Support tag translations

app/src/main/java/com/hippo/util/TextUrl.java

@@ -20,11 +20,14 @@ import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.style.URLSpan;
 
+import java.nio.charset.Charset;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public final class TextUrl {
 
+    public static final Charset UTF_8 = Charset.forName("UTF-8");
+
     private static final Pattern URL_PATTERN = Pattern.compile("(http|https)://[a-z0-9A-Z%-]+(\\.[a-z0-9A-Z%-]+)+(:\\d{1,5})?(/[a-zA-Z0-9-_~:#@!&',;=%/\\*\\.\\?\\+\\$\\[\\]\\(\\)]+)?/?");
 
     public static CharSequence handleTextUrl(CharSequence content) {