android.app.TimePickerDialog

android.app.TimePickerDialog is dialog that prompts the user for the time of day using a TimePicker.

Note:

If the TimePickerDialog closed by "Set" button, OnTimeSetListener and OnDismissListener will be called.
If the TimePickerDialog closed by "Cancel" button, only OnDismissListener will be called.
If the TimePickerDialog closed by "BACK" system button, OnCancelListener and OnDismissListener will be called.

package com.exercise.AndroidTime;

import java.util.Calendar;

import android.app.Activity;
import android.app.TimePickerDialog;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnDismissListener;
import android.content.DialogInterface.OnShowListener;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.TimePicker;

public class AndroidTimeActivity extends Activity {
 
 TimePicker myTimePicker;
 Button buttonStartDialog12, buttonStartDialog24;
 TextView info;
 
 TimePickerDialog timePickerDialog;
 
 String dialogMsg;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        info = (TextView)findViewById(R.id.info);
        
        buttonStartDialog12 = (Button)findViewById(R.id.startDialog12);
        buttonStartDialog12.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View v) {
    openTimePickerDialog(false);
    
   }});
        
        buttonStartDialog24 = (Button)findViewById(R.id.startDialog24);
        buttonStartDialog24.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View v) {
    openTimePickerDialog(true);
    
   }});
    }

  
 private void openTimePickerDialog(boolean is24r){
  Calendar calendar = Calendar.getInstance();
  timePickerDialog = new TimePickerDialog(
    AndroidTimeActivity.this, 
    onTimeSetListener, 
    calendar.get(Calendar.HOUR_OF_DAY), 
    calendar.get(Calendar.MINUTE), 
    is24r);
  timePickerDialog.setTitle("TimePickerDialog Title");  
        timePickerDialog.setMessage("TimePickerDialog Message"); 
        
        timePickerDialog.setOnShowListener(new OnShowListener(){

   @Override
   public void onShow(DialogInterface arg0) {
    dialogMsg = "OnShow\n";
    info.setText(dialogMsg);
   }});
        
        timePickerDialog.setOnCancelListener(new OnCancelListener(){

   @Override
   public void onCancel(DialogInterface dialog) {
    dialogMsg += "OnCancel\n";
    info.setText(dialogMsg);
    
   }});
        timePickerDialog.setOnDismissListener(new OnDismissListener(){

   @Override
   public void onDismiss(DialogInterface arg0) {
    dialogMsg += "OnDismiss\n";
    info.setText(dialogMsg);
   }});
        
  timePickerDialog.show();

 }
    
    OnTimeSetListener onTimeSetListener
    = new OnTimeSetListener(){

  @Override
  public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
   dialogMsg += "OnTimeSet " + hourOfDay + " : " + minute + "\n";
   info.setText(dialogMsg);
  }};

}

<?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:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
    <Button
        android:id="@+id/startDialog12"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" 
        android:text="Start TimePickerDialog in AM/PM mode "/>
    <Button
        android:id="@+id/startDialog24"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" 
        android:text="Start TimePickerDialog in 24hr mode "/>
    <LinearLayout 
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" 
        android:gravity="bottom"
        >
    <TextView
        android:id="@+id/info"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />
 </LinearLayout>
</LinearLayout>