列表页面lottie动画crash问题修复。下拉刷新动画使用优化

@@ -85,8 +85,8 @@ export default struct CustomLayout {
         name: this.animateName,
         path: "lottie/refresh_step1.json", // 路径加载动画只支持entry/src/main/ets 文件夹下的相对路径
       })
-    }
       this.animateItem.goToAndStop(1)
+    }
     let total = CustomLayout.REFRESH_HEIGHT
     let progress = offset * 100 / total
     this.animateItem?.goToAndStop(this.getFramesByProgress(progress), true);
@@ -103,9 +103,6 @@ export default struct CustomLayout {
         path: "lottie/refresh_step2.json", // 路径加载动画只支持entry/src/main/ets 文件夹下的相对路径
       })
     }
-    // this.animateItem2.isLoaded
-    // TODO 是否拦截重复触发
-    this.animateItem2.goToAndPlay(1)
   }
 
   getFramesByProgress(progress: number): number {

@@ -18,14 +18,18 @@ export struct CustomPullToRefresh {
     .setAnimDuration(500);
   private refreshSettings: RenderingContextSettings = new RenderingContextSettings(true)
   private refreshContext: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.refreshSettings)
+  private refreshingSettings: RenderingContextSettings = new RenderingContextSettings(true)
+  private refreshingContext: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.refreshingSettings)
   private loadMoreSettings: RenderingContextSettings = new RenderingContextSettings(true)
   private loadMoreContext: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.loadMoreSettings)
   private refreshAnimation: AnimationItem | null = null;
+  private refreshingAnimation: AnimationItem | null = null;
   private loadMoreAnimation: AnimationItem | null = null;
   private refreshAnimName: string = "refresh";
   private refreshingAnimName: string = "refreshing";
   private loadMoreAnimName: string = "loadMore";
   private refreshAnimationDestroy = true
+  private refreshingAnimationDestroy = true
   // refresh-1,refreshing-2,refreshed-3,idle-4
   @State @Watch('stateChange') private refreshState: number = 4;
 
@@ -120,9 +124,23 @@ export struct CustomPullToRefresh {
         })
         .onDisAppear(() => {
           lottie.destroy(this.refreshAnimName);
+        })
+        .visibility(this.refreshState == 1 ? Visibility.Visible : Visibility.Hidden)
+
+      Canvas(this.refreshingContext)
+        .width(60)
+        .height(60)
+        .backgroundColor(Color.Transparent)
+        .onReady(() => {
+          // 可在此生命回调周期中加载动画，可以保证动画尺寸正确
+          //抗锯齿的设置
+          this.refreshContext.imageSmoothingEnabled = true;
+          this.refreshContext.imageSmoothingQuality = 'medium'
+        })
+        .onDisAppear(() => {
           lottie.destroy(this.refreshingAnimName);
         })
-        .visibility((this.refreshState == 1 || this.refreshState == 2) ? Visibility.Visible : Visibility.Hidden)
+        .visibility(this.refreshState == 2 ? Visibility.Visible : Visibility.Hidden)
 
       Text('已更新至最新')
         .fontSize(14)
@@ -175,10 +193,7 @@ export struct CustomPullToRefresh {
   }
 
   private refreshAnim(percent: number) {
-    if (this.refreshAnimation == null || this.refreshAnimation.name != this.refreshAnimName ||
-    this.refreshAnimationDestroy) {
-      this.refreshAnimation?.destroy(this.refreshAnimName)
-      this.refreshAnimation?.destroy(this.refreshingAnimName)
+    if (this.refreshAnimation == null || this.refreshAnimationDestroy) {
       this.refreshAnimation = lottie.loadAnimation({
         container: this.refreshContext,
         renderer: 'canvas', // canvas 渲染模式
@@ -212,21 +227,19 @@ export struct CustomPullToRefresh {
   }
 
   private refreshingAnim() {
-    // Logger.error('zzzz', 'animate2, 1')
     // 先销毁之前的动画
-    if (this.refreshAnimation == null || this.refreshAnimation.name != this.refreshingAnimName ||
-    this.refreshAnimationDestroy) {
-      this.refreshAnimation?.destroy(this.refreshAnimName)
-      this.refreshAnimation?.destroy(this.refreshingAnimName)
-      this.refreshAnimation = lottie.loadAnimation({
-        container: this.refreshContext,
+    if (this.refreshingAnimation == null || this.refreshingAnimationDestroy) {
+      this.refreshingAnimation?.destroy(this.refreshingAnimName)
+      this.refreshingAnimation = lottie.loadAnimation({
+        container: this.refreshingContext,
         renderer: 'canvas', // canvas 渲染模式
         loop: 10,
         autoplay: true,
         name: this.refreshingAnimName,
         path: "lottie/refresh_step2.json", // 路径加载动画只支持entry/src/main/ets 文件夹下的相对路径
       })
-      this.addRefreshAnimListener()
+      this.refreshingAnimationDestroy = false
+      this.addRefreshingAnimListener()
     }
     // Logger.error('zzzz', 'animate2, 2')
   }
@@ -242,6 +255,13 @@ export struct CustomPullToRefresh {
     });
   }
 
+  private addRefreshingAnimListener() {
+    this.refreshingAnimation?.addEventListener('destroy', (args: Object): void => {
+      // Logger.error('zzzz', "lottie destroy");
+      this.refreshingAnimationDestroy = true
+    });
+  }
+
   loadMoreAnimate() {
     if (this.loadMoreAnimation == null) {
       this.loadMoreAnimation = lottie.loadAnimation({