android学生信息管理软件源代码

package cn.yj3g.student.activity; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import android.app.AlertDialog; import android.app.Dialog; import android.app.ListActivity; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.ContextMenu; import android.view.MenuItem; import android.view.View; import android.view.ContextMenu.ContextMenuInfo; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.WindowManager; 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.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.SimpleAdapter; import android.widget.TextView; import android.widget.Toast; import cn.yj3g.student.dao.StudentDao; import cn.yj3g.student.db.StudentDBHelper; import cn.yj3g.student.entity.Student; import cn.yj3g.student.entity.TableContanst; public class StudentListActivity extends ListActivity implements OnClickListener, OnItemClickListener, OnItemLongClickListener { private static final String TAG = "StudentListActivity"; private static final int DIALOG_DELETE_ALL_COMFIRM = 2; private static final int DIALOG_DELETE_COMFIRM = 1; protected static final int DIALOG_DELETE_PROGRESS = 3; private static final int WHAT_FRESH_PROGRESS = 1; private static final int WHAT_DISMISS_DIALOG = 2; private StudentDao dao; private Button addStudent; private ImageView multiSelect; private Button cancelBtn; private Button deleteBtn; private CheckBox selectAllBox; private RelativeLayout headLayout; private LinearLayout bottomLayout; private ListView listView; private boolean isListDelete = false; private HashMap<Long, Boolean> checkBoxStatus; private List<Long> selectIds; private ProgressBar mProgressBar; private AlertDialog mDialog; private TextView mPercentSizeView; private int mDeletedSize; private static int mTotalSize; private boolean delete = false; private View selectedView = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); setContentView(R.layout.main); dao = new StudentDao(new StudentDBHelper(this)); // this instanceof // Context true addStudent = (Button) findViewById(R.id.btn_add_student); multiSelect = (ImageView) findViewById(R.id.iv_multi_select); cancelBtn = (Button) findViewById(R.id.btn_cancel_delete); deleteBtn = (Button) findViewById(R.id.btn_comfirm_delete); selectAllBox = (CheckBox) findViewById(R.id.cb_select_all); headLayout = (RelativeLayout) findViewById(R.id.rl_header_layout); bottomLayout = (LinearLayout) findViewById(R.id.ll_bottom); listView = getListView(); addStudent.setOnClickListener(this); multiSelect.setOnClickListener(this); cancelBtn.setOnClickListener(this); deleteBtn.setOnClickListener(this); selectAllBox.setOnClickListener(this); // 点击列表项进入学员信息详情界面 listView.setOnItemClickListener(this); // 长按列表项弹出上下文菜单 listView.setOnCreateContextMenuListener(this); listView.setOnItemLongClickListener(this); showListView(); // 显示listView } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { menu.add(1, 1, 1, "详细信息"); menu.add(1, 2, 1, "删除信息"); menu.add(1, 3, 1, "修改信息"); } /** * 点击上下文菜单项时被回调 */ @Override public boolean onContextItemSelected(MenuItem item) { int itemId = item.getItemId(); Student s = (Student) listView.getTag(); Intent intent = null; switch (itemId) { // int 所有可以转换成int类型 shot byte char case 1: intent = new Intent(this, ShowStudentActivity.class); intent.putExtra(TableContanst.STUDENT_TABLE, s); startActivity(intent); break; case 2: Bundle b = new Bundle(); b.putLong("id", s.getId()); showDialog(1,b); break; case 3: intent = new Intent(this, AddStudentActivity.class); intent.putExtra(TableContanst.STUDENT_TABLE, s); //startActivity(intent); startActivityForResult(intent, 1); break; default: break; } return super.onContextItemSelected(item); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(requestCode==1 && resultCode==2) { Log.v(TAG, "onActivityResult"); Student student = (Student) data.getSerializableExtra(TableContanst.STUDENT_TABLE); TextView nameView = (TextView) selectedView.findViewById(R.id.tv_item_name); nameView.setText(student.getName()); //showListView(); // 显示listView } } @Override protected Dialog onCreateDialog(int code, Bundle args) { Dialog dialog; if(code==DIALOG_DELETE_COMFIRM) { final long id = args.getLong("id"); dialog = new AlertDialog.Builder(this) .setTitle("学员信息批量删除") .setMessage("确认删除这些学员信息吗？") .setPositiveButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { //去数据库删除数据 int raws = dao.deleteStudentById(id); String message = null; if(raws>0) { message = "id为"+id+"的记录被删除成功!"; showListView(); } else { message = "删除失败，请重试!"; } Toast.makeText(StudentListActivity.this, message, 0).show(); } }) .setNegativeButton("取消", null).show(); } else if(code==DIALOG_DELETE_ALL_COMFIRM) { // } return super.onCreateDialog(code, args); } private void showListView() { List<Map<String, Object>> data = dao.getAllStudents(); String[] from = { TableContanst.StudentColumns.ID, TableContanst.StudentColumns.NAME, TableContanst.StudentColumns.SEX, TableContanst.StudentColumns.LIKES, TableContanst.StudentColumns.PHONE_NUMBER, TableContanst.StudentColumns.TRAIN_DATE, TableContanst.StudentColumns.AGE, TableContanst.StudentColumns.MODIFY_TIME }; int[] to = { R.id.tv_item_id, R.id.tv_item_name, R.id.tv_item_sex, R.id.tv_item_likes, R.id.tv_item_phone, R.id.tv_item_train_date, R.id.tv_item_age, R.id.tv_item_modify_date }; SimpleAdapter adapter = new StudentAdpter(this, data, R.layout.student_list_item2, from, to); listView.setAdapter(adapter); } public void onClick(View v) { // 跳转到添加信息的界面 if(v==addStudent) { startActivity(new Intent(this, AddStudentActivity.class)); } else if(v==multiSelect) { //1 隐藏headView 2 显示bottomView 3 显示listView所有item的checkbox showOrHiddenMultSelectUI(true); } else if(v==cancelBtn) { showOrHiddenMultSelectUI(false); } else if(v==deleteBtn) { deleteSeleteData(); //showDialog(DIALOG_DELETE_ALL_COMFIRM); } else if (v==selectAllBox) { checkOrcancelAllbox(selectAllBox.isChecked()); Log.v(TAG, "select box count="+selectIds.size()); Log.v(TAG, "select box status count="+checkBoxStatus.size()); } } /** * 删除选中的记录 */ private void deleteSeleteData() { if(selectIds.size()>0) { for(int i=0;i<selectIds.size();i++) { long id = selectIds.get(i); Log.e(TAG, "------delete id="+id); dao.deleteStudentById(id); } dao.closeDB(); showOrHiddenMultSelectUI(false); selectIds.clear(); checkBoxStatus.clear(); showListView(); } } private void clearAllboxs() { for(int i=0;i<listView.getChildCount();i++) { View view = listView.getChildAt(i); if(view!=null) { CheckBox cb = (CheckBox) view.findViewById(R.id.cb_item_delete); cb.setChecked(false); Log.v(TAG, "clearAllboxs i="+cb.isChecked