如何使用相机选择器拍照并获取结果？

Question

我正在开发一个应用，需要用户通过相机拍照，这个拍照过程我想用系统的相机应用来完成，完成后我想获取拍照的结果，这个怎么实现？

Answer 1

可参考如下代码，拉起系统拍照页面并获取图片uri：

@State imagePathSrc: String = ''; 
context:common.UIAbilityContext | undefined = (getContext(this) as common.UIAbilityContext); 
savePath: string = getContext().filesDir; 
 
async thirdPartyCall(supportMultiMode: boolean): Promise<common.AbilityResult | undefined> { 
  console.log("thirdPartyCall savaPath=" + this.savePath) // ohos.want.action.imageCapture 
  // 拉起拍照功能 
  let want: Want = { 
    "action": 'ohos.want.action.imageCapture', 
    "parameters": { 
      supportMultiMode: supportMultiMode, 
      callBundleName: "com.example.systemcapturegetphoto" 
    } 
  }; 
  // 获取图片uri 
  if (this.context) { 
    let result: common.AbilityResult = await this.context.startAbilityForResult(want); 
    let params = result?.want?.parameters as Record<string, string | number> 
    this.imagePathSrc = params?.resourceUri as string; 
    console.info('Operation imagePathSrc= ' + this.imagePathSrc); 
  } 
  return undefined; 
}