Android开发-- 简单对话框

final Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.appicns_folder_smart);
builder.setTitle("Normal Dialog");
builder.setMessage("A simple dialog");
builder.setPositiveButton("OK", new OnClickListener() {
                    
    @Override
    public void onClick(DialogInterface arg0, int arg1) {
        toast.setText("User has clicked OK button.");
        toast.show();
        }
    });
                
    builder.setNegativeButton("Cancel", new OnClickListener() {
                    
    @Override
    public void onClick(DialogInterface arg0, int arg1) {
        toast.setText("User has clicked Cancel button.");
        toast.show();
        }
    });
builder.create().show();