更新代码

Signed-off-by: username <1037761763@qq.com>

README.md

@@ -30,7 +30,7 @@ ScreenShot应用是OpenHarmony中预置的系统应用，为用户提供截取
     ├── product                         # ScreenShot总体功能目录
 ```
 
-###功能描述
+### 功能描述
 #### features
     子组件目录，提供截屏窗口显示控制，图片保存控制。
 

features/screenshot/src/main/ets/com/ohos/model/screenShotModel.ets

@@ -26,15 +26,17 @@ const TAG = 'ScreenShot-ScreenShotModel';
 const SCREEN_SHOT_PATH = "Screenshots/";
 const SCREENSHOT_PREFIX = "Screenshot";
 const PICTURE_TYPE = ".jpg";
-const SAVE_IMAGE_DELAY = 500;
+const SAVE_IMAGE_DELAY = 300;
 const OPTIONS_QUALITY = 100;
+const CREATE_WINDOW_DELAY = 300;
 
 export class ScreenShotModel {
-  captureImage: any = null;
+  captureImage: any;
   imageFilename: string = '';
 
-  shotScreen() {
+  async shotScreen() {
     Log.showInfo(TAG, `shotScreen`)
+    await new Promise((resolve) => setTimeout(resolve, CREATE_WINDOW_DELAY));
     ScreenshotManager.save().then(async (data) => {
       Log.showInfo(TAG, `ScreenshotManager.save data:${JSON.stringify(data)}`)
       if (!!data) {
@@ -56,7 +58,7 @@ export class ScreenShotModel {
     var packer = ImageMar.createImagePacker();
     Log.showInfo(TAG, `saveImage packer:${JSON.stringify(packer)}`);
     this.showWindow();
-    await new Promise((resolve) => setTimeout(resolve, SAVE_IMAGE_DELAY))
+    await new Promise((resolve) => setTimeout(resolve, SAVE_IMAGE_DELAY));
     packer.packingFromPixelMap(pixelMap, options).then((jpegData) => {
       Log.showInfo(TAG, `packing jpegData type:` + jpegData.constructor.name + '  value : ' + jpegData);
       media.getPublicDirectory(mediaLibrary.DirectoryType.DIR_IMAGE, (err, rp) => {

product/phone/src/main/ets/ServiceExtAbility/pages/index.ets

@@ -21,7 +21,7 @@ const TAG = 'ScreenShot-Index';
 @Entry
 @Component
 struct Index {
-  @StorageLink("captureImage") captureImage: any = undefined;
+  @StorageLink("captureImage") captureImage: any = "";
   @StorageLink("imageFilename") imageFilename: string = "";
 
   build() {