feat(basic): 实现自定义 AlertDialog 并优化上下文管理- 新增自定义 AlertDialog 功能，提供更灵活的弹窗样式和交互

- 实现全局 UI 上下文管理，支持跨组件弹窗显示
- 优化 SafeView 组件，自动管理 UI 上下文生命周期
- 调整默认弹窗配置，提高用户体验

src/main/ets/ContextConfig.ets

@@ -7,6 +7,7 @@ import { WindowHelper } from './utils/WindowHelper';
 
 declare namespace globalThis {
   let _brushEngineContext: common.UIAbilityContext;
+  let _uiUIContext: UIContext[];
 };
 
 export class GlobalContext {
@@ -18,5 +19,17 @@ export class GlobalContext {
     globalThis._brushEngineContext = context;
     WindowHelper.windowClass = context.windowStage.getMainWindowSync()
   }
+  static pushUIContext(context: UIContext): void {
+    if (!globalThis._uiUIContext) {
+      globalThis._uiUIContext = []
+    }
+    globalThis._uiUIContext.push(context);
+  }
+  static popUIContext(): void {
+    globalThis._uiUIContext.splice(globalThis._uiUIContext.length-1,1)
+  }
+  static getUiContext(): UIContext {
+    return globalThis._uiUIContext[globalThis._uiUIContext.length-1];
+  }
 }
 

src/main/ets/utils/ToolsHelper.ets

@@ -4,7 +4,18 @@ import { buffer, HashMap, util } from '@kit.ArkTS';
 import { DeviceInfo } from '../bean/DeviceInfo';
 import { common } from '@kit.AbilityKit';
 import { md5_hex } from '../util/md5';
-import { LogHelper } from '../../../../Index';
+import { GlobalContext, LogHelper } from '../../../../Index';
+import { ComponentContent } from '@kit.ArkUI';
+
+class AlertBean {
+  options: AlertOptions
+  dialogTag: string
+
+  constructor(options: AlertOptions, dialogTag: string) {
+    this.options = options
+    this.dialogTag = dialogTag
+  }
+}
 
 export interface Btn {
   text?: string | Resource;
@@ -128,6 +139,30 @@ function customDialogBuilder<T>(option: ListOptions<T>, dialogTag: string) {
   }.justifyContent(FlexAlign.Start)
 }
 
+@Builder
+function alertDialogBuilder(options: AlertBean) {
+
+  Column() {
+    Text('---------')
+      .fontSize(16)
+      .fontColor('#00BE87')
+      .textAlign(TextAlign.Center)
+      .width('100%')
+      .height(60)
+      .backgroundColor('#F0FFFA')
+      .borderRadius({
+        topLeft: 10,
+        topRight: 10
+      })
+      .onClick(() => {
+        if (ToolsHelper.mapAlertDialog.get(options.dialogTag)) {
+          ToolsHelper.closeAlertDialog(ToolsHelper.mapAlertDialog.get(options.dialogTag))
+          ToolsHelper.mapAlertDialog.remove(options.dialogTag)
+        }
+      })
+  }.justifyContent(FlexAlign.Start)
+}
+
 interface ThrottleInterface {
   startTime: number; //调用的时间
   timeoutNumber: number; //setTimeout的句柄
@@ -187,31 +222,47 @@ export class ToolsHelper {
     return true
   }
 
-  /**kio9
+  static closeAlertDialog(content: ComponentContent<Object>) {
+    try {
+      GlobalContext.getUiContext().getPromptAction().closeCustomDialog(content)
+    } catch (err) {
+    }
+  }
+
+  /**
    * 弹出Alert弹窗
    * @param options
    */
   static showAlertDialog(options: AlertOptions) {
-    try {
-      promptAction.showDialog({
-        alignment: DialogAlignment.Center,
-        title: options.title,
-        message: options.msg,
-        buttons: [{
-          text: options.action?.text ?? "确定",
-          color: options.action?.color ?? "#000000",
-        }]
-      })
-        .then(() => {
-          options.action?.onClick && options.action?.onClick()
+    const dialogTag = ToolsHelper.getUuid()
+    const ui = GlobalContext.getUiContext()
+    const c = new ComponentContent(ui, wrapBuilder(alertDialogBuilder), new AlertBean(options, dialogTag))
+    ui.getPromptAction().openCustomDialog(c,{
+      autoCancel: false
+    }).then(() => {
+      ToolsHelper.mapAlertDialog.set(dialogTag, c)
+    }).catch(() => {
+      try {
+        promptAction.showDialog({
+          alignment: DialogAlignment.Center,
+          title: options.title,
+          message: options.msg,
+          buttons: [{
+            text: options.action?.text ?? "确定",
+            color: options.action?.color ?? "#000000",
+          }]
         })
-        .catch((err: Error) => {
-          // ToolsHelper.showMessage(err.message)
-        })
-    } catch (error) {
-      let message = (error as BusinessError).message
-      // ToolsHelper.showMessage(message)
-    }
+          .then(() => {
+            options.action?.onClick && options.action?.onClick()
+          })
+          .catch((err: Error) => {
+            ToolsHelper.showMessage(err.message)
+          })
+      } catch (error) {
+        let message = (error as BusinessError).message
+        ToolsHelper.showMessage(message)
+      }
+    })
   }
 
   /**
@@ -252,6 +303,7 @@ export class ToolsHelper {
   }
 
   public static mapDialog = new HashMap<string, number>()
+  public static mapAlertDialog = new HashMap<string, ComponentContent<Object>>()
 
   /**
    * 弹出List弹窗

src/main/ets/view/SafeView.ets

@@ -1,5 +1,6 @@
 import { WindowHelper } from '../utils/WindowHelper';
 import { inputMethod } from '@kit.IMEKit';
+import { GlobalContext } from '../ContextConfig';
 
 export interface TitleBarBtn {
   text?: string | Resource;
@@ -47,6 +48,13 @@ export struct SafeView {
   // 设置导航栏底下标题
   @Prop bottomTitleText: ResourceStr
 
+  aboutToAppear(): void {
+    GlobalContext.pushUIContext(this.getUIContext())
+  }
+  aboutToDisappear(): void {
+    GlobalContext.popUIContext()
+  }
+
   @Builder
   doNothingBuilder() {
   }