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

Example 51 with PathClassLoader

use of dalvik.system.PathClassLoader in project android_frameworks_base by crdroidandroid.

the class ApplicationLoaders method getClassLoader.

public ClassLoader getClassLoader(String zip, int targetSdkVersion, boolean isBundled, String librarySearchPath, String libraryPermittedPath, ClassLoader parent) {
    /*
         * This is the parent we use if they pass "null" in.  In theory
         * this should be the "system" class loader; in practice we
         * don't use that and can happily (and more efficiently) use the
         * bootstrap class loader.
         */
    ClassLoader baseParent = ClassLoader.getSystemClassLoader().getParent();
    synchronized (mLoaders) {
        if (parent == null) {
            parent = baseParent;
        }
        /*
             * If we're one step up from the base class loader, find
             * something in our cache.  Otherwise, we create a whole
             * new ClassLoader for the zip archive.
             */
        if (parent == baseParent) {
            ClassLoader loader = mLoaders.get(zip);
            if (loader != null) {
                return loader;
            }
            Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, zip);
            PathClassLoader pathClassloader = PathClassLoaderFactory.createClassLoader(zip, librarySearchPath, libraryPermittedPath, parent, targetSdkVersion, isBundled);
            Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
            Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "setupVulkanLayerPath");
            setupVulkanLayerPath(pathClassloader, librarySearchPath);
            Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
            mLoaders.put(zip, pathClassloader);
            return pathClassloader;
        }
        Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, zip);
        PathClassLoader pathClassloader = new PathClassLoader(zip, parent);
        Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
        return pathClassloader;
    }
}

Example 52 with PathClassLoader

use of dalvik.system.PathClassLoader in project android_frameworks_base by crdroidandroid.

the class PathClassLoaderFactory method createClassLoader.

/**
     * Create a PathClassLoader and initialize a linker-namespace for it.
     *
     * @hide
     */
public static PathClassLoader createClassLoader(String dexPath, String librarySearchPath, String libraryPermittedPath, ClassLoader parent, int targetSdkVersion, boolean isNamespaceShared) {
    PathClassLoader pathClassloader = new PathClassLoader(dexPath, librarySearchPath, parent);
    Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "createClassloaderNamespace");
    String errorMessage = createClassloaderNamespace(pathClassloader, targetSdkVersion, librarySearchPath, libraryPermittedPath, isNamespaceShared);
    Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
    if (errorMessage != null) {
        throw new UnsatisfiedLinkError("Unable to create namespace for the classloader " + pathClassloader + ": " + errorMessage);
    }
    return pathClassloader;
}

Example 53 with PathClassLoader

use of dalvik.system.PathClassLoader in project My-MVP by REBOOTERS.

the class FixDexUtils method doDexInject.

private static void doDexInject(Context appContext, HashSet<File> loadedDex) {
    // data/data/包名/files/optimize_dex（这个必须是自己程序下的目录）
    String optimizeDir = appContext.getFilesDir().getAbsolutePath() + File.separator + OPTIMIZE_DEX_DIR;
    File fopt = new File(optimizeDir);
    if (!fopt.exists()) {
        fopt.mkdirs();
    }
    try {
        // 1.加载应用程序的dex
        PathClassLoader pathLoader = (PathClassLoader) appContext.getClassLoader();
        for (File dex : loadedDex) {
            // 2.加载指定的修复的dex文件
            DexClassLoader dexLoader = new DexClassLoader(// 修复好的dex（补丁）所在目录
            dex.getAbsolutePath(), // 存放dex的解压目录（用于jar、zip、apk格式的补丁）
            fopt.getAbsolutePath(), // 加载dex时需要的库
            null, // 父类加载器
            pathLoader);
            // 3.合并
            Object dexPathList = getPathList(dexLoader);
            Object pathPathList = getPathList(pathLoader);
            Object leftDexElements = getDexElements(dexPathList);
            Object rightDexElements = getDexElements(pathPathList);
            // 合并完成
            Object dexElements = combineArray(leftDexElements, rightDexElements);
            // 重写给PathList里面的Element[] dexElements;赋值
            Object pathList = getPathList(pathLoader);
            setField(pathList, pathList.getClass(), "dexElements", dexElements);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 54 with PathClassLoader

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

the class HotFix method injectAboveEqualApiLevel14.

/**
 * 大于 API 14 的插桩策略
 *
 * @param context context
 * @param str dex 的路径
 * @param str2 插件 dex 中要修复的类 name
 * @throws ClassNotFoundException
 * @throws NoSuchFieldException
 * @throws IllegalAccessException
 */
private static void injectAboveEqualApiLevel14(Context context, String str, String str2) throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException {
    PathClassLoader pathClassLoader = (PathClassLoader) context.getClassLoader();
    Object a = combineArray(getDexElements(getPathList(pathClassLoader)), getDexElements(getPathList(new DexClassLoader(str, context.getDir("dex", 0).getAbsolutePath(), str, context.getClassLoader()))));
    Object a2 = getPathList(pathClassLoader);
    setField(a2, a2.getClass(), "dexElements", a);
    pathClassLoader.loadClass(str2);
}

Example 55 with PathClassLoader

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

the class HotFix method injectBelowApiLevel14.

/**
 * 小于 API 14 的插桩策略
 *
 * @param context context
 * @param str 插件 dex 的路径
 * @param str2 插件 dex 中要修复的类 name
 * @throws ClassNotFoundException
 * @throws NoSuchFieldException
 * @throws IllegalAccessException
 */
@TargetApi(14)
private static void injectBelowApiLevel14(Context context, String str, String str2) throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException {
    PathClassLoader obj = (PathClassLoader) context.getClassLoader();
    DexClassLoader dexClassLoader = new DexClassLoader(str, context.getDir("dex", 0).getAbsolutePath(), str, context.getClassLoader());
    dexClassLoader.loadClass(str2);
    setField(obj, PathClassLoader.class, "mPaths", appendArray(getField(obj, PathClassLoader.class, "mPaths"), getField(dexClassLoader, DexClassLoader.class, "mRawDexPath")));
    setField(obj, PathClassLoader.class, "mFiles", combineArray(getField(obj, PathClassLoader.class, "mFiles"), getField(dexClassLoader, DexClassLoader.class, "mFiles")));
    setField(obj, PathClassLoader.class, "mZips", combineArray(getField(obj, PathClassLoader.class, "mZips"), getField(dexClassLoader, DexClassLoader.class, "mZips")));
    setField(obj, PathClassLoader.class, "mDexs", combineArray(getField(obj, PathClassLoader.class, "mDexs"), getField(dexClassLoader, DexClassLoader.class, "mDexs")));
    obj.loadClass(str2);
}