Add TextHelper.kt

app/src/main/java/chat/rocket/android/helper/TextHelper.kt

+package chat.rocket.android.helper
+
+import android.text.SpannableString
+import android.text.Spanned
+import android.text.method.LinkMovementMethod
+import android.text.style.ClickableSpan
+import android.widget.TextView
+
+object TextHelper {
+
+    /**
+     * Adds clickable link(s) to a TextView.
+     *
+     * @param textView The TextView to add clickable links.
+     * @param links The TextView content(s) to act as clickable links.
+     * @param clickableSpans The ClickableSpan(s) to handle the onClick listener.
+     */
+    fun addLink(textView: TextView, links: Array<String>, clickableSpans: Array<ClickableSpan>) {
+        val spannableString = SpannableString(textView.text)
+        for (i in links.indices) {
+            val clickableSpan = clickableSpans[i]
+            val link = links[i]
+
+            val startIndexOfLink = textView.text.indexOf(link)
+            spannableString.setSpan(clickableSpan, startIndexOfLink, startIndexOfLink + link.length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+        }
+        textView.movementMethod = LinkMovementMethod.getInstance()
+        textView.setText(spannableString, TextView.BufferType.SPANNABLE)
+    }
+}
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