Package io.rong.imkit.picture.tools

Class FileUtils

  • All Implemented Interfaces:
    
public class FileUtils
    Author:

    Peli

    paulburke (ipaulpro)

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description

    • Field Summary

      Fields 
      Modifier and Type Field Description

    • Constructor Summary

      Constructors 
      Constructor Description

    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description

    • Method Summary

      Modifier and Type Method Description
      static boolean isExternalStorageDocument(Uri uri)
      static boolean isDownloadsDocument(Uri uri)
      static boolean isMediaDocument(Uri uri)
      static boolean isGooglePhotosUri(Uri uri)
      static String getDataColumn(Context context, Uri uri, String selection, Array<String> selectionArgs) Get the value of the data column for this Uri.
      static String getPath(Context context, Uri uri) Get a file path from a Uri.
      static boolean isGifForSuffix(String suffix)
      static boolean isGif(String mimeType) 是否是gif
      static boolean isHttp(String path) 是否是网络图片
      static boolean copyFile(FileInputStream fileInputStream, String outFilePath) Copies one file into the other with the given paths.
      static String extSuffix(InputStream input)
      static String getCreateFileName(String prefix) 根据时间戳创建文件名

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

    • Method Detail

      • isExternalStorageDocument

         static boolean isExternalStorageDocument(Uri uri)
        Parameters:
        uri - The Uri to check.
        Returns:

        Whether the Uri authority is ExternalStorageProvider.

      • isDownloadsDocument

         static boolean isDownloadsDocument(Uri uri)
        Parameters:
        uri - The Uri to check.
        Returns:

        Whether the Uri authority is DownloadsProvider.

      • isMediaDocument

         static boolean isMediaDocument(Uri uri)
        Parameters:
        uri - The Uri to check.
        Returns:

        Whether the Uri authority is MediaProvider.

      • isGooglePhotosUri

         static boolean isGooglePhotosUri(Uri uri)
        Parameters:
        uri - The Uri to check.
        Returns:

        Whether the Uri authority is Google Photos.

      • getDataColumn

         static String getDataColumn(Context context, Uri uri, String selection, Array<String> selectionArgs)

        Get the value of the data column for this Uri. This is useful for MediaStore Uris, and other file-based ContentProviders.

        Parameters:
        context - The context.
        uri - The Uri to query.
        selection - (Optional) Filter used in the query.
        selectionArgs - (Optional) Selection arguments used in the query.
        Returns:

        The value of the _data column, which is typically a file path.

      • getPath

         static String getPath(Context context, Uri uri)

        Get a file path from a Uri. This will get the the path for Storage Access Framework Documents, as well as the _data field for the MediaStore and other file-based ContentProviders. Callers should check whether the path is local before assuming it represents a local file.

        Parameters:
        context - The context.
        uri - The Uri to query.

      • isGif

         static boolean isGif(String mimeType)

        是否是gif

      • isHttp

         static boolean isHttp(String path)

        是否是网络图片

      • copyFile

         static boolean copyFile(FileInputStream fileInputStream, String outFilePath)

        Copies one file into the other with the given paths. In the event that the paths are the same, trying to copy one file to the other will cause both files to become null. Simply skipping this step if the paths are identical.

      • extSuffix

         static String extSuffix(InputStream input)

      • getCreateFileName

         static String getCreateFileName(String prefix)

        根据时间戳创建文件名

        Parameters:
        prefix - 前缀名