Created
November 4, 2019 14:20
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WebView client handle clicks image/mail/link
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| const val header = """<!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=no"> | |
| </head> | |
| <body>""" | |
| const val footer = """</body> | |
| </html>""" |
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| import android.webkit.WebView | |
| import android.webkit.WebResourceRequest | |
| import android.os.Build | |
| import android.annotation.TargetApi | |
| import android.content.ActivityNotFoundException | |
| import android.content.Context | |
| import android.webkit.WebViewClient | |
| import android.content.Intent | |
| import android.net.Uri | |
| open class CustomWebViewClient(var context: Context) : WebViewClient() { | |
| var handleImageClick: (url: String) -> Unit = | |
| { NavigationProvider.navigator.openPhotoFromFile(it) } | |
| //для API>=24 | |
| @TargetApi(Build.VERSION_CODES.N) | |
| override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest) = | |
| resolveUrlLoading(request.url.toString()) | |
| //для API<24 | |
| @Suppress("DEPRECATION") | |
| override fun shouldOverrideUrlLoading(view: WebView, url: String) = | |
| resolveUrlLoading(url) | |
| private fun resolveUrlLoading(url: String): Boolean { | |
| if (url.endsWith(".png") || url.endsWith(".jpg") | |
| || url.endsWith(".jpeg") || url.endsWith(".bmp") | |
| ) { | |
| handleImageClick(url) | |
| } else if (url.startsWith("mailto:")) { | |
| startEmailClient(url) | |
| } else { | |
| startWebClient(url) | |
| } | |
| return true | |
| } | |
| private fun startEmailClient(address: String) { | |
| val intent = Intent(Intent.ACTION_SENDTO, Uri.parse(address)) | |
| if (intent.resolveActivity(context.packageManager) != null) { | |
| context.startActivity(intent) | |
| } else { | |
| try { | |
| context.startActivity( | |
| Intent(Intent.ACTION_VIEW, Uri.parse("market://search?q=mail&c=apps")) | |
| ) | |
| } catch (e: ActivityNotFoundException) { | |
| context.startActivity( | |
| Intent(Intent.ACTION_VIEW, Uri.parse("http://play.google.com/store/search?q=mail&c=apps")) | |
| ) | |
| } | |
| } | |
| } | |
| private fun startWebClient(address: String) { | |
| val intent = Intent(Intent.ACTION_VIEW, Uri.parse(address)) | |
| if (intent.resolveActivity(context.packageManager) != null) { | |
| context.startActivity(intent) | |
| } else { | |
| try { | |
| context.startActivity( | |
| Intent(Intent.ACTION_VIEW, Uri.parse("market://search?q=browser&c=apps")) | |
| ) | |
| } catch (e: ActivityNotFoundException) { | |
| context.startActivity( | |
| Intent(Intent.ACTION_VIEW, Uri.parse("http://play.google.com/store/search?q=browser&c=apps")) | |
| ) | |
| } | |
| } | |
| } | |
| } |
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| webViewFrame.webViewClient = CustomWebViewClient(this) | |
| webViewFrame.reload() | |
| //если HTML неполный - дополняем | |
| if (data.text?.contains("<!DOCTYPE html>") == false) { | |
| data.text = header + data.text + footer | |
| } | |
| webViewFrame.loadDataWithBaseURL(null, data.text, "text/html", "UTF-8", null) |
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