ANDROID - Dialogs Demo

1)main.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:background="#9932CC"

    android:orientation="vertical" >

    <Button

        android:id="@+id/btnAlertDialog"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="50dp"

        android:gravity="center"

        android:text="Alert Dialog" />

    <Button

        android:id="@+id/btnProgressDialog"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:gravity="center"

        android:text="Progress Dialog" />

    <Button

        android:id="@+id/btnDatePickerDialog"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:gravity="center"

        android:text="Date Picker Dialog" />

    <Button

        android:id="@+id/btnTimePickerDialog"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:gravity="center"

        android:text="Time Picker Dialog" />

</LinearLayout>

2)Activity:

package com.venkool;

import java.util.Calendar;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.DatePickerDialog;

import android.app.DatePickerDialog.OnDateSetListener;

import android.app.ProgressDialog;

import android.app.TimePickerDialog;

import android.app.TimePickerDialog.OnTimeSetListener;

import android.content.DialogInterface;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.DatePicker;

import android.widget.TimePicker;

import android.widget.Toast;

public class DialogsDemoActivity extends Activity {

      /** Called when the activity is first created. */

      Button btnAlertDialog, btnProgressDialog, btnDatePickerDialog,

                  btnTimePickerDialog;

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.main);

            btnAlertDialog = (Button) findViewById(R.id.btnAlertDialog);

            btnProgressDialog = (Button) findViewById(R.id.btnProgressDialog);

            btnDatePickerDialog = (Button) findViewById(R.id.btnDatePickerDialog);

            btnTimePickerDialog = (Button) findViewById(R.id.btnTimePickerDialog);

            btnAlertDialog.setOnClickListener(new OnClickListener() {

                  public void onClick(View v) {

                        AlertDialog.Builder alert = new AlertDialog.Builder(

                                    DialogsDemoActivity.this);

                        alert.setMessage("Do you Want to Continuee ...")

                                    .setPositiveButton("Yes",

                                                new DialogInterface.OnClickListener() {

                                                      @Override

                                                      public void onClick(DialogInterface dialog,

                                                                  int which) {

                                                            // TODO Auto-generated method stub

                                                            Toast.makeText(getApplicationContext(),

                                                                        "You Clicked => Yes", 5000)

                                                                        .show();

                                                      }

                                                })

                                    .setNegativeButton("No",

                                                new DialogInterface.OnClickListener() {

                                                      @Override

                                                      public void onClick(DialogInterface dialog,

                                                                  int which) {

                                                            // TODO Auto-generated method stub

                                                            Toast.makeText(getApplicationContext(),

                                                                        "You Clicked => No", 5000)

                                                                        .show();

                                                      }

                                                }).show();

                  }

            });

            btnProgressDialog.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        ProgressDialog progress = new ProgressDialog(

                                    DialogsDemoActivity.this);

                        progress.setMessage("Loading...");

                        progress.show();

                  }

            });

            btnDatePickerDialog.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        // TODO Auto-generated method stub

                        Calendar c = Calendar.getInstance();

                        int cYear = c.get(Calendar.YEAR);

                        int cMonth = c.get(Calendar.MONTH);

                        int cDay = c.get(Calendar.DAY_OF_MONTH);

                        DatePickerDialog date = new DatePickerDialog(

                                    DialogsDemoActivity.this, dateListener, cYear, cMonth,

                                    cDay);

                        date.show();

                  }

            });

            btnTimePickerDialog.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        Calendar c = Calendar.getInstance();

                        int cHour = c.get(Calendar.HOUR_OF_DAY);

                        int cMinute = c.get(Calendar.MINUTE);

                        TimePickerDialog time = new TimePickerDialog(

                                    DialogsDemoActivity.this, timeListener, cHour, cMinute,

                                    false);

                        time.show();

                  }

            });

      }

      OnDateSetListener dateListener = new OnDateSetListener() {

            @Override

            public void onDateSet(DatePicker view, int year, int monthOfYear,

                        int dayOfMonth) {

                  int month = monthOfYear + 1;

                  Toast.makeText(

                              DialogsDemoActivity.this,

                              "Selected Date is" + dayOfMonth + "-" + month + "-"

                                          + year, 5000).show();

            }

      };

      OnTimeSetListener timeListener = new OnTimeSetListener() {

            @Override

            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {

                  Toast.makeText(DialogsDemoActivity.this,

                              "Selected Time is :" + hourOfDay + ":" + minute, 5000)

                              .show();

            }

      };

}

Demo :