android8.1 Mtk apk安装时默认授权

 

有时候预装第三方应用时需要一些权限才能正常打开,但又不能出现那些权限提示,可在下列地方进行修改。

源码:

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

                case PermissionInfo.PROTECTION_SIGNATURE: {
                    // For all apps signature permissions are install time ones.
                    allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions);
                    if (allowedSig) {
                        grant = GRANT_INSTALL;
                    }
                } break;
            }
            if (pkg.packageName.equals("com.****.*****")) {
                grant = GRANT_INSTALL;
            }

            if (DEBUG_INSTALL) {
                Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
            }

            if (grant != GRANT_DENIED) {

主要就是在安装时,通过包名判断,设置了grant = GRANT_INSTALL;

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