IsReadyToPayRequest.fromJson，无法解析方法"fromJson java.lang.string" [英] IsReadyToPayRequest.fromJson, cannot resolve method 'fromJson java.lang.string'

问题描述

我正在尝试将Android Pay集成到我的应用程序中，并且正在遵循google提供的教程.但是我被困在执行IsReadyToPayRequest的地方；

I am attempting to integrate Android Pay into my application and I am following the tutorial provided b google. However I am stuck at the point where the IsReadyToPayRequest is executed;

IsReadyToPayRequest request =
                IsReadyToPayRequest.fromJson(getIsReadyToPayRequest().toString());
        Task<Boolean> task = mPaymentsClient.isReadyToPay(request);
        task.addOnCompleteListener(
                new OnCompleteListener<Boolean>() {
                    @Override
                    public void onComplete(@NonNull Task<Boolean> task) {
                        try {
                            boolean result = task.getResult(ApiException.class);
                            if (result) {
                                // show Google Pay as a payment option
                            }
                        } catch (ApiException e) {
                        }
                    }
                });

我遇到错误，无法解析方法'fromJson java.lang.string'

I am getting the error, cannot resolve method 'fromJson java.lang.string'

我正在使用com.google.android.gms:play-services:12.0.1

I am using com.google.android.gms:play-services:12.0.1

任何帮助将不胜感激.

推荐答案

fromJson方法相对较新，因为您可以找到

The fromJson method is relatively new, as you can find here.

因此，您需要较新的库版本，或者如果要保留旧版本，请使用旧的Builder.

According to this, you need a newer library version or use the old Builder if you want to stick to your old version.

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