Practical No.16.
Program on TimePicker
Xml code:
<?xml version="1.0" encoding="utf-8"?>
<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"
tools:context=".MainActivity">
<TimePicker
android:id="@+id/simpleTimePicker"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="100dp"
android:padding="20dp"
android:timePickerMode="spinner" />
<TextView
android:id="@+id/time"
android:layout_width="wrap_content"
android:layout_marginTop="10dp"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:text="Time Is ::"
android:textColor="@color/black"
android:textSize="20sp"
android:textStyle="bold" />
<TextView
android:id="@+id/ampm"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/time"
android:layout_centerHorizontal="true"
android:layout_marginTop="90dp"
android:layout_marginBottom="-46dp"
android:text="AM/PM"
android:textColor="@color/black"
android:textSize="20sp"
android:textStyle="bold" />
</RelativeLayout>
Java Code:
package com.example.prac16;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity
{
TextView time;
TimePicker simpleTimePicker;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
time = (TextView) findViewById(R.id.time);
simpleTimePicker = (TimePicker)
findViewById(R.id.simpleTimePicker);
simpleTimePicker.setIs24HourView(false);
simpleTimePicker.setOnTimeChangedListener(new
TimePicker.OnTimeChangedListener(){
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int
minute){
Toast.makeText(getApplicationContext(), hourOfDay + " " + minute,
Toast.LENGTH_SHORT).show();time.setText("Time is :: " + hourOfDay + " : "
+ minute);
}
}); }}
Output:
Program on Date and Time
Xml code:
<?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"
android:gravity="center"
android:padding="16dp">
<EditText
android:id="@+id/editText"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:focusable="false"
android:hint="Select Date and Time"
android:textSize="18sp" />
<Button
android:id="@+id/btnDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Select Date" />
<Button
android:id="@+id/btnTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Select Time"
android:layout_marginTop="10dp" />
</LinearLayout>
Java Code:
package com.example.prac16_1;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import androidx.appcompat.app.AppCompatActivity;
import java.util.Calendar;
public class MainActivity extends AppCompatActivity {
EditText editText;
Button btnDate, btnTime;
Calendar calendar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = findViewById(R.id.editText);
btnDate = findViewById(R.id.btnDate);
btnTime = findViewById(R.id.btnTime);
calendar = Calendar.getInstance();
btnDate.setOnClickListener(v -> showDatePicker());
btnTime.setOnClickListener(v -> showTimePicker());
}
private void showDatePicker() {
DatePickerDialog datePickerDialog = new DatePickerDialog(this, (view,
year, month, dayOfMonth) ->
editText.setText(dayOfMonth + "/" + (month + 1) + "/" + year),
calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH));
datePickerDialog.show();
}
private void showTimePicker() {
TimePickerDialog timePickerDialog = new TimePickerDialog(this, (view,
hourOfDay, minute) ->
editText.append(" " + hourOfDay + ":" + minute),
calendar.get(Calendar.HOUR_OF_DAY),
calendar.get(Calendar.MINUTE), false);
timePickerDialog.show();
}
}
Output:
