🔄 app_installer_plus #

A Flutter plugin to download and install APKs on Android. Ideal for in-app updates or installing APKs from a URL.

✅ Android-only | 📦 Installs APKs using FileProvider | 📊 Download progress support

✨ Features #

• Download APK from any direct URL
• Show download progress
• Automatically install the APK
• Uses Android FileProvider to handle secure file access

Android Configuration #

1. Add this to your AndroidManifest.xml inside the <application> tag :

<provider
    android:name="androidx.core.content.FileProvider"
    android:authorities="${applicationId}.fileprovider"
    android:exported="false"
    android:grantUriPermissions="true">
    <meta-data
        android:name="android.support.FILE_PROVIDER_PATHS"
        android:resource="@xml/file_paths" />
</provider>

2. Create a file named file_paths.xml inside the android/app/src/main/res/xml/ folder:

<paths xmlns:android="http://schemas.android.com/apk/res/android">
    <external-path name="external_files" path="."/>
    <files-path name="files" path="."/>
</paths>

3. Add Permission

• In android/app/src/main/AndroidManifest.xml, add these permission:

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>

Code Example #

1. Apk Update

await AppInstallerPlus().downloadAndInstallApk(
    downloadFileUrl: "https://www.example.com/myapp.apk",
    onError: (error) {
      // show the error message here
    },
    onProgress: (progress) {
      // handle the progress here
      },
);

• downloadFileUrl

  • Type: String
  • Description: Direct URL of the APK file to download and install.

• onError

  • Type: Function(String error)
  • Description: Callback triggered when an error occurs.

• onProgress

  • Type: Function(double progress)
  • Description:
    • Tracks real-time download progress.
    • Value ranges from 0.0 to 1.0 (e.g., 0.5 = 50%).

2. Delete the downloaded apk

  await AppInstallerPlus().removedDownloadedApk()

• Remove the downloaded apk once the process completed

📦 Installation #

Add this to your pubspec.yaml:

dependencies:
  app_installer_plus: ^1.0.1