From 02267c526318c265016e17bfb2ca4b75f7379422 Mon Sep 17 00:00:00 2001
From: Stanislav Dmitrenko <7953703+avently@users.noreply.github.com>
Date: Wed, 29 May 2024 04:01:45 +0700
Subject: [PATCH] android: show alert of exception while initializing WebView
 (#4245)

* android: show alert of exception while initializing WebView

* Update apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
---
 .../common/views/call/CallView.android.kt     | 63 ++++++++++---------
 .../commonMain/resources/MR/base/strings.xml  |  1 +
 2 files changed, 36 insertions(+), 28 deletions(-)

diff --git a/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/views/call/CallView.android.kt b/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/views/call/CallView.android.kt
index c702264d82..d6af35432d 100644
--- a/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/views/call/CallView.android.kt
+++ b/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/views/call/CallView.android.kt
@@ -11,6 +11,7 @@ import android.media.*
 import android.os.Build
 import android.os.PowerManager
 import android.os.PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK
+import android.view.View
 import android.view.ViewGroup
 import android.webkit.*
 import androidx.compose.desktop.ui.tooling.preview.Preview
@@ -670,37 +671,43 @@ fun WebRTCView(callCommand: SnapshotStateList<WCallCommand>, onResponse: (WVAPIM
   Box(Modifier.fillMaxSize()) {
     AndroidView(
       factory = { AndroidViewContext ->
-        (staticWebView ?: WebView(androidAppContext)).apply {
-          layoutParams = ViewGroup.LayoutParams(
-            ViewGroup.LayoutParams.MATCH_PARENT,
-            ViewGroup.LayoutParams.MATCH_PARENT,
-          )
-          this.webChromeClient = object: WebChromeClient() {
-            override fun onPermissionRequest(request: PermissionRequest) {
-              if (request.origin.toString().startsWith("file:/")) {
-                request.grant(request.resources)
-              } else {
-                Log.d(TAG, "Permission request from webview denied.")
-                request.deny()
+        try {
+          (staticWebView ?: WebView(androidAppContext)).apply {
+            layoutParams = ViewGroup.LayoutParams(
+              ViewGroup.LayoutParams.MATCH_PARENT,
+              ViewGroup.LayoutParams.MATCH_PARENT,
+            )
+            this.webChromeClient = object: WebChromeClient() {
+              override fun onPermissionRequest(request: PermissionRequest) {
+                if (request.origin.toString().startsWith("file:/")) {
+                  request.grant(request.resources)
+                } else {
+                  Log.d(TAG, "Permission request from webview denied.")
+                  request.deny()
+                }
               }
             }
+            this.webViewClient = LocalContentWebViewClient(webView, assetLoader)
+            this.clearHistory()
+            this.clearCache(true)
+            this.addJavascriptInterface(WebRTCInterface(onResponse), "WebRTCInterface")
+            this.setBackgroundColor(android.graphics.Color.BLACK)
+            val webViewSettings = this.settings
+            webViewSettings.allowFileAccess = true
+            webViewSettings.allowContentAccess = true
+            webViewSettings.javaScriptEnabled = true
+            webViewSettings.mediaPlaybackRequiresUserGesture = false
+            webViewSettings.cacheMode = WebSettings.LOAD_NO_CACHE
+            if (staticWebView == null) {
+              this.loadUrl("file:android_asset/www/android/call.html")
+            } else {
+              webView.value = this
+            }
           }
-          this.webViewClient = LocalContentWebViewClient(webView, assetLoader)
-          this.clearHistory()
-          this.clearCache(true)
-          this.addJavascriptInterface(WebRTCInterface(onResponse), "WebRTCInterface")
-          this.setBackgroundColor(android.graphics.Color.BLACK)
-          val webViewSettings = this.settings
-          webViewSettings.allowFileAccess = true
-          webViewSettings.allowContentAccess = true
-          webViewSettings.javaScriptEnabled = true
-          webViewSettings.mediaPlaybackRequiresUserGesture = false
-          webViewSettings.cacheMode = WebSettings.LOAD_NO_CACHE
-          if (staticWebView == null) {
-            this.loadUrl("file:android_asset/www/android/call.html")
-          } else {
-            webView.value = this
-          }
+        } catch (e: Exception) {
+          Log.e(TAG, "Error initializing WebView: ${e.stackTraceToString()}")
+          AlertManager.shared.showAlertMsg(generalGetString(MR.strings.error), generalGetString(MR.strings.error_initializing_web_view).format(e.stackTraceToString()))
+          return@AndroidView View(androidAppContext)
         }
       }
     ) { /* WebView */ }
diff --git a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
index 123e9bc80d..35e3591aea 100644
--- a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
+++ b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
@@ -874,6 +874,7 @@
   <string name="audio_device_speaker">Speaker</string>
   <string name="audio_device_wired_headphones">Headphones</string>
   <string name="audio_device_bluetooth">Bluetooth</string>
+  <string name="error_initializing_web_view">Error initializing WebView. Update your system to the new version. Please contact developers.\nError: %s</string>
 
   <!-- SimpleXInfo -->
   <string name="next_generation_of_private_messaging">The next generation of private messaging</string>