com.android.apksig

Class ApkSigner

java.lang.Object

com.android.apksig.ApkSigner

public class ApkSigner
extends Object

APK signer.

The signer preserves as much of the input APK as possible. For example, it preserves the order of APK entries and preserves their contents, including compressed form and alignment of data.

Use ApkSigner.SignerConfig.Builder to obtain instances of this signer.

See Also:

Application Signing

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ApkSigner.Builder Builder of ApkSigner instances.
static class	ApkSigner.SignerConfig Configuration of a signer.

Method Summary

Modifier and Type	Method and Description
void	sign() Signs the input APK and outputs the resulting signed APK.

Methods inherited from class java.lang.Object

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

Method Detail

sign

public void sign()
          throws IOException,
                 ApkFormatException,
                 NoSuchAlgorithmException,
                 InvalidKeyException,
                 SignatureException,
                 IllegalStateException

Signs the input APK and outputs the resulting signed APK. The input APK is not modified.

Throws:

IOException - if an I/O error is encountered while reading or writing the APKs

ApkFormatException - if the input APK is malformed

NoSuchAlgorithmException - if the APK signatures cannot be produced or verified because a required cryptographic algorithm implementation is missing

InvalidKeyException - if a signature could not be generated because a signing key is not suitable for generating the signature

SignatureException - if an error occurred while generating or verifying a signature

IllegalStateException - if this signer's configuration is missing required information or if the signing engine is in an invalid state.