get Media File Name - Android android.media

Android examples for android.media:Media File

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Description

get Media File Name

Demo Code

import java.io.File;

import android.text.TextUtils;
import android.webkit.MimeTypeMap;

public class Main {

  public static String getMediaFileName(File mediaFile, String mimeType) {
    String originalFileName = mediaFile.getName().toLowerCase();
    String extension = MimeTypeMap.getFileExtensionFromUrl(originalFileName);
    if (!TextUtils.isEmpty(extension)) // File name already has the extension in it
      return originalFileName;

    if (!TextUtils.isEmpty(mimeType)) { // try to get the extension from mimeType
      String fileExtension = getExtensionForMimeType(mimeType);
      if (!TextUtils.isEmpty(fileExtension)) {
        originalFileName += "." + fileExtension;
      }//from ww w . java2 s.  c o m
    }
    return originalFileName;
  }

  public static String getExtensionForMimeType(String mimeType) {
    if (TextUtils.isEmpty(mimeType))
      return "";

    MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();
    String fileExtensionFromMimeType = mimeTypeMap.getExtensionFromMimeType(mimeType);
    if (TextUtils.isEmpty(fileExtensionFromMimeType)) {
      // We're still without an extension - split the mime type and retrieve it
      String[] split = mimeType.split("/");
      fileExtensionFromMimeType = split.length > 1 ? split[1] : split[0];
    }

    return fileExtensionFromMimeType.toLowerCase();
  }

}

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