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java - 如何在片段中使用 onActivityResult()？

问题描述

在我的应用程序中，我想使用InAppBillling购买一些功能！
我将付款方式写入fragment但在显示付款dialog和用户付款后不会向我显示任何数据onActivityResult！
我写入log.e，onActivityResult但又不显示。
我觉得进不去onActivityResult！

我的片段代码： 

public class ServicesFragment extends BaseFragment implements IabHelper.OnIabSetupFinishedListener,
        IabHelper.QueryInventoryFinishedListener, IabHelper.OnIabPurchaseFinishedListener, IabHelper.OnConsumeFinishedListener {

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_services, container, false);

...

}

    @Override
    public void onIabSetupFinished(IabResult result) {
        if (iabHelper != null) {
            iabHelper.flagEndAsync();
            //This is call for payment
            iabHelper.queryInventoryAsync(ServicesFragment.this);
        }
    }

    @Override
    public void onIabPurchaseFinished(IabResult result, final Purchase info) {
        //After payment call this
        if (result.isSuccess() && info != null) {
            handler.post(new Runnable() {
                @Override
                public void run() {
                    getCheckBuyFromBazaar(jwtToken, packageName, productId, purchaseToken, buyID, 0, info);
                }
            });
        }
    }

    @Override
    public void onQueryInventoryFinished(IabResult result, Inventory inv) {
        if (result.isSuccess()) {
            bazaarProgressDialog.dismiss();
            //Run bazaar dialog
            if (iabHelper != null) {
                iabHelper.flagEndAsync();
                iabHelper.launchPurchaseFlow(activity, bazaarSKU, bazaarRequestCode,
                        ServicesFragment.this, bazaarHashCode);
            }
        }
    }

    @Override
    public void onConsumeFinished(Purchase purchase, IabResult result) {
        if (result.isSuccess() && purchase != null) {
            if (purchase.getSku().equalsIgnoreCase(bazaarSKU)) {
                //When purchase consumed
                finishPage();
                loadingProgressDialog.dismiss();
            }
        }
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        Log.e("BazaarPaymentLog", "Result");
        if (iabHelper == null) return;

        if (requestCode == bazaarRequestCode) {
            String purchaseData = data.getStringExtra("INAPP_PURCHASE_DATA");
            if (resultCode == RESULT_OK) {
                try {
                    JSONObject jo = new JSONObject(purchaseData);
                    purchaseToken = jo.getString("purchaseToken");
                    productId = jo.getString("productId");
                    packageName = jo.getString("packageName");

                    Log.e("BazaarPaymentLog", "purchaseToken : " + purchaseToken);
                    if (iabHelper != null) {
                        iabHelper.handleActivityResult(requestCode, resultCode, data);
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        } else {
            super.onActivityResult(requestCode, resultCode, data);
        }
    }

}

显示付款对话框，我付款，但之后不去onActivityResult！

我将上面的代码写入activity 它可以运行onActivityResult但fragment不进入onActivityResult！

我该如何解决？

标签： javaandroidandroid-fragments

解决方案

实际上，结果被传递给 Activity 的 onActivtyResult 以便进入 Fragment 的方法，您需要将结果从 Activity 传递给 Fragment，如下所示

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.frame);
    fragment.onActivityResult(requestCode, resultCode, data);
}

并在 Fragment 中调用它与您当前调用的相同

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {

}

如果您使用的是 ViewPager，您可以获得如下所示的 Fragment

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        Fragment mFragment = myPagerAdapter.getItem(mViewPager.getCurrentItem());
        if (fragment instanceof ServiccesFragment){
            ((ServiccesFragment)fragment).onActivityResult(requestCode, resultCode, data);
        }

    }

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