第三部分 通訊錄
該例實現了瀏覽聯絡人、新增聯絡人、刪除聯絡人、編輯聯絡人、檢視聯絡人，當找到乙個聯絡人後，可以呼叫或者傳送訊息給該聯絡人。
下例體現了ui設計、資料庫的綜合操作、動態選單的使用以及各種許可權的註冊。
public class contactcolumn implements basecolumns
//列名
public static final string name = "name";//姓名
public static final string mobilenum = "mobilenumber";//移動**
public static final string homenum = "homenumber";//家庭**
public static final string address = "address";//位址
public static final string email = "email";//郵箱
public static final string blog = "blog";//部落格
//列 索引值
public static final int _id_column = 0;
public static final int name_column = 1;
public static final int mobilenum_column = 2;
public static final int homenum_column = 3;
public static final int address_column = 4;
public static final int email_column = 5;
public static final int blog_column = 6;
public static final string projection =;
} public class dbhelper extends sqliteopenhelper
public void oncreate(sqlitedatabase db)
public void onupgrade(sqlitedatabase db, int oldversion, int newversion)
}public class contacteditor extends activityelse if (intent.action_insert.equals(action))
setresult(result_ok, (new intent()).setaction(muri.tostring()));
}else
setcontentview(r.layout.editorcontacts);
nametext = (edittext) findviewbyid(r.id.edittext01);
mobiletext = (edittext) findviewbyid(r.id.edittext02);
hometext = (edittext) findviewbyid(r.id.edittext03);
addresstext = (edittext) findviewbyid(r.id.edittext04);
emailtext = (edittext) findviewbyid(r.id.edittext05);
blogtext = (edittext) findviewbyid(r.id.edittext06);
okbutton = (button)findviewbyid(r.id.button01);
cancelbutton = (button)findviewbyid(r.id.button02);
okbutton.setonclicklistener(new onclicklistener()else
}});
cancelbutton.setonclicklistener(new onclicklistener()else
}});
log.e(tag+":oncreate", muri.tostring());
// 獲得並儲存原始聯絡人資訊
mcursor = managedquery(muri, contactcolumn.projection, null, null, null);
mcursor.movetofirst();
log.e(tag, "end of oncreate()");
}protected void onresume()else if (mstate == state_insert)
string name = mcursor.getstring(contactcolumn.name_column);
string moblie = mcursor.getstring(contactcolumn.mobilenum_column);
string home = mcursor.getstring(contactcolumn.homenum_column);
string address = mcursor.getstring(contactcolumn.address_column);
string email = mcursor.getstring(contactcolumn.email_column);
string blog = mcursor.getstring(contactcolumn.blog_column);
nametext.settext(name);
mobiletext.settext(moblie);
hometext.settext(home);
addresstext.settext(address);
emailtext.settext(email);
blogtext.settext(blog);
}else
} protected void onpause()else}}
public boolean oncreateoptionsmenu(menu menu) else
return true;
}public boolean onoptionsitemselected(menuitem item)
return super.onoptionsitemselected(item);
}private void deletecontact()
}private void cancelcontact()
setresult(result_canceled);
finish();
}private void updatecontact()
setresult(result_canceled);
finish();
}private void backupcontact()
setresult(result_canceled);
finish();}}
public class contactview extends activity
protected void onresume()else
}public boolean oncreateoptionsmenu(menu menu)
public boolean onoptionsitemselected(menuitem item)
return super.onoptionsitemselected(item);
}private void deletecontact()}}
res.layout.eidtorcontacts.xml
<?xml version="1.0" encoding="utf-8"?>
"android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/bg">
res.layout.viewuser.xml
<?xml version="1.0" encoding="utf-8"?>
"android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:stretchcolumns="1"
android:background="@drawable/bg">
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