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BASIC_KNOWLEDGE.md

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Basic knowledge

Response from WeChat

Actually, almost every result from functions like share or pay which call sendRequest in native doesn't makes sense. The bool value is the result of sendRequest. So if you want get the real result you shall do like this:

    var listener = (response) {
      if (response is WeChatAuthResponse) {

      }
    };
    fluwx.addSubscriber(listener); // subscribe response from WeChat
    fluwx.removeSubscriber(listener);// unsubscribe response from WeChat

Or

    var cancelable = fluwx.addSubscriber(listener);
    cancelable.cancel(); // unsubscribe response from WeChat

Take a look at subclasses of WeChatResponse for help.

NOTE: If you get errCode = -1, please read the WeChatSDK document for help. There are to many cases lead to that.

Images in WeChat

The are four built-in types of WeChatImage in fluwx:

  WeChatImage.network(String source, {String suffix});
  WeChatImage.file(File source, {String suffix = ".jpeg"});
  WeChatImage.asset(String source, {String suffix});
  WeChatImage.binary(Uint8List source, {String suffix = ".jpeg"});

The priority of suffix is highest, fluwx will try to read suffix from paths if suffix is blank.

The max size of image youcan share to WeChat is 10M.Fluwx wil compress WeChatImage itself if it's used as thumbnail or hdImagePath,
otherwise, it doesn't. However, you'd better compress thumbnail yourself as the result of compression is unpredictable.