fix tethering hint (#8979)

app/src/main/java/se/leap/bitmaskclient/fragments/TetheringDialog.java

@@ -22,35 +22,37 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import java.util.Observable;
+import java.util.Observer;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import butterknife.ButterKnife;
+import butterknife.InjectView;
+import de.blinkt.openvpn.core.VpnStatus;
+import se.leap.bitmaskclient.R;
+import se.leap.bitmaskclient.firewall.FirewallManager;
+import se.leap.bitmaskclient.tethering.TetheringObservable;
+import se.leap.bitmaskclient.utils.PreferenceHelper;
+import se.leap.bitmaskclient.views.IconCheckboxEntry;
+
 /**
  * Copyright (c) 2020 LEAP Encryption Access Project and contributers
- *
+ * <p>
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- *
+ * <p>
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
- *
+ * <p>
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-import java.util.Observable;
-import java.util.Observer;
-
-import butterknife.ButterKnife;
-import butterknife.InjectView;
-import de.blinkt.openvpn.core.VpnStatus;
-import se.leap.bitmaskclient.R;
-import se.leap.bitmaskclient.firewall.FirewallManager;
-import se.leap.bitmaskclient.tethering.TetheringObservable;
-import se.leap.bitmaskclient.utils.PreferenceHelper;
-import se.leap.bitmaskclient.views.IconCheckboxEntry;
-
 public class TetheringDialog extends AppCompatDialogFragment implements Observer {
 
     public final static String TAG = TetheringDialog.class.getName();
@@ -191,12 +193,17 @@ public class TetheringDialog extends AppCompatDialogFragment implements Observer
 
     private CharSequence createUserMessage() {
         String tetheringMessage = getString(R.string.tethering_message);
-        String systemSettings = getString(R.string.tethering_system_settings);
-        String systemSettingsMessage = getString(R.string.tethering_enabled_message, systemSettings);
+        String systemSettingsMessage = getString(R.string.tethering_enabled_message);
+        Pattern pattern = Pattern.compile("([\\w .]*)(<b>)+([\\w ]*)(</b>)([\\w .]*)");
+        Matcher matcher = pattern.matcher(systemSettingsMessage);
+        int startIndex = 0;
+        int endIndex = 0;
+        if (matcher.matches()) {
+            startIndex = matcher.start(2);
+            endIndex = startIndex + matcher.group(3).length();
+        }
+        systemSettingsMessage = systemSettingsMessage.replace("<b>", "").replace("</b>", "");
         String wholeMessage = systemSettingsMessage + "\n\n" + tetheringMessage;
-        int startIndex = wholeMessage.indexOf(systemSettings, 0);
-        int endIndex = startIndex + systemSettings.length();
-
         Spannable spannable = new SpannableString(wholeMessage);
         spannable.setSpan(new ClickableSpan() {
             @Override

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

@@ -111,8 +111,7 @@
   <string name="require_root">Requires root permissions</string>
   <string name="show_experimental">Show experimental features</string>
   <string name="hide_experimental">Hide experimental features</string>
-  <string name="tethering_enabled_message">Please make sure to enable tethering in the %s first!</string>
-  <string name="tethering_system_settings">system settings</string>
+  <string name="tethering_enabled_message">Please make sure to enable tethering in the <![CDATA[<b>system settings</b>]]> first.</string>
   <string name="tethering_message">Share your VPN with other devices via:</string>
   <string name="tethering_wifi">Wifi hotspot</string>
   <string name="tethering_usb">USB tethering</string>