《移动应用开发》试题及答案21页.doc

《《移动应用开发》试题及答案21页.doc》由会员分享，可在线阅读，更多相关《《移动应用开发》试题及答案21页.doc（21页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、如有侵权，请联系网站删除，仅供学习与交流移动应用开发试题及答案【精品文档】第 19 页移动应用开发试题题目：1.请实现点击按钮拨打电话功能。（20分）2.请实现点击按钮改变文本控件颜色的功能。（30分）3.请实现使用socket通信的服务器端代码。（50分）要求：逻辑结构完整，答案要点突出，论述充分，每题答案字数不少于400字。答案不得完全照抄书本或其他资料，不得互相抄袭。中南大学网络教育课程考试移动应用开发答卷本人承诺：本试卷确为本人独立完成，若有违反愿意接受处理。签名：_学号：_专业：_学习中心：_题号一二三总分评阅人签字成绩1. 答： private Button btn2;btn2=(

2、Button)findViewById(R.id.btn2);/在xml中把button2改成btn2，为该按钮的idbtn2.setOnClickListener(new OnClickListener();在OnClick() Intent in2 = new Intent(); in2.setAction(Intent.ACTION_CALL);/指定意图动作 in2.setData(Uri.parse(tel:1836380000);/指定电话号码 startActivity(in2);在android系统中，所有系统请求，必须要在androidmainfest.xml中注册 在app

3、lication上面MainActivity.java:package com.example.qq;import .Uri;import android.os.Bundle;import android.app.Activity;import android.app.AlertDialog;import android.app.Dialog;import android.content.DialogInterface;import android.content.Intent;import android.view.LayoutInflater;import android.view.Men

4、u;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;public class MainActivity extends Activity private Button btn;private Button btn2; private EditText et; private EditText et2; Override protected void onCreate(Bundle savedI

5、nstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); et = (EditText)findViewById(R.id.editText1); et2 = (EditText)findViewById(R.id.editText2); btn2 = (Button)findViewById(R.id.btn2); btn = (Button)findViewById(R.id.button1); btn.setOnClickListener(new OnClickLis

6、tener()Overridepublic void onClick(View arg0) / TODO Auto-generated method stub final String str = et.getText().toString().trim(); final String str2 = et2.getText().toString().trim();if (str.equals(str2)Intent in = new Intent(MainActivity.this,SecActivity.class);startActivity(in);elseSystem.out.prin

7、tln(!); btn2.setOnClickListener(new OnClickListener()Overridepublic void onClick(View arg0) / TODO Auto-generated method stubIntent in2 = new Intent();in2.setAction(Intent.ACTION_CALL);in2.setData(Uri.parse(tel:18363853385);startActivity(in2);Override public boolean onCreateOptionsMenu(Menu menu) /

8、Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true;androidmainfest.xml: 1. Android Layout文件Layout文件，用来呈现一个拨打电话的按钮。1. 2. 6. 11. Activity使用以下代码，Android拨打电话：1. Intent callIntent = new Intent(Intent.ACTION_CALL);2. callIntent.s

9、etData(Uri.parse(tel:18912345678);3. startActivity(callIntent);文件：MainActivity.java 当点击拨打电话按钮时，就会拨打18912345678这个号码。1. package net.cublog.android;2. import android.app.Activity;3. import android.content.Context;4. import android.content.Intent;5. import .Uri;6. import android.os.Bundle;7. import andr

10、oid.telephony.PhoneStateListener;8. import android.telephony.TelephonyManager;9. import android.util.Log;10. import android.view.View;11. import android.view.View.OnClickListener;12. import android.widget.Button;13. public class MainActivity extends Activity 14. private Button button;15. Override16.

11、 public void onCreate(Bundle savedInstanceState) 17. super.onCreate(savedInstanceState);18. setContentView(R.layout.main);19. button = (Button) findViewById(R.id.buttonCall);20. / add button listener21. button.setOnClickListener(new OnClickListener() 22. Override23. public void onClick(View arg0) 24

12、. Intent callIntent = new Intent(Intent.ACTION_CALL);25. callIntent.setData(Uri.parse(tel:18912345678);26. startActivity(callIntent);Android Manifest拨打电话，Android需要CALL_PHONE的权限。在AndroidManifest.xml中添加以下代码：1. 添加后：1. 2. 6. 7. 8. 11. 14. 15. 16. 17. 18. 19. 20. PhoneStateListener 例子更新上面的Activity，模拟拨打电话

13、的状态，当电话拨打结束后，返回原始Activity，实际上只是重启了这个activity。1. package net.cublog.android;2. import android.app.Activity;3. import android.content.Context;4. import android.content.Intent;5. import .Uri;6. import android.os.Bundle;7. import android.telephony.PhoneStateListener;8. import android.telephony.Telephony

14、Manager;9. import android.util.Log;10. import android.view.View;11. import android.view.View.OnClickListener;12. import android.widget.Button;13. public class MainActivity extends Activity 14. private Button button;15. Override16. public void onCreate(Bundle savedInstanceState) 17. super.onCreate(sa

15、vedInstanceState);18. setContentView(R.layout.main);19. button = (Button) findViewById(R.id.buttonCall);20. / add PhoneStateListener21. PhoneCallListener phoneListener = new PhoneCallListener();22. TelephonyManager telephonyManager = (TelephonyManager) this23. .getSystemService(Context.TELEPHONY_SER

16、VICE);24. telephonyManager.listen(phoneListener,PhoneStateListener.LISTEN_CALL_STATE);25. / add button listener26. button.setOnClickListener(new OnClickListener() 27. Override28. public void onClick(View arg0) 29. Intent callIntent = new Intent(Intent.ACTION_CALL);30. callIntent.setData(Uri.parse(te

17、l:18912345678);31. startActivity(callIntent);32. /monitor phone call activities33. private class PhoneCallListener extends PhoneStateListener 34. private boolean isPhoneCalling = false;35. String LOG_TAG = LOGGING 123;36. Override37. public void onCallStateChanged(int state, String incomingNumber) 3

18、8. if (TelephonyManager.CALL_STATE_RINGING = state) 39. / phone ringing40. Log.i(LOG_TAG, RINGING, number: + incomingNumber);41. if (TelephonyManager.CALL_STATE_OFFHOOK = state) 42. / active43. Log.i(LOG_TAG, OFFHOOK);44. isPhoneCalling = true;45. if (TelephonyManager.CALL_STATE_IDLE = state) 46. /

19、run when class initial and phone call ended, 47. / need detect flag from CALL_STATE_OFFHOOK48. Log.i(LOG_TAG, IDLE);49. if (isPhoneCalling) 50. Log.i(LOG_TAG, restart app);51. / restart app52. Intent i = getBaseContext().getPackageManager()53. .getLaunchIntentForPackage(54. getBaseContext().getPacka

20、geName();55. i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);56. startActivity(i);57. isPhoneCalling = false;由于PhoneStateListener需要READ_PHONE_STATE权限，需要在AndroidManifest.xml中添加以下代码：1. 添加后AndroidManifest.xml如下：1. 2. 6. 7. 8. 9. 12. 15. 16. 17. 18. 19. 20. 21. 1. 答：MainActivity.javaimport android.app.Activi

21、ty;import android.content.Intent;import .Uri;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;public class MainActivity extends Activity private Button mCallButton;Overridep

22、rotected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mCallButton = (Button) findViewById(R.id.btn_call);mCallButton.setOnClickListener(new OnClickListener() Overridepublic void onClick(View v) / TODO Auto-generated method stub/打给

23、联通客服10010Intent intent = new Intent(Intent.ACTION_CALL,Uri.parse(tel:10010);startActivity(intent);/Override/public boolean onCreateOptionsMenu(Menu menu) / Inflate the menu; this adds items to the action bar if it is present./getMenuInflater().inflate(R.menu.main, menu);/return true;/public void cli

24、ckHandler(View source)/TextView tv = (TextView) findViewById(R.id.show);/tv.setText(你好！现在时间： + new java.util.Date();activity_main.xml: AndroidManifest.xml: 2.答：打开表单模板：%FR_HOME%WebReportWEB-INFreportletsdemoanalyticsmulti_reportall.frm。选中总体概况按钮，在右侧的属性表中添加点击事件。具体的js代码如下：if(window.oldtd != null) window.oldtd.removeAttr(style); var td; if($(e.target).is(button) td=$(e.target).parent().parent(); else td=$(e.target).find(button).parent().parent(); td.css(background-image:url(),background-color:rgb(170, 223, 248); window.oldt