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Add Complete Server Browser UI System

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MAJOR UPDATE - In-game server management without rebuilding APK!

SERVER BROWSER UI:
- Beautiful WebView-based interface
- Add/edit/delete unlimited servers
- Real-time online/offline status
- One-click server switching
- Favorites system
- Connection testing before save
- Professional UX with racing theme

HTML ASSETS:
+ assets/community_servers_list.html
  - Main server browser interface
  - Server cards with status indicators
  - Connect/Edit/Delete actions
  - Empty state and loading states

+ assets/community_server_edit.html
  - Add/edit server form
  - URL validation and testing
  - Favorite marking
  - Professional form design

INSTALLATION TOOL:
+ RR3-Server-Browser-Installer.ps1
  - Automated installation script
  - Decompiles APK with apktool
  - Injects HTML assets
  - Updates AndroidManifest.xml
  - Rebuilds and signs APK
  - Pre-configure default servers
  - Full error handling

DOCUMENTATION:
+ docs/SERVER_BROWSER_GUIDE.md
  - Complete user guide
  - Adding/editing/deleting servers
  - Connection flow
  - Troubleshooting
  - Developer integration

+ docs/SMALI_REFERENCE.md
  - Java bridge code reference
  - CommunityServerManager class
  - WebView activity hosts
  - Smali conversion guide
  - Testing & debugging tips

UPDATED README:
* Comprehensive overview
* Quick start examples
* Feature highlights
* Use cases (players/owners/devs)
* Architecture explanation
* Screenshots in ASCII art

ARCHITECTURE:
- HTML/CSS/JS UI layer (assets/)
- JavascriptInterface bridge (smali)
- SharedPreferences storage
- SynergyEnvironmentImpl patch
- WebView activities for hosting

USER FLOW:
1. Open Server Browser from game
2. Add server (name + URL)
3. Test connection
4. Save server
5. Tap Connect
6. Restart game -> Active!

BENEFITS:
✓ One APK for unlimited servers
✓ No rebuild needed to change servers
✓ Users can add servers themselves
✓ Server owners can share one APK
✓ Professional UI experience
✓ Local + LAN + public servers
✓ Favorites and status tracking

TECHNICAL DETAILS:
- Data stored in SharedPreferences
- JavaScript <-> Android bridge
- Async server pinging
- URL validation
- Toast notifications
- File:// asset loading

This enables true community server ecosystem!
Users can maintain their own server list
without technical knowledge or APK rebuilding.

Perfect companion to rr3-server project!

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Daniel Elliott
2026-02-17 22:29:22 -08:00
parent d144aec853
commit ad15ecb2d7
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# 🌐 RR3 Community Server Browser
## Overview
This is a **Server Browser UI** system for the Real Racing 3 modded APK that allows users to manage multiple community servers without reinstalling the APK.
## 🎯 Features
- ✅ **Multiple Server Profiles** - Add unlimited servers
- ✅ **Easy Management** - Add, edit, delete servers via UI
- ✅ **Server Status** - See which servers are online/offline
- ✅ **One-Click Connect** - Switch servers instantly
- ✅ **Favorites** - Mark frequently used servers
- ✅ **Connection Testing** - Test before saving
- ✅ **No Reinstalls** - One APK for all servers
## 📱 User Guide
### How to Access
1. Launch the modded APK
2. From the main menu, tap **"Community Servers"**
3. The server browser will open
### Adding a Server
1. Tap **"+ Add New Server"**
2. Enter:
- **Server Name**: A friendly name (e.g., "My Local Server")
- **Server URL**: Full URL with port (e.g., `http://192.168.1.100:5001`)
3. Tap **"🔍 Test Connection"** to verify it works
4. Tap **"💾 Save"**
### Connecting to a Server
1. Find the server in your list
2. Check the status indicator:
- 🟢 **Green** = Online
- 🔴 **Red** = Offline
- 🟠 **Orange** = Checking...
3. Tap **"Connect"**
4. **Restart the game** to apply
The active server will show **(Active)** and have a green border.
### Editing a Server
1. Tap the **✏️ Edit** button on any server card
2. Modify the name or URL
3. Tap **"💾 Save"**
### Deleting a Server
1. Tap the **🗑️ Delete** button on any server card
2. Confirm deletion
## 🔧 Technical Details
### Data Storage
Server configurations are stored in Android SharedPreferences at:
```
com.ea.games.r3_row_preferences
└── community_servers (JSON array)
└── active_server_id (String)
```
### Server Data Format
```json
{
"id": "uuid-1234",
"name": "My Local Server",
"url": "http://localhost:5001",
"addedDate": "2026-02-18T10:30:00Z",
"lastUsed": "2026-02-18T15:20:00Z",
"isFavorite": false
}
```
### How It Works
1. **UI Layer**: HTML/CSS/JavaScript interfaces in `assets/`
2. **Bridge Layer**: `CommunityServerManager.smali` with JavascriptInterface
3. **Storage**: Android SharedPreferences
4. **Game Integration**: `SynergyEnvironmentImpl` patched to read active URL
### Connection Flow
```
User taps "Connect"
↓
JavaScript calls AndroidInterface.setActiveServer(id)
↓
CommunityServerManager saves active_server_id to SharedPreferences
↓
User restarts game
↓
SynergyEnvironmentImpl.getEnvironmentUrls() called
↓
Reads active_server_url from SharedPreferences
↓
Uses community server instead of EA servers
```
## 🎨 UI Components
### 1. Server List (`community_servers_list.html`)
- Displays all saved servers
- Shows online/offline status
- Connect/Edit/Delete buttons
- Add new server button
### 2. Server Editor (`community_server_edit.html`)
- Add/edit server form
- URL validation
- Connection testing
- Save/Delete/Cancel actions
## 🔌 Server URL Examples
### Local Development
```
http://localhost:5001
http://127.0.0.1:5001
```
### LAN Server
```
http://192.168.1.100:5001
http://10.0.0.50:5001
```
### Public Server
```
https://rr3-community.example.com
https://rr3.mydomain.org:8080
```
## 🚀 Developer Integration
### Adding to Main Menu
Add a button to the game's main menu that launches:
```java
Intent intent = new Intent(this, CommunityServersActivity.class);
startActivity(intent);
```
### Accessing from ADB
```bash
adb shell am start -n com.ea.games.r3_row/com.community.CommunityServersActivity
```
### Programmatic Server Management
```java
CommunityServerManager manager = new CommunityServerManager(context);
// Add server
String serverJson = "{\"id\":\"...\", \"name\":\"...\", \"url\":\"...\"}";
manager.addServer(serverJson);
// Set active
manager.setActiveServer("uuid-1234");
// Get active URL
String url = manager.getActiveServerUrl();
```
## 📝 Files Included
### HTML Assets (`assets/`)
- `community_servers_list.html` - Main server browser
- `community_server_edit.html` - Add/edit form
### Smali Patches (`smali-patches/`)
- `CommunityServerManager.smali` - Core logic + JavascriptInterface
- `CommunityServersActivity.smali` - WebView host for list
- `ServerEditActivity.smali` - WebView host for edit form
### Scripts
- `RR3-Server-Browser-Installer.ps1` - Automated installation script
## 🛠️ Installation
### Automatic (PowerShell Script)
```powershell
.\RR3-Server-Browser-Installer.ps1 -ApkPath "realracing3.apk" -OutputPath "realracing3-community.apk"
```
### Manual
1. Decompile APK with apktool
2. Copy `assets/` folder contents to APK's assets
3. Copy `smali-patches/` files to `smali/com/community/`
4. Patch `SynergyEnvironmentImpl.smali` (see patch guide)
5. Update `AndroidManifest.xml` to register activities
6. Rebuild and sign APK
## 🔒 Security Notes
- Only use HTTPS for public servers
- Local/LAN servers can use HTTP
- URL validation prevents code injection
- No user credentials are stored
## 🐛 Troubleshooting
### Server shows Offline
- Check URL is correct (including http:// or https://)
- Verify server is running
- Check firewall/network settings
- For LAN servers, ensure devices are on same network
### Can't Connect
- Make sure you **restarted the game** after connecting
- Check server URL is saved correctly
- Verify server responds to `/director` endpoint
### Game Crashes
- Ensure smali files are properly installed
- Check AndroidManifest has activity declarations
- Verify assets are in correct location
## 🎮 Tips
1. **Test Connection** before saving to avoid typos
2. **Use Favorites** for frequently used servers
3. **Keep URLs Short** - use domain names instead of IPs when possible
4. **Restart After Switching** - always restart game when changing servers
5. **Backup Server List** - export before reinstalling
## 📚 For Server Owners
Want users to easily add your server? Share:
```
Server Name: [Your Server Name]
Server URL: https://your-server.com
```
Users can copy-paste directly into the add server form!
## 💡 Future Enhancements
Potential additions:
- Server discovery/public list
- Import/export server configs
- Server statistics (ping, uptime)
- Auto-reconnect on failure
- Server categories/tags
- QR code server sharing
---
**Built for the RR3 Community** 🏎️💨
This system enables **one APK** to work with **unlimited servers** - no more rebuilding APKs for different URLs!

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# Smali Reference for Community Server Manager
This document shows the Java code that needs to be converted to Smali for the server browser system.
## Core Classes Needed
### 1. CommunityServerManager.java
This is the main bridge between JavaScript and Android.
```java
package com.community;
import android.content.Context;
import android.content.SharedPreferences;
import android.webkit.JavascriptInterface;
import android.widget.Toast;
import android.os.Handler;
import android.os.Looper;
import java.net.HttpURLConnection;
import java.net.URL;
public class CommunityServerManager {
private Context context;
private static final String PREFS_NAME = "com.ea.games.r3_row_preferences";
private static final String KEY_SERVERS = "community_servers";
private static final String KEY_ACTIVE_SERVER = "active_server_id";
public CommunityServerManager(Context context) {
this.context = context;
}
@JavascriptInterface
public String getServers() {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
return prefs.getString(KEY_SERVERS, "[]");
}
@JavascriptInterface
public String getActiveServerId() {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
return prefs.getString(KEY_ACTIVE_SERVER, "");
}
@JavascriptInterface
public String getServerById(String serverId) {
String serversJson = getServers();
// Parse JSON and find server by ID
// Return server JSON or "{}"
return "{}"; // Simplified
}
@JavascriptInterface
public void addServer(String serverJson) {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
String existingServers = prefs.getString(KEY_SERVERS, "[]");
// Parse existing servers, add new one, save back
// Simplified: just append to JSON array
SharedPreferences.Editor editor = prefs.edit();
editor.putString(KEY_SERVERS, existingServers); // Updated array
editor.apply();
}
@JavascriptInterface
public void updateServer(String serverJson) {
// Similar to addServer but replaces existing entry
}
@JavascriptInterface
public void deleteServer(String serverId) {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
String serversJson = getServers();
// Parse JSON, remove server with matching ID, save back
SharedPreferences.Editor editor = prefs.edit();
editor.putString(KEY_SERVERS, serversJson); // Updated array
editor.apply();
}
@JavascriptInterface
public void setActiveServer(String serverId) {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(KEY_ACTIVE_SERVER, serverId);
editor.apply();
// Also update the server URL for game to use
String serverUrl = getServerUrlById(serverId);
if (!serverUrl.isEmpty()) {
editor.putString("active_server_url", serverUrl);
editor.apply();
}
}
@JavascriptInterface
public String getActiveServerUrl() {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
return prefs.getString("active_server_url", "");
}
@JavascriptInterface
public void showToast(final String message) {
Handler handler = new Handler(Looper.getMainLooper());
handler.post(new Runnable() {
@Override
public void run() {
Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
}
});
}
@JavascriptInterface
public void pingServer(final String serverId, final String url) {
// Run in background thread
new Thread(new Runnable() {
@Override
public void run() {
boolean isOnline = testServerConnection(url);
// Call JavaScript callback: updateServerStatus(serverId, isOnline)
}
}).start();
}
@JavascriptInterface
public void testConnection(final String url) {
new Thread(new Runnable() {
@Override
public void run() {
boolean isOnline = testServerConnection(url);
// Call JavaScript: showTestResult(message, success)
}
}).start();
}
@JavascriptInterface
public void openServerEdit(String serverId) {
// Store editing server ID
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
editor.putString("editing_server_id", serverId);
editor.apply();
// Launch ServerEditActivity
// Intent intent = new Intent(context, ServerEditActivity.class);
// context.startActivity(intent);
}
@JavascriptInterface
public String getEditingServerId() {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
return prefs.getString("editing_server_id", "");
}
@JavascriptInterface
public void goBackToServerList() {
// Finish current activity and return to server list
}
@JavascriptInterface
public void closeScreen() {
// Close the WebView activity
}
private boolean testServerConnection(String urlString) {
try {
URL url = new URL(urlString + "/director");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setConnectTimeout(5000);
conn.setReadTimeout(5000);
int responseCode = conn.getResponseCode();
conn.disconnect();
return responseCode >= 200 && responseCode < 400;
} catch (Exception e) {
return false;
}
}
private String getServerUrlById(String serverId) {
String serversJson = getServers();
// Parse JSON and find server URL by ID
return ""; // Simplified
}
}
```
### 2. CommunityServersActivity.java
WebView host for the server list.
```java
package com.community;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebSettings;
public class CommunityServersActivity extends Activity {
private WebView webView;
private CommunityServerManager serverManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Create WebView
webView = new WebView(this);
setContentView(webView);
// Configure WebView
WebSettings settings = webView.getSettings();
settings.setJavaScriptEnabled(true);
settings.setDomStorageEnabled(true);
settings.setAllowFileAccess(true);
// Add JavaScript interface
serverManager = new CommunityServerManager(this);
webView.addJavascriptInterface(serverManager, "AndroidInterface");
// Load HTML from assets
webView.loadUrl("file:///android_asset/community_servers_list.html");
}
@Override
public void onBackPressed() {
super.onBackPressed();
finish();
}
}
```
### 3. ServerEditActivity.java
WebView host for the server edit form.
```java
package com.community;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebSettings;
public class ServerEditActivity extends Activity {
private WebView webView;
private CommunityServerManager serverManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
webView = new WebView(this);
setContentView(webView);
WebSettings settings = webView.getSettings();
settings.setJavaScriptEnabled(true);
settings.setDomStorageEnabled(true);
serverManager = new CommunityServerManager(this);
webView.addJavascriptInterface(serverManager, "AndroidInterface");
webView.loadUrl("file:///android_asset/community_server_edit.html");
}
}
```
## Patching SynergyEnvironmentImpl
The game needs to check for active server URL when initializing network environment.
### Original Code (SynergyEnvironmentImpl.java)
```java
public String getEnvironmentUrls() {
// Original EA server URLs
return "https://rr3-prod.ea.com";
}
```
### Patched Code
```java
public String getEnvironmentUrls() {
// Check for community server override
SharedPreferences prefs = context.getSharedPreferences(
"com.ea.games.r3_row_preferences",
Context.MODE_PRIVATE
);
String communityServerUrl = prefs.getString("active_server_url", "");
if (!communityServerUrl.isEmpty()) {
// Use community server
return communityServerUrl;
}
// Fall back to EA servers
return "https://rr3-prod.ea.com";
}
```
## Converting to Smali
To convert these Java classes to Smali:
1. **Write the Java code** in a new Android project
2. **Compile to bytecode** (.class files)
3. **Convert to Smali** using:
```bash
javac -source 1.7 -target 1.7 CommunityServerManager.java
baksmali d CommunityServerManager.class -o output/
```
4. **Copy .smali files** to APK's `smali/com/community/` directory
## Key Smali Patterns
### JavascriptInterface Annotation
```smali
.annotation runtime Landroid/webkit/JavascriptInterface;
.end annotation
```
### SharedPreferences Access
```smali
const-string v1, "com.ea.games.r3_row_preferences"
const/4 v2, 0x0
invoke-virtual {v0, v1, v2}, Landroid/content/Context;->getSharedPreferences(Ljava/lang/String;I)Landroid/content/SharedPreferences;
move-result-object v0
```
### String Operations
```smali
const-string v1, "community_servers"
const-string v2, "[]"
invoke-interface {v0, v1, v2}, Landroid/content/SharedPreferences;->getString(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
move-result-object v0
return-object v0
```
## Testing
After adding smali files:
1. Rebuild APK with `apktool b`
2. Sign APK
3. Install on device
4. Test with:
```bash
adb shell am start -n com.ea.games.r3_row/com.community.CommunityServersActivity
```
5. Check logcat for errors:
```bash
adb logcat | grep -E "(Community|WebView|JavaScript)"
```
## Debugging Tips
- Use `android.util.Log` liberally in Java code
- Test each method individually via JavaScript console
- Verify SharedPreferences with:
```bash
adb shell run-as com.ea.games.r3_row cat shared_prefs/com.ea.games.r3_row_preferences.xml
```
- Use Chrome DevTools to debug WebView:
1. Enable WebView debugging in code
2. Open `chrome://inspect` on PC
3. Connect device and inspect WebView
## Notes
- All JavaScript interfaces must run on UI thread or handle threading manually
- JSON parsing can use `org.json.JSONObject` and `org.json.JSONArray`
- Network operations MUST be on background thread
- WebView file access requires proper permissions in manifest
---
**This reference provides the Java structure needed to generate correct Smali code for the server browser system.**