我正在尝试在 Appcelerator 中为适用于 Android 的新 Square API 创建一个自定义模块。我拥有我想要的一切,但主要问题是我希望能够通知呼叫者付款成功,如果失败。Square API 是这样说的:
Square 完成后,Android 在传递给构造函数的 Activity 上调用 Activity.onActivityResult()。传递给此方法的请求代码将传递给 onActivityResult()。如果支付被取消,结果码是 Activity.RESULT_CANCELED,如果支付成功,结果码是 Activity.RESULT_OK。
我一直在将 TiContext.currentActivity 传递给构造函数:
public SquareModule(TiContext tiContext) {
super(tiContext);
ourSquare = new Square(tiContext.getActivity());
}
然后在实际运行支付的方法中,我基本上尝试使用 TiActivitySupportHelper 类中的 registerResultHandler 将传入的回调设置为当前活动的 onResult 处理程序。
public void runPayment(KrollInvocation invocation, int price, String description, KrollCallback handler) {
Log.i(LCAT, "runPayment called");
// Register the passed in function as a handler on the onResult stack
this.resultCallback = handler;
Activity activity = invocation.getTiContext().getActivity();
TiActivitySupportHelper support = new TiActivitySupportHelper(activity);
int code = support.getUniqueResultCode();
support.registerResultHandler(code, this);
// Some of the payment work here
ourSquare.squareUp(Bill.containing(advice), code);
}
主模块类实现了TiActivityResultHandler,实现了onResult和onError。这些方法根本没有被调用。当然,传入的方法也不会被调用。
为了完整起见,请参阅 onResult 和 onError 处理程序的实现:
@Override
public void onResult(Activity activity, int requestCode, int resultCode, Intent data)
{
Log.i(LCAT, "onResult Called");
if (resultCallback == null) return;
KrollDict event = new KrollDict();
event.put(TiC.EVENT_PROPERTY_REQUEST_CODE, requestCode);
event.put(TiC.EVENT_PROPERTY_RESULT_CODE, resultCode);
event.put(TiC.EVENT_PROPERTY_INTENT, new IntentProxy(getTiContext(), data));
event.put(TiC.EVENT_PROPERTY_SOURCE, this);
resultCallback.callAsync(event);
}
@Override
public void onError(Activity activity, int requestCode, Exception e)
{
Log.i(LCAT, "onError Called");
if (resultCallback == null) return;
KrollDict event = new KrollDict();
event.put(TiC.EVENT_PROPERTY_REQUEST_CODE, requestCode);
event.put(TiC.EVENT_PROPERTY_ERROR, e.getMessage());
event.put(TiC.EVENT_PROPERTY_SOURCE, this);
resultCallback.callAsync(event);
}
还可以看到 Appcelerator JS 调用模块中的方法:
square.runPayment(2, 'Testing123', function(e) {
label1.text = 'Payment Successful!';
});