//rateus button
        android.widget.Button ratebutton = (android.widget.Button) findViewById(R.id.id_rateus);
        ratebutton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try {
                    startActivity(new Intent(Intent.ACTION_VIEW,
                            android.net.Uri.parse("market://play.google.com/store/apps/details?id=com.slsindupotha&hl=en")));
                }catch (android.content.ActivityNotFoundException e){
                    startActivity(new Intent(Intent.ACTION_VIEW,
                            android.net.Uri.parse("https://play.google.com/store/apps/details?id=com.slsindupotha&hl=en")));
                }
            }
        });
//end rateus button code

<item
        android:id="@+id/id_rateus"
        android:orderInCategory="100"
        android:title="@string/action_rateus"
        android:textAllCaps="false"
        app:showAsAction="ifRoom" />

@Override
public boolean onCreateOptionsMenu(Menu menu) {
 MenuInflater inflater = getMenuInflater();
 inflater.inflate(R.menu.menu_file, menu);
 return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.id_rateus:
 //handle onclick event for intent to playstore
 return true;
default:
 return super.onOptionsItemSelected(item);
 }
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds appModels to the action bar if it is present.
    this.menu = menu;
    getMenuInflater().inflate(R.menu.menu_main, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    int id = item.getItemId();

    switch (id) {
 switch (item.getItemId()) {
        case R.id.share:

            Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
            sharingIntent.setType("text/plain");
            String shareBodyText = "Check it out. Your message goes here";
            sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT,"Subject here");
            sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareBodyText);
            startActivity(Intent.createChooser(sharingIntent, "Shearing Option"));
            return true;

        case R.id.id_rateus:
            try {
                    startActivity(new Intent(Intent.ACTION_VIEW,
android.net.Uri.parse("market://play.google.com/store/apps/details?id=com.slsindupotha&hl=en")));
                }catch (android.content.ActivityNotFoundException e){
                    startActivity(new Intent(Intent.ACTION_VIEW,
                            android.net.Uri.parse("https://play.google.com/store/apps/details?id=com.slsindupotha&hl=en")));
                }

            return true;
    }

    return super.onOptionsItemSelected(item);
}