com.android.dex

Class DexFormat

java.lang.Object

com.android.dex.DexFormat

public final class DexFormat
extends Object

Constants that show up in and are otherwise related to .dex files, and helper methods for same.

Field Summary

Fields

Modifier and Type	Field and Description
static int	API_CURRENT API level to target in order to produce the most modern file format
static int	API_NO_EXTENDED_OPCODES API level to target in order to suppress extended opcode usage
static String	DEX_IN_JAR_NAME file name of the primary .dex file inside an application or library .jar file
static int	ENDIAN_TAG value used to indicate endianness of file contents
static String	MAGIC_PREFIX common prefix for all dex file "magic numbers"
static String	MAGIC_SUFFIX common suffix for all dex file "magic numbers"
static int	MAX_MEMBER_IDX Maximum addressable field or method index.
static int	MAX_TYPE_IDX Maximum addressable type index.
static String	VERSION_CURRENT Dex file version number for dalvik.
static String	VERSION_FOR_API_13 dex file version number for API level 13 and earlier

Method Summary

Modifier and Type	Method and Description
static String	apiToMagic(int targetApiLevel) Returns the magic number corresponding to the given target API level.
static boolean	isSupportedDexMagic(byte[] magic)
static int	magicToApi(byte[] magic) Returns the API level corresponding to the given magic number, or -1 if the given array is not a well-formed dex file magic number.

Methods inherited from class java.lang.Object

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

Field Detail

API_CURRENT

public static final int API_CURRENT

API level to target in order to produce the most modern file format

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Constant Field Values

API_NO_EXTENDED_OPCODES

public static final int API_NO_EXTENDED_OPCODES

API level to target in order to suppress extended opcode usage

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Constant Field Values

DEX_IN_JAR_NAME

public static final String DEX_IN_JAR_NAME

file name of the primary .dex file inside an application or library .jar file

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Constant Field Values

MAGIC_PREFIX

public static final String MAGIC_PREFIX

common prefix for all dex file "magic numbers"

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Constant Field Values

MAGIC_SUFFIX

public static final String MAGIC_SUFFIX

common suffix for all dex file "magic numbers"

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Constant Field Values

VERSION_CURRENT

public static final String VERSION_CURRENT

Dex file version number for dalvik.

Note: Dex version 36 was loadable in some versions of Dalvik but was never fully supported or completed and is not considered a valid dex file format.

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Constant Field Values

VERSION_FOR_API_13

public static final String VERSION_FOR_API_13

dex file version number for API level 13 and earlier

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Constant Field Values

ENDIAN_TAG

public static final int ENDIAN_TAG

value used to indicate endianness of file contents

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Constant Field Values

MAX_MEMBER_IDX

public static final int MAX_MEMBER_IDX

Maximum addressable field or method index. The largest addressable member is 0xffff, in the "instruction formats" spec as field@CCCC or meth@CCCC.

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Constant Field Values

MAX_TYPE_IDX

public static final int MAX_TYPE_IDX

Maximum addressable type index. The largest addressable type is 0xffff, in the "instruction formats" spec as type@CCCC.

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Constant Field Values

Method Detail

magicToApi

public static int magicToApi(byte[] magic)

Returns the API level corresponding to the given magic number, or -1 if the given array is not a well-formed dex file magic number.

apiToMagic

public static String apiToMagic(int targetApiLevel)

Returns the magic number corresponding to the given target API level.

isSupportedDexMagic

public static boolean isSupportedDexMagic(byte[] magic)