百度上流傳最廣的版本有所欠缺,并不能直接使用,同時有很多不必要的功能,這是我進行刪減、修改、核查后的版本,根據下面的步驟一步步來直接能夠運行程序。
本程序實現的功能是增刪改查以及全選
首先是程序提綱
主要部分是java文件和xml文件。
activity放在java文件里面,xml文件就是布局文件,用來規定界面的顯示格式。

類定義的Java文件
StudentDao
StudnetDBHelper
Student
TableContanst
其他文件
string .xml
color.xml
styles.xml
AndroidManifest.xml(自定義的活動需要手動添加到此文件中)
下面看看我的文件目錄


值得注意的是,menu.xml不是放在layout目錄下,而是放在menu目錄下。
然后依次介紹各個activity的代碼
主界面是StudentListActivity
代碼如下
java文件:StudentListActivity
package com.example.asus.student;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;
import StudentDBHelper.StudentDBHelper;
import Student.Student;
//import AddStudentActivity;
import TableContanst.TableContanst;
public class StudentListActivity extends ListActivity implements
OnClickListener, OnItemClickListener, OnItemLongClickListener {
private static final String TAG = "TestSQLite";
private Button addStudent;
private Cursor cursor;
private SimpleCursorAdapter adapter;
private ListView listView;
private List<Long> list;
private RelativeLayout relativeLayout;
private Button searchButton;
private Button selectButton;
private Button deleteButton;
private Button selectAllButton;
private Button canleButton;
private LinearLayout layout;
private StudentDao dao;
private Student student;
private Boolean isDeleteList = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.e(TAG, "onCreate");
list = new ArrayList<Long>();
student = new Student();
dao = new StudentDao(new StudentDBHelper(this));
addStudent = (Button) findViewById(R.id.btn_add_student);
searchButton = (Button) findViewById(R.id.bn_search_id);
selectButton = (Button) findViewById(R.id.bn_select);
deleteButton = (Button) findViewById(R.id.bn_delete);
selectAllButton = (Button) findViewById(R.id.bn_selectall);
canleButton = (Button) findViewById(R.id.bn_canel);
layout = (LinearLayout) findViewById(R.id.showLiner);
relativeLayout=(RelativeLayout) findViewById(R.id.RelativeLayout);
listView = getListView();
// 為按鍵設置監聽
addStudent.setOnClickListener(this);
searchButton.setOnClickListener(this);
selectButton.setOnClickListener(this);
deleteButton.setOnClickListener(this);
canleButton.setOnClickListener(this);
selectAllButton.setOnClickListener(this);
listView.setOnItemClickListener(this);
listView.setOnItemLongClickListener(this);
listView.setOnCreateContextMenuListener(this);
}
// 調用load()方法將數據庫中的所有記錄顯示在當前頁面
@Override
protected void onStart() {
super.onStart();
load();
}
public void onClick(View v) {
// 跳轉到添加信息的界面
if (v == addStudent) {
startActivity(new Intent(StudentListActivity.this, AddStudentActivity.class));
} else if (v == searchButton) {
// 跳轉到查詢界面
startActivity(new Intent(this, StudentSearch.class));
} else if (v == selectButton) {
// 跳轉到選擇界面
isDeleteList = !isDeleteList;
if (isDeleteList) {
checkOrClearAllCheckboxs(true);
} else {
showOrHiddenCheckBoxs(false);
}
} else if (v == deleteButton) {
// 刪除數據
if (list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
long id = list.get(i);
Log.e(TAG, "delete id=" + id);
int count = dao.deleteStudentById(id);
}
dao.closeDB();
load();
}
} else if (v == canleButton) {
// 點擊取消,回到初始界面
load();
layout.setVisibility(View.GONE);
isDeleteList = !isDeleteList;
} else if (v == selectAllButton) {
// 全選,如果當前全選按鈕顯示是全選,則在點擊后變為取消全選,如果當前為取消全選,則在點擊后變為全選
selectAllMethods();
}
}
// 創建菜單
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
MenuInflater inflater = new MenuInflater(this); //getMenuInflater();
inflater.inflate(R.menu.menu, menu);
}
// 對菜單中的按鈕添加響應時間
@Override
public boolean onContextItemSelected(MenuItem item) {
int item_id = item.getItemId();
student = (Student) listView.getTag();
Log.v(TAG, "TestSQLite++++student+" + listView.getTag() + "");
final long student_id = student.getId();
Intent intent = new Intent();
Log.v(TAG, "TestSQLite+++++++id"+student_id);
switch (item_id) {
/* 添加
case R.id.add:
startActivity(new Intent(this, AddStudentActivity.class));
break;*/
// 刪除
case R.id.delete:
deleteStudentInformation(student_id);
break;
case R.id.look:
// 查看學生信息
Log.v(TAG, "TestSQLite+++++++look"+student+"");
intent.putExtra("student", student);
intent.setClass(this, ShowStudentActivity.class);
this.startActivity(intent);
break;
case R.id.write:
// 修改學生信息
intent.putExtra("student", student);
intent.setClass(this, AddStudentActivity.class);
this.startActivity(intent);
break;
default:
break;
}
return super.onContextItemSelected(item);
}
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id)
{
Student student = (Student) dao.getStudentFromView(view, id);
listView.setTag(student);
registerForContextMenu(listView);
return false;
}
// 點擊一條記錄是觸發的事件
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
if (!isDeleteList) {
student = dao.getStudentFromView(view, id);
Log.e(TAG, "student*****" + dao.getStudentFromView(view, id));
Intent intent = new Intent();
intent.putExtra("student", student);
intent.setClass(this, ShowStudentActivity.class);
this.startActivity(intent);
} else {
CheckBox box = (CheckBox) view.findViewById(R.id.cb_box);
box.setChecked(!box.isChecked());
list.add(id);
deleteButton.setEnabled(box.isChecked());
}
}
// 自定義一個加載數據庫中的全部記錄到當前頁面的無參方法
public void load() {
StudentDBHelper studentDBHelper = new StudentDBHelper(
StudentListActivity.this);
SQLiteDatabase database = studentDBHelper.getWritableDatabase();
cursor = database.query(TableContanst.STUDENT_TABLE, null, null, null,
null, null, TableContanst.StudentColumns.MODIFY_TIME + " desc");
startManagingCursor(cursor);
adapter = new SimpleCursorAdapter(this, R.layout.student_list_item,
cursor, new String[] { TableContanst.StudentColumns.ID,
TableContanst.StudentColumns.NAME,
TableContanst.StudentColumns.AGE,
TableContanst.StudentColumns.SEX,
TableContanst.StudentColumns.LIKES,
TableContanst.StudentColumns.PHONE_NUMBER,
TableContanst.StudentColumns.TRAIN_DATE }, new int[] {
R.id.tv_stu_id, R.id.tv_stu_name, R.id.tv_stu_age,
R.id.tv_stu_sex, R.id.tv_stu_likes, R.id.tv_stu_phone,
R.id.tv_stu_traindate });
listView.setAdapter(adapter);
}
// 全選或者取消全選
private void checkOrClearAllCheckboxs(boolean b) {
int childCount = listView.getChildCount();
Log.e(TAG, "list child size=" + childCount);
for (int i = 0; i < childCount; i++) {
View view = listView.getChildAt(i);
if (view != null) {
CheckBox box = (CheckBox) view.findViewById(R.id.cb_box);
box.setChecked(!b);
}
}
showOrHiddenCheckBoxs(true);
}
// 顯示或者隱藏自定義菜單
private void showOrHiddenCheckBoxs(boolean b) {
int childCount = listView.getChildCount();
Log.e(TAG, "list child size=" + childCount);
for (int i = 0; i < childCount; i++) {
View view = listView.getChildAt(i);
if (view != null) {
CheckBox box = (CheckBox) view.findViewById(R.id.cb_box);
int visible = b ? View.VISIBLE : View.GONE;
box.setVisibility(visible);
layout.setVisibility(visible);
deleteButton.setEnabled(false);
}
}
}
// 自定義一個利用對話框形式進行數據的刪除
private void deleteStudentInformation(final long delete_id) {
// 利用對話框的形式刪除數據
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("學員信息刪除")
.setMessage("確定刪除所選記錄?")
.setCancelable(false)
.setPositiveButton("確定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
int raws = dao.deleteStudentById(delete_id);
layout.setVisibility(View.GONE);
isDeleteList = !isDeleteList;
load();
if (raws > 0) {
Toast.makeText(StudentListActivity.this, "刪除成功!",
Toast.LENGTH_LONG).show();
} else
Toast.makeText(StudentListActivity.this, "刪除失敗!",
Toast.LENGTH_LONG).show();
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog alert = builder.create();
alert.show();
}
// 點擊全選事件時所觸發的響應
private void selectAllMethods() {
// 全選,如果當前全選按鈕顯示是全選,則在點擊后變為取消全選,如果當前為取消全選,則在點擊后變為全選
if (selectAllButton.getText().toString().equals("全選")) {
int childCount = listView.getChildCount();
for (int i = 0; i < childCount; i++) {
View view = listView.getChildAt(i);
if (view != null) {
CheckBox box = (CheckBox) view.findViewById(R.id.cb_box);
box.setChecked(true);
deleteButton.setEnabled(true);
selectAllButton.setText("取消全選");
}
}
} else if (selectAllButton.getText().toString().equals("取消全選")) {
checkOrClearAllCheckboxs(true);
deleteButton.setEnabled(false);
selectAllButton.setText("全選");
}
}
}
布局文件:main.xml和student_list_item.xml
代碼如下
main.xml
<?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="fill_parent"> <RelativeLayout android:id="@+id/RelativeLayout" android:layout_width="fill_parent" android:layout_height="wrap_content"> <Button android:id="@+id/bn_search_id" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="搜索" android:gravity="center_vertical" /> <Button android:gravity="center" android:text="添加學員信息" android:id="@+id/btn_add_student" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_toRightOf="@+id/bn_search_id" android:layout_toLeftOf="@+id/bn_select" /> <Button android:gravity="center_vertical" android:text="選擇" android:id="@+id/bn_select" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_alignParentRight="true"></Button> </RelativeLayout> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center" android:text=" ID 姓 名 年 齡 性 別 " /> <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> <LinearLayout android:orientation="horizontal" android:id="@+id/showLiner" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="center_horizontal"> <Button android:id="@+id/bn_delete" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:text="刪除" android:enabled="false" /> <Button android:id="@+id/bn_selectall" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:text="全選" /> <Button android:id="@+id/bn_canel" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:text="取消" /> </LinearLayout> </LinearLayout>
student_list_item.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" > <ImageView android:layout_width="fill_parent" android:layout_height="130px" android:layout_gravity="center" android:layout_weight="1" android:background="@drawable/icon" /> <TextView android:id="@+id/tv_stu_id" android:layout_width="fill_parent" android:layout_gravity="center" android:layout_height="wrap_content" android:layout_weight="1"/> <TextView android:id="@+id/tv_stu_name" android:layout_width="fill_parent" android:layout_gravity="center" android:layout_height="wrap_content" android:layout_weight="1"/> <TextView android:id="@+id/tv_stu_age" android:layout_width="fill_parent" android:layout_gravity="center" android:layout_height="wrap_content" android:layout_weight="1"/> <TextView android:id="@+id/tv_stu_sex" android:layout_width="fill_parent" android:layout_gravity="center" android:layout_height="wrap_content" android:layout_weight="1"/> <TextView android:id="@+id/tv_stu_likes" android:layout_width="fill_parent" android:layout_gravity="center" android:layout_height="wrap_content" android:layout_weight="1" android:visibility="gone"/> <TextView android:id="@+id/tv_stu_phone" android:layout_width="fill_parent" android:layout_gravity="center" android:layout_height="wrap_content" android:layout_weight="1" android:visibility="gone"/> <TextView android:id="@+id/tv_stu_traindate" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_weight="1" android:visibility="gone"/> <TextView android:id="@+id/tv_stu_modifyDateTime" android:layout_width="fill_parent" android:layout_gravity="center" android:layout_height="wrap_content" android:layout_weight="1" android:visibility="gone"/> <CheckBox android:id="@+id/cb_box" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:visibility="gone" android:checked="false" android:focusable="false"/> </LinearLayout>
展示單條記錄詳細信息的ShowStudentActivity
代碼如下
java文件:ShowStudentActivity
package com.example.asus.student;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import Student.Student;
import TableContanst.TableContanst;
public class ShowStudentActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.student_info);
Intent intent = getIntent();
Student student = (Student) intent.getSerializableExtra(TableContanst.STUDENT_TABLE);
((TextView)findViewById(R.id.tv_info_id)).setText(student.getId()+"");
((TextView)findViewById(R.id.tv_info_name)).setText(student.getName());
((TextView)findViewById(R.id.tv_info_age)).setText(student.getAge()+"");
((TextView)findViewById(R.id.tv_info_sex)).setText(student.getSex());
((TextView)findViewById(R.id.tv_info_likes)).setText(student.getLike());
((TextView)findViewById(R.id.tv_info_train_date)).setText(student.getTrainDate());
((TextView)findViewById(R.id.tv_info_phone)).setText(student.getPhoneNumber());
}
public void goBack(View view) {
finish();
}
}
布局文件:student_info.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="5dip" > <TextView android:id="@+id/id2_text_id" android:layout_width="80dip" android:layout_height="40dip" android:layout_marginRight="5dip" android:layout_marginTop="5dip" android:layout_marginBottom="5dip" android:textSize="16sp" android:gravity="left|center_vertical" android:text="學員ID:" /> <TextView android:id="@+id/tv_info_id" android:layout_width="fill_parent" android:layout_height="40dip" android:layout_toRightOf="@id/id2_text_id" android:layout_alignParentRight="true" android:layout_alignTop="@id/id2_text_id" android:gravity="left|center_vertical"/> <TextView android:id="@+id/name2_text_id" android:layout_width="80dip" android:layout_height="40dip" android:layout_marginRight="5dip" android:layout_marginTop="5dip" android:layout_marginBottom="5dip" android:layout_below="@id/id2_text_id" android:layout_alignLeft="@id/id2_text_id" android:textSize="16sp" android:gravity="left|center_vertical" android:text="姓名:" /> <TextView android:id="@+id/tv_info_name" android:layout_width="fill_parent" android:layout_height="40dip" android:layout_toRightOf="@id/name2_text_id" android:layout_alignParentRight="true" android:layout_alignTop="@id/name2_text_id" android:gravity="left|center_vertical" /> <TextView android:id="@+id/age2_text_id" android:layout_width="80dip" android:layout_height="40dip" android:gravity="left|center_vertical" android:layout_marginRight="5dip" android:layout_below="@id/name2_text_id" android:layout_marginBottom="5dip" android:textSize="16sp" android:text="年齡:" /> <TextView android:id="@+id/tv_info_age" android:layout_width="fill_parent" android:layout_height="40dip" android:layout_toRightOf="@id/age2_text_id" android:layout_alignParentRight="true" android:layout_alignTop="@id/age2_text_id" android:gravity="left|center_vertical" /> <TextView android:id="@+id/sex2_text_id" android:layout_width="80dip" android:layout_height="40dip" android:gravity="left|center_vertical" android:layout_below="@id/age2_text_id" android:layout_alignLeft="@id/age2_text_id" android:layout_marginRight="5dip" android:layout_marginBottom="5dip" android:text="性別:" android:textSize="16sp" /> <TextView android:id="@+id/tv_info_sex" android:layout_width="fill_parent" android:layout_height="40dip" android:layout_toRightOf="@id/sex2_text_id" android:layout_alignParentRight="true" android:layout_alignTop="@id/sex2_text_id" android:gravity="left|center_vertical" /> <TextView android:id="@+id/like2_text_id" android:layout_width="80dip" android:layout_height="40dip" android:gravity="left|center_vertical" android:layout_below="@id/sex2_text_id" android:layout_alignLeft="@id/sex2_text_id" android:layout_marginRight="5dip" android:layout_marginBottom="5dip" android:text="愛好:" android:textSize="16sp" /> <TextView android:layout_height="40dip" android:id="@+id/tv_info_likes" android:layout_width="wrap_content" android:layout_toRightOf="@id/like2_text_id" android:layout_below="@id/sex2_text_id" android:layout_marginRight="52dip" android:gravity="left|center_vertical"/> <TextView android:id="@+id/contact2_text_id" android:layout_width="80dip" android:layout_height="40dip" android:gravity="center_vertical|left" android:layout_marginRight="5dip" android:layout_below="@id/like2_text_id" android:layout_marginBottom="5dip" android:textSize="16sp" android:text="聯系電話:" /> <TextView android:id="@+id/tv_info_phone" android:layout_width="fill_parent" android:layout_height="40dip" android:layout_toRightOf="@id/contact2_text_id" android:layout_alignParentRight="true" android:layout_alignTop="@id/contact2_text_id" android:gravity="center_vertical|left" /> <TextView android:id="@+id/train2_time_text_id" android:layout_width="80dip" android:layout_height="40dip" android:gravity="center_vertical|left" android:layout_marginRight="5dip" android:layout_below="@id/contact2_text_id" android:layout_marginBottom="5dip" android:textSize="16sp" android:text="入學日期" /> <TextView android:id="@+id/tv_info_train_date" android:layout_width="fill_parent" android:layout_height="40dip" android:layout_toRightOf="@id/train2_time_text_id" android:layout_alignParentRight="true" android:layout_alignTop="@id/train2_time_text_id" android:gravity="center_vertical|left" /> <Button android:id="@+id/back_to_list_id" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="返回列表界面" android:layout_below="@id/train2_time_text_id" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:onClick="goBack"> </Button> </RelativeLayout>
添加記錄的活動AddStudentActivity
代碼如下
java文件:AddStudenActivity
package com.example.asus.student;
import java.io.Serializable;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashSet;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.ContentValues;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
import StudentDBHelper.StudentDBHelper;
import Student.Student;
import TableContanst.TableContanst;
public class AddStudentActivity extends Activity implements OnClickListener {
private static final String TAG = "AddStudentActivity";
private final static int DATE_DIALOG = 1;
private static final int DATE_PICKER_ID = 1;
private TextView idText;
private EditText nameText;
private EditText ageText;
private EditText phoneText;
private EditText dataText;
private RadioGroup group;
private RadioButton button1;
private RadioButton button2;
private CheckBox box1;
private CheckBox box2;
private CheckBox box3;
private Button restoreButton;
private String sex;
private Button resetButton;
private Long student_id;
private StudentDao dao;
private boolean isAdd = true;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.add_student);
idText = (TextView) findViewById(R.id.tv_stu_id);
nameText = (EditText) findViewById(R.id.et_name);
ageText = (EditText) findViewById(R.id.et_age);
button1 = (RadioButton) findViewById(R.id.rb_sex_female);
button2 = (RadioButton) findViewById(R.id.rb_sex_male);
phoneText = (EditText) findViewById(R.id.et_phone);
dataText = (EditText) findViewById(R.id.et_traindate);
group = (RadioGroup) findViewById(R.id.rg_sex);
box1 = (CheckBox) findViewById(R.id.box1);
box2 = (CheckBox) findViewById(R.id.box2);
box3 = (CheckBox) findViewById(R.id.box3);
restoreButton = (Button) findViewById(R.id.btn_save);
resetButton = (Button) findViewById(R.id.btn_clear);
dao = new StudentDao(new StudentDBHelper(this)); // 設置監聽 78
restoreButton.setOnClickListener(this);
resetButton.setOnClickListener(this);
dataText.setOnClickListener(this);
checkIsAddStudent();
}
// 檢查此時Activity是否用于添加學員信息
private void checkIsAddStudent() {
Intent intent = getIntent();
Serializable serial = intent.getSerializableExtra(TableContanst.STUDENT_TABLE);
if (serial == null) {
isAdd = true;
dataText.setText(getCurrentDate());
} else {
isAdd = false;
Student s = (Student) serial;
showEditUI(s);
}
}
//顯示學員信息更新的UI104
private void showEditUI(Student student) {
// 先將Student攜帶的數據還原到student的每一個屬性中去
student_id = student.getId();
String name = student.getName();
int age = student.getAge();
String phone = student.getPhoneNumber();
String data = student.getTrainDate();
String like = student.getLike();
String sex = student.getSex();
if (sex.toString().equals("男")) {
button2.setChecked(true);
} else if (sex.toString().equals("女")) {
button1.setChecked(true);
}
if (like != null && !"".equals(like)) {
if (box1.getText().toString().indexOf(like) >= 0) {
box1.setChecked(true);
}
if (box2.getText().toString().indexOf(like) >= 0) {
box2.setChecked(true);
}
if (box3.getText().toString().indexOf(like) >= 0) {
box3.setChecked(true);
}
}
// 還原數據
idText.setText(student_id + "");
nameText.setText(name + "");
ageText.setText(age + "");
phoneText.setText(phone + "");
dataText.setText(data + "");
setTitle("學員信息更新");
restoreButton.setText("更新");
}
public void onClick(View v) {
// 收集數據
if (v == restoreButton) {
if (!checkUIInput()) {// 界面輸入驗證
return;
}
Student student = getStudentFromUI();
if (isAdd) {
long id = dao.addStudent(student);
dao.closeDB();
if (id > 0) {
Toast.makeText(this, "保存成功, ID=" + id,Toast.LENGTH_SHORT).show();
finish();
} else {
Toast.makeText(this, "保存失敗,請重新輸入!", Toast.LENGTH_SHORT).show();
}
} else if (!isAdd) {
long id = dao.addStudent(student);
dao.closeDB();
if (id > 0) {
Toast.makeText(this, "更新成功",Toast.LENGTH_SHORT).show();
finish();
} else {
Toast.makeText(this, "更新失敗,請重新輸入!",Toast.LENGTH_SHORT).show();
}
}
} else if (v == resetButton) {
clearUIData();
} else if (v == dataText) {
showDialog(DATE_PICKER_ID);
}
}
// 清空界面的數據176
private void clearUIData() {
nameText.setText("");
ageText.setText("");
phoneText.setText("");
dataText.setText("");
box1.setChecked(false);
box2.setChecked(false);
group.clearCheck();
}
// 收集界面輸入的數據,并將封裝成Student對象
private Student getStudentFromUI() {
String name = nameText.getText().toString();
int age = Integer.parseInt(ageText.getText().toString());
String sex = ((RadioButton) findViewById(group
.getCheckedRadioButtonId())).getText().toString();
String likes = "";
if (box1.isChecked()) { // basketball, football football
likes += box1.getText();
}
if (box2.isChecked()) {
if (likes.equals("")) {
likes += box2.getText();
} else {
likes += "," + box2.getText();
}
if (likes.equals("")) {
likes += box3.getText();
} else {
likes += "," + box3.getText();
}
}
String trainDate = dataText.getText().toString();
String phoneNumber = phoneText.getText().toString();
String modifyDateTime = getCurrentDateTime();
Student s=new Student(name, age, sex, likes, phoneNumber, trainDate,
modifyDateTime);
if (!isAdd) {
s.setId(Integer.parseInt(idText.getText().toString()));
dao.deleteStudentById(student_id);
}
return s;
}
// * 得到當前的日期時間
private String getCurrentDateTime() {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
return format.format(new Date());
}
// * 得到當前的日期
private String getCurrentDate() {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
return format.format(new Date());
}
//驗證用戶是否按要求輸入了數據
private boolean checkUIInput() { // name, age, sex
String name = nameText.getText().toString();
String age = ageText.getText().toString();
int id = group.getCheckedRadioButtonId();
String message = null;
View invadView = null;
if (name.trim().length() == 0) {
message = "請輸入姓名!";
invadView = nameText;
} else if (age.trim().length() == 0) {
message = "請輸入年齡!";
invadView = ageText;
} else if (id == -1) {
message = "請選擇性別!";
}
if (message != null) {
Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
if (invadView != null)
invadView.requestFocus();
return false;
} return true; }
//時間的監聽與事件
private DatePickerDialog.OnDateSetListener onDateSetListener = new DatePickerDialog.OnDateSetListener()
{
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
dataText.setText(year + "-" + (monthOfYear + 1) + "-" + dayOfMonth);
}
};
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_PICKER_ID:
return new DatePickerDialog(this, onDateSetListener, 2011, 8, 14);
}
return null;
}
}
布局文件:add_student.xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:fillViewport="true"
android:scrollbarStyle="outsideInset" >
<RelativeLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="5dip" >
<TextView android:id="@+id/tv_stu_text_id"
android:layout_width="80dip"
android:layout_height="40dip"
android:gravity="center_vertical|right"
android:layout_marginRight="5dip"
android:layout_marginTop="5dip"
android:layout_marginBottom="5dip"
android:textSize="16sp"
android:text="學員ID:" />
<TextView android:id="@+id/tv_stu_id"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:text="未分配ID"
android:layout_toRightOf="@id/tv_stu_text_id"
android:layout_alignParentRight="true"
android:layout_alignTop="@id/tv_stu_text_id"
android:gravity="center"
android:background="#ffffff"
android:textColor="#000000"
android:textSize="16sp" />
<TextView android:id="@+id/tv_name_text"
android:layout_width="80dip"
android:layout_height="40dip"
android:gravity="center_vertical|right"
android:layout_marginRight="5dip"
android:layout_below="@id/tv_stu_text_id"
android:layout_alignLeft="@id/tv_stu_text_id"
android:layout_marginBottom="5dip"
android:textSize="16sp"
android:text="姓名:" />
<EditText android:id="@+id/et_name"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:layout_toRightOf="@id/tv_name_text"
android:layout_alignParentRight="true"
android:layout_alignTop="@id/tv_name_text"
android:hint="請輸入姓名,如liukenken"
android:inputType="textPersonName"
android:paddingLeft="20dip"/>
<TextView android:id="@+id/tv_age_text"
android:layout_width="80dip"
android:layout_height="40dip"
android:gravity="center_vertical|right"
android:layout_marginRight="5dip"
android:layout_below="@id/tv_name_text"
android:layout_marginBottom="5dip"
android:textSize="16sp"
android:text="年齡:" />
<EditText android:id="@+id/et_age"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:layout_toRightOf="@id/tv_age_text"
android:layout_alignParentRight="true"
android:layout_alignTop="@id/tv_age_text"
android:hint="請輸入年齡"
android:paddingLeft="20dip"
android:maxLength="3"
android:inputType="number" />
<TextView android:id="@+id/tv_sex_text"
android:layout_width="80dip"
android:layout_height="40dip"
android:gravity="center_vertical|right"
android:layout_below="@id/tv_age_text"
android:layout_alignLeft="@id/tv_age_text"
android:layout_marginRight="5dip"
android:layout_marginBottom="5dip"
android:text="性別:"
android:textSize="16sp" />
<RadioGroup
android:id="@+id/rg_sex"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:orientation="horizontal"
android:layout_toRightOf="@id/tv_sex_text"
android:layout_alignParentRight="true"
android:layout_alignTop="@id/tv_sex_text" >
<RadioButton
android:id="@+id/rb_sex_male"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="男"
android:textSize="16sp" />
<RadioButton android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="女"
android:id="@+id/rb_sex_female"
android:layout_weight="1"
android:textSize="16sp">
</RadioButton>
</RadioGroup>
<TextView android:id="@+id/tv_likes_text"
android:layout_width="80dip"
android:layout_height="40dip"
android:gravity="center_vertical|right"
android:layout_below="@id/rg_sex"
android:layout_alignLeft="@id/tv_sex_text"
android:layout_marginRight="5dip"
android:layout_marginBottom="5dip"
android:text="愛好:"
android:textSize="16sp" />
<CheckBox android:id="@+id/box1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/tv_likes_text"
android:layout_below="@+id/rg_sex"
android:text="@string/box1" ></CheckBox>
<CheckBox android:id="@+id/box2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@+id/box1"
android:layout_below="@+id/rg_sex"
android:text="@string/box2">
</CheckBox>
<CheckBox android:id="@+id/box3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@+id/box2"
android:layout_below="@+id/rg_sex"
android:text="@string/box3" >
</CheckBox>
<TextView android:id="@+id/tv_phone_text"
android:layout_width="80dip"
android:layout_height="40dip"
android:gravity="center_vertical|right"
android:layout_marginRight="5dip"
android:layout_below="@id/tv_likes_text"
android:layout_marginBottom="5dip"
android:textSize="16sp"
android:text="聯系電話:" />
<EditText android:id="@+id/et_phone"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:layout_toRightOf="@id/tv_phone_text"
android:layout_alignParentRight="true"
android:layout_alignTop="@id/tv_phone_text"
android:hint="請輸入手機號"
android:paddingLeft="20dip"
android:inputType="phone"
android:maxLength="11" />
<TextView android:id="@+id/tv_traindate_text"
android:layout_width="80dip"
android:layout_height="40dip"
android:gravity="center_vertical|right"
android:layout_marginRight="5dip"
android:layout_below="@id/tv_phone_text"
android:layout_marginBottom="5dip"
android:textSize="16sp"
android:text="入學日期" />
<EditText android:id="@+id/et_traindate"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:layout_toRightOf="@id/tv_traindate_text"
android:layout_alignParentRight="true"
android:layout_alignTop="@id/tv_traindate_text"
android:hint="點擊選擇日期"
android:inputType="date"
android:paddingLeft="20dip"
android:focusable="false" />
<Button android:id="@+id/btn_save"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="保存"
android:layout_below="@id/tv_traindate_text"
android:layout_alignRight="@id/rg_sex">
</Button>
<Button android:id="@+id/btn_clear"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="重置"
android:layout_below="@id/tv_traindate_text"
android:layout_toLeftOf="@id/btn_save"
android:layout_marginRight="10dip">
</Button>
</RelativeLayout> </ScrollView>
查找記錄的活動StudentSearch。
代碼如下
java文件:StudentSearch
package com.example.asus.student;
import StudentDBHelper.StudentDBHelper;
import TableContanst.TableContanst;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;
public class StudentSearch extends Activity implements OnClickListener {
private EditText nameText;
private Button button;
private Button reButton;
private Cursor cursor;
private SimpleCursorAdapter adapter;
private ListView listView;
private StudentDao dao;
private Button returnButton;
private LinearLayout layout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.search);
nameText = (EditText) findViewById(R.id.et_srarch);
layout=(LinearLayout) findViewById(R.id.linersearch);
button = (Button) findViewById(R.id.bn_sure_search);
reButton = (Button) findViewById(R.id.bn_return);
listView = (ListView) findViewById(R.id.searchListView);
returnButton = (Button) findViewById(R.id.return_id);
dao = new StudentDao(new StudentDBHelper(this));
reButton.setOnClickListener(this);
returnButton.setOnClickListener(this);
button.setOnClickListener(this);
}
@Override
public void onClick(View v) {
if (v == button) {
reButton.setVisibility(View.GONE);
button.setVisibility(View.GONE);
nameText.setVisibility(View.GONE);
layout.setVisibility(View.VISIBLE);
String name = nameText.getText().toString();
cursor = dao.findStudent(name);
if (!cursor.moveToFirst()) {
Toast.makeText(this, "沒有所查學員信息!", Toast.LENGTH_SHORT).show();
} else
//如果有所查詢的信息,則將查詢結果顯示出來
adapter = new SimpleCursorAdapter(this, R.layout.find_student_list_item,
cursor, new String[] { TableContanst.StudentColumns.ID,
TableContanst.StudentColumns.NAME,
TableContanst.StudentColumns.AGE,
TableContanst.StudentColumns.SEX,
TableContanst.StudentColumns.LIKES,
TableContanst.StudentColumns.PHONE_NUMBER,
TableContanst.StudentColumns.TRAIN_DATE },
new int[] {
R.id.tv_stu_id,
R.id.tv_stu_name,
R.id.tv_stu_age,
R.id.tv_stu_sex,
R.id.tv_stu_likes,
R.id.tv_stu_phone,
R.id.tv_stu_traindate });
listView.setAdapter(adapter);
}else if(v==reButton|v==returnButton){
finish();
}
}
}
布局文件:search.xml和find_studetn_list_item.xml
代碼如下
search.xml
<?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="fill_parent" > <EditText android:id="@+id/et_srarch" android:layout_width="fill_parent" android:layout_height="wrap_content" android:hint="請輸入學員姓名" android:inputType="textPersonName" /> <Button android:id="@+id/bn_sure_search" android:gravity="center" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="確定" /> <Button android:id="@+id/bn_return" android:gravity="center" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="返回" /> <LinearLayout android:id="@+id/linersearch" android:orientation="vertical" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="wrap_content"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center" android:text="ID 姓 名 年 齡 性 別 愛 好 電 話 日 期" /> <ListView android:id="@+id/searchListView" android:layout_weight="1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="right"/> <Button android:id="@+id/return_id" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="返回" /> </LinearLayout> </LinearLayout>
find_student_list_item.xml
<?xml version="1.0" encoding="utf-8"?> <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_weight="1" > <TextView android:id="@+id/tv_stu_id" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/tv_stu_name" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/tv_stu_age" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/tv_stu_sex" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/tv_stu_likes" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/tv_stu_phone" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/tv_stu_traindate" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" /> </LinearLayout>
主界面中跳出的上下文菜單ContextMenu的布局文件menu.xml
menu.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android" android:layout_height="40dip" android:layout_width="80dip"> <group android:checkableBehavior="single"> <item android:id="@+id/delete" android:title="刪除學員信息" /> <item android:id="@+id/look" android:title="詳細信息" /> <item android:id="@+id/write" android:title="修改學員信息" /> </group> </menu>
然后是一些自定義類的java文件
StudentDao類
java文件:StudentDao
package com.example.asus.student;
import StudentDBHelper.StudentDBHelper;
import TableContanst.TableContanst;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.view.View;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import Student.Student;
public class StudentDao {
private StudentDBHelper dbHelper;
private Cursor cursor;
public StudentDao(StudentDBHelper dbHelper) {
this.dbHelper = dbHelper;
}
// 添加一個Student對象數據到數據庫表
public long addStudent(Student s) {
ContentValues values = new ContentValues();
values.put(TableContanst.StudentColumns.NAME, s.getName());
values.put(TableContanst.StudentColumns.AGE, s.getAge());
values.put(TableContanst.StudentColumns.SEX, s.getSex());
values.put(TableContanst.StudentColumns.LIKES, s.getLike());
values.put(TableContanst.StudentColumns.PHONE_NUMBER, s.getPhoneNumber());
values.put(TableContanst.StudentColumns.TRAIN_DATE, s.getTrainDate());
values.put(TableContanst.StudentColumns.MODIFY_TIME, s.getModifyDateTime());
return dbHelper.getWritableDatabase().insert(TableContanst.STUDENT_TABLE, null, values);
}
// 刪除一個id所對應的數據庫表student的記錄
public int deleteStudentById(long id) {
return dbHelper.getWritableDatabase().delete(TableContanst.STUDENT_TABLE,
TableContanst.StudentColumns.ID + "=?", new String[] { id + "" });
}
// 更新一個id所對應數據庫表student的記錄
public int updateStudent(Student s) {
ContentValues values = new ContentValues();
values.put(TableContanst.StudentColumns.NAME, s.getName());
values.put(TableContanst.StudentColumns.AGE, s.getAge());
values.put(TableContanst.StudentColumns.SEX, s.getSex());
values.put(TableContanst.StudentColumns.LIKES, s.getLike());
values.put(TableContanst.StudentColumns.PHONE_NUMBER, s.getPhoneNumber());
values.put(TableContanst.StudentColumns.TRAIN_DATE, s.getTrainDate());
values.put(TableContanst.StudentColumns.MODIFY_TIME, s.getModifyDateTime());
return dbHelper.getWritableDatabase().update(TableContanst.STUDENT_TABLE, values,
TableContanst.StudentColumns.ID + "=?", new String[] { s.getId() + "" });
}
// 查詢所有的記錄
public List<Map<String,Object>> getAllStudents() {
//modify_time desc
List<Map<String, Object>> data = new ArrayList<Map<String,Object>>();
Cursor cursor = dbHelper.getWritableDatabase().query(TableContanst.STUDENT_TABLE, null, null, null,
null, null, TableContanst.StudentColumns.MODIFY_TIME+" desc");
while(cursor.moveToNext()) {
Map<String, Object> map = new HashMap<String, Object>(8);
long id = cursor.getInt(cursor.getColumnIndex(TableContanst.StudentColumns.ID));
map.put(TableContanst.StudentColumns.ID, id);
String name = cursor.getString(cursor.getColumnIndex(TableContanst.StudentColumns.NAME));
map.put(TableContanst.StudentColumns.NAME, name);
int age = cursor.getInt(cursor.getColumnIndex(TableContanst.StudentColumns.AGE));
map.put(TableContanst.StudentColumns.AGE, age);
String sex = cursor.getString(cursor.getColumnIndex(TableContanst.StudentColumns.SEX));
map.put(TableContanst.StudentColumns.SEX, sex);
String likes = cursor.getString(cursor.getColumnIndex(TableContanst.StudentColumns.LIKES));
map.put(TableContanst.StudentColumns.LIKES, likes);
String phone_number = cursor.getString(cursor.getColumnIndex(TableContanst.StudentColumns.PHONE_NUMBER));
map.put(TableContanst.StudentColumns.PHONE_NUMBER, phone_number);
String train_date = cursor.getString(cursor.getColumnIndex(TableContanst.StudentColumns.TRAIN_DATE));
map.put(TableContanst.StudentColumns.TRAIN_DATE, train_date);
String modify_time = cursor.getString(cursor.getColumnIndex(TableContanst.StudentColumns.MODIFY_TIME));
map.put(TableContanst.StudentColumns.MODIFY_TIME, modify_time);
data.add(map);
}
return data;
}
//模糊查詢一條記錄
public Cursor findStudent(String name){
Cursor cursor = dbHelper.getWritableDatabase().query(TableContanst.STUDENT_TABLE, null, "name like ?",
new String[] { "%" + name + "%" }, null, null, null,null);
return cursor; }
//按姓名進行排序
public Cursor sortByName(){
Cursor cursor = dbHelper.getWritableDatabase().query(TableContanst.STUDENT_TABLE, null,null,
null, null, null,TableContanst.StudentColumns.NAME);
return cursor; }
//按入學日期進行排序
public Cursor sortByTrainDate(){
Cursor cursor = dbHelper.getWritableDatabase().query(TableContanst.STUDENT_TABLE, null,null,
null, null, null,TableContanst.StudentColumns.TRAIN_DATE);
return cursor;
}
//按學號進行排序
public Cursor sortByID(){
Cursor cursor = dbHelper.getWritableDatabase().query(TableContanst.STUDENT_TABLE, null,null,
null, null, null,TableContanst.StudentColumns.ID);
return cursor; }
public void closeDB() {
dbHelper.close(); } //自定義的方法通過View和Id得到一個student對象
public Student getStudentFromView(View view, long id) {
TextView nameView = (TextView) view.findViewById(R.id.tv_stu_name);
TextView ageView = (TextView) view.findViewById(R.id.tv_stu_age);
TextView sexView = (TextView) view.findViewById(R.id.tv_stu_sex);
TextView likeView = (TextView) view.findViewById(R.id.tv_stu_likes);
TextView phoneView = (TextView) view.findViewById(R.id.tv_stu_phone);
TextView dataView = (TextView) view.findViewById(R.id.tv_stu_traindate);
String name = nameView.getText().toString();
int age = Integer.parseInt(ageView.getText().toString());
String sex = sexView.getText().toString();
String like = likeView.getText().toString();
String phone = phoneView.getText().toString();
String data = dataView.getText().toString();
Student student = new Student(id, name, age, sex, like, phone, data,null);
return
student;
}
}
StudentDBHelper類
java文件:StudentDBHelper
package StudentDBHelper;
import TableContanst.TableContanst;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
public class StudentDBHelper extends SQLiteOpenHelper {
private static final String TAG = "StudentDBHelper";
public static final String DB_NAME = "student_manager.db";
public static final int VERSION = 1; //構造方法
public StudentDBHelper(Context context, String name, CursorFactory factory, int version)
{
super(context, name, factory, version);
}
public StudentDBHelper(Context context) {
this(context, DB_NAME, null, VERSION); }
//創建數據庫
@Override
public void onCreate(SQLiteDatabase db) {
Log.v(TAG, "onCreate");
db.execSQL("create table "
+ TableContanst.STUDENT_TABLE + "(_id Integer primary key AUTOINCREMENT,"
+ "name char,age integer, sex char, likes char, phone_number char,train_date date, "
+ "modify_time DATETIME)"); }
//更新數據庫
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.v(TAG, "onUpgrade");
}
}
Student類
java文件:Student
package Student;
import java.io.Serializable;
import android.view.View;
import android.widget.TextView;
public class Student implements Serializable{
private long id;
private String name;
private int age;
private String sex;
private String like;
private String phoneNumber;
private String trainDate;
private String modifyDateTime;
public Student() {
super();
}
public Student(long id, String name, int age, String sex, String like, String phoneNumber,
String trainDate, String modifyDateTime) {
super();
this.id = id;
this.name = name;
this.age = age;
this.sex = sex;
this.like = like;
this.phoneNumber = phoneNumber;
this.trainDate = trainDate;
this.modifyDateTime = modifyDateTime;
}
public Student(String name, int age, String sex, String like, String phoneNumber,
String trainDate, String modifyDateTime) {
super();
this.name = name;
this.age = age;
this.sex = sex;
this.like = like;
this.phoneNumber = phoneNumber;
this.trainDate = trainDate;
this.modifyDateTime = modifyDateTime;
}
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getSex() {
return sex; }
public void setSex(String sex) {
this.sex = sex;
}
public String getLike() {
return like;
}
public void setLike(String like) {
this.like = like;
}
public String getPhoneNumber() {
return phoneNumber;
}
public void setPhoneNumber(String phoneNumber) {
this.phoneNumber = phoneNumber; }
public String getTrainDate() {
return trainDate;
}
public void setTrainDate(String trainDate) {
this.trainDate = trainDate;
}
public String getModifyDateTime() {
return modifyDateTime;
}
public void setModifyDateTime(String modifyDateTime) {
this.modifyDateTime = modifyDateTime;
}
}
TableContanst類
java文件:TableContanst
package TableContanst;
public final class TableContanst {
public static final String STUDENT_TABLE = "student";
public static final class StudentColumns {
public static final String ID = "_id";
public static final String NAME = "name";
public static final String AGE = "age";
public static final String SEX = "sex";
public static final String LIKES = "likes";
public static final String PHONE_NUMBER = "phone_number";
public static final String TRAIN_DATE = "train_date";
public static final String MODIFY_TIME = "modify_time";
}
}
其他文件
color.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorPrimary">#3F51B5</color> <color name="colorPrimaryDark">#303F9F</color> <color name="colorAccent">#EE82EE</color> </resources>
strings.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <string name="hello">Hello World, TextStudentManager!</string> <string name="app_name">學員管理系統</string> <string name="information_write">學員信息修改</string> <string name="button1">男</string> <string name="button2">女</string> <string name="box1">唱歌</string> <string name="box2">跳舞</string> <string name="box3">健身</string> <string name="myButton">添加學員信息</string> <string name="spinner">請選擇</string> </resources>
styles.xml
<resources> <!-- Base application theme. --> <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"> <!-- Customize your theme here. --> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark">@color/colorPrimaryDark</item> <item name="colorAccent">@color/colorAccent</item> </style> </resources>
AndroidManifest.xml
再次提醒,所有自定義活動必須手動添加到這個文件中,包括設置主活動也是在此文件中
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.asus.student">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".StudentListActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".AddStudentActivity">
</activity>
<activity android:name=".ShowStudentActivity">
</activity>
<activity android:name=".StudentSearch">
</activity>
</application>
</manifest>
最后是效果圖片
初始界面

增
添加界面

添加界面中的日歷插件

添加后返回主界面

第一次打開的程序,ID是從1開始的,因為我之前有操作過,所以這里ID才不是從1開始的。
單擊記錄后顯示詳細信息

長按記錄后跳出上下文菜單

刪
點擊菜單中的刪除按鈕

刪除后

下面看看多條記錄的操作
點擊主界面的選擇按鈕

點擊全選按鈕

全選后刪除

改
點擊菜單中的修改按鈕

查
搜索

搜索結果

以上就是關于我自己修改過的簡易學生信息管理系統的全部說明,按照步驟來一步一步做,應該就能直接運。如果有問題的話,頂多就是改一下包的名字和gradle文件中版本號之類的一些簡單的問題,具體需要結合電腦的實際情況來修改即可。
歡迎指正。
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持億速云。
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