【はじめてのAndroidアプリ開発】プッシュ通知

7 Simple Ways to Enable + Use the Notification Bar on Android

Create and manage notification channels  |  Views  |  Android Developers

Android Security: App permissions, to grant or not to grant?

Android 13 to have notifications permission, per-app language setting: Check details here

Samsung's second Android 13 beta adds 'Privacy Detection' when sharing photos, more

How to Fix Android Messages Having No Notification Sound