sharing content on web using shareIntent in android

When you are click on image button than sharing dialog is open.
code here..........
shareButton.setOnClickListener(new OnClickListener() {


@Override
public void onClick(View v) {
Toast.makeText(mcontext,"click", Toast.LENGTH_SHORT).show();

//create the intent

Intent shareIntent = 

 new Intent(android.content.Intent.ACTION_SEND);

//set the type

shareIntent.setType("text/plain");

//add a subject

shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, 

 "Insert Subject Here");

//build the body of the message to be shared

String shareMessage = "Insert message body here.";

//add the message

shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, 

 shareMessage);

//start the chooser for sharing

startActivity(Intent.createChooser(shareIntent, 

 "Insert share chooser title here"));

}
});