Write a program to create Calendar in Android.

Calendar in Android.

MainActivity.java

package com.example.sunny.calendar;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private TextView thedate;
    private Button btngocalendar;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        thedate = (TextView) findViewById(R.id.date);
        btngocalendar = (Button) findViewById(R.id.btngocalendar);

        Intent incoming = getIntent();
        String date = incoming.getStringExtra("date");
        thedate.setText(date);

        btngocalendar.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this,Calendar.class);
                startActivity(intent);
            }
        });
    }
}

 

Calendar.java

 

package com.example.sunny.calendar;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.CalendarView;

public class Calendar extends AppCompatActivity {

    private  static final String TAG = "Calendar";
    private CalendarView mCal;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_calendar);

        mCal = (CalendarView) findViewById(R.id.calView);
        mCal.setOnDateChangeListener(new CalendarView.OnDateChangeListener() {
            @Override
            public void onSelectedDayChange(CalendarView CalendarView, int year, int month, int dayOfMonth) {
                String date = year + "/" + month + "/"+ dayOfMonth ;
                Log.d(TAG, "onSelectedDayChange: yyyy/mm/dd:" + date);
                Intent intent = new Intent(Calendar.this,MainActivity.class);
                intent.putExtra("date",date);
                startActivity(intent);

            }
        });
    }
}

 

activity_main.xml

 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
    android:background="#f5b041 "
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/cdate"
        android:layout_width="120dp"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="215dp"
        android:textColor=" #2e86c1 "
        android:text="Date"
        android:textAlignment="center"
        android:textSize="25dp"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.219" />

    <Button
        android:id="@+id/btncalendar"
        android:layout_width="266dp"
        android:layout_height="47dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="82dp"
        android:text="Go to calendar"
        tools:layout_editor_absoluteX="47dp"
        tools:layout_editor_absoluteY="8dp" />

</RelativeLayout>

activity_calendar.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:background=" #f8c471 "
    tools:context=".Calendar">


    <CalendarView
        android:id="@+id/calView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

AndroidManifest.xml

 

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.sunny.calendar">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".Calendar"></activity>
    </application>

</manifest>

OUTPUT