TimePickerTest

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
        
    <TimePicker android:id="@+id/picker"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:timePickerMode="clock"
        />
</LinearLayout>

MainActivity.java

package com.example.timepickertest;

import android.app.Activity;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import android.widget.Toast;

public class MainActivity extends Activity implements OnTimeChangedListener
{
	private TimePicker mPicker;

	@Override
	protected void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		mPicker = (TimePicker) findViewById(R.id.picker);
		mPicker.setIs24HourView(DateFormat.is24HourFormat(this));
		mPicker.setOnTimeChangedListener(this);
	}

	@Override
	public void onTimeChanged(TimePicker view, int hourOfDay, int minute)
	{
		// These toasts never happen when timePickerMode="clock"!
		Toast.makeText(this, "onTimeChanged:\nh=" + hourOfDay + ", m=" + minute, Toast.LENGTH_SHORT).show();
	}
}