Android Open Source - android_tutorial_projects Main Activity

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License

The source code is released under:

Copyright (c) 2013, Uthcode All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redi...

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Java Source Code

package com.uthcode.exampledatepicker;
/*from www.  j a  v  a  2  s  .  c om*/
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;

import java.util.Calendar;

public class MainActivity extends Activity {

    static final int DATE_DIALOG_ID = 999;
    private int year;
    private int month;
    private int day;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        setCurrentDateOnView();
        addListenerOnButton();

    }

    public void setCurrentDateOnView() {
        TextView tvDisplayDate = (TextView) findViewById(R.id.tvDate);
        DatePicker dpResult = (DatePicker) findViewById(R.id.dpResult);

        final Calendar c = Calendar.getInstance();
        year = c.get(Calendar.YEAR);
        month = c.get(Calendar.MONTH);
        day = c.get(Calendar.DAY_OF_MONTH);

        // set current date into textview

        tvDisplayDate.setText(new StringBuilder()
                .append(month + 1).append("-").append(day).append("-")
                .append(year).append(" "));


        // set current date into datePicker
        dpResult.init(year, month, day, null);
    }

    public void addListenerOnButton() {
        Button btnChangeDate = (Button) findViewById(R.id.btnChangeDate);
        btnChangeDate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                showDialog(DATE_DIALOG_ID);
            }
        });

    }

    /*
    @Override
    protected Dialog onCreateDialog(int id) {
        switch(id) {
            case DATE_DIALOG_ID:
                return new DatePickerDialog(this, datePickerListener, year, month, day);
        }
        return null;
    }

    private DatePickerDialog.OnDateSetListener datePickerListener
            = new DatePickerDialog.OnDateSetListener() {
        public void onDateSet(DatePicker view, int selectedYear, int selectedMonth, int selectedDay) {
            year = selectedYear;
            month = selectedMonth;
            day = selectedDay;

            tvDate.setText(new StringBuilder().append(month+1)
                                              .append("-")
                                              .append(day)
                                              .append("-")
                                              .append(year)
                                              .append(" "));
            dpResult.init(year, month, day, null);

        }

    }; */
}

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