Android In-app Billing (Uygulama İçi Satın Alma)

package com.pasaoglu.mobilhanem.inappbilling;

 

import android.os.Bundle;

import android.support.annotation.Nullable;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;

 

import com.android.billingclient.api.BillingClient;

import com.android.billingclient.api.BillingClientStateListener;

import com.android.billingclient.api.BillingFlowParams;

import com.android.billingclient.api.ConsumeResponseListener;

import com.android.billingclient.api.Purchase;

import com.android.billingclient.api.PurchasesUpdatedListener;

 

import java.util.List;

 

import butterknife.BindView;

import butterknife.ButterKnife;

import butterknife.OnClick;

import butterknife.Optional;

 

public class MainActivity extends AppCompatActivity implements PurchasesUpdatedListener

 

    private BillingClient mBillingClient;

 

    @BindView(R.id.btn_three_buy_health)

    Button btn_three_buy_health;

 

    @BindView(R.id.btn_ten_buy_health)

    Button btn_ten_buy_health;

 

    @BindView(R.id.btn_twenty_buy_health)

    Button btn_twenty_buy_health;

 

    @BindView(R.id.btn_fifty_buy_health)

    Button btn_fifty_buy_health;

 

    @Override

    protected void onCreate(Bundle savedInstanceState)

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        ButterKnife.bind(this);

 

        mBillingClient = BillingClient.newBuilder(this).setListener(this).build();

        mBillingClient.startConnection(new BillingClientStateListener()

            @Override

            public void onBillingSetupFinished(@BillingClient.BillingResponse int billingResponseCode)

                if (billingResponseCode == BillingClient.BillingResponse.OK)

                    // The billing client is ready. You can query purchases here.

                    // BUTONLARI AKTIF ET

                    enableOrDisableButtons(true);

 

                 else

                    //TODO Kullanıcıya uyarı ver

                    Toast.makeText(MainActivity.this, “Ödeme sistemi için google play hesabını kontrol ediniz”, Toast.LENGTH_SHORT).show();

                    enableOrDisableButtons(false);

                

            

 

            @Override

            public void onBillingServiceDisconnected()

                // Try to restart the connection on the next request to

                // Google Play by calling the startConnection() method.

                //TODO Kullanıcıya uyarı ver

                enableOrDisableButtons(false);

                Toast.makeText(MainActivity.this, “Ödeme sistemi şuanda geçerli değil”, Toast.LENGTH_SHORT).show();

            

        );

    

 

    private void enableOrDisableButtons(boolean isEnabled)

        btn_three_buy_health.setEnabled(isEnabled);

        btn_ten_buy_health.setEnabled(isEnabled);

        btn_twenty_buy_health.setEnabled(isEnabled);

        btn_fifty_buy_health.setEnabled(isEnabled);

    

    @Optional

    @OnClick(R.id.btn_three_buy_health)

    void buyThreeHealth(View view)

        buyProduct(“3_buy_health”);//Buradaki id Google Play’de tanımlanan id

    

    @Optional

    @OnClick(R.id.btn_ten_buy_health)

    void buyTenHealth(View view)

        buyProduct(“10_buy_health”); //Buradaki id Google Play’de tanımlanan id

    

    @Optional

    @OnClick(R.id.btn_twenty_buy_health)

    void buyTwentyHealth(View view)

        buyProduct(“20_buy_health”);//Buradaki id Google Play’de tanımlanan id

    

    @Optional

    @OnClick(R.id.btn_fifty_buy_health)

    void buyFiftyHealth(View view)

        buySubscription(“50_buy_health”);//Buradaki id Google Play’de tanımlanan id

    

 

    private void buyProduct(String skuId)

        //Bir defa satın almak için

        //Buradaki skuId , google playde tanımladığımız id’ler olmalı

        BillingFlowParams flowParams = BillingFlowParams.newBuilder()

                .setSku(skuId)

                .setType(BillingClient.SkuType.INAPP)

                .build();

        mBillingClient.launchBillingFlow(this, flowParams);

    

 

    private void buySubscription(String skuId)

        //haftalık,aylık,3 aylık,6 aylık ,yıllık üyelik için

        //Buradaki skuId , google playde tanımladığımız id’ler olmalı

        BillingFlowParams flowParams = BillingFlowParams.newBuilder()

                .setSku(skuId)

                .setType(BillingClient.SkuType.SUBS)

                .build();

        mBillingClient.launchBillingFlow(this, flowParams);

    

 

    @Override

    public void onPurchasesUpdated(int responseCode, @Nullable List purchases) //satın alma işlemi bittikten sonra bu method otomatik çağırılır

        if (responseCode == BillingClient.BillingResponse.OK

                && purchases != null) //satın alma başarılı

            for (final Purchase purchase : purchases)

                mBillingClient.consumeAsync(purchase.getPurchaseToken(), new ConsumeResponseListener()

                    @Override

                    public void onConsumeResponse(int responseCode, String purchaseToken)

                        if (responseCode == BillingClient.BillingResponse.OK)

                            //satın alma tamamlandı yapacağınız işlemler

                        

                    

                );

            

         else if (responseCode == BillingClient.BillingResponse.USER_CANCELED) //kullanıcı iptal etti

            // Handle an error caused by a user canceling the purchase flow.

            billingCanceled(); //kullanıcı iptal etti

 

         else

            billingCanceled(); //bir sorun var

        

    

 

    private void billingCanceled()

        //Kullanıcı iptal ettiğinde yapılacak işlemler