Removing Default Permissions

By default, some permissions are added to your Android APK.

The default permissions that get added are:

  • android.permission.INTERNET - Required for debug mode.
  • android.permission.SYSTEM_ALERT_WINDOW - Required for debug mode.
  • android.permission.READ_PHONE_STATE - Not required for debug or production.
  • android.permission.WRITE_EXTERNAL_STORAGE - Not required for debug or production.
  • android.permission.READ_EXTERNAL_STORAGE - Not required for debug or production.
  1. Let's start by removing READ_PHONE_STATE, WRITE_EXTERNAL_STORAGE, and READ_EXTERNAL_STORAGE from both production and debug APKs, as it is not required in either. These storage permissions are still not needed if AsyncStorage module is in use, so it is safe to remove from both production and debug.

  2. Open your android/app/src/main/AndroidManifest.xml file.

  3. Even though these three permissions are not listed in the manifest they get added in. We add the three permissions with tools:node="remove" attribute, to make sure it gets removed during build. Note that the package identifier will be different, for below it is "com.myapp" because the project was created with react-native init myapp.

    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    +   xmlns:tools="http://schemas.android.com/tools"
        <uses-permission android:name="android.permission.INTERNET" />
        <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
    +   <uses-permission tools:node="remove" android:name="android.permission.READ_PHONE_STATE" />
    +   <uses-permission tools:node="remove" android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    +   <uses-permission tools:node="remove" android:name="android.permission.READ_EXTERNAL_STORAGE" />
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
          <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" />
  4. Now let's remove SYSTEM_ALERT_WINDOW from the production APK only.

  5. Go to the android/app/src/ directory. Create a new directory inside this directory, called release. (path: android/app/src/release/)

  6. Inside this android/app/src/release/ directory create a AndroidManifest.xml file. (path: android/app/src/release/AndroidManifest.xml)

  7. Inside this file paste the following conents. Note, make sure to update your package identifier from "com.myapp" to what yours is.

    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        <uses-permission tools:node="remove" android:name="android.permission.SYSTEM_ALERT_WINDOW" />

That's it. We did not remove the INTERNET permission as pretty much all apps use it. Now whenever you create a production APK all these 4 permissions will be removed. When you create a debug APK (react-native run-android) it will install the APK with only the three permissions removed, and SYSTEM_ALERT_WINDOW will remain.

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