import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
private void reloadInventory() {
    final Inventory.Request request = Inventory.Request.create();
    // load purchase info
    request.loadAllPurchases();
    // load SKU details
    request.loadSkus(ProductTypes.IN_APP, getInAppSkus());
    mCheckout.loadInventory(request, mInventoryCallback);
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
@Override
public void onLoaded(@Nonnull Inventory.Products products) {
    final Inventory.Product product = products.get(ProductTypes.IN_APP);
    if (!product.supported) {
        // billing is not supported, user can't purchase anything
        return;
    }
    mAdapter.update(product);
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
@Override
public void onLoaded(@NonNull Inventory.Products products) {
    final Inventory.Product product = products.get(ProductTypes.IN_APP);
    mAdapter.setNotifyOnChange(false);
    mAdapter.clear();

    if (product.supported) {
        for (Sku sku : product.getSkus()) {
            final Purchase purchase = product.getPurchaseInState(sku, Purchase.State.PURCHASED);
            final SkuUi skuUi = new SkuUi(sku, purchase != null);
            mAdapter.add(skuUi);
        }

        // Sort items by prices.
        mAdapter.sort(new Comparator<SkuUi>() {
            @Override
            public int compare(@NonNull SkuUi l, @NonNull SkuUi r) {
                return (int) (l.sku.detailedPrice.amount - r.sku.detailedPrice.amount);
            }
        });
        showScene(SCREEN_INVENTORY);
    } else {
        mEmptyView.setText(R.string.donate_billing_not_supported);
        showScene(SCREEN_EMPTY_VIEW);
    }

    mAdapter.notifyDataSetChanged();
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
@Nullable
@Override
public Inventory getFallbackInventory(@NonNull Checkout checkout,
                                      @NonNull Executor onLoadExecutor) {
    if (RobotmediaDatabase.exists(mBilling.getContext())) {
        return new RobotmediaInventory(checkout, onLoadExecutor);
    } else {
        return null;
    }
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
@Override
public void onLoaded(@NonNull Inventory.Products products) {
    final Inventory.Product product = products.get(ProductTypes.IN_APP);
    mAdapter.setNotifyOnChange(false);
    mAdapter.clear();

    if (product.supported) {
        for (Sku sku : product.getSkus()) {
            final Purchase purchase = product.getPurchaseInState(sku, Purchase.State.PURCHASED);
            final SkuUi skuUi = new MySkuUi(sku, purchase != null);
            mAdapter.add(skuUi);
        }

        // Sort items by prices.
        mAdapter.sort(new Comparator<SkuUi>() {
            @Override
            public int compare(@NonNull SkuUi l, @NonNull SkuUi r) {
                return (int) (l.sku.detailedPrice.amount - r.sku.detailedPrice.amount);
            }
        });

        // Show the inventory.
        refreshUi(SCREEN_INVENTORY);
    } else refreshUi(SCREEN_EMPTY_VIEW);

    mAdapter.notifyDataSetChanged();
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
public void update(Inventory.Product product) {
    mProduct = product;
    notifyDataSetChanged();
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
@Override
public void onLoaded(@NonNull Inventory.Products inventoryProducts) {
    BakerApplication.getInstance().getIssueCollection().updatePricesFromProducts(inventoryProducts);
    issueAdapter.updateIssues();
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
@Override
public void onLoaded(@NonNull Inventory.Products inventoryProducts) {
    // Load existing purchases from backend
    fetchPurchasesJob = new FetchPurchasesJob(Configuration.getManifestUrl());
    BakerApplication.getInstance().getJobManager().addJobInBackground(fetchPurchasesJob);
}
 

import org.solovyev.android.checkout.Inventory; //导入依赖的package包/类
public Inventory getInventory() {
    return inventory;
}