90 lines
2.6 KiB
Dart
90 lines
2.6 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/services.dart';
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const kActivityResultOk = -1;
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const kActivityResultCanceled = 0;
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class Intent {
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final bool isNull;
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final String? fromPackageName;
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final List<String>? fromSignatures;
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final String? action;
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final String? data;
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final List<String>? categories;
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final Map<String, dynamic>? extra;
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bool get isNotNull => !isNull;
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const Intent({
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this.isNull = true,
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this.fromPackageName,
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this.fromSignatures,
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this.action,
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this.data,
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this.categories,
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this.extra,
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});
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factory Intent.fromMap(Map? map) => Intent(
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isNull: map == null,
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fromPackageName: map?["fromPackageName"],
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fromSignatures: map?["fromSignatures"] != null
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? List.unmodifiable(
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(map!["fromSignatures"] as List).map((e) => e.toString()))
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: null,
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action: map?["action"],
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data: map?["data"],
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categories: map?["categories"] != null
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? List.unmodifiable(
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(map!["categories"] as List).map((e) => e.toString()))
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: null,
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extra: map?["extra"] != null
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? (json.decode(map!["extra"]) as Map)
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.map((key, value) => MapEntry(key.toString(), value))
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: null,
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);
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Map<String, dynamic> toMap() => {
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"fromPackageName": fromPackageName,
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"fromSignatures": fromSignatures,
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"action": action,
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"data": data,
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"categories": categories,
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"extra": extra,
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};
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@override
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String toString() {
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if (isNull) return 'Intent(null)';
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var str = 'Intent${toMap()}';
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return str.replaceFirst('{', '(').replaceFirst('}', ')', str.length - 1);
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}
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}
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class ReceiveIntent {
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static const MethodChannel _methodChannel =
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const MethodChannel('receive_intent');
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static const EventChannel _eventChannel =
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const EventChannel("receive_intent/event");
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static Future<Intent?> getInitialIntent() async {
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final renameMap = await _methodChannel.invokeMapMethod('getInitialIntent');
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//print("result: $renameMap");
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return Intent.fromMap(renameMap);
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}
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static Stream<Intent?> receivedIntentStream = _eventChannel
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.receiveBroadcastStream()
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.map<Intent?>((event) => Intent.fromMap(event as Map?));
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static Future<void> setResult(int resultCode,
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{Map<String, dynamic?>? data, bool shouldFinish: false}) async {
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await _methodChannel.invokeMethod('setResult', <String, dynamic>{
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"resultCode": resultCode,
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if (data != null) "data": json.encode(data),
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"shouldFinish": shouldFinish,
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});
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}
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}
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