所以我正在尝试实现 Google Play Billing Library进入我的应用程序,以便我可以允许用户进行应用程序内购买。到目前为止,我觉得一切顺利,我已经很好地遵循了指南,但最后一步让我感到困惑,我不知道如何实现 BillingFlowParams
更准确地说,我正在努力解决 setSkuDetails
,我知道它说
Retrieve a value for "skuDetails" by calling querySkuDetailsAsync()
但我不知道要传递什么参数,我尝试查看文档,但这让我更加困惑。
这就是我目前所拥有的
package com.my.name.ui;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.android.billingclient.api.BillingClient;
import com.android.billingclient.api.BillingClientStateListener;
import com.android.billingclient.api.BillingFlowParams;
import com.android.billingclient.api.BillingResult;
import com.android.billingclient.api.Purchase;
import com.android.billingclient.api.PurchasesUpdatedListener;
import com.android.billingclient.api.SkuDetails;
import com.android.billingclient.api.SkuDetailsParams;
import com.android.billingclient.api.SkuDetailsResponseListener;
import com.my.name.R;
import java.util.ArrayList;
import java.util.List;
public class PremiumFragment extends Fragment implements PurchasesUpdatedListener {
private String LICENSE_KEY = "removedforthesakeofthepost";
private String ITEM_SKU_ADREMOVAL = "myadremoval";
private String mAdRemovalPrice;
private Button btnPurchase;
private BillingClient mBillingClient;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
mBillingClient = BillingClient.newBuilder(getContext()).enablePendingPurchases().setListener(this).build();
mBillingClient.startConnection(new BillingClientStateListener() {
@Override
public void onBillingSetupFinished(BillingResult billingResult) {
if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {
// The billing client is ready. You can query purchases here.
List skuList = new ArrayList<>();
skuList.add(ITEM_SKU_ADREMOVAL);
SkuDetailsParams.Builder params = SkuDetailsParams.newBuilder();
params.setSkusList(skuList).setType(BillingClient.SkuType.INAPP);
mBillingClient.querySkuDetailsAsync(params.build(),
new SkuDetailsResponseListener() {
@Override
public void onSkuDetailsResponse(BillingResult billingResult, List<SkuDetails> skuDetailsList) {
if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK && skuDetailsList != null) {
for (SkuDetails skuDetails : skuDetailsList) {
String sku = skuDetails.getSku();
String price = skuDetails.getPrice();
if (ITEM_SKU_ADREMOVAL.equals(sku)) {
mAdRemovalPrice = price;
}
}
}
}
});
}
}
@Override
public void onBillingServiceDisconnected() {
//TODO implement your own retry policy
// Try to restart the connection on the next request to
// Google Play by calling the startConnection() method.
}
});
View rootView = inflater.inflate(R.layout.fragment_premium, container, false);
btnPurchase = rootView.findViewById(R.id.purchasebtn);
btnPurchase.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//No idea what to do here.
// Retrieve a value for "skuDetails" by calling querySkuDetailsAsync().
BillingFlowParams flowParams = BillingFlowParams.newBuilder()
.setSkuDetails(skuDetails)
.build();
int responseCode = billingClient.launchBillingFlow(flowParams);
}
});
return rootView;
}
@Override
public void onPurchasesUpdated(BillingResult billingResult, @Nullable List<Purchase> purchases) {
}
}
最佳答案
您必须在 onBillingSetupFinished 中启用按钮“btnPurchase”,并在 onBillingServiceDisconnected 上禁用(启动时禁用)。 因此,在“btnPurchase.setOnClickListene/onClick”中,您必须调用“billing_client.querySkuDetailsAsync”(您的代码是正确的)和
for( SkuDetails skuDetails : sku_details_list ){
if( ITEM_SKU_ADREMOVAL.equals( skuDetails.getSku() ) ){
BillingFlowParams flow_params = BillingFlowParams.newBuilder()
.setSkuDetails( skuDetails )
.build();
billing_client.launchBillingFlow( MyActivity.this, flow_params );
}
}
不要忘记“billing_client.acknowledgePurchase”
关于java - 如何正确实现 Google Play 结算库,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58903332/