android计算器代码示例分享

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            b=Integer.parseInt(et.getText().toString()) ;
            et.setText("");
            stra="";
            if(fh.equals("+"))
            {
                int c=a+b;
                et.setText(""+c);
            }
        }
    });
}
public class sum implements OnClickListener{