<powerbell>APK 15.15.26 release Publish.

1. 悬浮窗新增点击事件
   - 点击悬浮窗打开应用主窗口 MainActivity
   - 打开主窗口后保持悬浮窗显示

2. 悬浮窗新增应用标题
   - 显示 strings.xml 中的 app_name 字符串
   - 标题样式加粗16sp，与内容区分

powerbell/build.gradle

@@ -21,6 +21,12 @@ android {
     // 适配MIUI12
 	compileSdkVersion 30
     buildToolsVersion "30.0.3"
+
+    // 确保 Java 7 兼容性（已适配项目技术栈）
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
 	
     defaultConfig {
         applicationId "cc.winboll.studio.powerbell"
@@ -36,7 +42,10 @@ android {
         }
     }
 
-
+    packagingOptions {
+        exclude 'META-INF/NOTICE.md'
+        exclude 'META-INF/LICENSE.md'
+    }
 }
 
 dependencies {
@@ -75,7 +84,7 @@ dependencies {
     //api 'androidx.fragment:fragment:1.1.0'
     
 	// WinBoLL库 nexus.winboll.cc 地址
-	api 'cc.winboll.studio:libaes:15.20.18'
+	api 'cc.winboll.studio:libaes:15.20.21'
     api 'cc.winboll.studio:libappbase:15.20.34'
 	
 	// WinBoLL备用库 jitpack.io 地址
@@ -84,4 +93,8 @@ dependencies {
 	
     //api fileTree(dir: 'libs', include: ['*.aar'])
     api fileTree(dir: 'libs', include: ['*.jar'])
+
+    // JavaMail（APPMSGMailUtils 发送邮件依赖，Android 专用版）
+    implementation 'com.sun.mail:android-mail:1.6.7'
+    implementation 'com.sun.mail:android-activation:1.6.7'
 }

powerbell/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sun Jul 12 10:33:40 HKT 2026
-stageCount=19
+#Sat Jul 18 10:40:59 HKT 2026
+stageCount=27
 libraryProject=
 baseVersion=15.15
-publishVersion=15.15.18
+publishVersion=15.15.26
 buildCount=0
-baseBetaVersion=15.15.19
+baseBetaVersion=15.15.27

powerbell/proguard-rules.pro

@@ -60,6 +60,22 @@
 -dontwarn java.util.function.**
 
 # ============================== 第三方框架专项规则 ==============================
+# JavaMail / SMTP 邮件发送（APPMSGMailUtils 依赖，防止 R8 混淆导致 SMTP 发送失败）
+-keep class javax.mail.** { *; }
+-keep class javax.mail.internet.** { *; }
+-keep class javax.activation.** { *; }
+-keep class com.sun.mail.** { *; }
+-keep class com.sun.mail.util.** { *; }
+-keep class com.sun.mail.smtp.** { *; }
+-keep class com.sun.mail.pop3.** { *; }
+-keep class com.sun.mail.imap.** { *; }
+-dontwarn javax.mail.**
+-dontwarn javax.activation.**
+-dontwarn com.sun.mail.**
+-dontwarn java.awt.**
+-dontwarn javax.naming.**
+-dontwarn javax.net.ssl.**
+
 # OkHttp 4.4.1（米盟广告请求依赖，完善Lambda兼容）
 -keep class okhttp3.** { *; }
 -keep interface okhttp3.** { *; }

powerbell/src/main/java/cc/winboll/studio/powerbell/activities/AboutActivity.java

@@ -68,7 +68,7 @@ public class AboutActivity extends WinBoLLActivity {
         appInfo.setAppName(getString(R.string.app_name));
         appInfo.setAppIcon(R.drawable.ic_winboll);
         appInfo.setAppDescription(getString(R.string.app_description));
-        appInfo.setAppGitName("MyWinBoLL");
+        appInfo.setAppGitName("PowerBell");
         appInfo.setAppGitOwner("ZhanGSKen");
         appInfo.setAppGitAPPBranch(branchName);
         appInfo.setAppGitAPPSubProjectFolder(branchName);

powerbell/src/main/java/cc/winboll/studio/powerbell/activities/SettingsActivity.java

@@ -14,10 +14,16 @@ import android.widget.Toast;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.Toolbar;
 import cc.winboll.studio.libaes.interfaces.IWinBoLLActivity;
+import cc.winboll.studio.libaes.views.SMTPConfigView;
 import cc.winboll.studio.libappbase.LogUtils;
 import cc.winboll.studio.libappbase.ToastUtils;
 import cc.winboll.studio.powerbell.R;
 import cc.winboll.studio.powerbell.models.ThoughtfulServiceBean;
+import cc.winboll.studio.powerbell.utils.ChargeMailNotifyHelper;
+import cc.winboll.studio.powerbell.utils.ChargeMailNotifyFloatWindow;
+import cc.winboll.studio.powerbell.threads.RemindThread;
+import cc.winboll.studio.powerbell.services.ControlCenterService;
+import android.widget.Switch;
 import java.lang.reflect.Field;
 
 /**
@@ -40,6 +46,8 @@ public class SettingsActivity extends WinBoLLActivity implements IWinBoLLActivit
     private CheckBox cbUseageTtsBattary; // 用电TTS带电量提醒（子开关）
     private CheckBox cbChargeTtsBattary; // 充电TTS带电量提醒（子开关）
     private CheckBox cbTtsWhenNotifyBattery; // 👉 新增：通知电量时同时播放TTS
+    private Switch switchChargeMailNotify;   // 充电邮件通知主开关
+    private SMTPConfigView smtpConfigView;  // SMTP邮件配置视图
 
     // ======================== 接口实现区 =========================
     @Override
@@ -62,6 +70,8 @@ public class SettingsActivity extends WinBoLLActivity implements IWinBoLLActivit
         initToolbar();
         initTtsCheckBoxes();
         initTtsCheckBoxStatus();
+        initSMTPConfigView();
+        initChargeMailNotifySwitch();
 
         LogUtils.d(TAG, "onCreate: 应用设置页面初始化完成");
     }
@@ -126,6 +136,50 @@ public class SettingsActivity extends WinBoLLActivity implements IWinBoLLActivit
         LogUtils.d(TAG, "initTtsCheckBoxStatus: TTS复选框状态初始化完成");
     }
 
+    /**
+     * 初始化充电邮件通知开关
+     */
+    private void initChargeMailNotifySwitch() {
+        LogUtils.d(TAG, "initChargeMailNotifySwitch: 充电邮件通知开关初始化开始");
+        switchChargeMailNotify = findViewById(R.id.switchChargeMailNotify);
+        boolean enabled = ChargeMailNotifyHelper.isEnabled(this);
+        switchChargeMailNotify.setChecked(enabled);
+        updateSMTPConfigViewEnabled(enabled);
+        LogUtils.d(TAG, "initChargeMailNotifySwitch: 充电邮件通知开关初始化完成，状态=" + enabled);
+    }
+
+    /**
+     * 初始化SMTP邮件配置视图
+     */
+    private void initSMTPConfigView() {
+        LogUtils.d(TAG, "initSMTPConfigView: SMTP邮件配置视图初始化开始");
+        smtpConfigView = findViewById(R.id.smtp_config_view);
+        LogUtils.d(TAG, "initSMTPConfigView: SMTP邮件配置视图初始化完成");
+    }
+
+    /**
+     * 更新SMTP配置视图的启用状态
+     */
+    private void updateSMTPConfigViewEnabled(boolean enabled) {
+        LogUtils.d(TAG, "updateSMTPConfigViewEnabled: 设置SMTPConfigView启用状态=" + enabled);
+        smtpConfigView.setEnabled(enabled);
+        // 递归设置子控件的启用状态
+        setViewAndChildrenEnabled(smtpConfigView, enabled);
+    }
+
+    /**
+     * 递归设置View及其所有子控件的启用状态
+     */
+    private void setViewAndChildrenEnabled(View view, boolean enabled) {
+        view.setEnabled(enabled);
+        if (view instanceof android.view.ViewGroup) {
+            android.view.ViewGroup group = (android.view.ViewGroup) view;
+            for (int i = 0; i < group.getChildCount(); i++) {
+                setViewAndChildrenEnabled(group.getChildAt(i), enabled);
+            }
+        }
+    }
+
     // ======================== 事件响应区 =========================
     /**
      * 悬浮窗权限检查入口
@@ -201,6 +255,29 @@ public class SettingsActivity extends WinBoLLActivity implements IWinBoLLActivit
         LogUtils.d(TAG, "onEnableTtsWhenNotifyBattery: 保存完成");
     }
 
+    /**
+     * 充电邮件通知开关点击事件
+     */
+    public void onChargeMailNotifySwitchChanged(View view) {
+        boolean isChecked = switchChargeMailNotify.isChecked();
+        LogUtils.d(TAG, "onChargeMailNotifySwitchChanged: 充电邮件通知开关状态=" + isChecked);
+        ChargeMailNotifyHelper.setEnabled(this, isChecked);
+        updateSMTPConfigViewEnabled(isChecked);
+        if (isChecked) {
+            // 开启时重启ControlCenterService
+            LogUtils.d(TAG, "onChargeMailNotifySwitchChanged: 开启充电邮件通知，重启ControlCenterService");
+            stopService(new Intent(this, ControlCenterService.class));
+            startService(new Intent(this, ControlCenterService.class));
+        } else {
+            // 关闭时停止RemindThread并关闭悬浮窗
+            LogUtils.d(TAG, "onChargeMailNotifySwitchChanged: 关闭充电邮件通知，停止RemindThread");
+            RemindThread.stopRemindThread();
+            LogUtils.d(TAG, "onChargeMailNotifySwitchChanged: 关闭充电邮件通知悬浮窗");
+            ChargeMailNotifyFloatWindow.dismissWindow();
+        }
+        LogUtils.d(TAG, "onChargeMailNotifySwitchChanged: 状态保存完成");
+    }
+
     // ======================== 工具方法区 =========================
     /**
      * 获取配置Bean实例，避免重复代码

powerbell/src/main/java/cc/winboll/studio/powerbell/handlers/ControlCenterServiceHandler.java

@@ -3,10 +3,12 @@ package cc.winboll.studio.powerbell.handlers;
 import android.os.Handler;
 import android.os.Message;
 import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.libappbase.ToastUtils;
 import cc.winboll.studio.powerbell.models.NotificationMessage;
 import cc.winboll.studio.powerbell.models.ThoughtfulServiceBean;
 import cc.winboll.studio.powerbell.services.ControlCenterService;
 import cc.winboll.studio.powerbell.threads.TTSRemindThread;
+import cc.winboll.studio.powerbell.utils.ChargeMailNotifyHelper;
 import java.lang.ref.WeakReference;
 
 /**
@@ -85,11 +87,7 @@ public class ControlCenterServiceHandler extends Handler {
     private void handleRemindMessage(ControlCenterService service, String remindType, int currentBattery, boolean isCharging) {
         LogUtils.d(TAG, "handleRemindMessage: 开始处理提醒消息 | type=" + remindType + " | battery=" + currentBattery + " | isCharging=" + isCharging);
 
-        // 1. 前置校验：通知工具类+参数有效性
-        if (service.getNotificationManager() == null) {
-            LogUtils.e(TAG, "handleRemindMessage: 通知管理工具类未初始化，无法发送提醒");
-            return;
-        }
+        // 1. 前置校验：参数有效性
         if (!REMIND_TYPE_CHARGE.equals(remindType) && !REMIND_TYPE_USAGE.equals(remindType)) {
             LogUtils.w(TAG, "handleRemindMessage: 提醒类型无效，忽略 | type=" + remindType + " | 允许值：" + REMIND_TYPE_CHARGE + "/" + REMIND_TYPE_USAGE);
             return;
@@ -99,24 +97,40 @@ public class ControlCenterServiceHandler extends Handler {
             return;
         }
 
-        // 2. 构建通知模型，使用统一格式
-        NotificationMessage remindMsg = new NotificationMessage();
+        // 2. 构建提醒内容
         String chargeStateDesc = isCharging ? CHARGE_STATE_CHARGING : CHARGE_STATE_NOT_CHARGING;
+        String content;
         if (REMIND_TYPE_CHARGE.equals(remindType)) {
-            remindMsg.setTitle(CHARGE_REMIND_TITLE);
-            remindMsg.setContent(String.format(CHARGE_REMIND_CONTENT_FORMAT, currentBattery, chargeStateDesc));
-            remindMsg.setRemindMSG("charge_remind");
+            content = String.format(CHARGE_REMIND_CONTENT_FORMAT, currentBattery, chargeStateDesc);
         } else {
-            remindMsg.setTitle(USAGE_REMIND_TITLE);
-            remindMsg.setContent(String.format(USAGE_REMIND_CONTENT_FORMAT, currentBattery, chargeStateDesc));
-            remindMsg.setRemindMSG("usage_remind");
+            content = String.format(USAGE_REMIND_CONTENT_FORMAT, currentBattery, chargeStateDesc);
         }
-        LogUtils.d(TAG, "handleRemindMessage: 通知模型构建完成 | title=" + remindMsg.getTitle() + " | content=" + remindMsg.getContent());
+        LogUtils.d(TAG, "handleRemindMessage: 提醒内容构建完成 | content=" + content);
 
-        // 3. 调用通知工具类发送提醒
-        LogUtils.d(TAG, "handleRemindMessage: 调用通知工具类发送提醒 | remindMSG=" + remindMsg.getRemindMSG());
-        service.getNotificationManager().showRemindNotification(service, remindMsg);
-        LogUtils.d(TAG, "handleRemindMessage: 提醒通知发送流程执行完毕");
+        // 3. 根据 ChargeMailNotify 状态选择提醒方式
+        if (ChargeMailNotifyHelper.isEnabled(service)) {
+            // 启用邮件通知时，使用 Toast 代替通知栏
+            LogUtils.d(TAG, "handleRemindMessage: 充电邮件通知已启用，使用 Toast 提醒");
+            ToastUtils.show(content);
+        } else {
+            // 未启用邮件通知时，使用通知栏提醒
+            if (service.getNotificationManager() == null) {
+                LogUtils.e(TAG, "handleRemindMessage: 通知管理工具类未初始化，无法发送提醒");
+                return;
+            }
+            NotificationMessage remindMsg = new NotificationMessage();
+            if (REMIND_TYPE_CHARGE.equals(remindType)) {
+                remindMsg.setTitle(CHARGE_REMIND_TITLE);
+                remindMsg.setRemindMSG("charge_remind");
+            } else {
+                remindMsg.setTitle(USAGE_REMIND_TITLE);
+                remindMsg.setRemindMSG("usage_remind");
+            }
+            remindMsg.setContent(content);
+            LogUtils.d(TAG, "handleRemindMessage: 调用通知工具类发送提醒 | remindMSG=" + remindMsg.getRemindMSG());
+            service.getNotificationManager().showRemindNotification(service, remindMsg);
+        }
+        LogUtils.d(TAG, "handleRemindMessage: 提醒流程执行完毕");
     }
 }
 

powerbell/src/main/java/cc/winboll/studio/powerbell/services/ControlCenterService.java

@@ -18,6 +18,8 @@ import cc.winboll.studio.powerbell.models.NotificationMessage;
 import cc.winboll.studio.powerbell.receivers.ControlCenterServiceReceiver;
 import cc.winboll.studio.powerbell.threads.RemindThread;
 import cc.winboll.studio.powerbell.utils.NotificationManagerUtils;
+import cc.winboll.studio.powerbell.utils.ChargeMailNotifyHelper;
+import cc.winboll.studio.powerbell.utils.ChargeMailNotifyFloatWindow;
 import java.util.List;
 
 /**
@@ -93,9 +95,10 @@ public class ControlCenterService extends Service {
         LogUtils.d(TAG, "onDestroy() 执行：服务销毁流程启动");
         super.onDestroy();
 
-        // 资源释放顺序：前台服务 → 线程 → 广播接收器 → Handler → 通知 → 引用（避免内存泄漏）
+        // 资源释放顺序：前台服务 → 线程 → 悬浮窗 → 广播接收器 → Handler → 通知 → 引用（避免内存泄漏）
         stopForegroundService();
         RemindThread.stopRemindThread();
+        ChargeMailNotifyFloatWindow.dismissWindow();
         releaseBroadcastReceiver();
         destroyHandler();
         releaseNotificationResource();
@@ -220,6 +223,19 @@ public class ControlCenterService extends Service {
     }
 
     // ====================== 业务组件初始化与销毁（Handler/广播/线程等） ======================
+    /**
+     * 检查充电邮件通知功能，启用时显示悬浮窗提示
+     */
+    private void checkChargeMailNotifyAndShowFloatWindow() {
+        LogUtils.d(TAG, "checkChargeMailNotifyAndShowFloatWindow() 执行");
+        if (ChargeMailNotifyHelper.isEnabled(this)) {
+            LogUtils.d(TAG, "checkChargeMailNotifyAndShowFloatWindow() | 充电邮件通知功能已启用，显示悬浮窗");
+            ChargeMailNotifyFloatWindow.getInstance(this).show();
+        } else {
+            LogUtils.d(TAG, "checkChargeMailNotifyAndShowFloatWindow() | 充电邮件通知功能未启用，跳过悬浮窗");
+        }
+    }
+
     /**
      * 初始化Handler等核心业务组件
      */
@@ -240,6 +256,8 @@ public class ControlCenterService extends Service {
         } else {
             LogUtils.d(TAG, "initServiceBusinessLogic() | 广播接收器已存在");
         }
+        // 检查充电邮件通知功能，启用时显示悬浮窗提示
+        checkChargeMailNotifyAndShowFloatWindow();
     }
 
     /**

powerbell/src/main/java/cc/winboll/studio/powerbell/threads/APPMSGMailRemindThread.java

@@ -0,0 +1,115 @@
+package cc.winboll.studio.powerbell.threads;
+
+import android.content.Context;
+import cc.winboll.studio.libaes.utils.APPMSGMailUtils;
+import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.powerbell.App;
+
+/**
+ * APPMSG 邮件通知提醒线程（单例 + 继承 Thread）
+ * 功能：定时每30秒调用 APPMSGMailUtils 发送电量状态邮件给预设收件人
+ * 适配：Java7 | API30
+ * @Author ZhanGSKen<zhangsken@qq.com>
+ * @Date 2026/07/17
+ */
+public class APPMSGMailRemindThread extends Thread {
+
+    public static final String TAG = "APPMSGMailRemindThread";
+
+    // 邮件发送间隔（毫秒）
+    private static final long MAIL_SEND_INTERVAL = 10000;
+
+    // 单例实例
+    private static APPMSGMailRemindThread sInstance;
+
+    // 运行标志
+    private volatile boolean mIsRunning = false;
+    private volatile int mBattery;
+    private volatile boolean mIsCharging;
+
+    private Context mContext;
+
+    /**
+     * 私有构造，单例禁用外部 new
+     */
+    private APPMSGMailRemindThread(Context context) {
+        this.mContext = context.getApplicationContext();
+    }
+
+    /**
+     * 获取单例（DCL 双重校验）
+     */
+    public static APPMSGMailRemindThread getInstance(Context context) {
+        if (sInstance == null) {
+            synchronized (APPMSGMailRemindThread.class) {
+                if (sInstance == null) {
+                    sInstance = new APPMSGMailRemindThread(context);
+                }
+            }
+        }
+        return sInstance;
+    }
+
+    /**
+     * 对外静态启动入口
+     */
+    public static void start(Context context, int battery, boolean isCharging) {
+        APPMSGMailRemindThread instance = getInstance(context);
+        instance.mBattery = battery;
+        instance.mIsCharging = isCharging;
+        if (!instance.mIsRunning) {
+            LogUtils.d(TAG, "start() 邮件提醒线程启动");
+            instance.mIsRunning = true;
+            instance.start();
+        }
+    }
+
+    /**
+     * 对外静态停止入口
+     */
+    public static void stopMail() {
+        if (sInstance != null) {
+            LogUtils.d(TAG, "stopMail() 邮件提醒线程停止");
+            sInstance.mIsRunning = false;
+            sInstance = null;
+        }
+    }
+
+    /**
+     * 线程主逻辑：定时发送邮件
+     */
+    @Override
+    public void run() {
+        super.run();
+        LogUtils.d(TAG, "run() 邮件线程已开始循环");
+
+        while (mIsRunning) {
+            try {
+                String chargingText = mIsCharging ? "充电" : "用电";
+                String subject = "PowerBell 电量状态通知";
+                String content = String.format(
+                    "当前状态：%s，电量为百分之%d",
+                    chargingText, mBattery);
+                String recipient = APPMSGMailUtils.getRecipient(mContext);
+
+                LogUtils.d(TAG, String.format("run() 发送邮件 | 收件人：%s | 内容：%s", recipient, content));
+                APPMSGMailUtils.sendMail(mContext, subject, content, recipient);
+
+                sleep(MAIL_SEND_INTERVAL);
+            } catch (InterruptedException e) {
+                LogUtils.e(TAG, "邮件线程被中断", e);
+                break;
+            }
+        }
+
+        mIsRunning = false;
+        LogUtils.d(TAG, "run() 邮件线程已退出");
+    }
+
+    /**
+     * 是否正在运行
+     */
+    public boolean isRunning() {
+        return mIsRunning;
+    }
+}

powerbell/src/main/java/cc/winboll/studio/powerbell/threads/RemindThread.java

@@ -6,6 +6,7 @@ import cc.winboll.studio.libappbase.LogUtils;
 import cc.winboll.studio.powerbell.App;
 import cc.winboll.studio.powerbell.handlers.ControlCenterServiceHandler;
 import cc.winboll.studio.powerbell.models.AppConfigBean;
+import cc.winboll.studio.powerbell.utils.ChargeMailNotifyHelper;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 
@@ -189,8 +190,14 @@ public class RemindThread extends Thread {
                     break;
                 }
 				
-				// 启动电量通知 TTS 语音提醒线程
-				TTSRemindThread.start(this.mContext, App.sQuantityOfElectricity, isCharging);
+				// 根据 ChargeMailNotify 功能状态选择提醒方式
+				if (ChargeMailNotifyHelper.isEnabled(this.mContext)) {
+					// 启用电邮件提醒，不使用 TTS
+					APPMSGMailRemindThread.start(this.mContext, App.sQuantityOfElectricity, isCharging);
+				} else {
+					// 未启用邮件提醒，使用 TTS 语音提醒
+					TTSRemindThread.start(this.mContext, App.sQuantityOfElectricity, isCharging);
+				}
 
                 // 安全休眠，保留中断标记
                 safeSleepInternal(sleepTime);
@@ -283,7 +290,12 @@ public class RemindThread extends Thread {
      */
     private void cleanThreadStateInternal() {
         LogUtils.d(TAG, String.format("cleanThreadStateInternal() 调用 | threadId=%d", getId()));
-		TTSRemindThread.stopTTS();
+			// 根据 ChargeMailNotify 功能状态停止对应的提醒线程
+			if (ChargeMailNotifyHelper.isEnabled(this.mContext)) {
+				APPMSGMailRemindThread.stopMail();
+			} else {
+				TTSRemindThread.stopTTS();
+			}
         isReminding = false;
         isExist = true;
         // 中断当前线程（如果存活）

powerbell/src/main/java/cc/winboll/studio/powerbell/utils/ChargeMailNotifyFloatWindow.java

@@ -0,0 +1,147 @@
+package cc.winboll.studio.powerbell.utils;
+
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.PixelFormat;
+import android.os.Build;
+import android.view.Gravity;
+import android.view.View;
+import android.view.WindowManager;
+import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.powerbell.R;
+import cc.winboll.studio.powerbell.MainActivity;
+
+/**
+ * 充电邮件通知悬浮窗工具类（单例）
+ * 功能：在服务启动时显示充电邮件通知已启用的悬浮提示
+ * 适配：Java7 | API30 | 悬浮窗权限检查
+ * @Author 豆包&ZhanGSKen<zhangsken@qq.com>
+ * @Date 2026年07月17日
+ */
+public class ChargeMailNotifyFloatWindow {
+    // ====================== 常量区 ======================
+    public static final String TAG = "ChargeMailNotifyFloatWindow";
+
+    // ====================== 单例实例 ======================
+    private static volatile ChargeMailNotifyFloatWindow sInstance;
+
+    // ====================== 成员变量 ======================
+    private Context mContext;
+    private WindowManager mWindowManager;
+    private View mView;
+
+    // ====================== 私有构造器（单例模式） ======================
+    private ChargeMailNotifyFloatWindow(Context context) {
+        LogUtils.d(TAG, "ChargeMailNotifyFloatWindow() 构造器调用");
+        this.mContext = context.getApplicationContext();
+        this.mWindowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
+        LogUtils.d(TAG, "ChargeMailNotifyFloatWindow() 构造完成");
+    }
+
+    // ====================== 单例获取入口（DCL双重检查锁） ======================
+    public static ChargeMailNotifyFloatWindow getInstance(Context context) {
+        if (sInstance == null) {
+            synchronized (ChargeMailNotifyFloatWindow.class) {
+                if (sInstance == null) {
+                    sInstance = new ChargeMailNotifyFloatWindow(context);
+                }
+            }
+        }
+        return sInstance;
+    }
+
+    // ====================== 对外公开方法 ======================
+    /**
+     * 显示充电邮件通知悬浮窗
+     */
+    public void show() {
+        LogUtils.d(TAG, "show() 调用");
+
+        // 检查悬浮窗权限
+        if (!checkOverlayPermission()) {
+            LogUtils.w(TAG, "show() 悬浮窗权限未授予，跳过显示");
+            return;
+        }
+
+        // 清理已存在的悬浮窗
+        dismiss();
+
+        try {
+            // 创建Window布局参数
+            WindowManager.LayoutParams params = new WindowManager.LayoutParams();
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                params.type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
+            } else {
+                params.type = WindowManager.LayoutParams.TYPE_PHONE;
+            }
+            params.alpha = 0.9f;
+            params.gravity = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
+            params.x = 0;
+            params.y = 100;
+            params.format = PixelFormat.RGBA_8888;
+            params.width = WindowManager.LayoutParams.WRAP_CONTENT;
+            params.height = WindowManager.LayoutParams.WRAP_CONTENT;
+            params.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+                | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
+
+            // 加载悬浮窗布局
+            mView = View.inflate(mContext, R.layout.view_charge_mail_notify, null);
+            // 点击悬浮窗打开主窗口
+            mView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    LogUtils.d(TAG, "onClick: 悬浮窗被点击，打开主窗口");
+                    Intent intent = new Intent(mContext, MainActivity.class);
+                    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                    mContext.startActivity(intent);
+                }
+            });
+            mWindowManager.addView(mView, params);
+            LogUtils.d(TAG, "show() 悬浮窗显示成功");
+        } catch (Exception e) {
+            LogUtils.e(TAG, "show() 悬浮窗显示异常", e);
+            mView = null;
+        }
+    }
+
+    /**
+     * 关闭悬浮窗（实例方法）
+     */
+    public void dismiss() {
+        LogUtils.d(TAG, "dismiss() 调用");
+
+        if (mWindowManager != null && mView != null) {
+            try {
+                mWindowManager.removeView(mView);
+                LogUtils.d(TAG, "dismiss() 悬浮窗移除成功");
+            } catch (Exception e) {
+                LogUtils.e(TAG, "dismiss() 悬浮窗移除异常", e);
+            } finally {
+                mView = null;
+            }
+        }
+    }
+
+    /**
+     * 关闭悬浮窗（静态公共方法，供外部调用）
+     */
+    public static void dismissWindow() {
+        LogUtils.d(TAG, "dismissWindow() 静态方法调用");
+        if (sInstance != null) {
+            sInstance.dismiss();
+        }
+    }
+
+    // ====================== 私有辅助方法 ======================
+    /**
+     * 检查悬浮窗权限
+     */
+    private boolean checkOverlayPermission() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            boolean hasPermission = android.provider.Settings.canDrawOverlays(mContext);
+            LogUtils.d(TAG, "checkOverlayPermission() 权限校验结果=" + hasPermission);
+            return hasPermission;
+        }
+        return true;
+    }
+}

powerbell/src/main/java/cc/winboll/studio/powerbell/utils/ChargeMailNotifyHelper.java

@@ -0,0 +1,44 @@
+package cc.winboll.studio.powerbell.utils;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import cc.winboll.studio.libappbase.LogUtils;
+
+/**
+ * 充电邮件通知功能开关管理类
+ * 适配 API30，基于 Java7 开发
+ * @Author 豆包&ZhanGSKen<zhangsken@qq.com>
+ * @Date 2026年07月17日
+ * @Describe 管理充电邮件通知功能的启用/关闭状态，使用SP持久化存储
+ */
+public class ChargeMailNotifyHelper {
+    // ======================== 静态常量区 =========================
+    private static final String TAG = "ChargeMailNotifyHelper";
+    private static final String SP_NAME = "charge_mail_notify_config";
+    private static final String SP_KEY_ENABLED = "charge_mail_notify_enabled";
+    private static final boolean DEFAULT_ENABLED = false;
+
+    // ======================== 静态方法区 =========================
+    /**
+     * 获取充电邮件通知功能是否启用
+     * @param context 上下文
+     * @return true=已启用，false=已关闭
+     */
+    public static boolean isEnabled(Context context) {
+        SharedPreferences sp = context.getSharedPreferences(SP_NAME, Context.MODE_PRIVATE);
+        boolean enabled = sp.getBoolean(SP_KEY_ENABLED, DEFAULT_ENABLED);
+        LogUtils.d(TAG, "isEnabled: " + enabled);
+        return enabled;
+    }
+
+    /**
+     * 设置充电邮件通知功能启用/关闭状态
+     * @param context 上下文
+     * @param enabled true=启用，false=关闭
+     */
+    public static void setEnabled(Context context, boolean enabled) {
+        SharedPreferences sp = context.getSharedPreferences(SP_NAME, Context.MODE_PRIVATE);
+        sp.edit().putBoolean(SP_KEY_ENABLED, enabled).apply();
+        LogUtils.d(TAG, "setEnabled: " + enabled);
+    }
+}

powerbell/src/main/res/layout/activity_settings.xml

@@ -153,6 +153,51 @@
 
 			</LinearLayout>
 
+			<LinearLayout
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_marginTop="10dp"
+				android:orientation="vertical"
+				android:background="@drawable/bg_frame"
+				android:padding="10dp">
+
+				<LinearLayout
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:orientation="horizontal"
+					android:gravity="center_vertical"
+					android:padding="5dp">
+
+					<TextView
+						android:layout_width="0dp"
+						android:layout_height="wrap_content"
+						android:layout_weight="1"
+						android:text="充电邮件通知服务"
+						android:textSize="16sp"/>
+
+					<Switch
+						android:id="@+id/switchChargeMailNotify"
+						android:layout_width="wrap_content"
+						android:layout_height="wrap_content"
+						android:onClick="onChargeMailNotifySwitchChanged"/>
+
+				</LinearLayout>
+
+				<TextView
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:text="开启后，充电状态变化时将通过邮件发送通知"
+					android:textSize="12sp"
+					android:paddingLeft="5dp"
+					android:paddingBottom="5dp"/>
+
+				<cc.winboll.studio.libaes.views.SMTPConfigView
+					android:id="@+id/smtp_config_view"
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"/>
+
+			</LinearLayout>
+
 			<LinearLayout
 				android:layout_width="match_parent"
 				android:layout_height="300dp"

powerbell/src/main/res/layout/view_charge_mail_notify.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:orientation="horizontal"
+	android:layout_width="wrap_content"
+	android:layout_height="wrap_content"
+	android:background="@drawable/bg_frame_white"
+	android:gravity="center_vertical"
+	android:padding="10dp"
+	android:id="@+id/viewChargeMailNotifyLinearLayout1">
+
+	<ImageView
+		android:layout_width="32dp"
+		android:layout_height="32dp"
+		android:src="@drawable/ic_email"
+		android:layout_marginRight="8dp"/>
+
+	<LinearLayout
+		android:orientation="vertical"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content">
+
+		<TextView
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:text="@string/app_name"
+			android:textColor="#FF000000"
+			android:textSize="16sp"
+			android:textStyle="bold"/>
+
+		<TextView
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:text="充电邮件通知服务已启用"
+			android:textColor="#FF000000"
+			android:textSize="14sp"/>
+
+		<TextView
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:text="TTS语音播放功能已禁用"
+			android:textColor="#FF666666"
+			android:textSize="12sp"/>
+
+		<TextView
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:text="电量提醒通知栏功能已禁用"
+			android:textColor="#FF666666"
+			android:textSize="12sp"/>
+
+	</LinearLayout>
+
+</LinearLayout>