コード例 #1
0
  @Override
  protected void onResume() {
    super.onResume();

    etLectNum = (EditText) findViewById(R.id.etLectNum);
    etLectTitle = (EditText) findViewById(R.id.etLectTitle);
    etLectDescription = (EditText) findViewById(R.id.etLectDescription);
    tvLastLect = (TextView) findViewById(R.id.tvLastLect);
    bSubmit = (Button) findViewById(R.id.bLectSubmit);

    spf = PreferenceManager.getDefaultSharedPreferences(this);
    ed = spf.edit();

    semSelected = spf.getInt("SemesterSelected", 0);
    courseSelected = spf.getString("CourseSelected", null);

    dbh = new DBHelper(this);

    if (getIntent().getExtras().getBoolean("Update")) {

      Cursor rs = dbh.getLectureData(semSelected, courseSelected, spf.getInt("LectureSelected", 0));
      rs.moveToFirst();
      etLectNum.setText(String.valueOf(rs.getInt(rs.getColumnIndex(DBHelper.LECTURES_NUMBER))));
      etLectNum.setFocusable(false);
      etLectNum.setClickable(false);
      etLectTitle.setText(rs.getString(rs.getColumnIndex(DBHelper.LECTURES_TITLE)));
      etLectDescription.setText(rs.getString(rs.getColumnIndex(DBHelper.LECTURES_DESCRIPTION)));
      rs.close();
      dbh.close();
    } else {
      tvLastLect.setText(
          "Last Lecture Number added: " + dbh.getLastAddedLecture(semSelected, courseSelected));
    }
    bSubmit.setOnClickListener(this);
  }
コード例 #2
0
  @Override
  public void onClick(View arg0) {
    // TODO Auto-generated method stub
    if (etLectNum.getText().toString().length() == 0) {
      Dialog d = new Dialog(this);
      d.setTitle("Lecture Number cannot be empty!");
      d.show();
    } else {
      lecture_number = Integer.parseInt(etLectNum.getText().toString());
      lecture_title = etLectTitle.getText().toString();
      lecture_description = etLectDescription.getText().toString();

      dbh = new DBHelper(this);

      if (getIntent().getExtras().getBoolean("Update")) {
        dbh.updateLecture(
            semSelected, courseSelected, lecture_number, lecture_title, lecture_description, "");
        Toast.makeText(
                getApplicationContext(),
                "Lecture " + lecture_number + " updated successfully!",
                Toast.LENGTH_SHORT)
            .show();

        Intent intent =
            new Intent(getApplicationContext(), com.aakash.studentmanager.LectureList.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startActivity(intent);

      } else {

        Cursor rs = dbh.getLectureData(semSelected, courseSelected, lecture_number);

        rs.moveToFirst();
        if (rs.isAfterLast() == true) {

          dbh.insertLecture(
              semSelected, courseSelected, lecture_number, lecture_title, lecture_description, "");
          Toast.makeText(
                  getApplicationContext(),
                  "Lecture " + lecture_number + " added successfully!",
                  Toast.LENGTH_SHORT)
              .show();

          Intent intent =
              new Intent(getApplicationContext(), com.aakash.studentmanager.LectureList.class);
          intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
          startActivity(intent);
        } else {
          Dialog d = new Dialog(this);
          d.setTitle("Duplicate Entry:");
          TextView tv = new TextView(this);
          tv.setText("Lecture Number " + lecture_number + " already added!");
          d.setContentView(tv);
          d.show();
        }
      }
      dbh.close();
    }
  }