java解析APK

解析apk有兩種方法
1、結合安卓提供apktool工具，用java執行cmd解析命令獲取apk資訊
2、利用相關jar包裡的整合方法解析apk

這裡只給出第二種方法，因為第一種方法在linux伺服器下會出現不在控制範圍之內的結果。

public class ApkUtil
{
	/**
	 * 日誌物件
	 */
	private static Logger	    log	              = LoggerFactory.getLogger(ApkUtil.class);

	private static final float	RADIX_MULTS[]	  = { 0.00390625F, 3.051758E-005F, 1.192093E-007F, 4.656613E-010F };

	private static final String	DIMENSION_UNITS[]	= { "px", "dip", "sp", "pt", "in", "mm", "", "" };

	private static final String	FRACTION_UNITS[]	= { "%", "%p", "", "", "", "", "", "" };

	/**
	 * 獲取apk資訊
	 * 
	 * @param apkPath
	 * @return
	 */
	public static String[] getApkInfo(String apkName)
	{
		// apk資訊的返回結果
		final String[] apkResult = new String[3];
		ZipFile zipFile = null;
		try
		{
			final String apkPath = Toolkit.getTomcatRealPath() + CommonConstant.UPLOAD_SOFTVERSION + apkName;
			// 獲得一個解壓檔案物件
			zipFile = new ZipFile(apkPath);
			// 將解壓檔案物件轉列舉物件
			final Enumeration enumeration = zipFile.entries();
			ZipEntry zipEntry = null;
			// 遍歷列舉物件元素
			while (enumeration.hasMoreElements())
			{
				// 獲得一個解壓條目物件
				zipEntry = (ZipEntry) enumeration.nextElement();
				if (zipEntry.isDirectory())
				{

				}
				else
				{
					// 獲得名為AndroidManifest.xml的檔案
					if ("AndroidManifest.xml".equals(zipEntry.getName()))
					{
						try
						{
							final AXmlResourceParser parser = new AXmlResourceParser();
							parser.open(zipFile.getInputStream(zipEntry));
							// 遍歷檔案裡的內容
							while (true)
							{
								final int type = parser.next();
								if (type == XmlPullParser.END_DOCUMENT)
								{
									break;
								}
								switch (type)
								{
								// 滿足條件開始遍歷內容提取需要的資訊
									case XmlPullParser.START_TAG: {
										for (int i = 0; i != parser.getAttributeCount(); ++i)
										{
											if ("package".equals(parser.getAttributeName(i)))
											{
												apkResult[0] = ApkUtil.getAttributeValue(parser, i);
											}
											else if ("versionCode".equals(parser.getAttributeName(i)))
											{
												apkResult[1] = ApkUtil.getAttributeValue(parser, i);
											}
											else if ("versionName".equals(parser.getAttributeName(i)))
											{
												apkResult[2] = ApkUtil.getAttributeValue(parser, i);
											}

										}
									}
								}
							}
						}
						catch (final Exception e)
						{
							ApkUtil.log.error("get file fail...！", e);
						}
					}

				}
			}
		}
		catch (final IOException e)
		{
			ApkUtil.log.error("analyzing fail...", e);
		}
		finally
		{
			if (zipFile != null)
			{
				try
				{
					zipFile.close();
				}
				catch (final IOException e)
				{
					ApkUtil.log.error("Zipfile close fail.", e);
				}
			}
		}

		return apkResult;
	}

	private static String getAttributeValue(AXmlResourceParser parser, int index)
	{
		final int type = parser.getAttributeValueType(index);
		final int data = parser.getAttributeValueData(index);
		if (type == TypedValue.TYPE_STRING)
		{
			return parser.getAttributeValue(index);
		}
		if (type == TypedValue.TYPE_ATTRIBUTE)
		{
			return String.format("?%s%08X", ApkUtil.getPackage(data), data);
		}
		if (type == TypedValue.TYPE_REFERENCE)
		{
			return String.format("@%s%08X", ApkUtil.getPackage(data), data);
		}
		if (type == TypedValue.TYPE_FLOAT)
		{
			return String.valueOf(Float.intBitsToFloat(data));
		}
		if (type == TypedValue.TYPE_INT_HEX)
		{
			return String.format("0x%08X", data);
		}
		if (type == TypedValue.TYPE_INT_BOOLEAN)
		{
			return data != 0 ? "true" : "false";
		}
		if (type == TypedValue.TYPE_DIMENSION)
		{
			return Float.toString(ApkUtil.complexToFloat(data))
			        + ApkUtil.DIMENSION_UNITS[data & TypedValue.COMPLEX_UNIT_MASK];
		}
		if (type == TypedValue.TYPE_FRACTION)
		{
			return Float.toString(ApkUtil.complexToFloat(data))
			        + ApkUtil.FRACTION_UNITS[data & TypedValue.COMPLEX_UNIT_MASK];
		}
		if (type >= TypedValue.TYPE_FIRST_COLOR_INT && type <= TypedValue.TYPE_LAST_COLOR_INT)
		{
			return String.format("#%08X", data);
		}
		if (type >= TypedValue.TYPE_FIRST_INT && type <= TypedValue.TYPE_LAST_INT)
		{
			return String.valueOf(data);
		}
		return String.format("<0x%X, type 0x%02X>", data, type);
	}

	private static String getPackage(int id)
	{
		if (id >>> 24 == 1)
		{
			return "android:";
		}
		return "";
	}

	public static float complexToFloat(int complex)
	{
		return (complex & 0xFFFFFF00) * ApkUtil.RADIX_MULTS[complex >> 4 & 3];
	}

jar包在下面下載