity

Force close app if Webview isn't available

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This commit is contained in:
arkon 2020-04-19 16:10:49 -04:00
parent abbb329ba6
commit dff239141d
3 changed files with 23 additions and 6 deletions
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8
app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
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@ -32,6 +32,8 @@ import eu.kanade.tachiyomi.ui.source.SourceController
import eu.kanade.tachiyomi.ui.source.global_search.GlobalSearchController
import eu.kanade.tachiyomi.util.lang.launchInUI
import eu.kanade.tachiyomi.util.lang.launchUI
import eu.kanade.tachiyomi.util.system.WebviewUtil
import eu.kanade.tachiyomi.util.system.toast
import java.util.Date
import java.util.concurrent.TimeUnit
import kotlinx.coroutines.Dispatchers
@ -64,6 +66,12 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
binding = MainActivityBinding.inflate(layoutInflater)
// Enforce Webview availability
if (!WebviewUtil.supportsWebview(this)) {
toast(R.string.information_webview_required, Toast.LENGTH_LONG)
finishAndRemoveTask()
}
// Do not let the launcher create a new activity http://stackoverflow.com/questions/16283079
if (!isTaskRoot) {
finish()

18
app/src/main/java/eu/kanade/tachiyomi/util/system/WebviewUtil.kt
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@ -1,15 +1,23 @@
package eu.kanade.tachiyomi.util.system
import android.content.Context
import android.content.pm.PackageManager
import android.webkit.WebView
private val WEBVIEW_UA_VERSION_REGEX by lazy {
object WebviewUtil {
val WEBVIEW_UA_VERSION_REGEX by lazy {
Regex(""".*Chrome/(\d+)\..*""")
}
const val MINIMUM_WEBVIEW_VERSION = 79
fun supportsWebview(context: Context): Boolean {
return context.packageManager.hasSystemFeature(PackageManager.FEATURE_WEBVIEW)
}
}
private const val MINIMUM_WEBVIEW_VERSION = 79
fun WebView.isOutdated(): Boolean {
return getWebviewMajorVersion(this) < MINIMUM_WEBVIEW_VERSION
return getWebviewMajorVersion(this) < WebviewUtil.MINIMUM_WEBVIEW_VERSION
}
// Based on https://stackoverflow.com/a/29218966
@ -19,7 +27,7 @@ private fun getWebviewMajorVersion(webview: WebView): Int {
// Next call to getUserAgentString() will get us the default
webview.settings.userAgentString = null
val uaRegexMatch = WEBVIEW_UA_VERSION_REGEX.matchEntire(webview.settings.userAgentString)
val uaRegexMatch = WebviewUtil.WEBVIEW_UA_VERSION_REGEX.matchEntire(webview.settings.userAgentString)
val webViewVersion: Int = if (uaRegexMatch != null && uaRegexMatch.groupValues.size > 1) {
uaRegexMatch.groupValues[1].toInt()
} else {

1
app/src/main/res/values/strings.xml
View File

@ -593,6 +593,7 @@
<string name="information_empty_library">Your library is empty, add series to your library from the sources.</string>
<string name="information_empty_category">You have no categories. Hit the plus button to create one for organizing your library.</string>
<string name="information_cloudflare_bypass_failure">Failed to bypass Cloudflare</string>
<string name="information_webview_required">Webview is required for Tachiyomi</string>
<string name="information_webview_outdated">Please update the WebView app for better compatibility</string>
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