76 lines
2.5 KiB
Dart
76 lines
2.5 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:image_picker/image_picker.dart';
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import 'avatar_crop_page.dart';
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import 'file_pick.dart';
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/// Bottom sheet with "from gallery" and "take photo" actions for choosing a
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/// chat background. Returns the picked image bytes **as-is** — cropping is a
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/// separate, explicit step (see [cropChatBackgroundImage]) so the user isn't
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/// forced through a cropper after every pick. Returns `null` if the user
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/// cancelled everything.
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Future<Uint8List?> showChatBackgroundPickerSheet(BuildContext context) async {
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Uint8List? result;
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await showModalBottomSheet<void>(
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context: context,
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isScrollControlled: true,
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showDragHandle: true,
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useSafeArea: true,
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builder: (sheetContext) => SafeArea(
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child: SingleChildScrollView(
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padding: EdgeInsets.only(
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bottom: 16 + MediaQuery.viewInsetsOf(sheetContext).bottom,
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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ListTile(
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leading: const Icon(Icons.photo_library_outlined),
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title: const Text('Aus Galerie wählen'),
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onTap: () async {
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final bytes = await _pickRaw(FilePick.singleGalleryPick);
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if (bytes == null || !sheetContext.mounted) return;
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result = bytes;
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Navigator.of(sheetContext).pop();
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},
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),
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ListTile(
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leading: const Icon(Icons.photo_camera_outlined),
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title: const Text('Foto aufnehmen'),
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onTap: () async {
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final bytes = await _pickRaw(FilePick.cameraPick);
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if (bytes == null || !sheetContext.mounted) return;
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result = bytes;
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Navigator.of(sheetContext).pop();
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},
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),
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],
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),
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),
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),
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);
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return result;
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}
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/// Opens the free-form cropper on [bytes] and returns the cropped result, or
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/// `null` if the user cancelled. Free aspect ratio since the background fills
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/// the whole screen.
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Future<Uint8List?> cropChatBackgroundImage(
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BuildContext context,
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Uint8List bytes,
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) => Navigator.of(context).push<Uint8List>(
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MaterialPageRoute(
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fullscreenDialog: true,
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builder: (_) => AvatarCropPage(imageBytes: bytes, aspectRatio: null),
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),
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);
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Future<Uint8List?> _pickRaw(Future<XFile?> Function() pick) async {
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final picked = await pick();
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if (picked == null) return null;
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return picked.readAsBytes();
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}
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