[Flutter] Permission

Native Setting

-  aos

path : android/app/src/main/AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <uses-permission android:name="android.permission.INTERNET" />

    ...
</manifest>

 

 

- ios

path : ios/Runner/Info.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>NSCameraUsageDescription</key>
    <string>request camera granted</string>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationPortraitUpsideDown</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
	<key>CADisableMinimumFrameDurationOnPhone</key>
	<true/>
	<key>UIApplicationSupportsIndirectInputEvents</key>
	<true/>
</dict>
</plist>

 

 

---

Flutter setting

- flutter

path : puspec.yaml (or terminal)

dependencies:
  flutter:
    sdk: flutter


  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^1.0.2
  permission_handler: ^x.x.x

# terminal

flutter pub add permission_handler

 

https://pub.dev/packages/permission_handler

permission_handler | Flutter Package

 

 

 

Use permission_handler library

import

import 'package:permission_handler/permission_handler.dart';

  void requestPermission() async {
    final permission = await Permission.camera.request();

    print('what response string? permission:$permission');

    if (permission == PermissionStatus.granted) {
      print('permission granted success');
    } else {
      print('permission denied or cancel');
    }
  }

  Future<bool> init() async {
    final Map<Permission, PermissionStatus> response = await [Permission.camera, Permission.microphone].request();

    final cameraPermission = response[Permission.camera];
    final micPermission =response[Permission.microphone];

    if (cameraPermission != PermissionStatus.granted || micPermission != PermissionStatus.granted) {
      throw '카메라 또는 마이크 권한이 없습니다';
    }

    return true;
  }

 

 

FutureBuilder

this Widget can wait receive return type of Future.
if Future type function receive data.

so FutureBuilder execute build method.

changed data return argument snapshot.

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('LIVE'),
      ),
      body: FutureBuilder(
        future: init(),
        builder: (context, snapshot) {
          if (snapshot.hasError) {
            return Center(
              child: Text(snapshot.error.toString()),
            );
          }
          // receive data not yet.
          if (!snapshot.hasData) {
            return const Center(
              child: CircularProgressIndicator(),
            );
          }

          return Center(
            child: Text('모든 권한이 있다.'),
          );
        },
      ),
    );
  }

 

 

2024-05-28-화 Permission 허용안함 및 취소시 시스템 설정으로 이동하기

add

flutter pub add app_settings

 

use

await AppSettings.openAppSettings();

 

예시코드

  bool isRequest = await showDialog(context: context, builder: (context) => AlertDialog(
                title: Text("알림".tr()),
                content: Text("알림 권한을 허용해주세요"),
                actions: [
                  TextButton(
                    onPressed: () => Navigator.pop(context, false),
                    child: Text("취소".tr(), style: const TextStyle(color: Colors.redAccent),),
                  ),
                  TextButton(
                    onPressed: () => Navigator.pop(context, true),
                    child: Text("이동".tr(), style: const TextStyle(color: Colors.blueAccent),),
                  )
                ],
              ),) ?? false;

              if (isRequest) {
                await AppSettings.openAppSettings();
                if (await alarmProvider.requestPermission) {
                  timeOfDate = await showDialog(
                    context: context,
                    builder: (context) => const PlanTimePickerDialog(),
                  );
                  if (timeOfDate != null) {
                    Log.s("timeOfDate:$timeOfDate");
                    isAlarm = true;
                  }
                }
              }