次の方法で共有

ProtectedFileInputStream.getOriginalFileExtension method

  • [アーティクル]

Gets the original file extension of the file before it was protected

Signature

public String getOriginalFileExtension()

Returns

An mOriginalFileExtension, the original file extension of the file before it was protected. Will return null for custom and plain text streams.

Defined in

ProtectedFileInputStream.java

Supported Platforms
Minimum supported OS version
 Android 4.0.3 (API level 15)