How to use

invalidateV2Signature

method

in

com.android.apksig.DefaultApkSignerEngine

private void invalidateV1Signature() {
  if (mV1SigningEnabled) {
    mV1SignaturePending = true;
  }
  invalidateV2Signature();
}

@Override
public void outputJarEntryRemoved(String entryName) {
  checkNotClosed();
  invalidateV2Signature();
  if (!mV1SigningEnabled) {
    return;
  }
  if (V1SchemeSigner.isJarEntryDigestNeededInManifest(entryName)) {
    // This entry is covered by v1 signature.
    invalidateV1Signature();
    mOutputJarEntryDigests.remove(entryName);
    mOutputJarEntryDigestRequests.remove(entryName);
    mOutputSignatureJarEntryDataRequests.remove(entryName);
    return;
  }
  if (mSignatureExpectedOutputJarEntryNames.contains(entryName)) {
    // This entry is part of the v1 signature generated by this engine.
    invalidateV1Signature();
    return;
  }
}

@Override
public OutputApkSigningBlockRequest outputZipSections(
    DataSource zipEntries,
    DataSource zipCentralDirectory,
    DataSource zipEocd)
        throws IOException, InvalidKeyException, SignatureException,
            NoSuchAlgorithmException {
  checkNotClosed();
  checkV1SigningDoneIfEnabled();
  if (!mV2SigningEnabled) {
    return null;
  }
  invalidateV2Signature();
  byte[] apkSigningBlock =
      V2SchemeSigner.generateApkSigningBlock(
          zipEntries, zipCentralDirectory, zipEocd, mV2SignerConfigs);
  mAddV2SignatureRequest = new OutputApkSigningBlockRequestImpl(apkSigningBlock);
  return mAddV2SignatureRequest;
}

@Override
public InspectJarEntryRequest outputJarEntry(String entryName) {
  checkNotClosed();
  invalidateV2Signature();
  if (!mV1SigningEnabled) {