Decimalformat to striing conversion

NumberFormat nf = NumberFormat.getNumberInstance(Locale.ENGLISH);
DecimalFormat df = (DecimalFormat)nf;
df.applyPattern("00.00");
strRelationist = (String.valueOf(df.format(Relationist)));


getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);



InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,0);


EditPlayerdialog.getWindow().setSoftInputMode (WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);


btnCancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
EditPlayerdialog.dismiss();
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
}
});
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,0);
EditPlayerdialog.show();
}