怎么开启通用权限通知,在设置上怎么开启权限

/** * 1，设置手机通知权限 */ setPermissionsInform() { // #ifdef APP-PLUS if (plus.os.name == 'Android') { // 判断是Android var main = plus.android.runtimeMainActivity(); var pkName = main.getPackageName(); var uid = main.getApplicationInfo().plusGetAttribute('uid'); var NotificationManagerCompat = plus.android.importClass('android.support.v4.app.NotificationManagerCompat'); //android.support.v4升级为androidx if (NotificationManagerCompat == null) { NotificationManagerCompat = plus.android.importClass('androidx.core.app.NotificationManagerCompat'); } var areNotificationsEnabled = NotificationManagerCompat.from(main).areNotificationsEnabled(); // 未开通‘允许通知’权限，则弹窗提醒开通，并点击确认后，跳转到系统设置页面进行设置 if (!areNotificationsEnabled) { uni.showModal({ title: '通知权限开启提醒', content: '您还没有开启通知权限，无法接受到消息通知，请前往设置！', showCancel: false, confirmText: '去设置', success: function (res) { if (res.confirm) { var Intent = plus.android.importClass('android.content.Intent'); var Build = plus.android.importClass('android.os.Build'); //android 8.0引导 if (Build.VERSION.SDK_INT >= 26) { var intent = new Intent('android.settings.APP_NOTIFICATION_SETTINGS'); intent.putExtra('android.provider.extra.APP_PACKAGE', pkName); } else if (Build.VERSION.SDK_INT >= 21) { //android 5.0-7.0 var intent = new Intent('android.settings.APP_NOTIFICATION_SETTINGS'); intent.putExtra('app_package', pkName); intent.putExtra('app_uid', uid); } else { //(<21)其他--跳转到该应用管理的详情页 intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); var uri = Uri.fromParts('package', mainActivity.getPackageName(), null); intent.setData(uri); } // 跳转到该应用的系统通知设置页 main.startActivity(intent); } } }); } } else if (plus.os.name == 'iOS') { // 判断是ISO var isOn = undefined; var types = 0; var app = plus.ios.invoke('UIApplication', 'sharedApplication'); var settings = plus.ios.invoke(app, 'currentUserNotificationSettings'); if (settings) { types = settings.plusGetAttribute('types'); plus.ios.deleteObject(settings); } else { types = plus.ios.invoke(app, 'enabledRemoteNotificationTypes'); } plus.ios.deleteObject(app); isOn = 0 != types; if (isOn == false) { uni.showModal({ title: '通知权限开启提醒', content: '您还没有开启通知权限，无法接受到消息通知，请前往设置！', showCancel: false, confirmText: '去设置', success: function (res) { if (res.confirm) { var app = plus.ios.invoke('UIApplication', 'sharedApplication'); var setting = plus.ios.invoke('NSURL', 'URLWithString:', 'app-settings:'); plus.ios.invoke(app, 'openURL:', setting); plus.ios.deleteObject(setting); plus.ios.deleteObject(app); } } }); } } // #endif }