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最近寫數據庫，我就自己寫了個帶密碼的個人通訊錄，感覺sqlite特別好用，和mysql，sqlserver都一樣，真是簡單的關系型數據庫， 注意：開啟數據庫，cursor后一定要記得關閉close（）掉，避免浪費資源。 另外adapter的 notifyDataSetChanged（）這個方法也特別好用，就是數據庫更新的時候，調用一下，baseAdapter中的getview就會重新加載一遍，這樣界面就會更新數據，而不用onCreate（）方法來更新，另外可以把notifyDataSetChanged（）方法寫在onResume（）方法中，這樣在兩個activity跳轉后按back鍵也可以達到刷新界面的效果！

想要源碼的可以留言，有問題可以留言，同時也歡迎指正我的紕漏；

轉載請標明出處 ： http://blog.csdn.net/wdaming1986/article/details/6727032

另: csdn下載連接地址 ： http://download.csdn.net/source/3555843

程序啟動后輸入密碼的界面：第一次啟動程序和點擊修改密碼界面：

點擊確定，進入聯系人列表界面：點擊menu菜單，有兩個菜單鍵：

單擊每一個列表進入修改界面：長按每一個聯系人彈dialog刪除記錄：

下面看代碼：

在com.cn.daming包下的類：

1、Login.java 程序的入口類

package com.cn.daming;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.cn.daming.databases.DBOpenHelper;

public class Login extends Activity {

private DBOpenHelper db;
	private EditText et;
	private Button login_button;
	private String password;
	
	@Override
	protected void onCreate(Bundle bundle) {
		super.onCreate(bundle);
		
		db = new DBOpenHelper(this);
		password = db.getPwd();
		db.close();
		if(password.equals("")){
			Intent intent = new Intent(Login.this,PasswordManage.class);
			startActivity(intent);
			finish();
			return;
		}
		setContentView(R.layout.login);
		
		et = (EditText)findViewById(R.id.login_password);
		login_button = (Button)findViewById(R.id.note_login);
		
		login_button.setOnClickListener(new Button.OnClickListener(){
	
			public void onClick(View v) {
				String input_pwd = et.getText().toString();
				if(password.equals(input_pwd)){
					Toast.makeText(Login.this, R.string.login_success, Toast.LENGTH_LONG).show();
					Intent intent = new Intent(Login.this,MainActivity.class);
					intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
					startActivity(intent);
					finish();
				}else{
					Toast.makeText(Login.this, R.string.error_password, Toast.LENGTH_LONG).show();
					et.setText("");
				}
			}
			
		});
	}
}

2、MainActivity.java類：程序listView列表顯示類

package com.cn.daming;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
import android.widget.Toast;

import com.cn.daming.adapter.ContantsAdapter;
import com.cn.daming.databases.DBOpenHelper;

public class MainActivity extends Activity {

private DBOpenHelper dbOpenHelper;
	private ContantsAdapter contantsAdapter;
	private ListView dbListView;
	private Cursor cursor;
	
	final int MENU_ADD = Menu.FIRST;
	final int MENU_CHANGE = Menu.FIRST+1;
	
	private List<String> ids;
	private List<String> names;
	private List<String> phones;
	AlertDialog dialog;
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        dbOpenHelper = new DBOpenHelper(this);
        dbListView = (ListView)findViewById(R.id.db_listview);
        refreshDBOpenHelper();

dbListView.setOnItemClickListener(new OnItemClickListener(){

public void onItemClick(AdapterView<?> arg0, View arg1, int position,
					long arg3) {
				Intent intent= new Intent();
				intent.putExtra("cmd", 0);	
				String contants_id = ids.get(position);//0代表查詢聯系人，1代表添加聯系人
				intent.putExtra("id", contants_id);
				intent.setClass(MainActivity.this, DetailContantsActivity.class);
				startActivity(intent);
			}
        });
        
        dbListView.setOnItemLongClickListener(new OnItemLongClickListener(){

public boolean onItemLongClick(AdapterView<?> arg0, View arg1,
					final int position, long arg3) {
				dialog = new AlertDialog.Builder(MainActivity.this)
		        .setTitle("提示!!")
		        .setMessage("確定要刪除這條記錄？")
		        .setPositiveButton("確定",
		         new DialogInterface.OnClickListener()
		         {
		             public void onClick(DialogInterface dialog, int whichButton)
		             {
		            	 String contants_id = ids.get(position);
		            	 dbOpenHelper.deleteContants(contants_id);
		            	 dbOpenHelper.close();
		            	 Toast.makeText(MainActivity.this, "正在刪除數據庫，請稍后。。。", Toast.LENGTH_LONG).show();
		            	 refreshDBOpenHelper();
		            	 contantsAdapter.notifyDataSetChanged();
		             }
		             })
		         .setNegativeButton("取消",new DialogInterface.OnClickListener()
		         {
			          public void onClick(DialogInterface dialog, int whichButton)
			          {
			             dialog.dismiss();
			          }
			      }).show();
				return false;
			}
        });
    }
	
	@Override
	protected void onResume() {
		refreshDBOpenHelper();	
		contantsAdapter.notifyDataSetChanged();
		super.onResume();
	}

public void refreshDBOpenHelper(){
        cursor = dbOpenHelper.selectContants();
        ids = new ArrayList<String>();
        names = new ArrayList<String>();
        phones = new ArrayList<String>();
        
        int count = cursor.getCount();
        if(count>0){
	        for(int i=0;i<count;i++){
	        	cursor.moveToPosition(i);
	        	ids.add(cursor.getString(0));
	        	names.add(cursor.getString(1));
	        	phones.add(cursor.getString(2));
	        }
        }else{
            Toast.makeText(this, R.string.not_dbcursor_values, Toast.LENGTH_SHORT).show();
        }
        contantsAdapter = new ContantsAdapter(this,names,phones);
        dbListView.setAdapter(contantsAdapter);
        cursor.close();
        dbOpenHelper.close();
    }
	
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		menu.add(0, MENU_ADD, 0, R.string.menu_add)
			.setIcon(R.drawable.add);	//add - add_button 
		menu.add(0, MENU_CHANGE, 0, R.string.menu_change)
			.setIcon(R.drawable.modify);		//add -add_change_password
		return super.onCreateOptionsMenu(menu);
	}
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch(item.getItemId()){		//
		case MENU_ADD:			//press change add button
			Intent add_intent= new Intent(this,DetailContantsActivity.class);
			add_intent.putExtra("cmd", 1);
			startActivity(add_intent);
			break;
		case MENU_CHANGE:	//press change password button
			Intent change_password_intent = new Intent(MainActivity.this,PasswordManage.class);
			startActivityForResult(change_password_intent,0);
			break;
		}
		return super.onOptionsItemSelected(item);
	}
}

3、PasswordManage.java，密碼設置類：

package com.cn.daming;

import com.cn.daming.databases.DBOpenHelper;

public class PasswordManage extends Activity {
	
	private EditText et1;
	private EditText et2;
	private Button button;
	private DBOpenHelper db;
	private int CHANGE_PWD_SUCCESS = 100;
	
	public void onCreate(Bundle bundle){
		super.onCreate(bundle);
		db = new DBOpenHelper(this);
		setContentView(R.layout.password_manage);
		
		et1 = (EditText)findViewById(R.id.new_password);
		et2 = (EditText)findViewById(R.id.repeat_password);
		button = (Button)findViewById(R.id.save_password);
		
		button.setOnClickListener(new Button.OnClickListener(){

public void onClick(View v) {
				String new_pwd = et1.getText().toString();
				String repeat_pwd = et2.getText().toString();
				if(new_pwd==null||new_pwd.equals("")){
					Toast.makeText(PasswordManage.this, R.string.password_is_null, Toast.LENGTH_LONG).show();
				}else{
					if(new_pwd.equals(repeat_pwd)){
						if(db.getPwd().equals("")){
							db.insertPwd(new_pwd);
							Toast.makeText(PasswordManage.this, R.string.password_set_success, Toast.LENGTH_LONG).show();
							toNoteList();
						}else{
							db.updatePwd(new_pwd);
							Toast.makeText(PasswordManage.this, R.string.password_change_success, Toast.LENGTH_LONG).show();
							PasswordManage.this.setResult(CHANGE_PWD_SUCCESS);
							PasswordManage.this.finish();
						}
					}else{
						Toast.makeText(PasswordManage.this, R.string.password_isnot_equal, Toast.LENGTH_LONG).show();
					}
				}
			}
		});
	}
	
	public void toNoteList(){
		Toast.makeText(PasswordManage.this, R.string.password_set_success, Toast.LENGTH_LONG);
		Intent intent = new Intent(PasswordManage.this,MainActivity.class);
		intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		startActivity(intent);
		finish();
	}

}

4、DetailContantsActivity。java類，每一條記錄，聯系人的類：

package com.cn.daming;

import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.Toast;

import com.cn.daming.databases.DBOpenHelper;

public class DetailContantsActivity extends Activity{

Cursor cursor;
 DBOpenHelper dbOpenHelper;
 int id = -1;     
 int [] textIds ={
  R.id.etName,
  R.id.etPhone,
  R.id.etMobile,
  R.id.etEmail,
  R.id.etPost,
  R.id.etAddr,
  R.id.etComp
 };
 EditText [] textArray;
 ImageButton saveButton; //save Button
 int status = -1; //0表示查看信息，1表示添加聯系人，2表示修改聯系人
 
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.contants_detail);
  textArray = new EditText[textIds.length];
  for(int i=0;i<textIds.length;i++){
   textArray[i] = (EditText)findViewById(textIds[i]);
  }
  initSaveImageButton();
  dbOpenHelper = new DBOpenHelper(this);
  Intent intent = getIntent();
  status = intent.getExtras().getInt("cmd"); 
  switch(status){
  case 0:   
   String contants_id = intent.getExtras().getString("id");  
   cursor = dbOpenHelper.getContants(contants_id);
   int count = cursor.getCount();
   if(count == 0){   
    Toast.makeText(this, "對不起，沒有找到指定的聯系人！", Toast.LENGTH_LONG).show();
   }
   else{     
    cursor.moveToFirst();    
    textArray[0].setText(cursor.getString(1));   //設置姓名框中的內容
    textArray[1].setText(cursor.getString(2));   //設置固話框中的內容
    textArray[2].setText(cursor.getString(3));   //設置手機號碼框中的內容
    textArray[3].setText(cursor.getString(4));   //設置電子郵件框中的內容
    textArray[4].setText(cursor.getString(5));   //設置電子郵件框中的內容
    textArray[5].setText(cursor.getString(6));   //設置電子郵件框中的內容
    textArray[6].setText(cursor.getString(7));   //設置電子郵件框中的內容
   }
   cursor.close();
   dbOpenHelper.close();
   break;
  case 1:     //新建詳細人信息
   for(EditText et:textArray){
    et.getEditableText().clear();  //清空各個EditText控件中內容
   }
   break;
  }
 }
 
 public void initSaveImageButton()
 {
  saveButton = (ImageButton)findViewById(R.id.detailSave);
  saveButton.setOnClickListener(new OnClickListener(){

public void onClick(View arg0) {
    String [] strArray = new String[textArray.length];
    for(int i=0;i<strArray.length;i++){
     strArray[i] = textArray[i].getText().toString().trim(); //獲得用戶輸入的信息數組
    }
    if(strArray[0].equals("") || strArray[1].equals("")){
     Toast.makeText(DetailContantsActivity.this, "對不起，請將姓名和電話填寫完整!", Toast.LENGTH_LONG).show();
    }else{
     switch(status){  //判斷當前的狀態
     case 0:    //查詢聯系人詳細信息時按下保存
      updateContact(strArray);  //更新聯系人信息
      break;
     case 1:    //新建聯系人時按下保存按鈕
      insertContact(strArray);  //插入聯系人信息
      break;
     }   
    }
   }
  });
 }
 
 public void insertContact(String [] strArray){
  long count = dbOpenHelper.insertContants(strArray);  //插入數據
  dbOpenHelper.close();
  if(count == -1){
   Toast.makeText(this, "添加聯系人失敗！", Toast.LENGTH_LONG).show();
  }
  else{
   Toast.makeText(this, "添加聯系人成功！", Toast.LENGTH_LONG).show();
  }
 }
 
 public void updateContact(String [] strArray){
  int count = dbOpenHelper.updateContants(id+"", strArray); //更新數據庫
  dbOpenHelper.close();
  if(count == 1){
   Toast.makeText(this, "修改聯系人成功！", Toast.LENGTH_LONG).show();
  }
  else{
   Toast.makeText(this, "修改聯系人失敗！", Toast.LENGTH_LONG).show();
  }
 }
}

在com.cn.daming.databases包下面的類：
5、DBOpenHelper。java，數據庫的類：

package com.cn.daming.databases;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class DBOpenHelper extends SQLiteOpenHelper{

private final static String DATABASE_NAME = "personal_contacts";
	private final static int DATABASE_VERSION = 1;
	private final static String TABLE_NAME = "contants";
	public static final String ID="_id";       //ID
	public static final String NAME="name";	   //名稱
	public static final String PHONE="phone";  //固定電話
	public static final String MOBILE="mobile";//手機號碼
	public static final String EMAIL="email";  //電子郵件地址
	public static final String POST="post";	   //郵政編碼
	public static final String ADDR="addr";	   //通信地址
	public static final String COMP="comp";	   //公司
	
	public final static String LOGIN_TABLE_NAME = "contantslogin";
	public final static String LOGIN_USER = "admin";
	public final static String LOGIN_PWD = "password";
	
	public DBOpenHelper(Context context) {
		super(context, DATABASE_NAME, null, DATABASE_VERSION);
	}

@Override
	public void onCreate(SQLiteDatabase db) {
		String sql = "create table "+TABLE_NAME+" ("
		+ ID + " integer primary key autoincrement,"
		+ NAME + " varchar,"
		+ PHONE+" varchar,"
		+ MOBILE + " varchar,"
		+ EMAIL + " varchar,"
		+ POST + " varchar,"
		+ ADDR + " varchar,"
		+ COMP + " varchar)";
		db.execSQL(sql);
		
		sql = "create table "+LOGIN_TABLE_NAME+" ("
		+LOGIN_USER+" text, "
		+LOGIN_PWD+" text )";
		db.execSQL(sql);		
	}

@Override
	public void onUpgrade(SQLiteDatabase db, int arg1, int arg2) {
		String sql = "drop table if exists "+TABLE_NAME;
		db.execSQL(sql);

sql = "drop table if exists "+LOGIN_TABLE_NAME;
		db.execSQL(sql);
		onCreate(db);		
	}

public Cursor selectContants(){
		SQLiteDatabase db = this.getReadableDatabase();
		Cursor cursor = db.query(TABLE_NAME, null, null, null, null, null, null);
		return cursor;
	}
	
	public long insertContants(String[] strArray){
		SQLiteDatabase db = this.getWritableDatabase();
		ContentValues cv = new ContentValues();
		cv.put(NAME, strArray[0]);
		cv.put(PHONE, strArray[1]);
		cv.put(MOBILE, strArray[2]);
		cv.put(EMAIL, strArray[3]);	
		cv.put(POST, strArray[4]);
		cv.put(ADDR, strArray[5]);
		cv.put(COMP, strArray[6]);
		return db.insert(TABLE_NAME, null, cv);
	}
	
	public void deleteContants(String id){
		SQLiteDatabase db = this.getWritableDatabase();
		String where = ID+"=?";
		String[] whereValues = {id};
		db.delete(TABLE_NAME, where, whereValues);
	}
	
	public int updateContants(String id,String[] strArray){
		SQLiteDatabase db = this.getWritableDatabase();
		String where = ID+"=?";
		String[] whereValues = {id};
		ContentValues cv = new ContentValues();
		cv.put(NAME, strArray[0]);
		cv.put(PHONE, strArray[1]);
		cv.put(MOBILE, strArray[2]);
		cv.put(EMAIL, strArray[3]);	
		cv.put(POST, strArray[4]);
		cv.put(ADDR, strArray[5]);
		cv.put(COMP, strArray[6]);
		return db.update(TABLE_NAME, cv, where, whereValues);
	}
	
	public Cursor getContants(String id){
		SQLiteDatabase db = this.getReadableDatabase();
		String where = ID+"=?";
		String[] whereValues = {id};
		Cursor cursor = db.query(TABLE_NAME, null, where, whereValues, null, null, null);
		return cursor;
	}
	
	public long insertPwd(String password){
		SQLiteDatabase db = this.getWritableDatabase();
		ContentValues cv = new ContentValues();
		cv.put(LOGIN_USER, LOGIN_USER);
		cv.put(LOGIN_PWD, password);
		return db.insert(LOGIN_TABLE_NAME, null, cv);
	}
	
	public int updatePwd(String password){
		SQLiteDatabase db = this.getWritableDatabase();
		String where = LOGIN_USER+"=?";
		String[] whereValues = {LOGIN_USER};
		ContentValues cv = new ContentValues();
		cv.put(LOGIN_PWD, password);
		return db.update(LOGIN_TABLE_NAME, cv, where, whereValues);
	}

public String getPwd(){
		SQLiteDatabase db = this.getReadableDatabase();
		String where = LOGIN_USER+"=?";
		String[] whereValues = {LOGIN_USER}; 
		Cursor cursor = db.query(LOGIN_TABLE_NAME, null, where, whereValues, null, null, null);
		if(cursor.moveToFirst()){
			return cursor.getString(cursor.getColumnIndex(LOGIN_PWD));
		}else{
			return "";
		}
	}
}

在com.cn.daming.adapter包下的類：

6、ContantsAdapter。java，適配器類：

package com.cn.daming.adapter;

import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import com.cn.daming.R;

public class ContantsAdapter extends BaseAdapter {

private List<String> names;
	private List<String> phones;
	private LayoutInflater inflater;
	private Context context;
	
	public ContantsAdapter(Context context,List<String> names ,List<String> phones){
		inflater = LayoutInflater.from(context);
		this.names = names;
		this.phones = phones;
		this.context = context;
	}
	
	public int getCount() {
		return names.size();
	}

public Object getItem(int position) {
		return names.get(position);
	}

public long getItemId(int position) {
		return position;
	}

public View getView(int position, View view, ViewGroup group) {
		ContantsHolder holder = new ContantsHolder();
		if(view==null){
			view = inflater.inflate(R.layout.contants_list_view, null);
			holder.contansName = (TextView)view.findViewById(R.id.name_textview);
			holder.contantsPhone = (TextView)view.findViewById(R.id.phone_textview);
			view.setTag(holder);
		}else{
			holder = (ContantsHolder)view.getTag();
		}
		holder.contansName.setText(names.get(position));
		holder.contantsPhone.setText(phones.get(position));
		return view;
	}

public class ContantsHolder
	{
		private TextView contansName;
		private TextView contantsPhone;
	}
}

布局文件

1、login。xml布局文件:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:paddingTop="10dip"
  android:orientation="vertical"
  android:background="@drawable/background"
>

</LinearLayout>

2、contants_detail.xml布局文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	xmlns:android="http://schemas.android.com/apk/res/android"
	android:orientation="vertical"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:background="@drawable/background"
	>
	<LinearLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:orientation="horizontal"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:layout_gravity="center_horizontal"
		>							
		<TextView
			android:layout_width="100px"
			android:layout_height="wrap_content"
			android:textSize="18px"
			android:textColor="@color/text"
			android:layout_gravity="left|center_vertical"
			android:text="@string/contantsName"
			/>
		<EditText
			android:id="@+id/etName"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			/>
 		</LinearLayout>
	<LinearLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:orientation="horizontal"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		>							
		<TextView
			android:layout_width="100px"
			android:layout_height="wrap_content"
			android:textSize="18px"
			android:textColor="@color/text"
			android:layout_gravity="center_vertical|left"
			android:text="@string/contantsPhone"
			/>
		<EditText
			android:id="@+id/etPhone"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			android:phoneNumber="true"
			/>
 		</LinearLayout>
	<LinearLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:orientation="horizontal"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		>										
		<TextView
			android:layout_width="100px"
			android:layout_height="wrap_content"
			android:textSize="18px"
			android:textColor="@color/text"
			android:layout_gravity="left|center_vertical"
			android:text="@string/contantsMobile"
			/>
		<EditText
			android:id="@+id/etMobile"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			android:phoneNumber="true"
			/>
 		</LinearLayout>
	<LinearLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:orientation="horizontal"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		>										
		<TextView
			android:layout_width="100px"
			android:layout_height="wrap_content"
			android:textSize="18px"
			android:textColor="@color/text"
			android:layout_gravity="left|center_vertical"
			android:text="@string/contantsEmail"
			/>
		<EditText
			android:id="@+id/etEmail"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			/>
 		</LinearLayout> 
	<LinearLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:orientation="horizontal"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		>										
		<TextView
			android:layout_width="100px"
			android:layout_height="wrap_content"
			android:textSize="18px"
			android:textColor="@color/text"
			android:layout_gravity="left|center_vertical"
			android:text="@string/contantsPost"
			/>
		<EditText
			android:id="@+id/etPost"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			/>
 		</LinearLayout>  
	<LinearLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:orientation="horizontal"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		>										
		<TextView
			android:layout_width="100px"
			android:layout_height="wrap_content"
			android:textSize="18px"
			android:textColor="@color/text"
			android:layout_gravity="left|center_vertical"
			android:text="@string/contantsAddr"
			/>
		<EditText
			android:id="@+id/etAddr"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			/>
 		</LinearLayout>
	<LinearLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:orientation="horizontal"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		>										
		<TextView
			android:layout_width="100px"
			android:layout_height="wrap_content"
			android:textSize="18px"
			android:textColor="@color/text"
			android:layout_gravity="left|center_vertical"
			android:text="@string/contantsComp"
			/>
		<EditText
			android:id="@+id/etComp"
			android:layout_width="fill_parent"
			android:layout_height="wrap_content"
			/>
 		</LinearLayout>
 	<ImageButton
 		android:id="@+id/detailSave"
 		android:layout_width="fill_parent"
 		android:layout_height="wrap_content"
 		android:src="@drawable/save"
 		/>
</LinearLayout>

3、contants_list_view.xml，每一個list的item布局文件

4、main.xml布局文件

5、password_manage.xml布局文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:orientation="vertical" 
  android:background="@drawable/background" 
>
  
<TextView
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:layout_gravity="center"
  android:textStyle="bold"
  android:textSize="26dip"
  android:padding="6dip"
  android:paddingBottom="10dip"
  android:textColor="@drawable/black"
  android:text="@string/password_manage"
/>

</TableLayout>

</LinearLayout>

values下的文件

1、string。xml文件

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello World, MainActivity!</string>
    <string name="app_name">ContantsApp</string>
    
    <string name="please_input_password">請輸入大明通訊錄密碼：</string>
    <string name="ok">確定</string>
    
    <string name="login_success">恭喜，登陸成功！</string>
    <string name="error_password">您輸入的密碼錯誤，請重新輸入！</string>
    
    <string name="password_manage">大明通訊錄密碼管理：</string>
    <string name="new_password">新密碼：</string>
    <string name="repeat_password">再一次：</string>
    
    <string name="password_is_null">輸入密碼為空，請輸入密碼！</string>
    <string name="password_set_success">密碼設置成功！</string>
    <string name="password_change_success">密碼修改成功！</string>
    <string name="password_isnot_equal">兩次輸入的密碼不一致，請重新輸入密碼！</string>
    
    <string name="title">大明通訊錄列表</string>
    <string name="not_dbcursor_values">數據庫中沒有記錄，請點擊菜單新建通訊錄！</string>
    
    <string name="contantsName">姓名：</string>
    <string name="contantsPhone">固定電話：</string>
    <string name="contantsMobile">移動電話：</string>
    <string name="contantsEmail">電子郵件：</string>
    <string name="contantsPost">郵政編碼：</string>
    <string name="contantsAddr">通訊地址：</string>
    <string name="contantsComp">公司地址：</string>
    
    <string name="menu_add">增加</string>
    <string name="menu_change">修改密碼</string>
</resources>

2、color。xml文件

AndroidManifest.xml：

Android 個人通訊錄【安卓進化十四】

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