Thursday, December 31, 2009

TimePicker, a widget that to select the time by hour, minute and AM or PM.

A TimePicker is a widget that allows the user to select the time by hour, minute and AM or PM.

TimePicker

Further extends from the previouse exercise of DatePicker.

Modify main to have one more button to start TimePicker.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button
android:id="@+id/datepickerbutton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="DatePicker"
/>
<Button
android:id="@+id/timepickerbutton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="TimePicker"
/>
</LinearLayout>


Modify the main class.
package com.exercise.AndroidDatePicker;

import java.util.Calendar;

import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;
import android.widget.Toast;

public class AndroidDatePicker extends Activity {

private int myYear, myMonth, myDay, myHour, myMinute;
static final int ID_DATEPICKER = 0;
static final int ID_TIMEPICKER = 1;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Button datePickerButton = (Button)findViewById(R.id.datepickerbutton);
Button timePickerButton = (Button)findViewById(R.id.timepickerbutton);
datePickerButton.setOnClickListener(datePickerButtonOnClickListener);
timePickerButton.setOnClickListener(timePickerButtonOnClickListener);
}

private Button.OnClickListener datePickerButtonOnClickListener
= new Button.OnClickListener(){

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
final Calendar c = Calendar.getInstance();
myYear = c.get(Calendar.YEAR);
myMonth = c.get(Calendar.MONTH);
myDay = c.get(Calendar.DAY_OF_MONTH);
showDialog(ID_DATEPICKER);
}
};

private Button.OnClickListener timePickerButtonOnClickListener
= new Button.OnClickListener(){

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
final Calendar c = Calendar.getInstance();
myHour = c.get(Calendar.HOUR_OF_DAY);
myMinute = c.get(Calendar.MINUTE);
showDialog(ID_TIMEPICKER);
}
};

@Override
protected Dialog onCreateDialog(int id) {
// TODO Auto-generated method stub
switch(id){
case ID_DATEPICKER:
Toast.makeText(AndroidDatePicker.this,
"- onCreateDialog(ID_DATEPICKER) -",
Toast.LENGTH_LONG).show();
return new DatePickerDialog(this,
myDateSetListener,
myYear, myMonth, myDay);
case ID_TIMEPICKER:
Toast.makeText(AndroidDatePicker.this,
"- onCreateDialog(ID_TIMEPICKER) -",
Toast.LENGTH_LONG).show();
return new TimePickerDialog(this,
myTimeSetListener,
myHour, myMinute, false);
default:
return null;

}
}

private DatePickerDialog.OnDateSetListener myDateSetListener
= new DatePickerDialog.OnDateSetListener(){

@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
// TODO Auto-generated method stub
String date = "Year: " + String.valueOf(year) + "\n"
+ "Month: " + String.valueOf(monthOfYear+1) + "\n"
+ "Day: " + String.valueOf(dayOfMonth);
Toast.makeText(AndroidDatePicker.this, date,
Toast.LENGTH_LONG).show();
}
};

private TimePickerDialog.OnTimeSetListener myTimeSetListener
= new TimePickerDialog.OnTimeSetListener(){

@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
String time = "Hour: " + String.valueOf(hourOfDay) + "\n"
+ "Minute: " + String.valueOf(minute);
Toast.makeText(AndroidDatePicker.this, time,
Toast.LENGTH_LONG).show();
}
};

}


Download the files.



2 comments:

sarfaraz said...

Sir how to give multiple time alarm for a single activity??

knninjutsu said...

Thanks alot...!!!!