android.content.Context#getClassLoader

Source File: EmuDetector.java From Telegram-FOSS with GNU General Public License v2.0

6 votes

private String getProp(Context context, String property) {
    try {
        ClassLoader classLoader = context.getClassLoader();
        Class<?> systemProperties = classLoader.loadClass("android.os.SystemProperties");

        Method get = systemProperties.getMethod("get", String.class);

        Object[] params = new Object[1];
        params[0] = property;

        return (String) get.invoke(systemProperties, params);
    } catch (Exception exception) {
        // empty catch
    }
    return null;
}

Source File: HotFix.java From Android-Tech with Apache License 2.0

6 votes

@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);
}

Source File: MultiDexUtils.java From iGap-Android with GNU Affero General Public License v3.0

6 votes

/**
 * Get all loaded external classes name in "classes2.dex", "classes3.dex" ....
 *
 * @return get all loaded external classes
 */
public List<String> getLoadedExternalDexClasses(Context context) {
    try {
        final List<String> externalDexClasses = getExternalDexClasses(context);
        if (externalDexClasses != null && !externalDexClasses.isEmpty()) {
            final ArrayList<String> classList = new ArrayList<>();
            final java.lang.reflect.Method m = ClassLoader.class.getDeclaredMethod("findLoadedClass", new Class[]{String.class});
            m.setAccessible(true);
            final ClassLoader cl = context.getClassLoader();
            for (String clazz : externalDexClasses) {
                if (m.invoke(cl, clazz) != null) {
                    classList.add(clazz.replaceAll("\\.", "/").replaceAll("$", ".class"));
                }
            }
            return classList;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

Source File: AppUtils.java From AndroidNavigation with MIT License

6 votes

public static boolean isVivoCutout(Context context) {
    if (!isVivo()) {
        return false;
    }

    boolean ret = false;

    try {
        ClassLoader cl = context.getClassLoader();
        Class ftFeature = cl.loadClass("android.util.FtFeature");
        Method[] methods = ftFeature.getDeclaredMethods();
        if (methods != null) {
            for (int i = 0; i < methods.length; i++) {
                Method method = methods[i];
                if (method.getName().equalsIgnoreCase("isFeatureSupport")) {
                    ret = (boolean) method.invoke(ftFeature, NOTCH_IN_SCREEN_VOIO);
                    break;
                }
            }
        }
    } catch (Exception e) {
        // ignore
    }

    return ret;
}

Source File: ClassLoaderInjectHelper.java From Neptune with Apache License 2.0

6 votes

/**
 * api >= 14时，注入jar
 *
 * @param context application object
 * @param dexPath lib path
 * @return inject object
 */
private static InjectResult injectAboveEqualApiLevel14(Context context, String dexPath, String soPath) {
    PathClassLoader pathClassLoader = (PathClassLoader) context.getClassLoader();
    File optDir = PluginInstaller.getPluginInjectRootPath(context);
    FileUtils.checkOtaFileValid(optDir, new File(dexPath));
    DexClassLoader dexClassLoader = new DexClassLoader(dexPath, optDir.getAbsolutePath(), soPath,
            pathClassLoader);
    InjectResult result = null;

    // If version > 22 LOLLIPOP_MR1
    if (Build.VERSION.SDK_INT > 22) {
        result = injectAboveApiLevel22(pathClassLoader, dexClassLoader);
    } else {
        result = injectAboveEqualApiLevel14(pathClassLoader, dexClassLoader);
    }

    return result;
}

Source File: VDUtility.java From NewsMe with Apache License 2.0

6 votes

/**
 * 用反射方式加载类
 * 
 * @param context
 * @param path
 * @return
 */
public static Object loadClass(Context context, String path) {
	try {
		String dexPath = context.getApplicationInfo().sourceDir;
		PathClassLoader pathClassLoader = new PathClassLoader(dexPath,
				context.getClassLoader());
		Class<?> c = Class.forName(path, true, pathClassLoader);
		Object ret = c.newInstance();
		return ret;
	} catch (InstantiationException ex1) {
		ex1.printStackTrace();
	} catch (IllegalAccessException ex2) {
		ex2.printStackTrace();
	} catch (ClassNotFoundException ex3) {
		ex3.printStackTrace();
	}

	return null;
}

Source File: HotFix.java From SDKHoxFix with Apache License 2.0

6 votes

@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);
}

Source File: PluginServiceClient.java From springreplugin with Apache License 2.0

5 votes

/**
 * 启动 Service 时，从 Intent 中获取 ComponentName
 */
private static ComponentName getServiceComponentFromIntent(Context context, Intent intent) {
    ClassLoader cl = context.getClassLoader();
    String plugin = PluginFactory.fetchPluginName(cl);

    /* Intent 中已指定 ComponentName */
    if (intent.getComponent() != null) {
        // 根据 Context 所带的插件信息，来填充 Intent 的 ComponentName 对象。具体见方法说明
        return PluginClientHelper.getComponentNameByContext(context, intent.getComponent());

    } else {
        /* Intent 中已指定 Action，根据 action 解析出 ServiceInfo */
        if (!TextUtils.isEmpty(intent.getAction())) {
            ComponentList componentList = PluginFactory.queryPluginComponentList(plugin);
            if (componentList != null) {
                // 返回 ServiceInfo 和 Service 所在的插件
                Pair<ServiceInfo, String> pair = componentList.getServiceAndPluginByIntent(context, intent);
                if (pair != null) {
                    return new ComponentName(pair.second, pair.first.name);
                }
            }
        } else {
            if (LOG) {
                LogDebug.d(PLUGIN_TAG, "PSS.startService(): No Component and no Action");
            }
        }
    }
    return null;
}

Source File: HotFix.java From letv with Apache License 2.0

5 votes

@TargetApi(14)
private static void injectBelowApiLevel14(Context context, String str) throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException {
    PathClassLoader obj = (PathClassLoader) context.getClassLoader();
    DexClassLoader dexClassLoader = new DexClassLoader(str, context.getDir(Constant.JAR_IN_FOLDER_NAME, 0).getAbsolutePath(), str, context.getClassLoader());
    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")));
}

Source File: PluginUtils.java From NGA-CLIENT-VER-OPEN-SOURCE with GNU General Public License v2.0

5 votes

public static ClassLoader createClassLoader(String name) {
    Context context = ApplicationContextHolder.getContext();
    File extractFile = context.getFileStreamPath(name);
    String dexPath = extractFile.getPath();
    String libPath = PluginUtils.unzipLibraryFile(dexPath, extractFile.getParent());
    File fileRelease = context.getDir("dex", Context.MODE_PRIVATE);
    return new DexClassLoader(dexPath, fileRelease.getAbsolutePath(), libPath, context.getClassLoader());
}

Source File: PluginSupportFragment.java From Neptune with Apache License 2.0

5 votes

@Override
public void onAttach(Context context) {
    super.onAttach(context);
    // 如果当前 ClassLoader 与 context 的 classLoader 不一致，则为宿主运行
    mInHost = getClass().getClassLoader() != context.getClassLoader();
    if (mInHost) {
        initPackageName();
        modifyHostContextForPlugin();
    }
}

Source File: WelcomeAty.java From Huochexing12306 with Apache License 2.0

5 votes

public static String getProp(Context context, String property) {
 	try {
 		ClassLoader cl = context.getClassLoader();
 		@SuppressWarnings("rawtypes")
Class SystemProperties = cl.loadClass("android.os.SystemProperties");
 		@SuppressWarnings("unchecked")
Method method = SystemProperties.getMethod("get", String.class);
 		Object[] params = new Object[1];
 		params[0] = new String(property);
 		return (String)method.invoke(SystemProperties, params);
 	} catch (Exception e) {
 		return null;
 	}
 }

Source File: FixDexUtils.java From My-MVP with Apache License 2.0

5 votes

private static void doDexInject(Context appContext, HashSet<File> loadedDex) {
    String optimizeDir = appContext.getFilesDir().getAbsolutePath() + File.separator + OPTIMIZE_DEX_DIR;// data/data/包名/files/optimize_dex（这个必须是自己程序下的目录）
    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(
                    dex.getAbsolutePath(),// 修复好的dex（补丁）所在目录
                    fopt.getAbsolutePath(),// 存放dex的解压目录（用于jar、zip、apk格式的补丁）
                    null,// 加载dex时需要的库
                    pathLoader// 父类加载器
            );
            // 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();
    }
}

Source File: HotFix.java From HotFix with MIT License

5 votes

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);
}

Source File: PluginClientHelper.java From springreplugin with Apache License 2.0

5 votes

/**
 * 根据Context所带的插件信息，来填充Intent的ComponentName对象
 * 若外界将Context.xxxService方法用PluginServiceClient代替（如编译工具所做的），则这里会做如下事情：
 *      1、将外界传递的Intent为com.qihoo360.mobilesafe的包名，变成一个特定插件的包名
 *      2、这样交给外界的时候，其ComponentName已变成“插件名-类名”的形式，可以做下一步处理
 *      3、若其后处理失败，则仍会调用系统的相应方法（但不是该函数的职责）
 *
 * @param c    根据Context内容来决定如何填充Intent，此为那个Context对象
 * @param from ComponentName
 * @return 新的ComponentName。或者如果插件有问题，则返回from
 */
public static ComponentName getComponentNameByContext(Context c, ComponentName from) {
    if (from == null) {
        // 如果Intent里面没有带ComponentName，则我们不支持此特性，直接返回null
        // 外界会直接调用其系统的对应方法
        return null;
    }
    String appPackage = IPC.getPackageName();
    if (!TextUtils.equals(from.getPackageName(), appPackage)) {
        // 自己已填好了要使用的插件名（作为CN的Key），这里不做处理
        return from;
    }

    // 根据Context的ClassLoader来看到底属于哪个插件，还是只是主程序
    ClassLoader cl = c.getClassLoader();
    String pn = PluginFactory.fetchPluginName(cl);
    if (TextUtils.isEmpty(pn)) {
        // 获得了无效的插件信息，这种情况很少见，故打出错误信息，什么也不做
        if (LOGR) {
            LogRelease.e(PLUGIN_TAG, "pch.iibc: pn is n. n=" + from);
        }
    } else if (TextUtils.equals(pn, RePlugin.PLUGIN_NAME_MAIN)) {
        // 此Context属于主工程，则也什么都不做。稍后会直接走“主程序的Context”来做处理
        if (LOG) {
            LogDebug.d(PLUGIN_TAG, "PluginClientHelper.iibc(): Call Main! n=" + from);
        }
    } else {
        // 将Context所在的插件名写入CN中，待后面的方法去处理
        if (LOG) {
            LogDebug.d(PLUGIN_TAG, "PluginClientHelper.iibc(): Call Plugin! n=" + from);
        }
        return new ComponentName(pn, from.getClassName());
    }
    return from;
}

Source File: SecondaryDex.java From secondary-dex-gradle with Apache License 2.0

5 votes

/**
 * Loads Dexes
 *
 * @param cxt    Application or Activity Context
 * @param dexDir The Dex Directory: Example: {@code /data/data/com.beetalk/app_dex/}
 * @param names
 * @return
 */
private static boolean appendOdexesToClassPath(Context cxt, File dexDir, String[] names) {
    // non-existing ZIP in classpath causes an exception on ICS
    // so filter out the non-existent
    String strDexDir = dexDir.getAbsolutePath();
    ArrayList<String> zipPaths = new ArrayList<String>();
    for (int i = 0; i < names.length; i++) {
        String zipPath = strDexDir + '/' + names[i];
        File f = new File(zipPath);
        if (f.isFile()) {
            zipPaths.add(zipPath);
        }
    }

    String[] zipsOfDex = new String[zipPaths.size()];
    zipPaths.toArray(zipsOfDex);

    PathClassLoader pcl = (PathClassLoader) cxt.getClassLoader();
    // do something dangerous
    try {
        if (Build.VERSION.SDK_INT < SDK_INT_ICS) {
            FrameworkHack.appendDexListImplUnderICS(zipsOfDex, pcl, dexDir);
        } else { // ICS+
            boolean kitkatPlus = Build.VERSION.SDK_INT >= SDK_INT_KITKAT;
            ArrayList<File> jarFiles = strings2Files(zipsOfDex);
            FrameworkHack.appendDexListImplICS(jarFiles, pcl, dexDir, kitkatPlus);
        }
        // update theAppended if succeeded to prevent duplicated classpath entry
        for (String jarName : names) {
            theAppended.add(jarName);
        }
        Log.d(LOG_TAG, "appendOdexesToClassPath completed : " + pcl);
        Log.d(LOG_TAG, "theAppended : " + theAppended);
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
    return true;
}

Source File: ViewProxyBuilder.java From ViewInspector with Apache License 2.0

4 votes

private ViewProxyBuilder(Context context, Class<T> clazz) {
  mContext = context;
  mBaseClass = clazz;
  mParentClassLoader = context.getClassLoader();
}

Source File: PluginViewInflater.java From Android-Plugin-Framework with MIT License

4 votes

private ClassLoader getClassLoader(Context context, String name, String prefix) {
    return context.getClassLoader();
}

Source File: VClientImpl.java From container with GNU General Public License v3.0

4 votes

public ClassLoader getClassLoader(ApplicationInfo appInfo) {
    Context context = createPackageContext(appInfo.packageName);
    return context.getClassLoader();
}

Source File: MonoPackageManager.java From Argus-RAT with GNU General Public License v3.0

4 votes

public static void LoadApplication (Context context, ApplicationInfo runtimePackage, String[] apks)
{
	synchronized (lock) {
		if (context instanceof android.app.Application) {
			Context = context;
		}
		if (!initialized) {
			android.content.IntentFilter timezoneChangedFilter  = new android.content.IntentFilter (
					android.content.Intent.ACTION_TIMEZONE_CHANGED
			);
			context.registerReceiver (new mono.android.app.NotifyTimeZoneChanges (), timezoneChangedFilter);
			
			System.loadLibrary("monodroid");
			Locale locale       = Locale.getDefault ();
			String language     = locale.getLanguage () + "-" + locale.getCountry ();
			String filesDir     = context.getFilesDir ().getAbsolutePath ();
			String cacheDir     = context.getCacheDir ().getAbsolutePath ();
			String dataDir      = getNativeLibraryPath (context);
			ClassLoader loader  = context.getClassLoader ();

			Runtime.init (
					language,
					apks,
					getNativeLibraryPath (runtimePackage),
					new String[]{
						filesDir,
						cacheDir,
						dataDir,
					},
					loader,
					new java.io.File (
						android.os.Environment.getExternalStorageDirectory (),
						"Android/data/" + context.getPackageName () + "/files/.__override__").getAbsolutePath (),
					MonoPackageManager_Resources.Assemblies,
					context.getPackageName ());
			
			mono.android.app.ApplicationRegistration.registerApplications ();
			
			initialized = true;
		}
	}
}

Java Code Examples for android.content.Context#getClassLoader()