Update target sdk

app/build.gradle

@@ -8,13 +8,13 @@ plugins {
 def gitCommits = 'git rev-list --count HEAD'.execute([], rootDir).text.trim().toInteger()
 
 android {
-	compileSdkVersion 29
-	buildToolsVersion '29.0.3'
+	compileSdkVersion 30
+	buildToolsVersion '30.0.2'
 
 	defaultConfig {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
-		targetSdkVersion 29
+		targetSdkVersion 30
 		versionCode gitCommits
 		versionName '0.5.1'
 

app/src/main/java/org/koitharu/kotatsu/ui/browser/BrowserClient.kt

@@ -27,7 +27,7 @@ class BrowserClient(private val callback: BrowserCallback) : WebViewClient(), Ko
 
 	override fun onPageCommitVisible(view: WebView, url: String?) {
 		super.onPageCommitVisible(view, url)
-		callback.onTitleChanged(view.title, url)
+		callback.onTitleChanged(view.title.orEmpty(), url)
 	}
 
 	override fun shouldOverrideUrlLoading(view: WebView?, request: WebResourceRequest?) = false