gistfile1.xml

AlertDialog.Builder builder
= new AlertDialog.Builder(this);
builder.setMessage(“Are you sure you want to exit?”)
.setCancelable(false)
.setPositiveButton(“Yes”,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
MyActivity.this.finish();
}})
.setNegativeButton(“No”, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}});
AlertDialog alert