code:
editText.setOnFocusChangeListener(new OnFocusChangeListener(){
@Override
public void onFocusChange(View v,boolean hasFocus)
{
//check for emptiness
if(editText.length()==0)
{
editText.setError(error_required);
}
else if(!numberValidation(editText.getText().toString()))
{
editText.setError("Only Numbers");
}
}
}
);
In main.xml add,
EditText tag, android:numeric="integer/number/decimal"
References:
http://phaniraghav.wordpress.com/2011/05/07/android-edittext-validations-2/
http://stackoverflow.com/questions/5218691/display-input-validation-errors-in-popup
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