加载apk，并启动apk中activity

来源：互联网发布：淘宝延时收货多少天编辑：程序博客网时间：2024/05/29 15:14

加载apk，并启动apk中activity

private void loadPlugin() {        String pluginFolder = Environment.getExternalStorageDirectory() + "/download/plugin.apk";        File file = new File(pluginFolder);        if (file.exists()) {            PackageInfo packageInfo = getPackageManager().getPackageArchiveInfo(file.getPath(),                    PackageManager.GET_ACTIVITIES | PackageManager.GET_SERVICES);            if (packageInfo == null) {                return;            }            String launcherActivityName = null;            if (packageInfo.activities != null && packageInfo.activities.length > 0) {                launcherActivityName = packageInfo.activities[0].name;            }            Intent intent = new Intent();            intent.setPackage(packageInfo.packageName);            intent.setClassName(packageInfo.packageName, launcherActivityName);            startActivity(intent);//            DexClassLoader dexClassLoader = createDexClassLoader(file.getPath());//            AssetManager assetManager = createAssetManager(file.getPath());//            Resources resources = createResources(assetManager);        }    }    private DexClassLoader createDexClassLoader(String dexPath) {        File dexOutputDir = getDir("dex", Context.MODE_PRIVATE);        String dexOutputPath = dexOutputDir.getAbsolutePath();        String libPath = getDir("lib", Context.MODE_PRIVATE).getAbsolutePath();        DexClassLoader loader = new DexClassLoader(dexPath, dexOutputPath, libPath, getClassLoader());        return loader;    }    private AssetManager createAssetManager(String dexPath) {        try {            AssetManager assetManager = AssetManager.class.newInstance();            Method addAssetPath = assetManager.getClass().getMethod("addAssetPath", String.class);            addAssetPath.invoke(assetManager, dexPath);            return assetManager;        } catch (Exception e) {            e.printStackTrace();            return null;        }    }    private Resources createResources(AssetManager assetManager) {        Resources superRes = getResources();        Resources resources = new Resources(assetManager, superRes.getDisplayMetrics(), superRes.getConfiguration());        return resources;    }

0 0