Java Google Play付款在72小时后退款

我正在进行一个新的android项目，我想在我的应用程序中添加应用程序内购买。当我添加代码时，72小时后将购买的物品返回给用户。我想我跳过了什么

这是我的密码

public class InAppActivity extends AppCompatActivity implements PurchasesUpdatedListener {
private Button coinPack1;
private Button coinPack2;
private Button coinPack3;
private Button coinPack4;

private BillingClient billingClient;
private List<SkuDetails> inAPPDetailList = new ArrayList<>();
private List<SkuDetails> inAPPSubs = new ArrayList<>();


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_in_app);
    coinPack1 = (Button) findViewById(R.id.coinPack1);
    coinPack2 = (Button) findViewById(R.id.coinPack2);
    coinPack3 = (Button) findViewById(R.id.coinPack3);
    coinPack4 = (Button) findViewById(R.id.coinPack4);

    billingClient = BillingClient.newBuilder(this).enablePendingPurchases().setListener(this).build();
    billingClient.startConnection(new BillingClientStateListener() {
        @Override
        public void onBillingSetupFinished(@NonNull BillingResult billingResult) {

            if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK){
                checkState(true);

                List<String> skuListInAPP = new ArrayList<>();
                skuListInAPP.add("coin_pack");
                skuListInAPP.add("coin_pack2");
                skuListInAPP.add("coin_pack3");
                skuListInAPP.add("coin_pack4");
                SkuDetailsParams.Builder paramsInApp = SkuDetailsParams.newBuilder();
                paramsInApp.setSkusList(skuListInAPP).setType(BillingClient.SkuType.INAPP);
                billingClient.querySkuDetailsAsync(paramsInApp.build(), new SkuDetailsResponseListener() {
                    @Override
                    public void onSkuDetailsResponse(@NonNull BillingResult billingResult, @Nullable List<SkuDetails> list) {
                        inAPPDetailList = list;
                    }
                });

                List<String> skuListSubs = new ArrayList<>();
                skuListSubs.add("ads_free");
                SkuDetailsParams.Builder paramsSubs = SkuDetailsParams.newBuilder();
                paramsSubs.setSkusList(skuListSubs);
                paramsSubs.setSkusList(skuListSubs).setType(BillingClient.SkuType.SUBS);
                billingClient.querySkuDetailsAsync(paramsSubs.build(), new SkuDetailsResponseListener() {
                    @Override
                    public void onSkuDetailsResponse(@NonNull BillingResult billingResult, @Nullable List<SkuDetails> list) {
                        inAPPSubs = list;
                    }
                });


            }else {
                checkState(false);
                Toast.makeText(InAppActivity.this, "Beklenmedik Bir Hata oluştu", Toast.LENGTH_SHORT).show();
            }

        }

        @Override
        public void onBillingServiceDisconnected() {
            checkState(false);
            Toast.makeText(InAppActivity.this, "Beklenmedik Bir Hata Oluştu", Toast.LENGTH_SHORT).show();
        }
    });


    coinPack1.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {


            BillingFlowParams billingFlowParams = BillingFlowParams.newBuilder().setSkuDetails(inAPPDetailList.get(0)).build();
            billingClient.launchBillingFlow(InAppActivity.this,billingFlowParams);

        }
    });

    coinPack2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            BillingFlowParams billingFlowParams = BillingFlowParams.newBuilder().setSkuDetails(inAPPDetailList.get(1)).build();
            billingClient.launchBillingFlow(InAppActivity.this,billingFlowParams);

        }
    });

    coinPack3.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            BillingFlowParams billingFlowParams = BillingFlowParams.newBuilder().setSkuDetails(inAPPDetailList.get(2)).build();
            billingClient.launchBillingFlow(InAppActivity.this,billingFlowParams);


        }
    });

    coinPack4.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            BillingFlowParams billingFlowParams = BillingFlowParams.newBuilder().setSkuDetails(inAPPDetailList.get(3)).build();
            billingClient.launchBillingFlow(InAppActivity.this,billingFlowParams);

        }
    });

}




private void checkState(Boolean situation){
    coinPack1.setEnabled(situation);
    coinPack2.setEnabled(situation);
    coinPack3.setEnabled(situation);
    coinPack4.setEnabled(situation);
}
@Override
public void onPurchasesUpdated(@NonNull BillingResult billingResult, @Nullable List<Purchase> list) {

    if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK && list!= null){

        for (Purchase purchase : list){

            if(!purchase.isAcknowledged()){
                AcknowledgePurchaseParams.newBuilder()
                        .setPurchaseToken(purchase.getPurchaseToken())
                        .build();
            }
            if (purchase.getSku().equals("coin_pack")){

                Constant.TOTAL_COINS = Constant.TOTAL_COINS + 100;
                Utils.UpdateCoin(getApplicationContext(), String.valueOf(Constant.TOTAL_COINS));
                Toast.makeText(this, "Satın Alma Başarılı 100 Jeton. Destekleriniz için teşekkür ederiz", Toast.LENGTH_SHORT).show();


            }

            if (purchase.getSku().equals("coin_pack2")){
                Constant.TOTAL_COINS = Constant.TOTAL_COINS + 200;
                Utils.UpdateCoin(getApplicationContext(), String.valueOf(Constant.TOTAL_COINS));
                Toast.makeText(this, "Satın Alma Başarılı 200 Jeton. Destekleriniz için teşekkür ederiz", Toast.LENGTH_SHORT).show();

            }
            if (purchase.getSku().equals("coin_pack3")){
                Constant.TOTAL_COINS = Constant.TOTAL_COINS + 400;
                Utils.UpdateCoin(getApplicationContext(), String.valueOf(Constant.TOTAL_COINS));
                Toast.makeText(this, "Satın Alma Başarılı 400 Jeton. Destekleriniz için teşekkür ederiz", Toast.LENGTH_SHORT).show();

            }
            if (purchase.getSku().equals("coin_pack4")){
                Constant.TOTAL_COINS = Constant.TOTAL_COINS + 600;
                Utils.UpdateCoin(getApplicationContext(), String.valueOf(Constant.TOTAL_COINS));
                Toast.makeText(this, "Satın Alma Başarılı 600 Jeton. Destekleriniz için teşekkür ederiz", Toast.LENGTH_SHORT).show();

            }
        }


    }
    if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.USER_CANCELED){

        Toast.makeText(getApplicationContext(), "Ödeme İptal Edildi!!!", Toast.LENGTH_SHORT).show();

    }


}

公共类InAppActivity扩展AppCompativity实现PurchasesUpdatedListener{
专用按钮coinPack1；
专用按钮coinPack2；
专用按钮coinPack3；
专用按钮coinPack4；
私人账单客户账单客户；
私有列表inAPPDetailList=newarraylist（）；
inAPPSubs中的私有列表=新的ArrayList（）；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（应用程序中的R.layout.activity_）；
coinPack1=（按钮）findViewById（R.id.coinPack1）；
coinPack2=（按钮）findViewById（R.id.coinPack2）；
coinPack3=（按钮）findViewById（R.id.coinPack3）；
coinPack4=（按钮）findViewById（R.id.coinPack4）；
billingClient=billingClient.newBuilder（this.enablePendingPurchases（）.setListener（this.build（））；
startConnection（新的BillingClientStateListener（））{
@凌驾
公共无效onBillingSetupFinished（@NonNull BillingResult BillingResult）{
if（billingResult.getResponseCode（）==BillingClient.BillingResponseCode.OK）{
检查状态（true）；
List skuListInAPP=new ArrayList（）；
skuListInAPP.添加（“硬币包装”）；
skuListInAPP.添加（“硬币包装2”）；
skuListInAPP.add（“硬币包装3”）；
skuListInAPP.add（“硬币包装4”）；
SkuDetailsParams.Builder paramsInApp=SkuDetailsParams.newBuilder（）；
paramsInApp.setSkusList（skuListInAPP）.setType（BillingClient.SkuType.INAPP）；
billingClient.querySkuDetailsAsync（paramsInApp.build（），新SkuDetailsResponseListener（））{
@凌驾
public void onSkuDetailsResponse（@NonNull BillingResult BillingResult，@null列表）{
inAPPDetailList=列表；
}
});
List skuListSubs=new ArrayList（）；
添加（“无广告”）；
skudailsparams.Builder paramsubs=skudailsparams.newBuilder（）；
参数设置列表（skuListSubs）；
paramsSubs.setSkusList（skuListSubs.setType）（BillingClient.SkuType.SUBS）；
billingClient.querySkuDetailsAsync（paramsubs.build（），新SkuDetailsResponseListener（））{
@凌驾
public void onSkuDetailsResponse（@NonNull BillingResult BillingResult，@null列表）{
inAPPSubs=列表；
}
});
}否则{
检查状态（假）；
Toast.makeText（不活动。这个，“Beklenmedik Bir Hata oluştu”，Toast.LENGTH_SHORT.show（）；
}
}
@凌驾
公共无效onBillingServiceDisconnected（）{
检查状态（假）；
Toast.makeText（不活动。这个，“Beklenmedik Bir Hata Oluştu”，Toast.LENGTH_SHORT.show（）；
}
});
coinPack1.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图）{
BillingFlowParams BillingFlowParams=BillingFlowParams.newBuilder（）.setSkuDetails（inAPPDetailList.get（0））.build（）；
billingClient.launchBillingFlow（不活动。此为billingFlowParams）；
}
});
coinPack2.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图）{
BillingFlowParams BillingFlowParams=BillingFlowParams.newBuilder（）.setSkuDetails（inAPPDetailList.get（1））.build（）；
billingClient.launchBillingFlow（不活动。此为billingFlowParams）；
}
});
coinPack3.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图）{
BillingFlowParams BillingFlowParams=BillingFlowParams.newBuilder（）.setSkuDetails（inAPPDetailList.get（2））.build（）；
billingClient.launchBillingFlow（不活动。此为billingFlowParams）；
}
});
coinPack4.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图）{
BillingFlowParams BillingFlowParams=BillingFlowParams.newBuilder（）.setSkuDetails（inAPPDetailList.get（3））.build（）；
billingClient.launchBillingFlow（不活动。此为billingFlowParams）；
}
});
}
私有void checkState（布尔情况）{
coinPack1.setEnabled（情况）；
coinPack2.setEnabled（情况）；
coinPack3.设置启用（情况）；
coinPack4.设置启用（情况）；
}
@凌驾
PURCHASSUPDATED上的公共无效（@NonNull BillingResult BillingResult，@Nullable List）{
if（billingResult.getResponseCode（）==BillingClient.BillingResponseCode.OK&&list！=null）{
用于（采购：列表）{
如果（！purchase.isAcknowledged（））{
AcknowledgePurchaseParams.newBuilder（）
.setPurchaseToken（purchase.getPurchaseToken（））
.build（）；
}
if（purchase.getSku（）.equals（“coin_pack”））{
Constant.TOTAL_硬币=Constant.TOTAL_硬币+100；
Utils.UpdateCoin（getApplicationContext（），String.valueOf（Constant.TOTAL_））；
Toast.makeText（这是“Satın Alma Başarılı100 Jeton.Desteklerizing için teşekkür ederiz”，Toast.LENGTH_SHORT）。show（）；
}
if（purchase.getSku（）.equals（“coin_pack2”））{
Constant.TOTAL_硬币=Constant.TOTAL_硬币+200；
Utils.UpdateCoin（getApplicationContext（），String.valueOf（Constant.TOTAL_））；
Toast.makeText（这是“Satın Alma Başarılı200 Jeton.Desteklerizing için teşekkür ederiz”，Toast.LENGTH_SHORT）。show（）；
        if (!purchase.isAcknowledged()) {
                        AcknowledgePurchaseParams acknowledgePurchaseParams =
                                AcknowledgePurchaseParams.newBuilder()
                                        .setPurchaseToken(purchase.getPurchaseToken())
                                        .build();
                        billingClient.acknowledgePurchase(acknowledgePurchaseParams, new AcknowledgePurchaseResponseListener() {
                            @Override
                            public void onAcknowledgePurchaseResponse(BillingResult billingResult){ 
                               // 
                             }
                        });
        }