如何开发应用拉起系统相机拍照返回图片?希望拉起相机应用拍照后，选择图片可以返回到自己的应用

import common from ‘@ohos.app.ability.common’; 
@Entry 
@Component 
struct ImagePickerPage { 
  @State message: string = ‘Hello World’; 
  build() { 
    Row() { 
      Column() { 
Text(this.message) 
.fontSize(50) 
.fontWeight(FontWeight.Bold) 
 
/Button(“pickImage”).onClick(() => { 
try { 
let PhotoSelectOptions = new picker.PhotoSelectOptions(); 
PhotoSelectOptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE; 
PhotoSelectOptions.maxSelectNumber = 5; 
let photoPicker = new picker.PhotoViewPicker(); 
photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult: picker.PhotoSelectResult) => { 
console.info('PhotoViewPicker.select successfully, PhotoSelectResult uri: ’ + JSON.stringify(PhotoSelectResult)); 
}).catch((err: BusinessError) => { 
console.error('PhotoViewPicker.select failed with err: ’ + JSON.stringify(err)); 
}); 
} catch (error) { 
let err: BusinessError = error as BusinessError; 
console.error('PhotoViewPicker failed with err: ’ + JSON.stringify(err)); 
} 
})/ 
Button(“camera Image”).onClick(() => { 
const context = getContext(this) as common.UIAbilityContext 
console.log(‘sss’) 
context.startAbilityForResult({ 
action:“ohos.want.action.imageCapture”, 
parameters:{ 
callBundleName:“com.hm.imageshow”//返回的应用包名 
} 
},(err,data) => { 
console.info(“context:” + ${JSON.stringify(context)}) 
console.info(“imageCapture:” + ${JSON.stringify(data)}) 
}) 
}) 
} 
      .width(‘100%’) 
    } 
    .height(‘100%’) 
  } 
}