Source Code of MainAcivity.java

public class MainActivity extends AppCompatActivity  {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main_menu, menu);
        return true;
    }


    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
            case R.id.create_new:
                Toast.makeText(getApplicationContext(),"New Option Clicked",Toast.LENGTH_LONG).show();
                return true;
            case R.id.open:
                Toast.makeText(getApplicationContext(),"Open Option Clicked",Toast.LENGTH_LONG).show();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

}

Source Code of activity_main.xml

<?xml version="1.0" encoding="utf-8"?>


<ScrollView xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_height="match_parent" android:layout_width="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        tools:context=".MainActivity">

        <TextView
            android:id="@+id/textView1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:text="Demo of Menu and MenuItem"
            android:textAlignment="center"
            android:textAppearance="@style/TextAppearance.AppCompat.Medium"
            android:textColor="@android:color/holo_red_dark"
            android:textSize="25sp" />


        <TextView
            android:id="@+id/textView2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Developed By : w3techblog.com"
            android:textAlignment="center"
            android:textAppearance="@style/TextAppearance.AppCompat.Body2"
            android:layout_marginTop="20dp"
            android:textSize="25sp"
            android:textColor="@android:color/holo_blue_light" />
    </LinearLayout>
</ScrollView>

​

Source Code of main_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">


            <item android:id="@+id/create_new"
                android:title="New" />
            <item android:id="@+id/open"
                android:title="Open" />


</menu>

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Source Code of Popupmenu.java

public class Popupmenu extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_popupmenu);
        TextView t1 = (TextView) findViewById(R.id.txt1);
        t1.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                PopupMenu popup = new PopupMenu(Popupmenu.this, t1);

                popup.getMenuInflater().inflate(R.menu.my_menu, popup.getMenu());


                popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                    public boolean onMenuItemClick(MenuItem item) {
                        Toast.makeText(Popupmenu.this, "You have clicked : " + item.getTitle(), Toast.LENGTH_SHORT).show();
                        return true;
                    }
                });

                popup.show();
            }
        });
    }
}

Source Code of activity_popupmenu.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=".Popupmenu">

    <TextView
        android:id="@+id/txt1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

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