A new Flutter Make Phone Calls application.

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• Add these lines to AndroidManifest.xml under manifest.

<queries>
  <!-- If your app makes calls -->
  <intent>
    <action android:name="android.intent.action.DIAL" />
    <data android:scheme="tel" />
  </intent>
</queries>

• Add these lines to Info.plist under dict.

<key>LSApplicationQueriesSchemes</key>
<array>
  <string>tel</string>
</array>