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  • Дата: 07.01.2024

When you install an app from Google Play on a device running Android 6.0 and up or on a Chromebook, you control which capabilities or information that app can access-known as permissions. For example, an app might want permission to see your device contacts or location. You can control which permissions an app can access after the app installs on your device.

Tip: To find which version of Android your device uses, open your device"s Settings app. Then, tap System About phone or About tablet .

When you install an app

When you download apps from the Play Store, some apps will ask for permission to use information before you install. When you download apps that are built for Android 6.0 and up, you can allow or deny permissions once you start using them.

When apps are installed on your device

When an app installed on your device updates, there may be changes to the permissions for that app.

If you have automatic updates turned on

For apps built for Android 6.0 and up: You won"t need to review or accept permission changes for the app to update. The first time you use a feature that uses a new permission, you can allow or deny the use of that data or capability.

For other apps: You won"t need to review or accept permissions you"ve already accepted for an app again. If the app needs access to new permissions groups or permissions in the "Other" group, you"ll be asked to accept the update even if you"ve set up automatic updates.

If you prefer to review each update manually, you can turn off auto-updates with the instructions below.

Turn off auto-updates

If you want to review each update before installing it, you can turn off auto-updates.

Turn off auto-updates for specific apps

Turn off auto-updates for all apps

Turn permissions on or off

You can change the permissions that apps can access in the main Settings app on your device at any time. Keep in mind turning off permissions may cause apps on your device to lose functionality.

Note: If you"re using a work, school, or government Google Account, your administrator may use the Device Policy app to control certain permissions.

See all permissions for each app

For apps installed on your device

For instant apps

See all apps installed on your device that can access particular permissions Check app permissions if an app isn"t working

If a feature within an app isn"t working as you would expect, try the steps below.

Последнее обновление: 21.03.2017

В прошлой теме мы рассмотрели сохранение и чтение файлов из каталога приложения. По умолчанию такие файлы доступны только самому приложения. Однако мы можем помещать и работать с файлами из внешнего хранилища. Это также позволит другим программам открывать данные файлы и при необходимости изменять.

Весь механизм работы с файлами будет таким же, как и при работе с хранилищем приложения. Ключевым отличием здесь будет получение и использование пути к внешнему хранилищу через метод Environment.getExternalStorageDirectory()

Итак, пусть в файле activity_main.xml будет такая же разметка интерфейса: