android 9 第三方app默认拥有权限

修改路径：

frameworks\base\services\core\java\com\android\server\pm\PackageManagerService.java

修改内容：

    private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions,           ...            // Now that we successfully installed the package, grant runtime            // permissions if requested before broadcasting the install. Also            // for legacy apps in permission review mode we clear the permission            // review flag which is used to emulate runtime permissions for            // legacy apps.           - //if (grantPermissions) {           + Log.i(TAG, "handlePackagePostInstall==>>" + res.name);            if (grantPermissions || res.name.equals("com.iflytek.inputmethod")) {                final int callingUid = Binder.getCallingUid();                mPermissionManager.grantRequestedRuntimePermissions(                        res.pkg, res.newUsers, grantedPermissions, callingUid,                        mPermissionCallback);            }        ...}

对于预装软件，据说是在DefaultPermissionGrantPolicy里面改的，不过我没测试

frameworks\base\services\core\java\com\android\server\pm\permission\DefaultPermissionGrantPolicy.java

函数：

private void grantDefaultSystemHandlerPermissions(int userId)

参考：

https://blog.csdn.net/tt11212/article/details/87436128?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task

https://blog.csdn.net/qq_28837389/article/details/96999712?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task

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