Mobile Application Development Practical 16
Question 1
Write a program to display following output. Select and display date and time on click of buttons.
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<EditText
android:id="@+id/edit1"
android:layout_width="180dp"
android:layout_marginLeft="40dp"
android:layout_marginTop="100dp"
android:layout_height="48dp" />
<EditText
android:id="@+id/edit2"
android:layout_width="180dp"
android:layout_below="@id/edit1"
android:layout_alignLeft="@id/edit1"
android:layout_height="48dp" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/edit1"
android:layout_alignBottom="@id/edit1"
android:text="Select Date" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/edit2"
android:layout_alignBottom="@id/edit2"
android:text="Select Time" />
</RelativeLayout>
</androidx.constraintlayout.widget.ConstraintLayout>MainActivity.java
package com.example.practical16;
import androidx.appcompat.app.AppCompatActivity;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TimePicker;
import java.util.Calendar;
public class MainActivity extends AppCompatActivity {
EditText et1,et2;
Button b1,b2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
et1=findViewById(R.id.edit1);
et2=findViewById(R.id.edit2);
b1=findViewById(R.id.button1);
b2=findViewById(R.id.button2);
DatePickerDialog.OnDateSetListener dl=new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker datePicker, int y, int m, int d) {
et1.setText(d+"/"+m+"/"+y);
}
};
TimePickerDialog.OnTimeSetListener tl=new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker timePicker, int h, int m) {
et2.setText(h+":"+m);
}
};
View.OnClickListener cl1=new View.OnClickListener() {
@Override
public void onClick(View view) {
Calendar c = Calendar.getInstance();
int mYear = c.get(Calendar.YEAR); // current year
int mMonth = c.get(Calendar.MONTH); // current month
int mDay = c.get(Calendar.DAY_OF_MONTH); // current day
DatePickerDialog dpd=new DatePickerDialog(MainActivity.this,dl,mYear,mMonth,mDay);
dpd.show();
}
};
b1.setOnClickListener(cl1);
View.OnClickListener cl2=new View.OnClickListener() {
@Override
public void onClick(View view) {
Calendar c = Calendar.getInstance();
int mHour = c.get(Calendar.HOUR_OF_DAY);
int mMinute = c.get(Calendar.MINUTE);
TimePickerDialog tpd=new TimePickerDialog(MainActivity.this,tl,mHour,mMinute,false);
tpd.show();
}
};
b2.setOnClickListener(cl2);
}
}
Output
