改进UI: 更新设置页面图标，添加关于弹窗，优化镜像更新功能

catvod/src/main/java/com/github/catvod/utils/Github.java

@@ -1,18 +1,118 @@
 package com.github.catvod.utils;
 
+import android.os.SystemClock;
+
+import com.github.catvod.net.OkHttp;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
+import okhttp3.Call;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
 public class Github {
 
-    public static final String URL = "https://github.com/Tosencen/XMBOX";
+    public static final String URL = "https://raw.githubusercontent.com/Tosencen/XMBOX/main";
+    public static final String API_URL = "https://api.github.com/repos/Tosencen/XMBOX/releases/latest";
+    
+    // 国内镜像地址 - 使用Gitee作为示例，实际应替换为您的镜像地址
+    public static final String CN_URL = "https://gitee.com/tosencen/XMBOX/raw/main";
+    public static final String CN_API_URL = "https://gitee.com/api/v5/repos/tosencen/XMBOX/releases/latest";
+    
+    // 存储测速结果
+    private static Boolean useCnMirror = null;
+    private static long lastCheckTime = 0;
+    private static final long CHECK_INTERVAL = 24 * 60 * 60 * 1000; // 24小时
 
     private static String getUrl(String path, String name) {
         return URL + "/" + path + "/" + name;
     }
+    
+    private static String getCnUrl(String path, String name) {
+        return CN_URL + "/" + path + "/" + name;
+    }
+
+    public static String getReleaseApi() {
+        return useCnMirror() ? CN_API_URL : API_URL;
+    }
 
     public static String getJson(boolean dev, String name) {
-        return getUrl("apk/" + (dev ? "dev" : "release"), name + ".json");
+        if (useCnMirror()) {
+            return getCnUrl("apk/" + (dev ? "dev" : "release"), name + ".json");
+        } else {
+            return getUrl("apk/" + (dev ? "dev" : "release"), name + ".json");
+        }
     }
 
     public static String getApk(boolean dev, String name) {
-        return getUrl("apk/" + (dev ? "dev" : "release"), name + ".apk");
+        if (useCnMirror()) {
+            return getCnUrl("apk/" + (dev ? "dev" : "release"), name + ".apk");
+        } else {
+            return getUrl("apk/" + (dev ? "dev" : "release"), name + ".apk");
+        }
+    }
+    
+    // 智能检测是否使用国内镜像
+    public static boolean useCnMirror() {
+        // 如果已经测试过并且在24小时内，直接返回上次的结果
+        long currentTime = SystemClock.elapsedRealtime();
+        if (useCnMirror != null && (currentTime - lastCheckTime < CHECK_INTERVAL)) {
+            return useCnMirror;
+        }
+        
+        // 进行网络测速
+        useCnMirror = testMirrorSpeed();
+        lastCheckTime = currentTime;
+        return useCnMirror;
+    }
+    
+    // 测试镜像速度
+    private static boolean testMirrorSpeed() {
+        try {
+            OkHttpClient client = new OkHttpClient.Builder()
+                    .connectTimeout(3, TimeUnit.SECONDS)
+                    .readTimeout(3, TimeUnit.SECONDS)
+                    .build();
+            
+            // 测试国际源
+            long startTime = System.currentTimeMillis();
+            boolean intlSuccess = testUrl(client, URL + "/README.md");
+            long intlTime = System.currentTimeMillis() - startTime;
+            
+            // 测试国内源
+            startTime = System.currentTimeMillis();
+            boolean cnSuccess = testUrl(client, CN_URL + "/README.md");
+            long cnTime = System.currentTimeMillis() - startTime;
+            
+            // 如果两个都成功，选择更快的
+            if (intlSuccess && cnSuccess) {
+                return cnTime < intlTime;
+            }
+            
+            // 如果只有一个成功，选择成功的那个
+            if (intlSuccess) return false;
+            if (cnSuccess) return true;
+            
+            // 如果都失败，默认国际源
+            return false;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return false; // 出错时默认使用国际源
+        }
+    }
+    
+    private static boolean testUrl(OkHttpClient client, String url) {
+        Request request = new Request.Builder().url(url).build();
+        Call call = client.newCall(request);
+        try {
+            Response response = call.execute();
+            boolean success = response.isSuccessful();
+            response.close();
+            return success;
+        } catch (IOException e) {
+            return false;
+        }
     }
 }