http1.xml

        
                
  1. <TableRow>
    2.             
  2. <TextView 
    3.             
  3. android:text="用户密码：" 
    4.             
  4. android:id="@+id/TextView"
    5.             
  5. android:layout_width="wrap_content" 
    6.             
  6. android:layout_height="wrap_content"
    7.             
  7. ></TextView>
    8.             
  8.  
    9.             
  9. <EditText 
    10.             
  10. android:text="" 
    11.             
  11. android:id="@+id/pwdEditText"
    12.             
  12. android:layout_width="fill_parent" 
    13.             
  13. android:layout_height="wrap_content"
    14.             
  14. android:password="true"></EditText>
    15.             
  15. </TableRow>
    16.             
  16.  
    17.             
  17. <TableRowandroid:gravity="right">
    18.             
  18. <Button 
    19.             
  19. android:text="取消" 
    20.             
  20. android:id="@+id/cancelButton"
    21.             
  21. android:layout_width="wrap_content" 
    22.             
  22. android:layout_height="wrap_content"></Button>
    23.             
  23.  
    24.             
  24. <Button 
    25.             
  25. android:text="登陆" 
    26.             
  26. android:id="@+id/loginButton"
    27.             
  27. android:layout_width="wrap_content" 
    28.             
  28. android:layout_height="wrap_content"></Button>
    29.             
  29. </TableRow>
    30.             
    31.             
  31. </TableLayout>
    32.             
    33.             
  33. /LinearLayout>
    34.

四、Web Service编程

TestWebServiceActivity.java

        
                
  1. packagecom.amaker.ch13.webservice; 
    2.             
    3.             
  3. importjava.io.IOException; 
    4.             
    5.             
  5. importorg.ksoap2.SoapEnvelope; 
    6.             
  6. importorg.ksoap2.serialization.MarshalBase64; 
    7.             
  7. importorg.ksoap2.serialization.PropertyInfo; 
    8.             
  8. importorg.ksoap2.serialization.SoapObject; 
    9.             
  9. importorg.ksoap2.serialization.SoapSerializationEnvelope; 
    10.             
  10. importorg.ksoap2.transport.AndroidHttpTransport; 
    11.             
  11. importorg.xmlpull.v1.XmlPullParserException; 
    12.             
    13.             
  13. importandroid.app.Activity; 
    14.             
  14. importandroid.os.Bundle; 
    15.             
    16.             
  16. publicclassTestWebServiceActivityextendsActivity{ 
    17.             
  17.  
    18.             
  18. @Override 
    19.             
  19. publicvoidonCreate(BundlesavedInstanceState){ 
    20.             
  20. super.onCreate(savedInstanceState); 
    21.             
  21. StringserviceNamespace="http://tempuri.org/"; 
    22.             
  22. StringserviceURL="http://www.ayandy.com/Service.asmx"; 
    23.             
  23. StringmethodName="getWeatherbyCityName"; 
    24.             
  24.  
    25.             
  25. SoapObjectrequest=newSoapObject(serviceNamespace,methodName); 
    26.             
  26.  
    27.             
  27. PropertyInfoinfo=newPropertyInfo(); 
    28.             
  28. info.setName("theCityName"); 
    29.             
  29. info.setValue("北京"); 
    30.             
  30.  
    31.             
  31. PropertyInfoinfo2=newPropertyInfo(); 
    32.             
  32. info2.setName("theDayFlag"); 
    33.             
  33. info2.setValue("1"); 
    34.             
  34.  
    35.             
  35. request.addProperty(info); 
    36.             
  36. request.addProperty(info2); 
    37.             
  37.  
    38.             
  38. SoapSerializationEnvelopeenvelope=newSoapSerializationEnvelope(SoapEnvelope.VER11); 
    39.             
  39. envelope.bodyOut=request; 
    40.             
  40. (newMarshalBase64()).register(envelope); 
    41.             
  41.  
    42.             
  42. AndroidHttpTransportht=newAndroidHttpTransport(serviceURL); 
    43.             
  43.  
    44.             
  44. ht.debug=true; 
    45.             
  45.  
    46.             
  46. try{ 
    47.             
  47. ht.call("http://tempuri.org/getWeatherbyCityName",envelope); 
    48.             
  48. if(envelope.getResponse()!=null){ 
    49.             
  49. System.out.println(envelope.getResult()); 
    50.             
  50. } 
    51.             
  51. }catch(IOExceptione){ 
    52.             
  52. //TODOAuto-generatedcatchblock 
    53.             
  53. e.printStackTrace(); 
    54.             
  54. }catch(XmlPullParserExceptione){ 
    55.             
  55. //TODOAuto-generatedcatchblock 
    56.             
  56. e.printStackTrace(); 
    57.             
  57. } 
    58.             
    59.             
  59.  
    60.             
  60. } 
    61.             
  61. }
    62.

WeatherActivity.java

        
                
  1. packagecom.amaker.ch13.webservice; 
    2.             
    3.             
  3. importjava.util.List; 
    4.             
    5.             
  5. importandroid.app.Activity; 
    6.             
  6. importandroid.os.Bundle; 
    7.             
  7. importandroid.view.View; 
    8.             
  8. importandroid.widget.AdapterView; 
    9.             
  9. importandroid.widget.ArrayAdapter; 
    10.             
  10. importandroid.widget.Spinner; 
    11.             
  11. importandroid.widget.TextView; 
    12.             
  12. importandroid.widget.AdapterView.OnItemSelectedListener; 
    13.             
  13. importcom.amaker.ch13.R; 
    14.             
    15.             
  15. /** 
    16.             
  16. * 
    17.             
  17. *显示天气预报 
    18.             
  18. */ 
    19.             
  19. publicclassWeatherActivityextendsActivity{ 
    20.             
  20. //声明视图组件 
    21.             
  21. privateTextViewdisplayTextView; 
    22.             
  22. privateSpinnerspinner; 
    23.             
  23. @Override 
    24.             
  24. publicvoidonCreate(BundlesavedInstanceState){ 
    25.             
  25. super.onCreate(savedInstanceState); 
    26.             
    27.             
  27. setContentView(R.layout.weather); 
    28.             
  28. //实例化视图组件 
    29.             
  29. displayTextView=(TextView)findViewById(R.id.displayTextView03); 
    30.             
  30. spinner=(Spinner)findViewById(R.id.citySpinner01); 
    31.             
  31.  
    32.             
  32. List<String>citys=WebServiceUtil.getCityList(); 
    33.             
  33. ArrayAdaptera=newArrayAdapter(this, 
    34.             
  34. android.R.layout.simple_spinner_dropdown_item,citys); 
    35.             
  35. spinner.setAdapter(a); 
    36.             
    37.             
  37. spinner.setOnItemSelectedListener(newOnItemSelectedListener(){ 
    38.             
    39.             
  39. @Override 
    40.             
  40. publicvoidonItemSelected(AdapterView<?>arg0,Viewarg1, 
    41.             
  41. intarg2,longarg3){ 
    42.             
  42. Stringmsg=WebServiceUtil.getWeatherMsgByCity(spinner.getSelectedItem().toString()); 
    43.             
  43. displayTextView.setText(msg); 
    44.             
  44. } 
    45.             
  45. @Override 
    46.             
  46. publicvoidonNothingSelected(AdapterView<?>arg0){ 
    47.             
  47.  
    48.             
  48. } 
    49.             
  49. }); 
    50.             
  50.  
    51.             
    52.             
  52. } 
    53.             
  53. }
    54.

WebServiceUtil.java

        
                
  1. packagecom.amaker.ch13.webservice; 
    2.             
    3.             
  3. importjava.io.IOException; 
    4.             
  4. importjava.io.InputStream; 
    5.             
  5. importjava.util.ArrayList; 
    6.             
  6. importjava.util.List; 
    7.             
    8.             
  8. importjavax.xml.parsers.DocumentBuilder; 
    9.             
  9. importjavax.xml.parsers.DocumentBuilderFactory; 
    10.             
    11.             
  11. importorg.apache.http.HttpResponse; 
    12.             
  12. importorg.apache.http.NameValuePair; 
    13.             
  13. importorg.apache.http.client.entity.UrlEncodedFormEntity; 
    14.             
  14. importorg.apache.http.client.methods.HttpPost; 
    15.             
  15. importorg.apache.http.impl.client.DefaultHttpClient; 
    16.             
  16. importorg.apache.http.message.BasicNameValuePair; 
    17.             
  17. importorg.apache.http.protocol.HTTP; 
    18.             
  18. importorg.apache.http.util.EntityUtils; 
    19.             
  19. importorg.ksoap2.SoapEnvelope; 
    20.             
  20. importorg.ksoap2.serialization.MarshalBase64; 
    21.             
  21. importorg.ksoap2.serialization.SoapObject; 
    22.             
  22. importorg.ksoap2.serialization.SoapSerializationEnvelope; 
    23.             
  23. importorg.ksoap2.transport.AndroidHttpTransport; 
    24.             
  24. importorg.w3c.dom.Document; 
    25.             
  25. importorg.w3c.dom.Element; 
    26.             
  26. importorg.w3c.dom.Node; 
    27.             
  27. importorg.w3c.dom.NodeList; 
    28.             
  28. importorg.xmlpull.v1.XmlPullParserException; 
    29.             
    30.             
  30. /** 
    31.             
  31. * 
    32.             
  32. *天气预报工具类 
    33.             
  33. */ 
    34.             
  34. publicclassWebServiceUtil{ 
    35.             
  35.  
    36.             
  36. /* 
    37.             
  37. *通过传递城市名称获得天气信息 
    38.             
  38. */ 
    39.             
  39. publicstaticStringgetWeatherMsgByCity(StringcityName){ 
    40.             
  40. Stringurl="http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/getWeather"; 
    41.             
  41. HttpPostrequest=newHttpPost(url); 
    42.             
  42. List<NameValuePair>params=newArrayList<NameValuePair>(); 
    43.             
  43. params.add(newBasicNameValuePair("theCityCode",cityName)); 
    44.             
  44. params.add(newBasicNameValuePair("theUserID","")); 
    45.             
  45. Stringresult=null; 
    46.             
  46. try{ 
    47.             
  47. UrlEncodedFormEntityentity=newUrlEncodedFormEntity(params, 
    48.             
  48. HTTP.UTF_8); 
    49.             
  49. request.setEntity(entity); 
    50.             
  50. HttpResponseresponse=newDefaultHttpClient().execute(request); 
    51.             
  51. if(response.getStatusLine().getStatusCode()==200){ 
    52.             
  52. result=EntityUtils.toString(response.getEntity()); 
    53.             
  53. returnparse2(result); 
    54.             
  54. } 
    55.             
  55. }catch(Exceptione){ 
    56.             
  56. e.printStackTrace(); 
    57.             
  57. } 
    58.             
  58. returnnull; 
    59.             
  59. } 
    60.             
    61.             
  61. /* 
    62.             
  62. *使用ksoap，获得城市列表 
    63.             
  63. */ 
    64.             
  64. publicstaticList<String>getCityList(){ 
    65.             
  65. //命名空间 
    66.             
  66. StringserviceNamespace="http://WebXml.com.cn/"; 
    67.             
  67. //请求URL 
    68.             
  68. StringserviceURL="http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx"; 
    69.             
  69. //调用的方法 
    70.             
  70. StringmethodName="getRegionProvince"; 
    71.             
  71. //实例化SoapObject对象 
    72.             
  72. SoapObjectrequest=newSoapObject(serviceNamespace,methodName); 
    73.             
  73. //获得序列化的Envelope 
    74.             
  74. SoapSerializationEnvelopeenvelope=newSoapSerializationEnvelope( 
    75.             
  75. SoapEnvelope.VER11); 
    76.             
  76. envelope.bodyOut=request; 
    77.             
  77. (newMarshalBase64()).register(envelope); 
    78.             
  78.  
    79.             
  79. //Android传输对象 
    80.             
  80. AndroidHttpTransportht=newAndroidHttpTransport(serviceURL); 
    81.             
  81. ht.debug=true; 
    82.             
    83.             
  83. try{ 
    84.             
  84. //调用 
    85.             
  85. ht.call("http://WebXml.com.cn/getRegionProvince",envelope); 
    86.             
  86. if(envelope.getResponse()!=null){ 
    87.             
  87. returnparse(envelope.bodyIn.toString()); 
    88.             
  88. } 
    89.             
  89. }catch(IOExceptione){ 
    90.             
  90. e.printStackTrace(); 
    91.             
  91. }catch(XmlPullParserExceptione){ 
    92.             
  92. e.printStackTrace(); 
    93.             
  93. } 
    94.             
    95.             
  95. returnnull; 
    96.             
  96. } 
    97.             
  97.  
    98.             
  98. /* 
    99.             
  99. *对天气信息XML文件进行解析 
    100.             
  100. */ 
    101.             
  101. privatestaticStringparse2(Stringstr){ 
    102.             
  102. Stringtemp; 
    103.             
  103. String[]temps; 
    104.             
  104. Listlist=newArrayList(); 
    105.             
  105. StringBuildersb=newStringBuilder(""); 
    106.             
  106. if(str!=null&&str.length()>0){ 
    107.             
  107. temp=str.substring(str.indexOf("<string>")); 
    108.             
  108. temptemps=temp.split("</string>"); 
    109.             
  109. for(inti=0;i<temps.length;i++){ 
    110.             
  110. sb.append(temps[i].substring(12)); 
    111.             
  111. sb.append("\n"); 
    112.             
  112. } 
    113.             
  113. } 
    114.             
  114. returnsb.toString(); 
    115.             
  115. } 
    116.             
  116.  
    117.             
  117. /* 
    118.             
  118. *对得到的城市XML信息进行解析 
    119.             
  119. */ 
    120.             
  120. privatestaticList<String>parse(Stringstr){ 
    121.             
  121. Stringtemp; 
    122.             
  122. List<String>list=newArrayList<String>(); 
    123.             
  123. if(str!=null&&str.length()>0){ 
    124.             
  124. intstart=str.indexOf("string"); 
    125.             
  125. intend=str.lastIndexOf(";"); 
    126.             
  126. temp=str.substring(start,end-3); 
    127.             
  127. String[]test=temp.split(";"); 
    128.             
  128. for(inti=0;i<test.length;i++){ 
    129.             
  129. if(i==0){ 
    130.             
  130. temp=test[i].substring(7); 
    131.             
  131. }else{ 
    132.             
  132. temp=test[i].substring(8); 
    133.             
  133. } 
    134.             
  134. intindex=temp.indexOf(","); 
    135.             
  135. list.add(temp.substring(0,index)); 
    136.             
  136. } 
    137.             
  137. } 
    138.             
  138. returnlist; 
    139.             
  139. } 
    140.             
    141.             
  141. }
    142.

weather.xml

        
                
  1. <?xmlversion="1.0"encoding="utf-8"?>
    2.             
  2. <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"
    3.             
  3. android:orientation="vertical"android:layout_width="fill_parent"
    4.             
  4. android:layout_height="fill_parent">
    5.             
    6.             
  6. <TextView 
    7.             
  7. android:text="天气预报" 
    8.             
  8. android:id="@+id/titleTextView01"
    9.             
  9. android:layout_width="wrap_content" 
    10.             
  10. android:layout_height="wrap_content"></TextView>
    11.             
  11.  
    12.             
  12. <LinearLayout 
    13.             
  13. android:orientation="horizontal"
    14.             
  14. android:layout_width="fill_parent" 
    15.             
  15. android:layout_height="wrap_content">
    16.             
    17.             
  17. <TextView 
    18.             
  18. android:text="请选择城市：" 
    19.             
  19. android:id="@+id/cityTextView02"
    20.             
  20. android:layout_width="wrap_content" 
    21.             
  21. android:layout_height="wrap_content"></TextView>
    22.             
    23.             
  23. <Spinner 
    24.             
  24. android:id="@+id/citySpinner01" 
    25.             
  25. android:layout_width="fill_parent"
    26.             
  26. android:layout_height="wrap_content"></Spinner>
    27.             
  27. </LinearLayout>
    28.             
    29.             
  29. <ScrollView 
    30.             
  30. android:id="@+id/ScrollView01"
    31.             
  31. android:layout_width="wrap_content" 
    32.             
  32. android:layout_height="wrap_content">
    33.             
  33.  
    34.             
  34. <TextView 
    35.             
  35. android:text="@+id/displayTextView03" 
    36.             
  36. android:id="@+id/displayTextView03"
    37.             
  37. android:layout_width="fill_parent" 
    38.             
  38. android:layout_height="fill_parent"></TextView>
    39.             
  39.  
    40.             
  40. </ScrollView>
    41.             
  41. </LinearLayout>
    42.

五、WebView编程

TestWebViewActivity.java

        
                
  1. packagecom.amaker.ch13.webview; 
    2.             
    3.             
  3. importandroid.app.Activity; 
    4.             
  4. importandroid.os.Bundle; 
    5.             
  5. importandroid.webkit.WebView; 
    6.             
    7.             
  7. importcom.amaker.ch13.R; 
    8.             
  8. /** 
    9.             
  9. *通过WebView浏览网络 
    10.             
  10. */ 
    11.             
  11. publicclassTestWebViewActivityextendsActivity{ 
    12.             
  12. privateWebViewwebView; 
    13.             
  13. @Override 
    14.             
  14. publicvoidonCreate(BundlesavedInstanceState){ 
    15.             
  15. super.onCreate(savedInstanceState); 
    16.             
  16. setContentView(R.layout.test_webview); 
    17.             
  17. webView=(WebView)findViewById(R.id.mywebview); 
    18.             
  18. /*Stringurl="http://www.google.com"; 
    19.             
  19. webView.loadUrl(url);*/ 
    20.             
  20.  
    21.             
  21. Stringhtml=""; 
    22.             
  22. html+="<html>"; 
    23.             
  23. html+="<body>"; 
    24.             
  24. html+="<ahref=http://www.google.com>GoogleHome</a>"; 
    25.             
  25. html+="</body>"; 
    26.             
  26. html+="</html>"; 
    27.             
  27.  
    28.             
  28. webView.loadData(html,"text/html","utf-8"); 
    29.             
  29.  
    30.             
  30.  
    31.             
  31. } 
    32.             
  32. }
    33.

test_webview.xml

        
                
    2.             
  2. <?xmlversion="1.0"encoding="utf-8"?>
    3.             
  3. <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"
    4.             
  4. android:orientation="vertical"
    5.             
  5. android:layout_width="fill_parent"
    6.             
  6. android:layout_height="fill_parent"
    7.             
  7. >
    8.             
  8. <WebView 
    9.             
  9. android:id="@+id/mywebview"
    10.             
  10. android:layout_width="fill_parent"
    11.             
  11. android:layout_height="fill_parent"
    12.             
  12. />
    13.             
  13. </LinearLayout>
    14.

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