6.0系统，无法更新插件皮肤

[imesong]

在6.0 系统上，无法更新皮肤功能，定位到代码是因为 对 sdcard读取权限的问题

            @Override
            protected Resources doInBackground(String... params) {
                try {
                    if (params.length == 1) {
                        String skinPkgPath = params[0];

                        File file = new File(skinPkgPath); 
                        if(file == null || !file.exists()){
                            return null;
                        }

                        PackageManager mPm = context.getPackageManager();
                        PackageInfo mInfo = mPm.getPackageArchiveInfo(skinPkgPath, PackageManager.GET_ACTIVITIES);
                        skinPackageName = mInfo.packageName;

                        AssetManager assetManager = AssetManager.class.newInstance();
                        Method addAssetPath = assetManager.getClass().getMethod("addAssetPath", String.class);
                        addAssetPath.invoke(assetManager, skinPkgPath);

                        Resources superRes = context.getResources();
                        Resources skinResource = new Resources(assetManager,superRes.getDisplayMetrics(),superRes.getConfiguration());

                        SkinConfig.saveSkinPath(context, skinPkgPath);

                        skinPath = skinPkgPath;
                        isDefaultSkin = false;
                        return skinResource;
                    }
                    return null;
                } catch (Exception e) {
                    e.printStackTrace();
                    return null;
                }
            };

代码L160，获取的mInfo == null。

[MMLoveMeMM]

检查权限,检查skin资源包路径,把skin资源放在手机内部sdcard文件夹下,不要放在扩展的sdcard中.

[401885064]

对，android4.4以后就不允许在外部SD卡读写了