hl_image_picker 1.2.11 hl_image_picker: ^1.2.11 copied to clipboard
Choose images/videos from the library, crop images, and capture new photos/videos with ease.
import 'package:flutter/material.dart';
import 'package:hl_image_picker/hl_image_picker.dart';
import 'package:hl_image_picker_example/widgets/aspect_ratio_select.dart';
import 'package:hl_image_picker_example/widgets/custom_switch.dart';
import 'package:hl_image_picker_example/widgets/increase_decrease.dart';
import 'package:hl_image_picker_example/widgets/media_preview.dart';
import 'package:hl_image_picker_example/widgets/media_type_select.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return const MaterialApp(
title: 'Image Picker Demo',
home: MyHomePage(title: 'Image Picker Example'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, this.title});
final String? title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final _picker = HLImagePicker();
List<HLPickerItem> _selectedImages = [];
bool _isCroppingEnabled = false;
int _count = 4;
MediaType _type = MediaType.all;
bool _isExportThumbnail = true;
bool _enablePreview = false;
bool _usedCameraButton = true;
int _numberOfColumn = 3;
bool _includePrevSelected = false;
CropAspectRatio? _aspectRatio;
List<CropAspectRatioPreset>? _aspectRatioPresets;
double _compressQuality = 0.9;
CroppingStyle _croppingStyle = CroppingStyle.normal;
_openPicker() async {
try {
final images = await _picker.openPicker(
cropping: _isCroppingEnabled,
selectedIds: _includePrevSelected
? _selectedImages.map((e) => e.id).toList()
: null,
pickerOptions: HLPickerOptions(
mediaType: _type,
enablePreview: _enablePreview,
isExportThumbnail: _isExportThumbnail,
thumbnailCompressFormat: CompressFormat.jpg,
thumbnailCompressQuality: 0.9,
maxSelectedAssets: _isCroppingEnabled ? 1 : _count,
usedCameraButton: _usedCameraButton,
numberOfColumn: _numberOfColumn,
isGif: true,
),
cropOptions: HLCropOptions(
aspectRatio: _aspectRatio,
aspectRatioPresets: _aspectRatioPresets,
compressQuality: _compressQuality,
compressFormat: CompressFormat.jpg,
croppingStyle: _croppingStyle,
),
);
setState(() {
_selectedImages = images;
});
} catch (e) {
debugPrint(e.toString());
}
}
_openCamera() async {
try {
final image = await _picker.openCamera(
cropping: _isCroppingEnabled,
cameraOptions: HLCameraOptions(
cameraType:
_type == MediaType.video ? CameraType.video : CameraType.image,
recordVideoMaxSecond: 40,
isExportThumbnail: _isExportThumbnail,
thumbnailCompressFormat: CompressFormat.jpg,
thumbnailCompressQuality: 0.9,
),
cropOptions: HLCropOptions(
aspectRatio: _aspectRatio,
aspectRatioPresets: _aspectRatioPresets,
croppingStyle: _croppingStyle,
),
);
setState(() {
_selectedImages = [image];
});
} catch (e) {
debugPrint(e.toString());
}
}
_openCropper() async {
try {
if (_selectedImages.isEmpty) {
return;
}
final image = await _picker.openCropper(
_selectedImages[0].path,
cropOptions: HLCropOptions(
aspectRatio: _aspectRatio,
aspectRatioPresets: _aspectRatioPresets,
compressQuality: _compressQuality,
compressFormat: CompressFormat.jpg,
croppingStyle: _croppingStyle,
),
);
setState(() {
_selectedImages = [image];
});
} catch (e) {
debugPrint(e.toString());
}
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: Text(widget.title!),
),
body: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
MediaPreview(items: _selectedImages),
Align(
child: ElevatedButton(
onPressed: _openPicker,
child: const Text('Open Picker'),
),
),
Align(
child: ElevatedButton(
onPressed: _openCamera,
child: const Text('Open camera'),
),
),
Align(
child: ElevatedButton(
onPressed: _selectedImages.isNotEmpty ? _openCropper : null,
child: const Text('Open cropper'),
),
),
// Configuration
Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Padding(
padding: EdgeInsets.only(bottom: 16.0),
child: Text('Configuration',
style: TextStyle(
fontSize: 16, fontWeight: FontWeight.bold)),
),
MediaTypeSelect(
value: _type,
onChanged: (value) {
if (value != null && value != _type) {
setState(() {
_type = value;
_isCroppingEnabled = false;
});
}
},
),
..._type == MediaType.image
? [
CustomSwitch(
label: 'Enable cropping',
value: _isCroppingEnabled,
onChanged: (value) => setState(() {
_isCroppingEnabled = value;
}),
),
]
: [
CustomSwitch(
label: 'Generate video thumbnail',
value: _isExportThumbnail,
onChanged: (value) => setState(() {
_isExportThumbnail = value;
}),
),
],
..._isCroppingEnabled
? [
const SizedBox(height: 16),
const Text("Cropping style"),
Row(
children: [
Expanded(
child: RadioListTile(
value: CroppingStyle.normal,
groupValue: _croppingStyle,
title: const Text("Normal"),
onChanged: (value) {
setState(() {
_croppingStyle = CroppingStyle.normal;
});
},
),
),
Expanded(
child: RadioListTile(
value: CroppingStyle.circular,
groupValue: _croppingStyle,
title: const Text("Circular"),
onChanged: (_) {
setState(() {
_croppingStyle = CroppingStyle.circular;
});
},
),
),
],
),
const SizedBox(height: 16),
AspectRatioSelect(
aspectRatio: _aspectRatio,
aspectRatioPresets: _aspectRatioPresets,
onChangedPreset: (preset, value) {
setState(() {
if (_aspectRatioPresets == null) {
_aspectRatioPresets = [preset];
} else {
if (value) {
_aspectRatioPresets!.add(preset);
} else {
_aspectRatioPresets!.remove(preset);
if (_aspectRatioPresets!.isEmpty) {
_aspectRatioPresets = null;
}
}
}
});
},
onChangeCustomRatio: (newRatio) => {
setState(() {
_aspectRatio = newRatio;
})
}),
const SizedBox(height: 16),
Text("Compress quality ($_compressQuality)"),
Slider(
label: "$_compressQuality",
value: _compressQuality,
min: 0.1,
max: 1,
onChanged: (value) {
setState(() {
_compressQuality =
double.parse(value.toStringAsFixed(1));
});
}),
]
: [
IncreaseAndDecrease(
label: "Max selected assets",
value: _count,
onChanged: (value) => setState(() {
_count = value;
}))
],
// Common
const Padding(
padding: EdgeInsets.only(top: 32.0),
child: Text('Common Configuration',
style: TextStyle(
fontSize: 16, fontWeight: FontWeight.bold)),
),
CustomSwitch(
label: 'Enable preview',
value: _enablePreview,
onChanged: (value) => setState(() {
_enablePreview = value;
}),
),
CustomSwitch(
label: 'Show camera button in picker',
value: _usedCameraButton,
onChanged: (value) => setState(() {
_usedCameraButton = value;
}),
),
CustomSwitch(
label: 'Include previously selected items',
value: _includePrevSelected,
onChanged: (value) => setState(() {
_includePrevSelected = value;
}),
),
IncreaseAndDecrease(
label: "Number of columns",
value: _numberOfColumn,
onChanged: (value) => setState(() {
_numberOfColumn = value;
})),
],
),
)
],
),
),
),
);
}
}