Implement webview error handling for android(inactive)

BoostIO · Jul 21, 2021 · 7aba2a3 · 7aba2a3
1 parent c475c65
commit 7aba2a3
Showing 1 changed file with 51 additions and 6 deletions.
diff --git a/android/app/src/main/java/com/boostio/boostnote/MainActivity.kt b/android/app/src/main/java/com/boostio/boostnote/MainActivity.kt
@@ -12,16 +12,17 @@
 
 package com.boostio.boostnote2021
 
-import android.content.ComponentName
+import android.app.AlertDialog
 import android.content.Context
+import android.content.DialogInterface
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.util.Log
 import android.webkit.*
 import android.webkit.WebView
-import androidx.annotation.RequiresApi
+//import androidx.annotation.RequiresApi
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat.startActivity
 
@@ -31,8 +32,9 @@ class MainActivity : AppCompatActivity() {
     val ctx: AppCompatActivity = this
 
     val authStatePreferencesKey = "com.boostio.boostnote.authState"
-    // val mobileBaseUrl = "http://localhost:3005"
-   val mobileBaseUrl = "https://m.boostnote.io"
+//    val mobileBaseUrl = "http://localhost:3005"
+    val mobileBaseUrl = "https://m.boostnote.io"
+    private var webviewReloadAlertDialog: AlertDialog? = null
 
     class WebAppInterface(private val mContext: MainActivity) {
 
@@ -54,6 +56,26 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
+    fun showReloadDialog(description: String?) {
+        if (this.webviewReloadAlertDialog != null) {
+            return
+        }
+        val builder = AlertDialog.Builder(this)
+
+        builder.setMessage("Choose OK to reload the app")
+            .setTitle("""Error $description""")
+            .setPositiveButton("OK", DialogInterface.OnClickListener { _, _ ->
+                this.webviewReloadAlertDialog = null
+                val view = findViewById<WebView>(R.id.webview);
+                view?.reload()
+            })
+            .setCancelable(false)
+
+        this.webviewReloadAlertDialog = builder.create()
+        this.webviewReloadAlertDialog!!.show()
+    }
+
+
     override fun onCreate(savedInstanceState: Bundle?) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
             WebView.setWebContentsDebuggingEnabled(true);
@@ -67,7 +89,31 @@ class MainActivity : AppCompatActivity() {
         settings.allowContentAccess = true;
         settings.domStorageEnabled = true;
         settings.userAgentString = settings.userAgentString + " BoostNote-Mobile-Android"
-        view.webViewClient = WebViewClient()
+
+        view.webViewClient = object: WebViewClient() {
+//            override fun onReceivedError(
+//                view: WebView?,
+//                errorCode: Int,
+//                description: String?,
+//                failingUrl: String?
+//            ) {
+//                super.onReceivedError(view, errorCode, description, failingUrl)
+//                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M){ return }
+//
+//                this@MainActivity.showReloadDialog(description)
+//            }
+//
+//            @RequiresApi(Build.VERSION_CODES.M)
+//            override fun onReceivedError(
+//                view: WebView?,
+//                request: WebResourceRequest?,
+//                error: WebResourceError?
+//            ) {
+//                super.onReceivedError(view, request, error)
+//
+//                this@MainActivity.showReloadDialog(error?.description as String)
+//            }
+        }
         view.webChromeClient = object : WebChromeClient() {
             override fun onConsoleMessage(message: String, lineNumber: Int, sourceID: String) {
                 Log.d("WebView", "$message -- From line $lineNumber of $sourceID")
@@ -86,7 +132,6 @@ class MainActivity : AppCompatActivity() {
     }
 
     fun handleIntent(intent: Intent) {
-
         if (
             !this.resolveAuthIntent(intent)) {