Android Open Source - androidui Date Picker Fragment Activity

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License

The source code is released under:

MIT License

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Java Source Code

package course.examples.UI.datepicker;
//from w  ww  . j a  v a 2s .  co m
import java.util.Calendar;

import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.Dialog;
import android.app.DialogFragment;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;

public class DatePickerFragmentActivity extends Activity implements OnDateSetListener {

  private TextView mDateDisplay;
  private Button mPickDate;
  private int mYear;
  private int mMonth;
  private int mDay;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    // Capture UI elements
    mDateDisplay = (TextView) findViewById(R.id.dateDisplay);
    mPickDate = (Button) findViewById(R.id.pickDate);

    // Set an OnClickListener for the Change the Date Button
    mPickDate.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        
        // Create a new DatePickerFragment
        DialogFragment newFragment = new DatePickerFragment();
        
        // Display DatePickerFragment
        newFragment.show(getFragmentManager(), "DatePicker");
      }
    });
  }

  public void onDateSet(DatePicker view, int year, int monthOfYear,
      int dayOfMonth) {
    mYear = year;
    mMonth = monthOfYear;
    mDay = dayOfMonth;
    updateDisplay();
  }

  // Update the date String in the TextView
  private void updateDisplay() {
    mDateDisplay.setText(new StringBuilder()
        // Month is-0 based so add 1
        .append(mMonth + 1).append("-").append(mDay).append("-")
        .append(mYear).append(" "));
  }

  public static class DatePickerFragment extends DialogFragment implements
      OnDateSetListener {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {

      // Set the current date in the DatePickerFragment
      final Calendar c = Calendar.getInstance();
      int year = c.get(Calendar.YEAR);
      int month = c.get(Calendar.MONTH);
      int day = c.get(Calendar.DAY_OF_MONTH);

      // Create a new instance of DatePickerDialog and return it
            return new DatePickerDialog(getActivity(), this, year, month, day);

    }

    // Callback to DatePickerActivity.onDateSet() to update the UI
    @Override
    public void onDateSet(DatePicker view, int year, int monthOfYear,
        int dayOfMonth) {

      ((OnDateSetListener) getActivity()).onDateSet(view, year,
          monthOfYear, dayOfMonth);

    }
  }
}

Java Source Code List