Add learn more link to export account data.

core-ui/src/main/java/org/signal/core/ui/Texts.kt

@@ -1,13 +1,21 @@
 package org.signal.core.ui
 
+import android.text.Spanned
+import android.text.style.URLSpan
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.text.ClickableText
+import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.dimensionResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.core.text.getSpans
 import org.signal.core.ui.theme.SignalTheme
 
 object Texts {
@@ -29,6 +37,43 @@ object Texts {
         .padding(top = 16.dp, bottom = 12.dp)
     )
   }
+
+  @Composable
+  fun LinkifiedText(
+    textWithUrlSpans: Spanned,
+    onUrlClick: (String) -> Unit,
+    modifier: Modifier = Modifier,
+    style: TextStyle = LocalTextStyle.current
+  ) {
+    val annotatedText = annotatedStringFromUrlSpans(urlSpanText = textWithUrlSpans)
+    ClickableText(
+      text = annotatedText,
+      style = style,
+      modifier = modifier,
+      onClick = { offset ->
+        annotatedText.getStringAnnotations(tag = "URL", start = offset, end = offset).firstOrNull()?.let { annotation ->
+          onUrlClick(annotation.item)
+        }
+      }
+    )
+  }
+
+  @Composable
+  private fun annotatedStringFromUrlSpans(urlSpanText: Spanned): AnnotatedString {
+    val builder = AnnotatedString.Builder(urlSpanText.toString())
+    val urlSpans = urlSpanText.getSpans<URLSpan>()
+    for (urlSpan in urlSpans) {
+      val spanStart = urlSpanText.getSpanStart(urlSpan)
+      val spanEnd = urlSpanText.getSpanEnd(urlSpan)
+      builder.addStyle(
+        style = SpanStyle(color = MaterialTheme.colorScheme.primary),
+        start = spanStart,
+        end = spanEnd
+      )
+      builder.addStringAnnotation("URL", urlSpan.url, spanStart, spanEnd)
+    }
+    return builder.toAnnotatedString()
+  }
 }
 
 @Preview