Java tutorial
/* * PowerSwitch by Max Rosin & Markus Ressel * Copyright (C) 2015 Markus Ressel * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package eu.power_switch.gui.dialog; import android.app.Dialog; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.design.widget.Snackbar; import android.support.v4.app.DialogFragment; import android.support.v7.app.AlertDialog; import android.view.LayoutInflater; import android.view.View; import android.widget.Button; import android.widget.LinearLayout; import java.math.BigInteger; import java.security.SecureRandom; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import eu.power_switch.R; import eu.power_switch.google_play_services.playstore.Base64; import eu.power_switch.google_play_services.playstore.IabHelper; import eu.power_switch.google_play_services.playstore.IabResult; import eu.power_switch.google_play_services.playstore.Inventory; import eu.power_switch.google_play_services.playstore.Purchase; import eu.power_switch.google_play_services.playstore.SkuDetails; import eu.power_switch.gui.StatusMessageHandler; import eu.power_switch.settings.SmartphonePreferencesHandler; import eu.power_switch.shared.log.Log; /** * Dialog to select a Play Store Donation * <p/> * Created by Markus on 01.10.2015. */ public class DonationDialog extends DialogFragment { private static final String SKU_DONATE_10 = "donate_10"; private static final String SKU_DONATE_5 = "donate_5"; private static final String SKU_DONATE_2 = "donate_2"; private static final String SKU_DONATE_1 = "donate_1"; private static final String SKU_TEST_PURCHASED = "android.test.purchased"; private static final String SKU_TEST_CANCELED = "android.test.canceled"; private static final String SKU_TEST_REFUNDED = "android.test.refunded"; private static final String SKU_TEST_ITEM_UNAVAILABLE = "android.test.item_unavailable"; private static final List<String> IAP_IDS_LIST = Arrays.asList(SKU_DONATE_10, SKU_DONATE_5, SKU_DONATE_2, SKU_DONATE_1); private static final int requestCode = 123; public static IabHelper iapHelper; private View rootView; private Button donate10; private Button donate5; private Button donate2; private Button donate1; private LinearLayout layoutDonationButtons; private LinearLayout layoutLoading; @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { LayoutInflater inflater = getActivity().getLayoutInflater(); rootView = inflater.inflate(R.layout.dialog_donation, null); View.OnClickListener onClickListener = new View.OnClickListener() { @Override public void onClick(View v) { switch (v.getId()) { case R.id.button_donate_10: initiatePurchase(SKU_DONATE_10); // initiatePurchase(SKU_TEST_PURCHASED); break; case R.id.button_donate_5: initiatePurchase(SKU_DONATE_5); // initiatePurchase(SKU_TEST_CANCELED); break; case R.id.button_donate_2: initiatePurchase(SKU_DONATE_2); // initiatePurchase(SKU_TEST_REFUNDED); break; case R.id.button_donate_1: initiatePurchase(SKU_DONATE_1); // initiatePurchase(SKU_TEST_ITEM_UNAVAILABLE); break; default: // initiatePurchase(SKU_TEST_PURCHASED); break; } } }; layoutLoading = (LinearLayout) rootView.findViewById(R.id.layoutLoading); layoutDonationButtons = (LinearLayout) rootView.findViewById(R.id.layout_donate_buttons); donate10 = (Button) rootView.findViewById(R.id.button_donate_10); donate10.setOnClickListener(onClickListener); donate5 = (Button) rootView.findViewById(R.id.button_donate_5); donate5.setOnClickListener(onClickListener); donate2 = (Button) rootView.findViewById(R.id.button_donate_2); donate2.setOnClickListener(onClickListener); donate1 = (Button) rootView.findViewById(R.id.button_donate_1); donate1.setOnClickListener(onClickListener); AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setView(rootView); builder.setTitle(getString(R.string.donate)); builder.setNeutralButton(R.string.close, null); Dialog dialog = builder.create(); dialog.setCanceledOnTouchOutside(false); // prevent close dialog on touch outside window dialog.show(); return dialog; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); try { String key = SmartphonePreferencesHandler.getPublicKeyString(); String base64EncodedPublicKey = new String(Base64.decode(key)); iapHelper = new IabHelper(getActivity(), base64EncodedPublicKey); new Thread(new Runnable() { @Override public void run() { iapHelper.startSetup(new IabHelper.OnIabSetupFinishedListener() { public void onIabSetupFinished(IabResult result) { if (!result.isSuccess()) { // Oh noes, there was a problem. StatusMessageHandler.showInfoMessage(getContext(), "Error consuming: " + result.getMessage(), Snackbar.LENGTH_LONG); Log.d("Problem setting up In-app Billing: " + result); } // Hooray, IAB is fully set up! iapHelper.queryInventoryAsync(true, IAP_IDS_LIST, new IabHelper.QueryInventoryFinishedListener() { @Override public void onQueryInventoryFinished(final IabResult result, final Inventory inventory) { if (result.isFailure()) { // handle error StatusMessageHandler.showInfoMessage(getContext(), "Error consuming: " + result.getMessage(), Snackbar.LENGTH_LONG); dismiss(); return; } final SkuDetails skuDetails10 = inventory.getSkuDetails(SKU_DONATE_10); final SkuDetails skuDetails5 = inventory.getSkuDetails(SKU_DONATE_5); final SkuDetails skuDetails2 = inventory.getSkuDetails(SKU_DONATE_2); final SkuDetails skuDetails1 = inventory.getSkuDetails(SKU_DONATE_1); getActivity().runOnUiThread(new Runnable() { @Override public void run() { donate10.setText(skuDetails10.getPrice()); donate5.setText(skuDetails5.getPrice()); donate2.setText(skuDetails2.getPrice()); donate1.setText(skuDetails1.getPrice()); layoutLoading.setVisibility(View.GONE); layoutDonationButtons.setVisibility(View.VISIBLE); } }); consumePreviousPurchases(); } }); } }); } }).start(); } catch (Exception e) { Log.e(e); e.printStackTrace(); } } private void initiatePurchase(String skuId) { IabHelper.OnIabPurchaseFinishedListener purchaseFinishedListener = new IabHelper.OnIabPurchaseFinishedListener() { @Override public void onIabPurchaseFinished(IabResult result, Purchase purchase) { // check the returned data signature, the orderId, and the developerPayload string // in the Purchase object to make sure that you are getting the expected values. // You should verify that the orderId is a unique value that you have not previously processed, // and the developerPayload string matches the token that you sent previously with the purchase request. // As a further security precaution, you should perform the verification on your own secure server. if (result.isFailure()) { StatusMessageHandler.showInfoMessage(getContext(), "Error purchasing: " + result.getMessage(), Snackbar.LENGTH_LONG); return; } consumePurchase(purchase); StatusMessageHandler.showInfoMessage(getContext(), R.string.thank_you, Snackbar.LENGTH_LONG); getDialog().cancel(); } }; SecureRandom random = new SecureRandom(); String requestString = new BigInteger(130, random).toString(32); iapHelper.launchPurchaseFlow(getActivity(), skuId, requestCode, purchaseFinishedListener, requestString); } private void consumePurchase(Purchase purchase) { iapHelper.consumeAsync(purchase, new IabHelper.OnConsumeFinishedListener() { @Override public void onConsumeFinished(Purchase purchase, IabResult result) { if (result.isFailure()) { StatusMessageHandler.showInfoMessage(getContext(), "Error consuming: " + result.getMessage(), Snackbar.LENGTH_LONG); return; } } }); } private void consumePreviousPurchases() { iapHelper.queryInventoryAsync(new IabHelper.QueryInventoryFinishedListener() { @Override public void onQueryInventoryFinished(IabResult result, Inventory inv) { if (result.isFailure()) { StatusMessageHandler.showInfoMessage(getContext(), "Error purchasing: " + result.getMessage(), Snackbar.LENGTH_LONG); return; } ArrayList<Purchase> purchases = new ArrayList<>(); for (String skuId : IAP_IDS_LIST) { if (inv.hasPurchase(skuId)) { purchases.add(inv.getPurchase(skuId)); } } iapHelper.consumeAsync(purchases, new IabHelper.OnConsumeMultiFinishedListener() { @Override public void onConsumeMultiFinished(List<Purchase> purchases, List<IabResult> results) { for (IabResult r : results) { if (r.isFailure()) { StatusMessageHandler.showInfoMessage(getContext(), "Error consuming: " + r.getMessage(), Snackbar.LENGTH_LONG); return; } } } }); } }); } @Override public void onResume() { super.onResume(); } @Override public void onDestroy() { super.onDestroy(); if (iapHelper != null) { iapHelper.dispose(); } iapHelper = null; } }