Android TimePicker

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TimePicker
        android:id="@+id/timePicker1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="86dp" />
 
    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/timePicker1"
        android:layout_alignParentTop="true"
        android:layout_marginTop="17dp"
        android:text="@string/current" />
 
    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/timePicker1"
        android:layout_below="@+id/timePicker1"
        android:layout_marginLeft="37dp"
        android:layout_marginTop="55dp"
        android:text="@string/ct" />

</RelativeLayout>

MainActivity.java

package com.mahi.timepicker;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TextView;

import android.widget.TimePicker;

public class MainActivity extends Activity {

TextView t1;

    TimePicker tp;

    Button b;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

t1=(TextView)findViewById(R.id.textView1);

        tp=(TimePicker)findViewById(R.id.timePicker1);

        b=(Button)findViewById(R.id.button1);

       

        tp.setIs24HourView(true); //code for 24 hour view

        

        t1.setText(getCurrentTime());  

        

        b.setOnClickListener(new OnClickListener(){  

            @Override  

            public void onClick(View v) {  

                 t1.setText(getCurrentTime());  

            }  

        });

}

public String getCurrentTime(){  

        String currentTime="Current Time: "+tp.getCurrentHour()+":"+tp.getCurrentMinute();  

        return currentTime;  

    }

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}

Output: