Examples with DexFile dalvik.system.DexFile used on opensource projects

Example 56 with DexFile

use of dalvik.system.DexFile in project AndroidLife by CaMnter.

the class BaseDexClassLoaderHooker method patchClassLoader.

@SuppressWarnings("DanglingJavadoc")
public static void patchClassLoader(@NonNull final ClassLoader classLoader, @NonNull final File apkFile, @NonNull final File optDexFile) throws IllegalAccessException, NoSuchMethodException, IOException, InvocationTargetException, InstantiationException, NoSuchFieldException, ClassNotFoundException {
    // 获取 BaseDexClassLoader # DexPathList pathList
    final Field pathListField = DexClassLoader.class.getSuperclass().getDeclaredField("pathList");
    pathListField.setAccessible(true);
    final Object pathList = pathListField.get(classLoader);
    // 获取 DexPathList # Element[] dexElements
    final Field dexElementArray = pathList.getClass().getDeclaredField("dexElements");
    dexElementArray.setAccessible(true);
    final Object[] dexElements = (Object[]) dexElementArray.get(pathList);
    // Element 类型
    final Class<?> elementClass = dexElements.getClass().getComponentType();
    // 用于替换 PathList # Element[] dexElements
    final Object[] newElements = (Object[]) Array.newInstance(elementClass, dexElements.length + 1);
    /**
     * <= 4.0.0
     *
     * no method
     *
     * >= 4.0.0
     *
     * Element(File file, ZipFile zipFile, DexFile dexFile)
     *
     * ---
     *
     * >= 5.0.0
     *
     * Element(File file, boolean isDirectory, File zip, DexFile dexFile)
     *
     * ---
     *
     * >= 8.0.0
     *
     * @Deprecated
     * Element(File dir, boolean isDirectory, File zip, DexFile dexFile)
     * Element(DexFile dexFile, File dexZipPath)
     */
    final int sdkVersion = Build.VERSION.SDK_INT;
    if (sdkVersion < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        throw new RuntimeException("[BaseDexClassLoaderHooker]   the sdk version must >= 14 (4.0.0)");
    }
    final Object element;
    final Constructor<?> constructor;
    if (sdkVersion >= Build.VERSION_CODES.O) {
        // >= 8.0.0
        // DexFile dexFile, File dexZipPath
        constructor = elementClass.getConstructor(DexFile.class, File.class);
        element = constructor.newInstance(DexFile.loadDex(apkFile.getCanonicalPath(), optDexFile.getAbsolutePath(), 0), apkFile);
    } else if (sdkVersion >= Build.VERSION_CODES.LOLLIPOP) {
        // >= 5.0.0
        // File file, boolean isDirectory, File zip, DexFile dexFile
        constructor = elementClass.getConstructor(File.class, boolean.class, File.class, DexFile.class);
        element = constructor.newInstance(apkFile, false, apkFile, DexFile.loadDex(apkFile.getCanonicalPath(), optDexFile.getAbsolutePath(), 0));
    } else {
        // >= 4.0.0
        // File file, ZipFile zipFile, DexFile dexFile
        constructor = elementClass.getConstructor(File.class, ZipFile.class, DexFile.class);
        element = constructor.newInstance(apkFile, new ZipFile(apkFile), DexFile.loadDex(apkFile.getCanonicalPath(), optDexFile.getAbsolutePath(), 0));
    }
    final Object[] toAddElementArray = new Object[] { element };
    // 把原始的 elements 复制进去
    System.arraycopy(dexElements, 0, newElements, 0, dexElements.length);
    // 把插件的 element  复制进去
    System.arraycopy(toAddElementArray, 0, newElements, dexElements.length, toAddElementArray.length);
    // 替换
    dexElementArray.set(pathList, newElements);
}

Example 57 with DexFile

use of dalvik.system.DexFile in project AndroidLife by CaMnter.

the class BaseDexClassLoaderHooker method patchClassLoader.

@SuppressWarnings("DanglingJavadoc")
public static void patchClassLoader(@NonNull final ClassLoader classLoader, @NonNull final File apkFile, @NonNull final File optDexFile) throws IllegalAccessException, NoSuchMethodException, IOException, InvocationTargetException, InstantiationException, NoSuchFieldException, ClassNotFoundException {
    // 获取 BaseDexClassLoader # DexPathList pathList
    final Field pathListField = DexClassLoader.class.getSuperclass().getDeclaredField("pathList");
    pathListField.setAccessible(true);
    final Object pathList = pathListField.get(classLoader);
    // 获取 DexPathList # Element[] dexElements
    final Field dexElementArray = pathList.getClass().getDeclaredField("dexElements");
    dexElementArray.setAccessible(true);
    final Object[] dexElements = (Object[]) dexElementArray.get(pathList);
    // Element 类型
    final Class<?> elementClass = dexElements.getClass().getComponentType();
    // 用于替换 PathList # Element[] dexElements
    final Object[] newElements = (Object[]) Array.newInstance(elementClass, dexElements.length + 1);
    /**
     * <= 4.0.0
     *
     * no method
     *
     * >= 4.0.0
     *
     * Element(File file, ZipFile zipFile, DexFile dexFile)
     *
     * ---
     *
     * >= 5.0.0
     *
     * Element(File file, boolean isDirectory, File zip, DexFile dexFile)
     *
     * ---
     *
     * >= 8.0.0
     *
     * @Deprecated
     * Element(File dir, boolean isDirectory, File zip, DexFile dexFile)
     * Element(DexFile dexFile, File dexZipPath)
     */
    final int sdkVersion = Build.VERSION.SDK_INT;
    if (sdkVersion < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        throw new RuntimeException("[BaseDexClassLoaderHooker]   the sdk version must >= 14 (4.0.0)");
    }
    final Object element;
    final Constructor<?> constructor;
    if (sdkVersion >= Build.VERSION_CODES.O) {
        // >= 8.0.0
        // DexFile dexFile, File dexZipPath
        constructor = elementClass.getConstructor(DexFile.class, File.class);
        element = constructor.newInstance(DexFile.loadDex(apkFile.getCanonicalPath(), optDexFile.getAbsolutePath(), 0), apkFile);
    } else if (sdkVersion >= Build.VERSION_CODES.LOLLIPOP) {
        // >= 5.0.0
        // File file, boolean isDirectory, File zip, DexFile dexFile
        constructor = elementClass.getConstructor(File.class, boolean.class, File.class, DexFile.class);
        element = constructor.newInstance(apkFile, false, apkFile, DexFile.loadDex(apkFile.getCanonicalPath(), optDexFile.getAbsolutePath(), 0));
    } else {
        // >= 4.0.0
        // File file, ZipFile zipFile, DexFile dexFile
        constructor = elementClass.getConstructor(File.class, ZipFile.class, DexFile.class);
        element = constructor.newInstance(apkFile, new ZipFile(apkFile), DexFile.loadDex(apkFile.getCanonicalPath(), optDexFile.getAbsolutePath(), 0));
    }
    final Object[] toAddElementArray = new Object[] { element };
    // 把原始的 elements 复制进去
    System.arraycopy(dexElements, 0, newElements, 0, dexElements.length);
    // 把插件的 element  复制进去
    System.arraycopy(toAddElementArray, 0, newElements, dexElements.length, toAddElementArray.length);
    // 替换
    dexElementArray.set(pathList, newElements);
}

Example 58 with DexFile

use of dalvik.system.DexFile in project AndroidLife by CaMnter.

the class ClassUtils method tryLoadInstantRunDexFile.

private static List<String> tryLoadInstantRunDexFile(ApplicationInfo applicationInfo) {
    List<String> instantRunSourcePaths = new ArrayList<>();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && null != applicationInfo.splitSourceDirs) {
        // add the splite apk, normally for InstantRun, and newest version.
        instantRunSourcePaths.addAll(Arrays.asList(applicationInfo.splitSourceDirs));
        Log.d("ClassUtils", "Found InstantRun support");
    } else {
        try {
            // This man is reflection from Google instant run sdk, he will tell me where the dex files go.
            Class pathsByInstantRun = Class.forName("com.android.tools.fd.runtime.Paths");
            Method getDexFileDirectory = pathsByInstantRun.getMethod("getDexFileDirectory", String.class);
            String instantRunDexPath = (String) getDexFileDirectory.invoke(null, applicationInfo.packageName);
            File instantRunFilePath = new File(instantRunDexPath);
            if (instantRunFilePath.exists() && instantRunFilePath.isDirectory()) {
                File[] dexFile = instantRunFilePath.listFiles();
                for (File file : dexFile) {
                    if (null != file && file.exists() && file.isFile() && file.getName().endsWith(".dex")) {
                        instantRunSourcePaths.add(file.getAbsolutePath());
                    }
                }
                Log.d("ClassUtils", "Found InstantRun support");
            }
        } catch (Exception e) {
            Log.e("ClassUtils", "InstantRun support error, " + e.getMessage());
        }
    }
    return instantRunSourcePaths;
}

Example 59 with DexFile

use of dalvik.system.DexFile in project sugar by satyan.

the class MultiDexHelper method getSourcePaths.

/**
 * get all the dex path
 *
 * @return all the dex path, including the ones in the newly added instant-run folder
 * @throws PackageManager.NameNotFoundException
 * @throws IOException
 */
public static List<String> getSourcePaths() throws PackageManager.NameNotFoundException, IOException {
    ApplicationInfo applicationInfo = getPackageManager().getApplicationInfo(getPackageName(), 0);
    File sourceApk = new File(applicationInfo.sourceDir);
    File dexDir = new File(applicationInfo.dataDir, SECONDARY_FOLDER_NAME);
    // default instant-run dir
    File instantRunDir = new File(applicationInfo.dataDir, INSTANT_RUN_DEX_DIR_PATH);
    List<String> sourcePaths = new ArrayList<>();
    // add the default apk path
    sourcePaths.add(applicationInfo.sourceDir);
    if (instantRunDir.exists()) {
        // check if app using instant run
        for (final File dexFile : instantRunDir.listFiles()) {
            // add all sources from instan-run
            sourcePaths.add(dexFile.getAbsolutePath());
        }
    }
    // the prefix of extracted file, ie: test.classes
    String extractedFilePrefix = sourceApk.getName() + EXTRACTED_NAME_EXT;
    // the total dex numbers
    int totalDexNumber = getMultiDexPreferences().getInt(KEY_DEX_NUMBER, 1);
    for (int secondaryNumber = 2; secondaryNumber <= totalDexNumber; secondaryNumber++) {
        // for each dex file, ie: test.classes2.zip, test.classes3.zip...
        String fileName = extractedFilePrefix + secondaryNumber + EXTRACTED_SUFFIX;
        File extractedFile = new File(dexDir, fileName);
        if (extractedFile.isFile()) {
            sourcePaths.add(extractedFile.getAbsolutePath());
        // we ignore the verify zip part
        }
    }
    return sourcePaths;
}

Example 60 with DexFile

use of dalvik.system.DexFile in project RocooFix by dodola.

the class RocooFix method applyPatchRuntime.

/**
 * 从指定目录加载补丁
 *
 * @param context
 * @param dexPath
 */
public static void applyPatchRuntime(Context context, String dexPath) {
    if (context == null) {
        return;
    } else {
        context = context.getApplicationContext();
    }
    try {
        File file = new File(dexPath);
        File optfile = new File(mOptDir, file.getName());
        final DexFile dexFile = DexFile.loadDex(file.getAbsolutePath(), optfile.getAbsolutePath(), Context.MODE_PRIVATE);
        ClassLoader classLoader = context.getClassLoader();
        ClassLoader patchClassLoader = new ClassLoader(classLoader) {

            @Override
            protected Class<?> findClass(String className) throws ClassNotFoundException {
                Class<?> clazz = dexFile.loadClass(className, this);
                if (clazz == null && (className.startsWith("com.dodola.rocoofix") || className.startsWith("com.lody.legend") || className.startsWith("com.alipay.euler.andfix"))) {
                    return Class.forName(className);
                }
                if (clazz == null) {
                    throw new ClassNotFoundException(className);
                }
                return clazz;
            }
        };
        Enumeration<String> entrys = dexFile.entries();
        Class<?> clazz = null;
        while (entrys.hasMoreElements()) {
            String entry = entrys.nextElement();
            clazz = dexFile.loadClass(entry, patchClassLoader);
            if (clazz != null) {
                fixClass(clazz, classLoader);
            }
        }
    } catch (IOException e) {
    }
}