> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
**Picker** encapsulates system applications, such as **PhotoViewPicker**, **DocumentViewPicker**, and **AudioViewPicker**, and provides capabilities of selecting and saving photos, documents, and audio clips. The application can select the picker as required.
## Modules to Import
```js
importpickerfrom'@ohos.file.picker';
```
## PhotoViewPicker
Provides APIs for selecting and saving images and videos. Before using the APIs of **PhotoViewPicker**, you need to create a **PhotoViewPicker** instance.
Selects one or more images or videos in a **photoPicker** page. This API uses a promise to return the result. You can pass in **PhotoSelectOptions** to specify the media type and the maximum number of files to select.
Selects one or more images or videos in a **photoPicker** page. This API uses an asynchronous callback to return the result. You can pass in **PhotoSelectOptions** to specify the media type and the maximum number of files to select.
| option | [PhotoSelectOptions](#photoselectoptions) | Yes | Options for selecting images or videos.|
| callback | AsyncCallback<[PhotoSelectResult](#photoselectresult)> | Yes | Callback invoked to return information about the images or videos selected.|
| callback | AsyncCallback<[PhotoSelectResult](#photoselectresult)> | Yes | Callback invoked to return information about the images or videos selected.|
**Example**
```ts
asyncfunctionexample(){
try{
letphotoPicker=newpicker.PhotoViewPicker();
photoPicker.select((err,PhotoSelectResult)=>{
if(err){
console.error('PhotoViewPicker.select failed with err: '+err);
Saves one or more images or videos in a **photoPicker** page. This API uses a promise to return the result. You can pass in **PhotoSaveOptions** to specify the file names of the images or videos to save.
Saves one or more images or videos in a **photoPicker** page. This API uses an asynchronous callback to return the result. You can pass in **PhotoSaveOptions** to specify the file names of the images or videos to save.
console.error('PhotoViewPicker failed with err: '+err);
}
}
```
## DocumentViewPicker
Provides APIs for selecting and saving non-media files, for example, documents in a variety of formats. Before using the APIs of **DocumentViewPicker**, you need to create a **DocumentViewPicker** instance.
Selects one or more documents in a **documentPicker** page. This API uses an asynchronous callback to return the result. You can pass in **DocumentSelectOptions**.
Saves one or more documents in a **documentPicker** page. This API uses a promise to return the result. You can pass in **DocumentSaveOptions** to specify the file names to save.
Saves one or more documents in a **documentPicker** page. This API uses an asynchronous callback to return the result. You can pass in **DocumentSaveOptions** to specify the file names to save.
Selects one or more audio files in an **audioPicker** page (currently, a **documentPicker** page is displayed). This API uses a promise to return the result. You can pass in **AudioSelectOptions**.
Selects one or more audio files in an **audioPicker** page (currently, a **documentPicker** page is displayed). This API uses an asynchronous callback to return the result. You can pass in **AudioSelectOptions**.
Selects one or more audio files in an **audioPicker** page (currently, a **documentPicker** page is displayed). This API uses an asynchronous callback to return the result.
Saves one or more audio files in an **audioPicker** page (currently, a **documentPicker** page is displayed). This API uses a promise to return the result. You can pass in **AudioSaveOptions** to specify the file names of the audio clips to save.
Saves one or more audio files in an **audioPicker** page (currently, a **documentPicker** page is displayed). This API uses an asynchronous callback to return the result. You can pass in **AudioSaveOptions** to specify the file names of the audio clips to save.
Saves one or more audio files in an **audioPicker** page (currently, a **documentPicker** page is displayed). This API uses an asynchronous callback to return the result.
