Android Open Source - digitalcampus New Student Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.llenguatges.digitalcampus.students;
/*ww  w  .j a  v a2 s  .  c om*/
import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;

import com.llenguatges.digitalcampus.MyApplication;
import com.llenguatges.digitalcampus.R;
import com.llenguatges.digitalcampus.database.StudentTable;
import com.llenguatges.digitalcampus.objects.Student;

public class NewStudentActivity extends Activity {
  
  private static int RESULT_LOAD_IMAGE = 1;
  private Student newStudent;
  private MyApplication myApp;
  
  /**
   * Interface definition for a callback to be invoked when a view is clicked.
   */
  private OnClickListener onClick = new OnClickListener() {
    /**
     * Called when a view has been clicked.
     */
    public void onClick(View v) {
      switch (v.getId()) {
        case R.id.new_student_search_photo:
          Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                  startActivityForResult(i, RESULT_LOAD_IMAGE);
          break;
        case R.id.new_student_create:
          setStudent();
          insertDB();
          finish();
          break;  
        default:
          break;
      }      
    }
  };
  
  /**
   * Setter for specific attribute
   */
  private void setStudent(){
    EditText et = (EditText) findViewById(R.id.new_student_first_name);
    newStudent.setFirstName(et.getText().toString());
    et = (EditText) findViewById(R.id.new_student_last_name);
    newStudent.setLastName(et.getText().toString());
    DatePicker dp = (DatePicker) findViewById(R.id.new_student_bday);
    String bday = dp.getDayOfMonth()+"/"+dp.getMonth()+"/"+dp.getYear();
    newStudent.setAge(bday);
    Spinner spinner = (Spinner) findViewById(R.id.new_student_degree_spinner);
    newStudent.setDescription(spinner.getSelectedItem().toString());
    RadioGroup rg = (RadioGroup) findViewById(R.id.new_student_radio_sex);
    int selectedId = rg.getCheckedRadioButtonId();
    RadioButton radioSexButton = (RadioButton) findViewById(selectedId);
    switch (radioSexButton.getId()) {
      case R.id.male:
        newStudent.setGender("M");
        break;
      case R.id.female:
        newStudent.setGender("F");
        break;
      default:
        break;
    }
    ImageView image = (ImageView) findViewById(R.id.new_student_image);
    Bitmap bmap = ((BitmapDrawable)image.getDrawable()).getBitmap();
    newStudent.setPhoto(bmap);
  }

  /**
   * Inserts information into the specific tables related to the Activity.
   */
  protected void insertDB() {
    StudentTable st = new StudentTable(getApplicationContext());
    long id = st.Insert(newStudent);
    newStudent.setId(id);
    myApp.addStudent(newStudent);
  }

  /**
   * Called when the activity is first created. 
   * This is where you all of static set up: customize ActionBar. 
   * This method also provides you with a Bundle containing the 
   * activity's previously frozen state, if there was one.
   */
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.new_student_layout);
    myApp = (MyApplication) getApplication();
    ActionBar actionBar = getActionBar();
    actionBar.setSubtitle("New student");
    actionBar.setDisplayHomeAsUpEnabled(true);
    setSpinner();
    setButton();
    newStudent = new Student(0, null, null, null, null, null, false, null);
  }
  
  /**
   * Inserts information into the specific tables related to the Activity.
   */
  private void setButton() {
    Button bttImageLoader = (Button) findViewById(R.id.new_student_search_photo);
    bttImageLoader.setOnClickListener(onClick);
    Button bttCreates = (Button) findViewById(R.id.new_student_create);
    bttCreates.setOnClickListener(onClick);
  }

  /**
   * Set student's spinner view
   */
  private void setSpinner() {
    Spinner spinner = (Spinner) findViewById(R.id.new_student_degree_spinner);
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.degree_array, android.R.layout.simple_spinner_item);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinner.setAdapter(adapter);    
  }

  /**
     * This hook is called whenever an item in your options menu is selected.
     */
  public boolean onOptionsItemSelected(MenuItem item) { 
    // Handle presses on the action bar items 
    switch (item.getItemId()) { 
      case android.R.id.home:
        finish();
        return true; 
      default: 
        return super.onOptionsItemSelected(item); 
    } 
  }
  
  /**
   * Called when an activity you launched exits, 
   * giving you the requestCode you started it with, 
   * the resultCode it returned, and any additional data from it.
   */
  protected void onActivityResult(int requestCode, int resultCode, Intent imageReturnedIntent) {
        super.onActivityResult(requestCode, resultCode, imageReturnedIntent); 
        switch(requestCode) { 
          case 1:
              if(resultCode == RESULT_OK){  
                  Uri selectedImage = imageReturnedIntent.getData();
                  String[] filePathColumn = {MediaStore.Images.Media.DATA};
                  Cursor cursor = getContentResolver().query(selectedImage, filePathColumn, null, null, null);
                  cursor.moveToFirst();
                  ImageView imgView = (ImageView) findViewById(R.id.new_student_image);
                  imgView.setImageURI(selectedImage);
              }
          }
    }

}

Java Source Code List

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