61 lines
2.1 KiB
Java
61 lines
2.1 KiB
Java
/*
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* Copyright (C) 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.gson.examples.android;
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import java.util.ArrayList;
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import java.util.List;
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import android.app.Activity;
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import android.os.Bundle;
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import android.widget.TextView;
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import com.google.gson.Gson;
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import com.google.gson.examples.android.model.Cart;
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import com.google.gson.examples.android.model.LineItem;
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/**
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* Activity class illustrating how to use proguard with Gson
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*
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* @author Inderjeet Singh
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*/
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public class GsonProguardExampleActivity extends Activity {
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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setContentView(R.layout.main);
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TextView tv = (TextView) findViewById(R.id.tv);
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Gson gson = new Gson();
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Cart cart = buildCart();
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StringBuilder sb = new StringBuilder();
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sb.append("Gson.toJson() example: \n");
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sb.append(" Cart Object: ").append(cart).append("\n");
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sb.append(" Cart JSON: ").append(gson.toJson(cart)).append("\n");
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sb.append("\n\nGson.fromJson() example: \n");
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String json = "{buyer:'Happy Camper',creditCard:'4111-1111-1111-1111',"
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+ "lineItems:[{name:'nails',priceInMicros:100000,quantity:100,currencyCode:'USD'}]}";
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sb.append("Cart JSON: ").append(json).append("\n");
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sb.append("Cart Object: ").append(gson.fromJson(json, Cart.class)).append("\n");
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tv.setText(sb.toString());
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tv.invalidate();
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}
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private Cart buildCart() {
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List<LineItem> lineItems = new ArrayList<>();
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lineItems.add(new LineItem("hammer", 1, 12000000, "USD"));
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return new Cart(lineItems, "Happy Buyer", "4111-1111-1111-1111");
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}
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}
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