packages/image_picker/image_picker_android/lib/image_picker_android.dart - mirrors/packages - Git at Google

 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';

 import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';

 import 'src/messages.g.dart';

 /// An Android implementation of [ImagePickerPlatform].
 class ImagePickerAndroid extends ImagePickerPlatform {
   /// Creates a new plugin implementation instance.
   ImagePickerAndroid({@visibleForTesting ImagePickerApi? api})
       : _hostApi = api ?? ImagePickerApi();

   final ImagePickerApi _hostApi;

   /// Sets [ImagePickerAndroid] to use Android 13 Photo Picker.
   ///
   /// Currently defaults to false, but the default is subject to change.
   bool useAndroidPhotoPicker = false;

   /// Registers this class as the default platform implementation.
   static void registerWith() {
     ImagePickerPlatform.instance = ImagePickerAndroid();
   }

   @override
   Future<PickedFile?> pickImage({
     required ImageSource source,
     double? maxWidth,
     double? maxHeight,
     int? imageQuality,
     CameraDevice preferredCameraDevice = CameraDevice.rear,
   }) async {
     final String? path = await _getImagePath(
       source: source,
       maxWidth: maxWidth,
       maxHeight: maxHeight,
       imageQuality: imageQuality,
       preferredCameraDevice: preferredCameraDevice,
     );
     return path != null ? PickedFile(path) : null;
   }

   @override
   Future<List<PickedFile>?> pickMultiImage({
     double? maxWidth,
     double? maxHeight,
     int? imageQuality,
   }) async {
     final List<dynamic> paths = await _getMultiImagePath(
       maxWidth: maxWidth,
       maxHeight: maxHeight,
       imageQuality: imageQuality,
     );
     if (paths.isEmpty) {
       return null;
     }

     return paths.map((dynamic path) => PickedFile(path as String)).toList();
   }

   Future<List<dynamic>> _getMultiImagePath({
     double? maxWidth,
     double? maxHeight,
     int? imageQuality,
   }) {
     if (imageQuality != null && (imageQuality < 0 || imageQuality > 100)) {
       throw ArgumentError.value(
           imageQuality, 'imageQuality', 'must be between 0 and 100');
     }

     if (maxWidth != null && maxWidth < 0) {
       throw ArgumentError.value(maxWidth, 'maxWidth', 'cannot be negative');
     }

     if (maxHeight != null && maxHeight < 0) {
       throw ArgumentError.value(maxHeight, 'maxHeight', 'cannot be negative');
     }

     return _hostApi.pickImages(
       SourceSpecification(type: SourceType.gallery),
       ImageSelectionOptions(
           maxWidth: maxWidth,
           maxHeight: maxHeight,
           quality: imageQuality ?? 100),
       GeneralOptions(
           allowMultiple: true, usePhotoPicker: useAndroidPhotoPicker),
     );
   }

   Future<String?> _getImagePath({
     required ImageSource source,
     double? maxWidth,
     double? maxHeight,
     int? imageQuality,
     CameraDevice preferredCameraDevice = CameraDevice.rear,
     bool requestFullMetadata = true,
   }) async {
     if (imageQuality != null && (imageQuality < 0 || imageQuality > 100)) {
       throw ArgumentError.value(
           imageQuality, 'imageQuality', 'must be between 0 and 100');
     }

     if (maxWidth != null && maxWidth < 0) {
       throw ArgumentError.value(maxWidth, 'maxWidth', 'cannot be negative');
     }

     if (maxHeight != null && maxHeight < 0) {
       throw ArgumentError.value(maxHeight, 'maxHeight', 'cannot be negative');
     }

     final List<String?> paths = await _hostApi.pickImages(
       _buildSourceSpec(source, preferredCameraDevice),
       ImageSelectionOptions(
           maxWidth: maxWidth,
           maxHeight: maxHeight,
           quality: imageQuality ?? 100),
       GeneralOptions(
         allowMultiple: false,
         usePhotoPicker: useAndroidPhotoPicker,
       ),
     );
     return paths.isEmpty ? null : paths.first;
   }

   @override
   Future<PickedFile?> pickVideo({
     required ImageSource source,
     CameraDevice preferredCameraDevice = CameraDevice.rear,
     Duration? maxDuration,
   }) async {
     final String? path = await _getVideoPath(
       source: source,
       maxDuration: maxDuration,
       preferredCameraDevice: preferredCameraDevice,
     );
     return path != null ? PickedFile(path) : null;
   }

   Future<String?> _getVideoPath({
     required ImageSource source,
     CameraDevice preferredCameraDevice = CameraDevice.rear,
     Duration? maxDuration,
   }) async {
     final List<String?> paths = await _hostApi.pickVideos(
       _buildSourceSpec(source, preferredCameraDevice),
       VideoSelectionOptions(maxDurationSeconds: maxDuration?.inSeconds),
       GeneralOptions(
         allowMultiple: false,
         usePhotoPicker: useAndroidPhotoPicker,
       ),
     );
     return paths.isEmpty ? null : paths.first;
   }

   @override
   Future<XFile?> getImage({
     required ImageSource source,
     double? maxWidth,
     double? maxHeight,
     int? imageQuality,
     CameraDevice preferredCameraDevice = CameraDevice.rear,
   }) async {
     final String? path = await _getImagePath(
       source: source,
       maxWidth: maxWidth,
       maxHeight: maxHeight,
       imageQuality: imageQuality,
       preferredCameraDevice: preferredCameraDevice,
     );
     return path != null ? XFile(path) : null;
   }

   @override
   Future<XFile?> getImageFromSource({
     required ImageSource source,
     ImagePickerOptions options = const ImagePickerOptions(),
   }) async {
     final String? path = await _getImagePath(
       source: source,
       maxHeight: options.maxHeight,
       maxWidth: options.maxWidth,
       imageQuality: options.imageQuality,
       preferredCameraDevice: options.preferredCameraDevice,
       requestFullMetadata: options.requestFullMetadata,
     );
     return path != null ? XFile(path) : null;
   }

   @override
   Future<List<XFile>?> getMultiImage({
     double? maxWidth,
     double? maxHeight,
     int? imageQuality,
   }) async {
     final List<dynamic> paths = await _getMultiImagePath(
       maxWidth: maxWidth,
       maxHeight: maxHeight,
       imageQuality: imageQuality,
     );
     if (paths.isEmpty) {
       return null;
     }

     return paths.map((dynamic path) => XFile(path as String)).toList();
   }

   @override
   Future<List<XFile>> getMedia({
     required MediaOptions options,
   }) async {
     return (await _hostApi.pickMedia(
       _mediaOptionsToMediaSelectionOptions(options),
       GeneralOptions(
         allowMultiple: options.allowMultiple,
         usePhotoPicker: useAndroidPhotoPicker,
       ),
     ))
         .map((String? path) => XFile(path!))
         .toList();
   }

   @override
   Future<XFile?> getVideo({
     required ImageSource source,
     CameraDevice preferredCameraDevice = CameraDevice.rear,
     Duration? maxDuration,
   }) async {
     final String? path = await _getVideoPath(
       source: source,
       maxDuration: maxDuration,
       preferredCameraDevice: preferredCameraDevice,
     );
     return path != null ? XFile(path) : null;
   }

   MediaSelectionOptions _mediaOptionsToMediaSelectionOptions(
       MediaOptions mediaOptions) {
     final ImageSelectionOptions imageSelectionOptions =
         _imageOptionsToImageSelectionOptionsWithValidator(
             mediaOptions.imageOptions);
     return MediaSelectionOptions(
       imageSelectionOptions: imageSelectionOptions,
     );
   }

   ImageSelectionOptions _imageOptionsToImageSelectionOptionsWithValidator(
       ImageOptions? imageOptions) {
     final double? maxHeight = imageOptions?.maxHeight;
     final double? maxWidth = imageOptions?.maxWidth;
     final int? imageQuality = imageOptions?.imageQuality;

     if (imageQuality != null && (imageQuality < 0 || imageQuality > 100)) {
       throw ArgumentError.value(
           imageQuality, 'imageQuality', 'must be between 0 and 100');
     }

     if (maxWidth != null && maxWidth < 0) {
       throw ArgumentError.value(maxWidth, 'maxWidth', 'cannot be negative');
     }

     if (maxHeight != null && maxHeight < 0) {
       throw ArgumentError.value(maxHeight, 'maxHeight', 'cannot be negative');
     }
     return ImageSelectionOptions(
         quality: imageQuality ?? 100, maxHeight: maxHeight, maxWidth: maxWidth);
   }

   @override
   Future<LostData> retrieveLostData() async {
     final LostDataResponse result = await getLostData();

     if (result.isEmpty) {
       return LostData.empty();
     }

     return LostData(
       file: result.file != null ? PickedFile(result.file!.path) : null,
       exception: result.exception,
       type: result.type,
     );
   }

   @override
   Future<LostDataResponse> getLostData() async {
     final CacheRetrievalResult? result = await _hostApi.retrieveLostResults();

     if (result == null) {
       return LostDataResponse.empty();
     }

     // There must either be data or an error if the response wasn't null.
     assert(result.paths.isEmpty != (result.error == null));

     final CacheRetrievalError? error = result.error;
     final PlatformException? exception = error == null
         ? null
         : PlatformException(code: error.code, message: error.message);

     // Entries are guaranteed not to be null, even though that's not currently
     // expressible in Pigeon.
     final List<XFile> pickedFileList =
         result.paths.map((String? path) => XFile(path!)).toList();

     return LostDataResponse(
       file: pickedFileList.isEmpty ? null : pickedFileList.last,
       exception: exception,
       type: _retrieveTypeForCacheType(result.type),
       files: pickedFileList,
     );
   }

   SourceSpecification _buildSourceSpec(
       ImageSource source, CameraDevice device) {
     return SourceSpecification(
         type: _sourceSpecTypeForSource(source),
         camera: _sourceSpecCameraForDevice(device));
   }

   SourceType _sourceSpecTypeForSource(ImageSource source) {
     switch (source) {
       case ImageSource.camera:
         return SourceType.camera;
       case ImageSource.gallery:
         return SourceType.gallery;
     }
     // The enum comes from a different package, which could get a new value at
     // any time, so provide a fallback that ensures this won't break when used
     // with a version that contains new values. This is deliberately outside
     // the switch rather than a `default` so that the linter will flag the
     // switch as needing an update.
     // ignore: dead_code
     return SourceType.gallery;
   }

   SourceCamera _sourceSpecCameraForDevice(CameraDevice device) {
     switch (device) {
       case CameraDevice.front:
         return SourceCamera.front;
       case CameraDevice.rear:
         return SourceCamera.rear;
     }
     // The enum comes from a different package, which could get a new value at
     // any time, so provide a fallback that ensures this won't break when used
     // with a version that contains new values. This is deliberately outside
     // the switch rather than a `default` so that the linter will flag the
     // switch as needing an update.
     // ignore: dead_code
     return SourceCamera.rear;
   }

   RetrieveType _retrieveTypeForCacheType(CacheRetrievalType type) {
     switch (type) {
       case CacheRetrievalType.image:
         return RetrieveType.image;
       case CacheRetrievalType.video:
         return RetrieveType.video;
     }
     // The enum comes from a different package, which could get a new value at
     // any time, so provide a fallback that ensures this won't break when used
     // with a version that contains new values. This is deliberately outside
     // the switch rather than a `default` so that the linter will flag the
     // switch as needing an update.
     // ignore: dead_code
     return RetrieveType.image;
   }
 }
	// Copyright 2013 The Flutter Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	import 'package:flutter/foundation.dart';
	import 'package:flutter/services.dart';

	import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';

	import 'src/messages.g.dart';

	/// An Android implementation of [ImagePickerPlatform].
	class ImagePickerAndroid extends ImagePickerPlatform {
	/// Creates a new plugin implementation instance.
	ImagePickerAndroid({@visibleForTesting ImagePickerApi? api})
	: _hostApi = api ?? ImagePickerApi();

	final ImagePickerApi _hostApi;

	/// Sets [ImagePickerAndroid] to use Android 13 Photo Picker.
	///
	/// Currently defaults to false, but the default is subject to change.
	bool useAndroidPhotoPicker = false;

	/// Registers this class as the default platform implementation.
	static void registerWith() {
	ImagePickerPlatform.instance = ImagePickerAndroid();
	}

	@override
	Future<PickedFile?> pickImage({
	required ImageSource source,
	double? maxWidth,
	double? maxHeight,
	int? imageQuality,
	CameraDevice preferredCameraDevice = CameraDevice.rear,
	}) async {
	final String? path = await _getImagePath(
	source: source,
	maxWidth: maxWidth,
	maxHeight: maxHeight,
	imageQuality: imageQuality,
	preferredCameraDevice: preferredCameraDevice,
	);
	return path != null ? PickedFile(path) : null;
	}

	@override
	Future<List<PickedFile>?> pickMultiImage({
	double? maxWidth,
	double? maxHeight,
	int? imageQuality,
	}) async {
	final List<dynamic> paths = await _getMultiImagePath(
	maxWidth: maxWidth,
	maxHeight: maxHeight,
	imageQuality: imageQuality,
	);
	if (paths.isEmpty) {
	return null;
	}

	return paths.map((dynamic path) => PickedFile(path as String)).toList();
	}

	Future<List<dynamic>> _getMultiImagePath({
	double? maxWidth,
	double? maxHeight,
	int? imageQuality,
	}) {
	if (imageQuality != null && (imageQuality < 0 \|\| imageQuality > 100)) {
	throw ArgumentError.value(
	imageQuality, 'imageQuality', 'must be between 0 and 100');
	}

	if (maxWidth != null && maxWidth < 0) {
	throw ArgumentError.value(maxWidth, 'maxWidth', 'cannot be negative');
	}

	if (maxHeight != null && maxHeight < 0) {
	throw ArgumentError.value(maxHeight, 'maxHeight', 'cannot be negative');
	}

	return _hostApi.pickImages(
	SourceSpecification(type: SourceType.gallery),
	ImageSelectionOptions(
	maxWidth: maxWidth,
	maxHeight: maxHeight,
	quality: imageQuality ?? 100),
	GeneralOptions(
	allowMultiple: true, usePhotoPicker: useAndroidPhotoPicker),
	);
	}

	Future<String?> _getImagePath({
	required ImageSource source,
	double? maxWidth,
	double? maxHeight,
	int? imageQuality,
	CameraDevice preferredCameraDevice = CameraDevice.rear,
	bool requestFullMetadata = true,
	}) async {
	if (imageQuality != null && (imageQuality < 0 \|\| imageQuality > 100)) {
	throw ArgumentError.value(
	imageQuality, 'imageQuality', 'must be between 0 and 100');
	}

	if (maxWidth != null && maxWidth < 0) {
	throw ArgumentError.value(maxWidth, 'maxWidth', 'cannot be negative');
	}

	if (maxHeight != null && maxHeight < 0) {
	throw ArgumentError.value(maxHeight, 'maxHeight', 'cannot be negative');
	}

	final List<String?> paths = await _hostApi.pickImages(
	_buildSourceSpec(source, preferredCameraDevice),
	ImageSelectionOptions(
	maxWidth: maxWidth,
	maxHeight: maxHeight,
	quality: imageQuality ?? 100),
	GeneralOptions(
	allowMultiple: false,
	usePhotoPicker: useAndroidPhotoPicker,
	),
	);
	return paths.isEmpty ? null : paths.first;
	}

	@override
	Future<PickedFile?> pickVideo({
	required ImageSource source,
	CameraDevice preferredCameraDevice = CameraDevice.rear,
	Duration? maxDuration,
	}) async {
	final String? path = await _getVideoPath(
	source: source,
	maxDuration: maxDuration,
	preferredCameraDevice: preferredCameraDevice,
	);
	return path != null ? PickedFile(path) : null;
	}

	Future<String?> _getVideoPath({
	required ImageSource source,
	CameraDevice preferredCameraDevice = CameraDevice.rear,
	Duration? maxDuration,
	}) async {
	final List<String?> paths = await _hostApi.pickVideos(
	_buildSourceSpec(source, preferredCameraDevice),
	VideoSelectionOptions(maxDurationSeconds: maxDuration?.inSeconds),
	GeneralOptions(
	allowMultiple: false,
	usePhotoPicker: useAndroidPhotoPicker,
	),
	);
	return paths.isEmpty ? null : paths.first;
	}

	@override
	Future<XFile?> getImage({
	required ImageSource source,
	double? maxWidth,
	double? maxHeight,
	int? imageQuality,
	CameraDevice preferredCameraDevice = CameraDevice.rear,
	}) async {
	final String? path = await _getImagePath(
	source: source,
	maxWidth: maxWidth,
	maxHeight: maxHeight,
	imageQuality: imageQuality,
	preferredCameraDevice: preferredCameraDevice,
	);
	return path != null ? XFile(path) : null;
	}

	@override
	Future<XFile?> getImageFromSource({
	required ImageSource source,
	ImagePickerOptions options = const ImagePickerOptions(),
	}) async {
	final String? path = await _getImagePath(
	source: source,
	maxHeight: options.maxHeight,
	maxWidth: options.maxWidth,
	imageQuality: options.imageQuality,
	preferredCameraDevice: options.preferredCameraDevice,
	requestFullMetadata: options.requestFullMetadata,
	);
	return path != null ? XFile(path) : null;
	}

	@override
	Future<List<XFile>?> getMultiImage({
	double? maxWidth,
	double? maxHeight,
	int? imageQuality,
	}) async {
	final List<dynamic> paths = await _getMultiImagePath(
	maxWidth: maxWidth,
	maxHeight: maxHeight,
	imageQuality: imageQuality,
	);
	if (paths.isEmpty) {
	return null;
	}

	return paths.map((dynamic path) => XFile(path as String)).toList();
	}

	@override
	Future<List<XFile>> getMedia({
	required MediaOptions options,
	}) async {
	return (await _hostApi.pickMedia(
	_mediaOptionsToMediaSelectionOptions(options),
	GeneralOptions(
	allowMultiple: options.allowMultiple,
	usePhotoPicker: useAndroidPhotoPicker,
	),
	))
	.map((String? path) => XFile(path!))
	.toList();
	}

	@override
	Future<XFile?> getVideo({
	required ImageSource source,
	CameraDevice preferredCameraDevice = CameraDevice.rear,
	Duration? maxDuration,
	}) async {
	final String? path = await _getVideoPath(
	source: source,
	maxDuration: maxDuration,
	preferredCameraDevice: preferredCameraDevice,
	);
	return path != null ? XFile(path) : null;
	}

	MediaSelectionOptions _mediaOptionsToMediaSelectionOptions(
	MediaOptions mediaOptions) {
	final ImageSelectionOptions imageSelectionOptions =
	_imageOptionsToImageSelectionOptionsWithValidator(
	mediaOptions.imageOptions);
	return MediaSelectionOptions(
	imageSelectionOptions: imageSelectionOptions,
	);
	}

	ImageSelectionOptions _imageOptionsToImageSelectionOptionsWithValidator(
	ImageOptions? imageOptions) {
	final double? maxHeight = imageOptions?.maxHeight;
	final double? maxWidth = imageOptions?.maxWidth;
	final int? imageQuality = imageOptions?.imageQuality;

	if (imageQuality != null && (imageQuality < 0 \|\| imageQuality > 100)) {
	throw ArgumentError.value(
	imageQuality, 'imageQuality', 'must be between 0 and 100');
	}

	if (maxWidth != null && maxWidth < 0) {
	throw ArgumentError.value(maxWidth, 'maxWidth', 'cannot be negative');
	}

	if (maxHeight != null && maxHeight < 0) {
	throw ArgumentError.value(maxHeight, 'maxHeight', 'cannot be negative');
	}
	return ImageSelectionOptions(
	quality: imageQuality ?? 100, maxHeight: maxHeight, maxWidth: maxWidth);
	}

	@override
	Future<LostData> retrieveLostData() async {
	final LostDataResponse result = await getLostData();

	if (result.isEmpty) {
	return LostData.empty();
	}

	return LostData(
	file: result.file != null ? PickedFile(result.file!.path) : null,
	exception: result.exception,
	type: result.type,
	);
	}

	@override
	Future<LostDataResponse> getLostData() async {
	final CacheRetrievalResult? result = await _hostApi.retrieveLostResults();

	if (result == null) {
	return LostDataResponse.empty();
	}

	// There must either be data or an error if the response wasn't null.
	assert(result.paths.isEmpty != (result.error == null));

	final CacheRetrievalError? error = result.error;
	final PlatformException? exception = error == null
	? null
	: PlatformException(code: error.code, message: error.message);

	// Entries are guaranteed not to be null, even though that's not currently
	// expressible in Pigeon.
	final List<XFile> pickedFileList =
	result.paths.map((String? path) => XFile(path!)).toList();

	return LostDataResponse(
	file: pickedFileList.isEmpty ? null : pickedFileList.last,
	exception: exception,
	type: _retrieveTypeForCacheType(result.type),
	files: pickedFileList,
	);
	}

	SourceSpecification _buildSourceSpec(
	ImageSource source, CameraDevice device) {
	return SourceSpecification(
	type: _sourceSpecTypeForSource(source),
	camera: _sourceSpecCameraForDevice(device));
	}

	SourceType _sourceSpecTypeForSource(ImageSource source) {
	switch (source) {
	case ImageSource.camera:
	return SourceType.camera;
	case ImageSource.gallery:
	return SourceType.gallery;
	}
	// The enum comes from a different package, which could get a new value at
	// any time, so provide a fallback that ensures this won't break when used
	// with a version that contains new values. This is deliberately outside
	// the switch rather than a `default` so that the linter will flag the
	// switch as needing an update.
	// ignore: dead_code
	return SourceType.gallery;
	}

	SourceCamera _sourceSpecCameraForDevice(CameraDevice device) {
	switch (device) {
	case CameraDevice.front:
	return SourceCamera.front;
	case CameraDevice.rear:
	return SourceCamera.rear;
	}
	// The enum comes from a different package, which could get a new value at
	// any time, so provide a fallback that ensures this won't break when used
	// with a version that contains new values. This is deliberately outside
	// the switch rather than a `default` so that the linter will flag the
	// switch as needing an update.
	// ignore: dead_code
	return SourceCamera.rear;
	}

	RetrieveType _retrieveTypeForCacheType(CacheRetrievalType type) {
	switch (type) {
	case CacheRetrievalType.image:
	return RetrieveType.image;
	case CacheRetrievalType.video:
	return RetrieveType.video;
	}
	// The enum comes from a different package, which could get a new value at
	// any time, so provide a fallback that ensures this won't break when used
	// with a version that contains new values. This is deliberately outside
	// the switch rather than a `default` so that the linter will flag the
	// switch as needing an update.
	// ignore: dead_code
	return RetrieveType.image;
	}
	}