<GoldPrice.java>
1: package com.android.goldprice;
2:
3: import java.io.BufferedReader;
4: import java.io.InputStreamReader;
5: import java.net.HttpURLConnection;
6: import java.net.URL;
7:
8: import android.app.Activity;
9: import android.os.Bundle;
10: import android.util.Log;
11: import android.view.View;
12: import android.widget.Button;
13: import android.widget.TextView;
14:
15: public class GoldPrice extends Activity {
16:
17: Button btnUpdate, btnExit;
18: TextView tvNTPrice, tvUSPrice, tvGCKPrice,
19: tvNTInformationTime, tvUSInformationTime, tvGCKInformationTime;
20: int start, end, counter;
21: URL url;
22: HttpURLConnection httpUrlconnection;
23: String NTGoldWebURL = "http://rate.bot.com.tw/Pages/Static/UIP005.zh-TW.htm";
24: String USGoldWebURL = "http://rate.bot.com.tw/Pages/Static/OBU005.zh-TW.htm";
25: String GCKGoldWebURL = "http://www.gck99.com.tw/gold.asp";
26: String urlData, informationTime, goldPrice;
27:
28: @Override
29: public void onCreate(Bundle savedInstanceState) {
30: super.onCreate(savedInstanceState);
31: setContentView(R.layout.main);
32: findViews();
33: // 顯示新台幣計價黃金存摺牌價
34: showNTGoldResults();
35: // 顯示美元計價黃金存摺牌價
36: showUSGoldResults();
37: // 顯示台灣地區即時黃金牌價
38: showGCKGoldResults();
39: setButtonClickListener();
40: }
41:
42: protected void findViews() {
43: btnUpdate = (Button) findViewById(R.id.updateBtn);
44: btnExit = (Button) findViewById(R.id.exitBtn);
45: tvNTPrice = (TextView) findViewById(R.id.ntpriceTextView);
46: tvUSPrice = (TextView) findViewById(R.id.uspriceTextView);
47: tvGCKPrice = (TextView) findViewById(R.id.gckpriceTextView);
48: tvNTInformationTime = (TextView) findViewById(R.id.ntinformationtimeTextView);
49: tvUSInformationTime = (TextView) findViewById(R.id.usinformationtimeTextView);
50: tvGCKInformationTime = (TextView) findViewById(R.id.gckinformationtimeTextView);
51: }
52:
53: public void showNTGoldResults() {
54: // 顯示新台幣計價黃金存摺牌價
55: // 讀取網頁資料，並將資料存放在於 urlData
56: urlData = GetURLData(NTGoldWebURL , 8900);
57: // 剖析 urlData，擷取黃金存摺牌價資料
58: Parser(urlData);
59: // 將擷取到黃金存摺牌價資料顯示於 TextView 欄位中
60: tvNTPrice.setText("1公克 "+goldPrice+"\n");
61: // 顯示黃金存摺牌價資料掛牌時間
62: tvNTInformationTime.setText("掛牌時間："+informationTime+"\n");
63: }
64:
65: public void showUSGoldResults() {
66: // 顯示美元計價黃金存摺牌價
67: // 讀取網頁資料，並將資料存放在於 urlData
68: urlData = GetURLData(USGoldWebURL , 8900);
69: // 剖析 urlData，擷取黃金存摺牌價資料
70: Parser(urlData);
71: // 將擷取到黃金存摺牌價資料顯示於 TextView 欄位中
72: tvUSPrice.setText("1英兩 "+goldPrice+"\n");
73: // 顯示黃金存摺牌價資料掛牌時間
74: tvUSInformationTime.setText("掛牌時間："+informationTime+"\n");
75: }
76:
77: public void showGCKGoldResults() {
78: // 顯示台灣地區即時黃金牌價
79: // 讀取網頁資料，並將資料存放在於 urlData
80: urlData = GetURLData(GCKGoldWebURL , 20887);
81: // 剖析 urlData，擷取黃金存摺牌價資料
82: gckParser(urlData);
83: // 將擷取到黃金存摺牌價資料顯示於 TextView 欄位中
84: tvGCKPrice.setText("1台錢 "+goldPrice+"\n");
85: // 顯示黃金存摺牌價資料掛牌時間
86: tvGCKInformationTime.setText("掛牌時間："+informationTime+"\n");
87: }
88:
89: protected void setButtonClickListener() {
90:
91: btnUpdate.setOnClickListener(new Button.OnClickListener(){
92: public void onClick(View v) {
93: // 顯示新台幣計價黃金存摺牌價
94: showNTGoldResults();
95: // 顯示美元計價黃金存摺牌價
96: showUSGoldResults();
97: // 顯示台灣地區即時黃金牌價
98: showGCKGoldResults();
99: }
100: });
101:
102:
103: btnExit.setOnClickListener(new Button.OnClickListener(){
104: public void onClick(View v) {
105: android.os.Process.killProcess(android.os.Process.myPid());
106: }
107: });
108:
109: }
110:
111: public String GetURLData(String WebURL, int ReadSize){
112: // 讀取網頁資料，並將資料存放在 urlData
113: urlData = null;
114: try {
115: url = new URL(WebURL);
116: httpUrlconnection = (HttpURLConnection) url.openConnection();
117: httpUrlconnection.setDoInput(true);
118: httpUrlconnection.setDoOutput(true);
119: httpUrlconnection.connect();
120: BufferedReader bufReader = new BufferedReader(
121: new InputStreamReader(httpUrlconnection.getInputStream()));
122: String decodedString;
123: while ((decodedString = bufReader.readLine()) != null) {
124: urlData += decodedString;
125: if (urlData.length() > ReadSize)
126: break;
127: }
128: bufReader.close();
129: httpUrlconnection.disconnect();
130: }
131: catch(Exception e){
132: Log.e("ERROR", e.toString());
133: }
134: return urlData;
135: }
136:
137:
138: public void Parser( String urlData ){
139: // 剖析 urlData，擷取黃金存摺牌價資料
140: String temp = null;
141: // 擷取【掛牌時間】
142: end = 0;
143: start = urlData.indexOf("掛牌時間：", end+1);
144: end = urlData.indexOf("</td>", start+1);
145: informationTime = urlData.substring(start+11, end);
146: // 擷取黃金存摺牌價資料
147: for (counter = 0 ; counter <= 13 ; counter++)
148: {
149: start = urlData.indexOf("<td class=\"decimal\">", end+1);
150: end = urlData.indexOf("</td>", start+1);
151: temp = urlData.substring(start+20, end);
152: switch (counter) {
153: case 6:
154: goldPrice = "賣出<" + temp + ">元 ";
155: break;
156:
157: case 13:
158: goldPrice += "買進<" + temp + ">元";
159: break;
160:
161: default:
162: break;
163: }
164: }
165: }
166:
167: public void gckParser( String urlData ){
168: // 剖析 GCK urlData，擷取黃金牌價資料
169: String temp = null;
170: // 擷取【掛牌時間】
171: end = 0;
172: start = urlData.indexOf("<font size=\"1\">", end+1);
173: end = urlData.indexOf("</font>", start+1);
174: informationTime = urlData.substring(start+17, end);
175: // 擷取黃金牌價資料
176: end = 0;
177: for (counter = 1 ; counter <= 6 ; counter++)
178: {
179: start = urlData.indexOf("font-size:9pt;", end+1);
180:
181: switch (counter) {
182: case 3:
183: end = urlData.indexOf("</span>", start+1);
184: temp = urlData.substring(start+19, end);
185: goldPrice = "賣出<" + temp + ">元 ";
186: break;
187:
188: case 6:
189: end = urlData.indexOf("</span>", start+1);
190: temp = urlData.substring(start+19, end);
191: goldPrice = goldPrice + "買進<" + temp + ">元";
192: break;
193:
194: default:
195: end = start + 16;
196: break;
197: }
198: }
199: }
200: }
<main.xml>
1: <?xml version="1.0" encoding="utf-8"?>
2: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3: android:layout_width="fill_parent"
4: android:layout_height="fill_parent"
5: android:orientation="vertical" >
6:
7: <TextView
8: android:id="@+id/textView1"
9: android:layout_width="match_parent"
10: android:layout_height="wrap_content"
11: android:gravity="center"
12: android:text="@string/strTitle"
13: android:textAppearance="?android:attr/textAppearanceLarge" />
14:
15: <TextView
16: android:id="@+id/textView2"
17: android:layout_width="wrap_content"
18: android:layout_height="wrap_content"
19: android:text="@string/strNTTitle"
20: android:textAppearance="?android:attr/textAppearanceMedium" />
21:
22: <TextView
23: android:id="@+id/ntpriceTextView"
24: android:layout_width="match_parent"
25: android:layout_height="wrap_content"
26: android:text="@string/strNTPriceInformation" />
27:
28: <TextView
29: android:id="@+id/ntinformationtimeTextView"
30: android:layout_width="match_parent"
31: android:layout_height="wrap_content"
32: android:text="@string/strInformationTime" />
33:
34: <TextView
35: android:id="@+id/textView3"
36: android:layout_width="wrap_content"
37: android:layout_height="wrap_content"
38: android:text="@string/strUSTitle"
39: android:textAppearance="?android:attr/textAppearanceMedium" />
40:
41: <TextView
42: android:id="@+id/textView4"
43: android:layout_width="wrap_content"
44: android:layout_height="wrap_content"
45: android:text="@string/strPS" />
46:
47: <TextView
48: android:id="@+id/uspriceTextView"
49: android:layout_width="match_parent"
50: android:layout_height="wrap_content"
51: android:text="@string/strUSPriceInformation" />
52:
53: <TextView
54: android:id="@+id/usinformationtimeTextView"
55: android:layout_width="wrap_content"
56: android:layout_height="wrap_content"
57: android:text="@string/strInformationTime" />
58:
59: <TextView
60: android:id="@+id/textView5"
61: android:layout_width="match_parent"
62: android:layout_height="wrap_content"
63: android:text="@string/strgckTitle"
64: android:textAppearance="?android:attr/textAppearanceMedium" />
65:
66: <TextView
67: android:id="@+id/gckpriceTextView"
68: android:layout_width="match_parent"
69: android:layout_height="wrap_content"
70: android:text="@string/strgckPriceInformation" />
71:
72: <TextView
73: android:id="@+id/gckinformationtimeTextView"
74: android:layout_width="wrap_content"
75: android:layout_height="wrap_content"
76: android:text="@string/strInformationTime" />
77:
78: <LinearLayout
79: android:id="@+id/linearLayout1"
80: android:layout_width="match_parent"
81: android:layout_height="wrap_content" >
82:
83: <Button
84: android:id="@+id/updateBtn"
85: android:layout_width="wrap_content"
86: android:layout_height="wrap_content"
87: android:text="@string/strUpdate" />
88:
89: <Button
90: android:id="@+id/exitBtn"
91: android:layout_width="wrap_content"
92: android:layout_height="wrap_content"
93: android:text="@string/strExit" />
94:
95: </LinearLayout>
96:
97: <TextView
98: android:id="@+id/textView6"
99: android:layout_width="match_parent"
100: android:layout_height="wrap_content"
101: android:gravity="center"
102: android:text="@string/strCopyright" />
103:
104: </LinearLayout>
<strings.xml>
1: <?xml version="1.0" encoding="utf-8"?>
2: <resources>
3:
4: <string name="hello">Hello World, GoldPrice!</string>
5: <string name="app_name">黃金牌價</string>
6: <string name="strTitle">黃金牌價</string>
7: <string name="strNTTitle">臺灣銀行新台幣計價黃金存摺</string>
8: <string name="strNTPriceInformation">1公克</string>
9: <string name="strUSTitle">臺灣銀行美元計價黃金存摺</string>
10: <string name="strUSPriceInformation">1英兩</string>
11: <string name="strUpdate">取得最新黃金牌價</string>
12: <string name="strExit">離開</string>
13: <string name="strPS">【1英兩=31.1公克】</string>
14: <string name="strInformationTime">掛牌時間：</string>
15: <string name="strgckTitle">台灣地區銀樓公會即時黃金牌價</string>
16: <string name="strgckPriceInformation">1台錢</string>
17: <string name="strCopyright">\nCopyright : Terry Wu (terry.wuteyu@gmail.com)</string>
18:
19: </resources>
<AndroidManifest.xml>
1: <?xml version="1.0" encoding="utf-8"?>
2: <manifest xmlns:android="http://schemas.android.com/apk/res/android"
3: package="com.android.goldprice"
4: android:versionCode="1"
5: android:versionName="1.0" android:installLocation="auto">
6:
7: <uses-sdk android:minSdkVersion="8" />
8: <uses-permission android:name="android.permission.INTERNET"/>
9:
10: <application
11: android:icon="@drawable/gold"
12: android:label="@string/app_name" >
13: <activity
14: android:name=".GoldPrice"
15: android:label="@string/app_name" >
16: <intent-filter>
17: <action android:name="android.intent.action.MAIN" />
18:
19: <category android:name="android.intent.category.LAUNCHER" />
20: </intent-filter>
21: </activity>
22: </application>
23:
24: </manifest>
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