Description:

z notification

简介 #
一个用于 flutter 中进行数据通信和交互的通用的包。使用方法类似于 iOS 中的 NSNotificationCenter，使用方便，但是注意释放资源。
使用 #
使用步骤，同 iOS 中的通知消息：

添加观察器
发送通知
销毁时，释放观察器

NotificationCenter.instance.addObserver(object1, key: 'key1', callback: (message) {
print('message object1 = $message');
curMessage = message;
});

NotificationCenter.instance.addObserver(object2, key: 'key2', callback: (message) {
print('message object2 = $message');
curMessage = message;
});

NotificationCenter.instance.post(key: 'key1', data: 'post data1');
expect(curMessage, 'post data1');
NotificationCenter.instance.post(key: 'key2', data: 'post data2');
expect(curMessage, 'post data2');

NotificationCenter.instance.removeObserver(object1);
NotificationCenter.instance.post(key: 'key1', data: 'post data1');
expect(curMessage, 'post data2');

NotificationCenter.instance.post(key: 'key2', data: 'post data3');
expect(curMessage, 'post data3');
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License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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