安卓实验报告

1、如果您需要使用本文档，请点击下载按钮下载! 安卓实验报告班级：xxxxx学号：11111111姓名：xxxx1 / 25如果您需要使用本文档，请点击下载按钮下载!实验一：Activity生命周期的测试一：实验目的掌握使用Eclipse开发Android应用开发程序的方法；掌握Android虚拟设备的创建方法；了解Android的程序结构；了解使用命令行创建Android程序方法；了解Activity生命周期，理解Activity事件回调，onRestoreInstanceState()和 onSaveInstanceState两个函数的使用。二：实验设备 Eclipse 开发Android 应

2、用 Android虚拟设备（ AVD）三：实验内容 （1）正常启动ActivityLife，然后单击用户界面的“结束程序”按钮关闭程序。（2）正常启动ACtivityLife，然后通过“拨号键”启动内置的拨号程序，再通过“回 退建” 退出拨号程序，使ActivityLife重新显示在屏幕中。四：实验核心代码package com.example.activitylife;import android.app.Activity;import android.app.ActionBar;import android.app.Fragment;import android.os.Bundle;imp

3、ort android.util.Log;import android.view.LayoutInflater;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.Button;import android.os.Build;public class MainActivity extends Activit

4、y private static String TAG=LIFECYCLE; Override protected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.fragment_main); Log.i(TAG,(1) onCreate(); 2 / 25如果您需要使用本文档，请点击下载按钮下载! Button button =(Button) findViewById(R.id.btn_finish); button.setOnClic

5、kListener(new OnClickListener() public void onClick(View view) / TODO Auto-generated method stubfinish();); Overrideprotected void onStart() / TODO Auto-generated method stubsuper.onStart(); Log.i(TAG,(2) onStart(); Overrideprotected void onRestoreInstanceState(Bundle savedInstanceState) / TODO Auto

6、-generated method stubsuper.onRestoreInstanceState(savedInstanceState); Log.i(TAG,(3) onRestoreInstanceState(); Overrideprotected void onResume() / TODO Auto-generated method stubsuper.onResume(); Log.i(TAG,(4) onResume(); Overrideprotected void onSaveInstanceState(Bundle outState) / TODO Auto-gener

7、ated method stubsuper.onSaveInstanceState(outState); Log.i(TAG,(5) onSaveInstanceState(); Overrideprotected void onRestart() / TODO Auto-generated method stubsuper.onRestart(); Log.i(TAG,(6) onRestart(); Overrideprotected void onPause() / TODO Auto-generated method stubsuper.onPause();3 / 25如果您需要使用本

8、文档，请点击下载按钮下载! Log.i(TAG,(7) onPause(); Overrideprotected void onStop() / TODO Auto-generated method stubsuper.onStop(); Log.i(TAG,(8) onStop(); Overrideprotected void onDestroy() / TODO Auto-generated method stubsuper.onDestroy(); Log.i(TAG,(9) onDestroy(); 五：运行结果截图：实验二：用户界面自我介绍一：实验目的：了解各种界面控件的使用方法；

9、掌握按键事件和触摸事件的处理方法；掌握radioButton和radioGroup的使用方法。二：实验设备 Eclipse 开发Android 应用 Android虚拟设备（ AVD）三：实验内容要求写一个自我介绍的安卓应用，包括姓名，性别，爱好，其中性别用radioButton选项编写，点击提交时，姓名，性别，爱好会在下面显示出来。5 / 25如果您需要使用本文档，请点击下载按钮下载!四：实验核心代码：public class MainActivity extends Activity private EditText editText1;private EditText editText2

10、;private EditText editText3;private TextView textView1;private TextView textView2;private TextView textView3;private RadioGroup radioGroup;private RadioButton radioButton1;private RadioButton radioButton2;private Button button;protected void onCreate(Bundle savedInstanceState) super.onCreate(savedIn

11、stanceState);setContentView(R.layout.activity_main);editText1 = (EditText) findViewById(R.id.e1);editText2 = (EditText) findViewById(R.id.e2);textView1 = (TextView) findViewById(R.id.t1);textView2 = (TextView) findViewById(R.id.t2);textView3 = (TextView) findViewById(R.id.t3);radioGroup = (RadioGrou

12、p) findViewById(R.id.RadioGroup1);radioButton1 = (RadioButton) findViewById(R.id.RadioButton1);radioButton2 = (RadioButton) findViewById(R.id.RadioButton2);button = (Button) findViewById(R.id.button1);radioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener() public void onCheckedChanged(Ra

13、dioGroup arg0, final int arg1) button.setOnClickListener(new View.OnClickListener() public void onClick(View arg0) String str = editText1.getText().toString().trim();String str1 = editText2.getText().toString().trim();textView1.setText(姓名：+str);textView3.setText(爱好：+str1);if (arg1 = R.id.RadioButton

14、1)textView2.setText(性别：+男);else if (arg1 = R.id.RadioButton2)textView2.setText(性别：+女);););5 / 25如果您需要使用本文档，请点击下载按钮下载!五：运行结果截图：实验三：不同界面的切换一：实验目的掌握各种界面布局的特点和使用方法；掌握选项菜单，子菜单和快捷菜单的使用方法。二;实验设备 Eclipse 开发Android 应用 Android虚拟设备（ AVD）三;实验内容：设计一个Tab标签页，实现LinearLayout，RelativeLayout，AbsoluteLayout三种分页面之间的切换，每

15、个页面的内容包括用户名和确定，取消两个按钮四：实验核心代码： AndroidMainfest.xml: public class MainActivity extends TabActivity protected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); TabHost tabHost=getTabHost(); LayoutInflater.from(this).inflate(R.layout.ta

16、b1, tabHost.getTabContentView(),true); LayoutInflater.from(this).inflate(R.layout.tab2, tabHost.getTabContentView(),true); LayoutInflater.from(this).inflate(R.layout.tab3, tabHost.getTabContentView(),true); tabHost.addTab(tabHost.newTabSpec(TAB1). setIndicator(线性布局).setContent(R.id.layout01);6 / 25如

17、果您需要使用本文档，请点击下载按钮下载! tabHost.addTab(tabHost.newTabSpec(TAB1). setIndicator(绝对布局).setContent(R.id.layout02); tabHost.addTab(tabHost.newTabSpec(TAB1). setIndicator(相对布局).setContent(R.id.layout03); Tab1,javapublic class Tab1 extends Activity public void onCreate(Bundle savedInstanceState) super.onCreat

18、e(savedInstanceState);setContentView(R.layout.tab1);Tab2.javapublic class Tab2 extends Activity public void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.tab2); Tab3.javapublic class Tab3 extends Activity public void onCreate(Bundle savedInstanceStat

19、e) super.onCreate(savedInstanceState); setContentView(R.layout.tab3); 五：运行结果截图：实验四：登陆界面和广播消息一：实验目的 了解使用Intent进行组件通信的原理；7 / 25如果您需要使用本文档，请点击下载按钮下载! 了解Intent过滤器的原理与匹配机制； 掌握发送和接受广播消息的方法。 二：实验设备 Eclipse 开发Android 应用 Android虚拟设备（ AVD）三：实验内容先写一个登陆界面，包括用户名，密码，点击登陆时实现页面的跳转功能，在第二个页面使用Intent发送消息，并调用sendBroadc

20、ast（）函数把Intent携带的消息传送出去，用BroadcastReceiver接受广播消息，在页面下方显示广播内容。四;实验核心代码：public class MainActivity extends Activity private Button button; Override protected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button=(Button) findViewById

21、(R.id.button1); button.setOnClickListener(new View.OnClickListener() public void onClick(View arg0) Intent intent=new Intent(MainActivity.this,Second.class); startActivity(intent);); public class Second extends Activity private Button button2;private EditText editText;protected void onCreate(Bundle

22、savedInstanceState) super.onCreate(savedInstanceState);setContentView(R.layout.second);Intent intent=getIntent(); editText=(EditText) findViewById(R.id.e1); button2=(Button) findViewById(R.id.button2);button2.setOnClickListener(new View.OnClickListener() public void onClick(View arg0) Intent intent=

23、new Intent(com.example.broadcasttest.MY_BROADCAST);intent.putExtra(message, editText.getText().toString();sendBroadcast(intent);8 / 25如果您需要使用本文档，请点击下载按钮下载!);public class MyBroadcastReceiver extends BroadcastReceiverpublic void onReceive(Context context, Intent intent) String msg=intent.getStringExtr

24、a(message);Toast.makeText(context, msg, Toast.LENGTH_SHORT).show(); 五：运行结果截图实验五：Service绑定实现数据运算一：实验目的 了解Service的原理和用途； 掌握本地服务的管理和方法；9 / 25如果您需要使用本文档，请点击下载按钮下载! 掌握服务的隐式启动和显示启动方法； 掌握远程服务的绑定和调用方法。二：实验设备 Eclipse 开发Android 应用 Android虚拟设备（ AVD）三:实验内容以绑定方式使用Service，获取Service实例，当点击绑定服务时可以实现两个数的求差和比较大小功能，并输出

25、结果，当点击取消绑定服务时，则无法运算。四：实验核心代码public class MathService extends Service private final IBinder mBinder=new LocalBinder(); public class LocalBinder extends Binder MathService getService() return MathService.this; public IBinder onBind(Intent intent) Toast.makeText(this, 本地绑定:MathService,Toast.LENGTH_SHOR

26、T).show(); return mBinder; public boolean onUnbind(Intent intent)Toast.makeText(this, 取消本地绑定:MathService, Toast.LENGTH_SHORT).show();return false; public long sub(long a,long b)return a-b; public int compare(long a,long b)if(ab) return 1;else if(a=b) return 0;else return -1;public class MainActivity

27、 extends Activity private MathService mathService; private Button button1;10 / 25如果您需要使用本文档，请点击下载按钮下载! private Button button2; private Button button3; private Button button4; private EditText editText1; private EditText editText2; private EditText editText3; private boolean isBound=false; Override p

28、rotected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); editText1=(EditText) findViewById(R.id.e1); editText2=(EditText) findViewById(R.id.e2); editText3=(EditText) findViewById(R.id.e3); button1=(Button) findViewById(R.id.but1);

29、button2=(Button) findViewById(R.id.but2); button3=(Button) findViewById(R.id.but3); button4=(Button) findViewById(R.id.but4); button1.setOnClickListener(new View.OnClickListener() public void onClick(View v) if(!isBound) final Intent serviceIntent=new Intent (MainActivity.this,MathService.class); bi

30、ndService(serviceIntent, mConnection, Context.BIND_AUTO_CREATE); isBound=true; ); button4.setOnClickListener(new View.OnClickListener() public void onClick(View v) if(isBound) isBound=false; unbindService(mConnection); mathService=null; ); button2.setOnClickListener(new View.OnClickListener() public

31、 void onClick(View v) if(mathService=null)11 / 25如果您需要使用本文档，请点击下载按钮下载!editText3.setText(未绑定服务);return ;String a = editText1.getText().toString();long a1 = Long.parseLong(a);String b = editText2.getText().toString();long b1 = Long.parseLong(b);long result=mathService.sub(a1, b1);String msg=String.val

32、ueOf(a1)+-+String.valueOf(b)+=+String.valueOf(result);editText3.setText(msg);); button3.setOnClickListener(new View.OnClickListener() public void onClick(View v) if(mathService=null)editText3.setText(未绑定服务);return ;String a = editText1.getText().toString();long a1 = Long.parseLong(a);String b = edit

33、Text2.getText().toString();long b1 = Long.parseLong(b);long result=mathSpare(a1, b1);if(result=1)editText3.setText(a+b);else if(result=0)editText3.setText(a+=+b);else editText3.setText(a+b);); private ServiceConnection mConnection=new ServiceConnection() public void onServiceDisconnected(ComponentNa

34、me arg0) mathService=null;public void onServiceConnected(ComponentName name, IBinder service) mathService=(MathService.LocalBinder)service).getService();12 / 25如果您需要使用本文档，请点击下载按钮下载!; 实验六：SQLite实现用户的增删改查一：实验目的 了解SQLite数据库的特点和体系及结构； 掌握SQLite数据库的建立和操作方法； 理解ContentProvide的用途和原理； 掌握ContentProvider的创建和使用方

35、法。二：实验设备 Eclipse 开发Android 应用 Android虚拟设备（ AVD）三:实验内容使用SQlite数据库实现用户（包括：姓名，年龄，身高）的添加数据，全部显示，清除显示，全部删除，ID删除，ID查询，ID更新的功能。四：实验核心代码public class MainActivity extends ActionBarActivity private EditText et_name;private EditText et_sex;private EditText et_department;private EditText et_id;private EditText

36、et_salary;private MyOpenHelper oh;private SQLiteDatabase db;private TextView tv;private LinearLayout ll;Overrideprotected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);oh = new MyOpenHelper(MainActivity.this, test.db, null, 1);db =

37、 oh.getWritableDatabase();et_name = (EditText) findViewById(R.id.et_name);13 / 25如果您需要使用本文档，请点击下载按钮下载!et_sex = (EditText) findViewById(R.id.et_sex);et_department = (EditText) findViewById(R.id.et_department);et_salary = (EditText) findViewById(R.id.et_salary);et_id = (EditText) findViewById(R.id.et_

38、id);ll = (LinearLayout) findViewById(R.id.ll);public void add(View v)db = oh.getWritableDatabase();String name=et_name.getText().toString();String sex=et_sex.getText().toString();String department=et_department.getText().toString();String salary=et_salary.getText().toString();ContentValues values=ne

39、w ContentValues();values.put(name,name );values.put(sex, sex);values.put(department,department);values.put(salary, salary);db.insert(staff, null, values);tv=new TextView(MainActivity.this);tv.setText(添加成功);db.close();public void show(View v)db = oh.getWritableDatabase();Cursor cursor=db.query(staff,

40、 null, null, null, null, null, null, null);while(cursor.moveToNext()String id=cursor.getString(cursor.getColumnIndex(_id);String name=cursor.getString(cursor.getColumnIndex(name);String sex=cursor.getString(cursor.getColumnIndex(sex);String department=cursor.getString(cursor.getColumnIndex(departmen

41、t);String salary=cursor.getString(cursor.getColumnIndex(salary);tv=new TextView(MainActivity.this);tv.setText(ID:+id+ ;+Name:+name+ ;+Sex:+sex+ ;+Department:+department+ ;+Salary+salary);ll.addView(tv);db.close();public void clear(View v)ll.removeAllViews();14 / 25如果您需要使用本文档，请点击下载按钮下载!public void de

42、leteAll(View v)db = oh.getWritableDatabase();db.delete(staff, null, null);tv=new TextView(MainActivity.this);tv.setText(删除成功);db.close();public void deleteById(View v)db = oh.getWritableDatabase();String id=et_id.getText().toString();db.delete(staff, _id=?, new Stringid);db.close();tv=new TextView(M

43、ainActivity.this);tv.setText(ID删除成功);public void findById(View v)db = oh.getWritableDatabase();String id=et_id.getText().toString();Cursor cursor=db.query(staff, null, _id=?, new Stringid, null, null, null, null);while(cursor.moveToNext()id=cursor.getString(cursor.getColumnIndex(_id);String name=cur

44、sor.getString(cursor.getColumnIndex(name);String sex=cursor.getString(cursor.getColumnIndex(sex);String department=cursor.getString(cursor.getColumnIndex(department);String salary=cursor.getString(cursor.getColumnIndex(salary);tv=new TextView(MainActivity.this);tv.setText(id+;+name+;+sex+;+departmen

45、t+;+salary);ll.addView(tv);tv=new TextView(MainActivity.this);tv.setText(ID查询成功);db.close();public void updateById(View v)db = oh.getWritableDatabase();String id=et_id.getText().toString();String name=et_name.getText().toString();String sex=et_sex.getText().toString();String department=et_department

46、.getText().toString();String salary=et_salary.getText().toString();15 / 25如果您需要使用本文档，请点击下载按钮下载!ContentValues values=new ContentValues();values.put(name,name);values.put(sex, sex);values.put(department,department);values.put(salary, salary);db.update(staff, values, _id=?, new Stringid);tv=new TextVie

47、w(MainActivity.this);tv.setText(更新ID成功);db.close();public class MyOpenHelper extends SQLiteOpenHelper public MyOpenHelper(Context context, String name, CursorFactory factory,int version) super(context, name, factory, version);Overridepublic void onCreate(SQLiteDatabase db) db.execSQL(create table st

48、aff(_id integer primary key autoincrement,name text,sex text,department text,salary float);Overridepublic void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) 五：运行结果截图实验七：天气预报16 / 25如果您需要使用本文档，请点击下载按钮下载!一：实验目的 了解位置服务的概念； 了解地图密钥的申请方法； 掌握获取地理信息的方法；二：实验设备 Eclipse 开发Android 应用 Android虚拟设备（

49、AVD）三：实验内容 写一个项目，实现显示天气预报的用户界面，显示已发送SMS短信的用户界面，不同地区天气的转换四：实验核心代码package com.example.weather;import java.io.BufferedReader;import java.io.InputStreamReader;import .HttpURLConnection;import .URL;import .URLEncoder;import java.util.ArrayList;import java.util.List;import net.sf.json.JSONArray;import net.sf.json.JSONObject;imp