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