Package installer

Package installer — это инструмент, который позволяет вам с легкостью установить любой пакет в ваше Android-устройство. А точнее, этот инструмент поможет вам завершить процесс установки любого приложения или системного инструмента на устройствах Xiaomi.

Package installer прост в использовании, поэтому вам не понадобятся технические знания для завершения каждого процесса установки. Все, что вам нужно, — это установить инструмент в ваш смартфон Xiaomi, после чего вы сможете запустить любой APK-файл за считанные секунды. Таким образом, вам не нужно искать другой инструмент, предназначенный для этой же цели.

Загрузка APK-файла Package installer для Android — это отличный способ установить любой пакет, содержащий данные, связанные с данным приложением. Все это позволяет запускать на устройстве множество инструментов, не испытывая проблем с совместимостью и ошибок из-за нераспознанного формата.

Проверено Carlos Martínez Переведено Uptodown Localization Team

Требования (последняя версия)

• Требуется Android 6.0 или более новая версия

Больше информации

Имя пакета	com.miui.global.packageinstaller
Лицензия	Бесплатно
ОС	Android
Раздел	Общие
Язык	Pусский

What Is Android Package Installer? All You Need to Know

Android Package Installers allow users to install, upgrade, and uninstall apps on the phone. This includes apps from external third-party sources outside Google Playstore.

I came across android package installer when I was going through the list of apps installed on my phone. I was curious as to what it was since I couldn’t remember installing it. I’m guessing you’ve faced something similar too.

So, to help you understand what an Android Package Installer is, I have prepared this quick guide on how they work. So stick with me to the end to learn more.

What Is Android Package Installer Used For?

An Android Package installer is a software component that allows users to install applications on their Android phone. It is a package manager service that is bundled with the Android SDK and is located in the/tools directory. A pop

The installer allows users to install applications from sources other than the Google Play Store. Users can install applications from a variety of sources, including third-party websites, app stores, and sideloading.

An Android Package Installer app has several features that make it a valuable tool for developers and power users. The installer can verify that an Android app is properly signed before installing it. This helps ensure that only trusted applications are installed on a device.

The installer can also perform incremental updates to an existing application as well as install basic apps. This allows developers to quickly push out updates to their applications without having to re-upload the entire package.

A package installer is a powerful tool that can be used to install apps on an Android device. However, it is important to note that users should only install applications from trusted sources. Installing applications from untrusted sources can result in malicious software being installed on a device.

How Does Android Package Installer Work?

As you probably know, Android is a Linux-based operating system for mobile devices. Android uses the Java programming language, but because it runs on a virtual machine, it can also run compiled code written in other languages.

So why does Android use a package installer? Well, there are two reasons. First, it allows developers to ship their apps in a format that can be read by the system. Second, it provides a consistent user experience when installing or updating already installed apps.

When you download system apps from the Play Store, they come in the form of APK files. These files are just ZIP files with different extensions, which contain all the files that make up the app. The package installer extracts these files and places them in the proper locations on your device.

If an app is already installed on your device and you download an update for it from the Play Store, the package installer will just replace the old APK file with the new one. This process is transparent to the user and happens automatically in the background. This is what makes Android OS convenient.

So that’s how the Google Android packageinstaller works. It’s a simple but essential part of the Android ecosystem that allows users to install apps from a variety of sources.

Package Installer vs. Package Manager: What Are the Differences?

Package Installer	Package Manager
Helps you install apps on your Android device	Helps you manage installed apps already on your device
Comes pre-installed on your device	Needs to be installed separately
Can only install apps in .APK format	Can install apps in both .APK and .ZIP formats.
There’s no built-in app store for finding apps	It comes with a built-in app store for searching free and premium apps.

What Are the Benefits of Android Package Installers?

The Android Package Installer is a key part of the Android operating system. It is responsible for installing and uninstalling applications on Android devices. Let’s take a look at the benefits of using it.

• Ease of use: It has a simple user interface that makes it easy to install and uninstall applications on your Android device.
• Flexibility: It can be used to install or uninstall applications on your Android device, regardless of the make or model of the device.
• Efficiency: It installs applications quickly and without any issues.
• Reliability: It has been tested and proven to be stable and reliable.
• Security: The installer is secure. It uses a number of security measures to ensure that your Android device is safe from malicious software.
• Support: The installer is supported by a number of companies and organizations. This ensures that you will always have access to the latest version of your apps.
• Portability: The installer is portable. This means that you can use it on any computer or device that supports the Android operating system.

What Are the Challenges of Using Android Package Installer?

The package installer is one of the most important and commonly used Android Package Installers in Android development. It allows developers to install and manage applications on an Android device. However, using the Android Package Installer can be challenging due to its complexity and the number of potential problems that can occur.

One challenge of using the Google Android packageinstaller is that it can be difficult to get it to work correctly. There are a number of potential problems that can occur, such as errors while installing or uninstalling APK files, permissions issues, and more.

Another challenge is that the Android Package Installer is not very well documented. This can make it difficult to figure out how to use it or what the potential problems are.

Despite these challenges, a package installer is an essential tool for Android development. If you are having trouble using it, there are a number of resources available that can help, including the Android Developer website and various online forums.

With a little effort, you should be able to overcome any challenges and use the Android package installer successfully. Another point to note is that you can’t uninstall a package installer from your Android device.

Android Package Installer Attributes

If you’re a developer then you need to understand Android Package Installer attributes. They include the following:

• Name: This attribute showcases the name of the package.
• CodePath: This is the location of the APK file installation.
• NativeLibraryPath: This is the native library that has a default path described as /data/data/lib/.
• Version: This is the code of the version of the file AndroidManifest.xml.
• User ID: This is the ID/name of the Linux user.
• ShareUserID: This is the Linux UID that gets shared between apps.
• ft: This is the timestamp for the hex format.
• it: This is the hex format timestamp associated with the first installation.
• ut: The hex format timestamp associated with the last update.
• Flags: This shows info on the flags of apps.

Frequently Asked Questions

What Is com.google.android.packageinstaller?

Every app you install on your device will certainly have a name. com.google.android.packageinstaller is the package name of a pre-installed system app on your Android device. Unlike the package installer that works in the background while you install applications, com.google.android.packageinstaller is the name of each of the package names. However, these names vary based on the app you install.

Related Reading

Conclusion

Android Package Installers are an important part of the Android system. It plays a role in ensuring that installations and uninstallations of APK files are conducted the right way. Therefore, don’t get rid of it as that will cause problems for your device.

As Seen On
Darrel Bryant

There’s no two ways about it – I am a huge nerd and I love it! When I’m not testing out new gadgets, I’m pulling apart the ones that I do have at home to find out what makes them tick. Not a lot of them get put back together, but I have become a pro at telling the good gadgets from the bad!

Что такое «PackageInstaller» на Lollipop и как его использовать?

Я заметил, что в PackageManager есть новая функция, называемая getPackageInstaller, с minAPI 21 ( леденец).

Я достиг класса PackageInstaller, и об этом написано:

Предоставляет возможность устанавливать, обновлять и удалять приложения на устройство. Это включает поддержку приложений, упакованных либо в виде единого “монолитный” APK или приложения, упакованные как несколько “разделенных” APK.

Приложение поставляется для установки через PackageInstaller.Session, которое может создать любое приложение. После сеанса, установщик может передавать один или несколько APK на место до тех пор, пока он решает либо совершить, либо уничтожить сеанс. Согласие может для завершения установки требуется вмешательство пользователя.

Сессии могут устанавливать новые приложения, обновлять существующие приложения или добавлять новые распадается на существующее приложение.

Вопросы

• Для чего предназначен этот класс? Он доступен даже для сторонних приложений (я не вижу упоминания об этом)?
• Могут ли они действительно устанавливать приложения?
• Это делает это в фоновом режиме?
• Каковы ограничения?
• Требуется ли разрешение? Если да, то что?
• Есть ли учебник о том, как его использовать?

Лучший ответ:

ОК, я нашел несколько ответов:

1. Может использоваться для установки/обновления файлов APK, включая файлы split-APK. Может быть, даже больше.
2. Да, но пользователь должен будет подтвердить одно приложение за другим.
3. Может быть, если приложение встроено.
4. Кажется, нужно прочитать весь APK файл перед тем, как просить пользователя установить.
5. Требуется разрешение REQUEST_INSTALL_PACKAGES
6. Не нашли, но кто-то показал мне, как установить split-apk файлы, а здесь, как это сделать для одного файла с использованием SAF, с PackageInstaller и без него. Обратите внимание, что это всего лишь образец. Я не считаю хорошей практикой делать все это в потоке пользовательского интерфейса.

манифест

APKInstallService

class APKInstallService : Service() < @TargetApi(Build.VERSION_CODES.LOLLIPOP) override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int < when (intent.getIntExtra(PackageInstaller.EXTRA_STATUS, PackageInstaller.STATUS_FAILURE)) < PackageInstaller.STATUS_PENDING_USER_ACTION ->< Log.d("AppLog", "Requesting user confirmation for installation") val confirmationIntent = intent.getParcelableExtra(Intent.EXTRA_INTENT) confirmationIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) try < startActivity(confirmationIntent) >catch (e: Exception) < >> PackageInstaller.STATUS_SUCCESS -> Log.d("AppLog", "Installation succeed") else -> Log.d("AppLog", "Installation failed") > stopSelf() return START_NOT_STICKY > override fun onBind(intent: Intent) = null > 

Основная деятельность

class MainActivity : AppCompatActivity() < private lateinit var packageInstaller: PackageInstaller @TargetApi(Build.VERSION_CODES.O) override fun onCreate(savedInstanceState: Bundle?) < super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) setSupportActionBar(toolbar) packageInstaller = packageManager.packageInstaller val intent = Intent(Intent.ACTION_OPEN_DOCUMENT) intent.addCategory(Intent.CATEGORY_OPENABLE) intent.type = "application/vnd.android.package-archive" startActivityForResult(intent, 1) >// override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) < // super.onActivityResult(requestCode, resultCode, resultData) // if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && requestCode == 1 && resultCode == Activity.RESULT_OK && resultData != null) < // val uri = resultData.data // grantUriPermission(packageName, uri, Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION) // val intent = Intent(Intent.ACTION_INSTALL_PACKAGE)// // .setDataAndType(uri, "application/vnd.android.package-archive") // .putExtra(Intent.EXTRA_NOT_UNKNOWN_SOURCE, true) // .putExtra(Intent.EXTRA_RETURN_RESULT, false) // .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION) // startActivity(intent) // >override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) < super.onActivityResult(requestCode, resultCode, resultData) if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && requestCode == 1 && resultCode == Activity.RESULT_OK && resultData != null) < val uri = resultData.data ?: return grantUriPermission(packageName, uri, Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION) val installParams = PackageInstaller.SessionParams(PackageInstaller.SessionParams.MODE_FULL_INSTALL) var cursor: Cursor? = null var outputStream: OutputStream? = null var inputStream: InputStream? = null var session: PackageInstaller.Session? = null try < cursor = contentResolver.query(uri, null, null, null, null) if (cursor != null) < cursor.moveToNext() val fileSize = cursor.getLong(cursor.getColumnIndex(DocumentsContract.Document.COLUMN_SIZE)) val fileName = cursor.getString(cursor.getColumnIndex(DocumentsContract.Document.COLUMN_DISPLAY_NAME)) installParams.setSize(fileSize) cursor.close() val sessionId = packageInstaller.createSession(installParams) Log.d("AppLog", "Success: created install session [$sessionId] for file $fileName") session = packageInstaller.openSession(sessionId) outputStream = session.openWrite(System.currentTimeMillis().toString(), 0, fileSize) inputStream = contentResolver.openInputStream(uri) inputStream.copyTo(outputStream) session.fsync(outputStream) outputStream.close() outputStream = null inputStream.close() inputStream = null Log.d("AppLog", "Success: streamed $fileSize bytes") val callbackIntent = Intent(applicationContext, APKInstallService::class.java) val pendingIntent = PendingIntent.getService(applicationContext, 0, callbackIntent, 0) session. commit(pendingIntent.intentSender) session.close() session = null Log.d("AppLog", "install request sent. sessions:" + packageInstaller.mySessions) >> catch (e: Exception) < Log.d("AppLog", "error:$e") >finally < outputStream?.close() inputStream?.close() session?.close() cursor?.close() >> > > 

При подготовке материала использовались источники:
https://package-installer.ru.uptodown.com/

What Is Android Package Installer? All You Need to Know

Что такое "PackageInstaller" на Lollipop и как его использовать?