Add link to FAQ entry to "Sign in to confirm not a bot" exception message

app/src/main/java/org/schabi/newpipe/error/ErrorActivity.kt

@@ -25,6 +25,7 @@ import org.schabi.newpipe.databinding.ActivityErrorBinding
 import org.schabi.newpipe.util.Localization
 import org.schabi.newpipe.util.ThemeHelper
 import org.schabi.newpipe.util.external_communication.ShareUtils
+import org.schabi.newpipe.util.text.setTextWithLinks
 
 /**
  * This activity is used to show error details and allow reporting them in various ways.
@@ -100,7 +101,7 @@ class ErrorActivity : AppCompatActivity() {
 
         // normal bugreport
         buildInfo(errorInfo)
-        binding.errorMessageView.text = errorInfo.getMessage(this)
+        binding.errorMessageView.setTextWithLinks(errorInfo.getMessage(this))
         binding.errorView.text = formErrorText(errorInfo.stackTraces)
 
         // print stack trace once again for debugging:

app/src/main/java/org/schabi/newpipe/error/ErrorInfo.kt

@@ -29,6 +29,7 @@ import org.schabi.newpipe.extractor.exceptions.YoutubeMusicPremiumContentExcepti
 import org.schabi.newpipe.ktx.isNetworkRelated
 import org.schabi.newpipe.player.mediasource.FailedMediaSource
 import org.schabi.newpipe.player.resolver.PlaybackResolver
+import org.schabi.newpipe.util.text.getText
 
 /**
  * An error has occurred in the app. This class contains plain old parcelable data that can be used
@@ -135,8 +136,8 @@ class ErrorInfo private constructor(
         return getServiceName(serviceId)
     }
 
-    fun getMessage(context: Context): String {
-        return message.getString(context)
+    fun getMessage(context: Context): CharSequence {
+        return message.getText(context)
     }
 
     companion object {
@@ -146,20 +147,23 @@ class ErrorInfo private constructor(
             private val stringRes: Int,
             private vararg val formatArgs: String
         ) : Parcelable {
-            fun getString(context: Context): String {
+            fun getText(context: Context): CharSequence {
+                // Ensure locale aware context via ContextCompat.getContextForLanguage() (just in case context is not AppCompatActivity)
+                val ctx = ContextCompat.getContextForLanguage(context)
                 return if (formatArgs.isEmpty()) {
-                    // use ContextCompat.getString() just in case context is not AppCompatActivity
-                    ContextCompat.getString(context, stringRes)
+                    ctx.getText(stringRes)
                 } else {
                     // ContextCompat.getString() with formatArgs does not exist, so we just
                     // replicate its source code but with formatArgs
-                    ContextCompat.getContextForLanguage(context).getString(stringRes, *formatArgs)
+                    ctx.resources.getText(stringRes, *formatArgs)
                 }
             }
         }
 
         const val SERVICE_NONE = "<unknown_service>"
 
+        const val YOUTUBE_IP_BAN_FAQ_URL = "https://newpipe.net/FAQ/#ip-banned-youtube"
+
         private fun getServiceName(serviceId: Int?) = // not using getNameOfServiceById since we want to accept a nullable serviceId and we
             // want to default to SERVICE_NONE
             ServiceList.all().firstOrNull { it.serviceId == serviceId }?.serviceInfo?.name
@@ -247,7 +251,11 @@ class ErrorInfo private constructor(
                     ErrorMessage(R.string.youtube_music_premium_content)
 
                 throwable is SignInConfirmNotBotException ->
-                    ErrorMessage(R.string.sign_in_confirm_not_bot_error, getServiceName(serviceId))
+                    ErrorMessage(
+                        R.string.sign_in_confirm_not_bot_error,
+                        getServiceName(serviceId),
+                        YOUTUBE_IP_BAN_FAQ_URL
+                    )
 
                 throwable is ContentNotAvailableException ->
                     ErrorMessage(R.string.content_not_available)

app/src/main/java/org/schabi/newpipe/error/ErrorPanelHelper.kt

@@ -16,6 +16,7 @@ import org.schabi.newpipe.MainActivity
 import org.schabi.newpipe.R
 import org.schabi.newpipe.ktx.animate
 import org.schabi.newpipe.util.external_communication.ShareUtils
+import org.schabi.newpipe.util.text.setTextWithLinks
 
 class ErrorPanelHelper(
     private val fragment: Fragment,
@@ -64,7 +65,7 @@ class ErrorPanelHelper(
 
     fun showError(errorInfo: ErrorInfo) {
         ensureDefaultVisibility()
-        errorTextView.text = errorInfo.getMessage(context)
+        errorTextView.setTextWithLinks(errorInfo.getMessage(context))
 
         if (errorInfo.recaptchaUrl != null) {
             showAndSetErrorButtonAction(R.string.recaptcha_solve) {
@@ -109,7 +110,7 @@ class ErrorPanelHelper(
     fun showTextError(errorString: String) {
         ensureDefaultVisibility()
 
-        errorTextView.text = errorString
+        errorTextView.setTextWithLinks(errorString)
 
         setRootVisible()
     }

app/src/main/java/org/schabi/newpipe/player/mediabrowser/MediaBrowserPlaybackPreparer.kt

@@ -49,7 +49,7 @@ import org.schabi.newpipe.util.NavigationHelper
  */
 class MediaBrowserPlaybackPreparer(
     private val context: Context,
-    private val setMediaSessionError: BiConsumer<String, Int>, // error string, error code
+    private val setMediaSessionError: BiConsumer<CharSequence, Int>, // error string, error code
     private val clearMediaSessionError: Runnable,
     private val onPrepare: Consumer<Boolean>
 ) : PlaybackPreparer {
@@ -118,7 +118,7 @@ class MediaBrowserPlaybackPreparer(
 
     private fun onPrepareError(throwable: Throwable) {
         setMediaSessionError.accept(
-            ErrorInfo.getMessage(throwable, null, null).getString(context),
+            ErrorInfo.getMessage(throwable, null, null).getText(context),
             PlaybackStateCompat.ERROR_CODE_APP_ERROR
         )
     }

app/src/main/java/org/schabi/newpipe/util/text/TextViewExtensions.kt

@@ -0,0 +1,29 @@
+package org.schabi.newpipe.util.text
+
+import android.content.res.Resources
+import android.text.SpannableString
+import android.text.method.LinkMovementMethod
+import android.text.util.Linkify
+import android.util.Patterns
+import android.widget.TextView
+import androidx.annotation.StringRes
+import androidx.core.text.parseAsHtml
+import androidx.core.text.toHtml
+import androidx.core.text.toSpanned
+
+/**
+ * Takes in a CharSequence [text]
+ * and makes raw HTTP URLs and HTML anchor tags clickable
+ */
+fun TextView.setTextWithLinks(text: CharSequence) {
+    val spanned = SpannableString(text)
+    // Using the pattern overload of addLinks since the one with the int masks strips all spans from the text before applying new ones
+    Linkify.addLinks(spanned, Patterns.WEB_URL, null)
+    this.text = spanned
+    this.movementMethod = LinkMovementMethod.getInstance()
+}
+
+/**
+ * Gets text from string resource with [id] while preserving styling and allowing string format value substitution of [formatArgs]
+ */
+fun Resources.getText(@StringRes id: Int, vararg formatArgs: Any?): CharSequence = getText(id).toSpanned().toHtml().format(*formatArgs).parseAsHtml()

app/src/main/res/values/strings.xml

@@ -878,7 +878,7 @@
     <string name="player_http_403">HTTP error 403 received from server while playing, likely caused by streaming URL expiration or an IP ban</string>
     <string name="player_http_invalid_status">HTTP error %1$s received from server while playing</string>
     <string name="youtube_player_http_403">HTTP error 403 received from server while playing, likely caused by an IP ban or streaming URL deobfuscation issues</string>
-    <string name="sign_in_confirm_not_bot_error">%1$s refused to provide data, asking for a login to confirm the requester is not a bot.\n\nYour IP might have been temporarily banned by %1$s, you can wait some time or switch to a different IP (for example by turning on/off a VPN, or by switching from WiFi to mobile data).</string>
+    <string name="sign_in_confirm_not_bot_error">%1$s refused to provide data, asking for a login to confirm the requester is not a bot.\n\nYour IP might have been temporarily banned by %1$s, you can wait some time or switch to a different IP (for example by turning on/off a VPN, or by switching from WiFi to mobile data).\n\nPlease see <a href="%2$s">the FAQ</a> for more information</string>
     <string name="unsupported_content_in_country">This content is not available for the currently selected content country.\n\nChange your selection from \"Settings > Content > Default content country\".</string>
     <string name="kao_dialog_warning">In August 2025, Google announced that as of September 2026, installing apps will require developer verification for all Android apps on certified devices, including those installed outside of the Play Store. Since the developers of NewPipe do not agree to this requirement, NewPipe will no longer work on certified Android devices after that time.</string>
     <string name="kao_dialog_more_info">Details</string>