Changing focus on multiple edittext boxes?

I would think checking which view has lost focus is unnecessary, unless the calculations are different depending on which box has lost its focus. If the calculations are the same, just try: public void onFocusChange(View v, boolean hasFocus) { if(!hasFocus) { //do calculations } } If you're only caring that one of the six has lost focus, then any time the focus changes, just check to see if it's not focused, then perform the calculations Also, just for reference, it's more efficient to check if(v.getId() == R.id. Et1) rather than calling findViewById() unnecessarily EDIT: Just thinking, haven't tested this, but something like this also might be more effective, to cause the calculations to occur only if the value was actually changed: private String last; public void onFocusChange(View v, boolean hasFocus) { if(hasFocus) { last = ((EditText)v).getText().toString(); } else { if(!((EditText)v).getText().toString().

Equals(last)) { //do calculations } } }.

I would think checking which view has lost focus is unnecessary, unless the calculations are different depending on which box has lost its focus. If the calculations are the same, just try: public void onFocusChange(View v, boolean hasFocus) { if(!hasFocus) { //do calculations } } If you're only caring that one of the six has lost focus, then any time the focus changes, just check to see if it's not focused, then perform the calculations. Also, just for reference, it's more efficient to check if(v.getId() == R.id.

Et1) rather than calling findViewById() unnecessarily. EDIT: Just thinking, haven't tested this, but something like this also might be more effective, to cause the calculations to occur only if the value was actually changed: private String last; public void onFocusChange(View v, boolean hasFocus) { if(hasFocus) { last = ((EditText)v).getText().toString(); } else { if(!((EditText)v).getText().toString(). Equals(last)) { //do calculations } } }.

Thanks for the code cleaning ideas. – Ted Betz Feb 17 at 20:23.

You would probably only want to make changes if the text actually changed. So you should add a TextChangedListener for your edittexts. So for each of your edit text's: et1.

AddTextChangedListener(this); ... et6. AddTextChangedListener(this); Then, let your class implement TextWatcher @Override public void afterTextChanged(Editable s) { // do calculations } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { }.

Clever! Thanks. – Ted Betz Feb 17 at 20:22.

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