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How to use calendar widget using the calendarView class in Android App?
This example demonstrates how do I use calendar widget using the calendarView class in android app.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?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"> <TextView android:id="@+id/dateView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="150dp" android:layout_marginTop="20dp" android:text="Set the Date" android:textColor="@android:color/background_dark" android:textStyle="bold" /> <CalendarView android:id="@+id/calender" android:layout_centerInParent="true" android:layout_width="match_parent" android:layout_height="wrap_content"> </CalendarView> </RelativeLayout>
Step 3 − Add the following code to src/MainActivity.java
import android.support.annotation.NonNull; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.CalendarView; import android.widget.TextView; public class MainActivity extends AppCompatActivity { CalendarView calendar; TextView dateView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); calendar = findViewById(R.id.calender); dateView = findViewById(R.id.dateView); calendar.setOnDateChangeListener(new CalendarView.OnDateChangeListener() { @Override public void onSelectedDayChange(@NonNull CalendarView view, int year, int month, int dayOfMonth) { String Date = dayOfMonth + "-" + (month + 1) + "-" + year; dateView.setText(Date); } }); } }
Step 4 - Add the following code to androidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="app.com.sample"> <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> </application> </manifest>
Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –
Click here to download the project code.
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