adv_camera 1.1.1

An advanced camera with features

example/lib/main.dart

import 'dart:io';

import 'package:adv_camera/adv_camera.dart';
import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  List<String> pictureSizes = [];
  String imagePath;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
          appBar: AppBar(
            title: const Text('Plugin example app'),
          ),
          body: SafeArea(
            child: Stack(
              children: [
                Column(
                  children: [
                    SingleChildScrollView(
                      scrollDirection: Axis.horizontal,
                      child: Container(
                        color: Colors.purple,
                        child: Row(
                          children: [
                            FlatButton(
                              child: Text("Auto"),
                              onPressed: () {
                                cameraController.setFlashType(FlashType.auto);
                              },
                            ),
                            FlatButton(
                              child: Text("On"),
                              onPressed: () {
                                cameraController.setFlashType(FlashType.on);
                              },
                            ),
                            FlatButton(
                              child: Text("Off"),
                              onPressed: () {
                                cameraController.setFlashType(FlashType.off);
                              },
                            ),
                            FlatButton(
                              child: Text("Torch"),
                              onPressed: () {
                                cameraController.setFlashType(FlashType.torch);
                              },
                            ),
                          ],
                        ),
                      ),
                    ),
                    SingleChildScrollView(
                      scrollDirection: Axis.horizontal,
                      child: Container(
                        color: Colors.orange,
                        child: Row(
                          children: [
                            FlatButton(
                              child: Text(Platform.isAndroid ? "1:1" : "Low"),
                              onPressed: () {
                                cameraController
                                    .setPreviewRatio(CameraPreviewRatio.r1);
                                cameraController
                                    .setSessionPreset(CameraSessionPreset.low);
                              },
                            ),
                            FlatButton(
                              child:
                                  Text(Platform.isAndroid ? "4:3" : "Medium"),
                              onPressed: () {
                                cameraController
                                    .setPreviewRatio(CameraPreviewRatio.r4_3);
                                cameraController.setSessionPreset(
                                    CameraSessionPreset.medium);
                              },
                            ),
                            FlatButton(
                              child: Text(Platform.isAndroid ? "11:9" : "High"),
                              onPressed: () {
                                cameraController
                                    .setPreviewRatio(CameraPreviewRatio.r11_9);
                                cameraController
                                    .setSessionPreset(CameraSessionPreset.high);
                              },
                            ),
                            FlatButton(
                              child: Text(Platform.isAndroid ? "16:9" : "Best"),
                              onPressed: () {
                                cameraController
                                    .setPreviewRatio(CameraPreviewRatio.r16_9);
                                cameraController.setSessionPreset(
                                    CameraSessionPreset.photo);
                              },
                            ),
                          ],
                        ),
                      ),
                    ),
                    Container(
                      color: Colors.blue,
                      child: SingleChildScrollView(
                        scrollDirection: Axis.horizontal,
                        child: Row(
                          children: this.pictureSizes.map((pictureSize) {
                            return FlatButton(
                              child: Text(pictureSize),
                              onPressed: () {
                                cameraController.setPictureSize(
                                    int.tryParse(pictureSize.substring(
                                        0, pictureSize.indexOf(":"))),
                                    int.tryParse(pictureSize.substring(
                                        pictureSize.indexOf(":") + 1,
                                        pictureSize.length)));
                              },
                            );
                          }).toList(),
                        ),
                      ),
                    ),
                    Expanded(
                        child: Container(
                      child: AdvCamera(
                        onCameraCreated: _onCameraCreated,
                        onImageCaptured: (String path) {
                          print("onImageCaptured => " + path);
                          if (this.mounted)
                          setState(() {
                            imagePath = path;
                          });
                        },
                        cameraPreviewRatio: CameraPreviewRatio.r16_9,
                      ),
                    )),
                  ],
                ),
                Positioned(
                  bottom: 16.0,
                  left: 16.0,
                  child: imagePath != null
                      ? Container(
                          width: 100.0,
                          height: 100.0,
                          child: Image.file(File(imagePath)))
                      : Icon(Icons.image),
                )
              ],
            ),
          ),
          floatingActionButton: Column(
              crossAxisAlignment: CrossAxisAlignment.end,
              mainAxisSize: MainAxisSize.min,
              children: [
                FloatingActionButton(
                    child: Icon(Icons.switch_camera),
                    onPressed: () {
                      cameraController.switchCamera();
                    }),
                Container(height: 16.0),
                FloatingActionButton(
                    child: Icon(Icons.camera),
                    onPressed: () {
                      cameraController.captureImage();
                    }),
              ])),
    );
  }

  AdvCameraController cameraController;

  _onCameraCreated(AdvCameraController controller) {
    this.cameraController = controller;

    this.cameraController.getPictureSizes().then((pictureSizes) {
      setState(() {
        this.pictureSizes = pictureSizes;
      });
    });
  }
}