com.android.apksig.apk

Class ApkUtils

java.lang.Object

com.android.apksig.apk.ApkUtils

public abstract class ApkUtils
extends Object

APK utilities.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ApkUtils.ZipSections Information about the ZIP sections of an APK.

Method Summary

Modifier and Type	Method and Description
static ApkUtils.ZipSections	findZipSections(DataSource apk) Finds the main ZIP sections of the provided APK.
static int	getMinSdkVersionFromBinaryAndroidManifest(ByteBuffer androidManifestContents) Returns the lowest Android platform version (API Level) supported by an APK with the provided AndroidManifest.xml.
static void	setZipEocdCentralDirectoryOffset(ByteBuffer zipEndOfCentralDirectory, long offset) Sets the offset of the start of the ZIP Central Directory in the APK's ZIP End of Central Directory record.

Methods inherited from class java.lang.Object

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

Method Detail

findZipSections

public static ApkUtils.ZipSections findZipSections(DataSource apk)
                                            throws IOException,
                                                   ZipFormatException

Finds the main ZIP sections of the provided APK.

Throws:

IOException - if an I/O error occurred while reading the APK

ZipFormatException - if the APK is malformed

setZipEocdCentralDirectoryOffset

public static void setZipEocdCentralDirectoryOffset(ByteBuffer zipEndOfCentralDirectory,
                                                    long offset)

Sets the offset of the start of the ZIP Central Directory in the APK's ZIP End of Central Directory record.

Parameters:

zipEndOfCentralDirectory - APK's ZIP End of Central Directory record

offset - offset of the ZIP Central Directory relative to the start of the archive. Must be between 0 and 2^32 - 1 inclusive.

getMinSdkVersionFromBinaryAndroidManifest

public static int getMinSdkVersionFromBinaryAndroidManifest(ByteBuffer androidManifestContents)
                                                     throws MinSdkVersionException

Returns the lowest Android platform version (API Level) supported by an APK with the provided AndroidManifest.xml.

Parameters:

androidManifestContents - contents of AndroidManifest.xml in binary Android resource format

Throws:

MinSdkVersionException - if an error occurred while determining the API Level