private EditText EnterInMeters;
private Button Covertbutton;
private TextView Resultid;
private EditText EnterInInches;
private Button CovertButton2;
private TextView ResultId2;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    EnterInMeters=(EditText) findViewById(R.id.EnterInMeters);
    Resultid=(TextView) findViewById(R.id.Resultid);
    Covertbutton=(Button) findViewById(R.id.Convertbutton);
    Covertbutton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            double permeteravalue=39.37;
            double result=0.0;

            if(EnterInMeters.getText().toString().equals(""))
            {
                Resultid.setText(R.string.Error_Message);
                Resultid.setTextColor(Color.RED);
            }
            else
            {
                double getEditText=Double.parseDouble(EnterInMeters.getText().toString());
                result=getEditText*permeteravalue;

                Resultid.setTextColor(Color.DKGRAY);
                Resultid.setText(String.format("%.2f",result)+" Inches");
            }

        }
    });

    EnterInInches=(EditText) findViewById(R.id.EnterInInches);
    ResultId2=(TextView) findViewById(R.id.ResultId2);
    CovertButton2=(Button) findViewById(R.id.ConvertButton2);
    CovertButton2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            double perinchavalue=0.0254;
            double result1=0.0;

            if(EnterInInches.getText().toString().equals(""))
            {

                ResultId2.setText(R.string.Error_Message);
                ResultId2.setTextColor(Color.RED);

            }
            else {
                double getEditText1 = Double.parseDouble(EnterInInches.getText().toString());
                result1 = getEditText1 * perinchavalue;

                ResultId2.setTextColor(Color.DKGRAY);
                ResultId2.setText(String.format("%.2f", result1) + " Meters");
            }
        }
    });


}