Simple Refactoring MainActivity

AppConfig.java

@@ -0,0 +1,74 @@
+/*
+ * SiYuan - 源于思考,饮水思源
+ * Copyright (c) 2020-present, b3log.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.b3log.siyuan;
+
+/**
+ * Application configuration constants.
+ * 应用配置常量
+ *
+ * @author <a href="https://88250.b3log.org">Liang Ding</a>
+ * @version 1.0.0.0, Jan 27, 2026
+ * @since 3.5.5
+ */
+public final class AppConfig {
+
+    // Network / 网络配置
+    public static final int KERNEL_PORT = 6806;
+    public static final int DEFAULT_ASYNC_SERVER_PORT = 6906;
+    public static final String KERNEL_BASE_URL = "http://127.0.0.1:" + KERNEL_PORT;
+    public static final String KERNEL_BOOT_URL = KERNEL_BASE_URL + "/appearance/boot/index.html?v=" + Utils.version;
+
+    // Timeouts / 超时配置
+    public static final long KERNEL_BOOT_CHECK_INTERVAL_MS = 10;
+    public static final long KEEP_ALIVE_DURATION_MS = 45 * 1000;
+
+    // Paths / 路径配置
+    public static final String APP_ZIP = "app.zip";
+    public static final String APP_DIR = "/app";
+    public static final String APP_VERSION_FILE = "VERSION";
+    public static final String DATA_ASSETS_DIR = "data/assets";
+
+    // Colors / 颜色配置
+    public static final String DEFAULT_DARK_COLOR = "#1e1e1e";
+    public static final String DEFAULT_STATUS_BAR_COLOR = "#1e1e1e";
+    public static final String DEFAULT_FALLBACK_COLOR = "#212224";
+
+    // Request codes / 请求代码
+    public static final int REQUEST_SELECT_FILE = 100;
+    public static final int REQUEST_CAMERA = 101;
+
+    // WebView / WebView 配置
+    public static final int MIN_WEBVIEW_VERSION = 95;
+    public static final int WEBVIEW_TEXT_ZOOM = 100;
+    public static final String USER_AGENT_PREFIX = "SiYuan/";
+    public static final String USER_AGENT_SUFFIX = " https://b3log.org/siyuan Android ";
+
+    // API endpoints / API 端点
+    public static final String API_WALK_DIR = "/api/walkDir";
+    public static final String API_SYNC_PERFORM = KERNEL_BASE_URL + "/api/sync/performSync";
+
+    // JavaScript bridge / JavaScript 桥接
+    public static final String JS_INTERFACE_NAME = "JSAndroid";
+
+    // Feature flags / 功能标志
+    public static final String FEATURE_AI = "ai";
+
+    private AppConfig() {
+        // Prevent instantiation / 防止实例化
+    }
+}

app/src/main/AndroidManifest.xml

@@ -47,7 +47,7 @@
         tools:targetApi="tiramisu">
 
         <activity
-            android:name=".BootActivity"
+            android:name=".activity.BootActivity"
             android:autoRemoveFromRecents="true"
             android:configChanges="orientation|screenSize"
             android:exported="true"
@@ -83,7 +83,7 @@
         </activity>
 
         <activity
-            android:name=".RedirectUriReceiverActivity"
+            android:name=".activity.RedirectUriReceiverActivity"
             android:excludeFromRecents="true"
             android:exported="true"
             android:noHistory="true"
@@ -101,7 +101,7 @@
         </activity>
 
         <activity
-            android:name=".MainActivity"
+            android:name=".activity.MainActivity"
             android:autoRemoveFromRecents="true"
             android:configChanges="keyboard|keyboardHidden|screenLayout|uiMode|orientation|screenSize|smallestScreenSize"
             android:hardwareAccelerated="true"
@@ -177,15 +177,15 @@
         -->
 
         <service
-            android:name=".KeepLiveService"
+            android:name=".service.KeepLiveService"
             android:foregroundServiceType="specialUse">
             <property
                 android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
                 android:value="hosting" />
         </service>
 
         <!-- 监听系统广播以实现预约通知 -->
-        <receiver android:name=".NotificationReceiver" />
+        <receiver android:name=".service.NotificationReceiver" />
 
         <!--
             Support opening assets through other apps on the Android

app/src/main/java/org/b3log/siyuan/BootActivity.java → app/src/main/java/org/b3log/siyuan/activity/BootActivity.java

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-package org.b3log.siyuan;
+package org.b3log.siyuan.activity;
 
 import android.app.AlertDialog;
 import android.content.ClipData;
@@ -40,6 +40,8 @@
 import com.blankj.utilcode.util.BarUtils;
 
 import org.apache.commons.io.FileUtils;
+import org.b3log.siyuan.R;
+import org.b3log.siyuan.util.Utils;
 
 import java.io.File;
 import java.util.HashSet;