1-) FLUTTER - ios ve android http calistirmak için bunları ekle https de gerek yok

İOS İÇİN (ios-runner-info.plist)

<key>NSAppTransportSecurity</key>
        <dict>
            <key>NSAllowsArbitraryLoads</key>
            <true/>
        </dict>

</dict>

ANDROİD İÇİN -> (android manifest.xml)

android:usesCleartextTraffic="true"