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how do you sum an Array that is declared as a switch in Java?
How do I check if an array includes an object in JavaScript?How do I read / convert an InputStream into a String in Java?How to append something to an array?What's the simplest way to print a Java array?How to insert an item into an array at a specific index (JavaScript)?How do you check if a variable is an array in JavaScript?How do I determine whether an array contains a particular value in Java?How do I declare and initialize an array in Java?How to check if an object is an array?How do I remove a particular element from an array in JavaScript?
I am new to Java and building an Android app using it, I want to be able to determine how many switches are on but not sure how the best way to sum an array of switches. I currently have:
SS = new Switch[8];
SS[0] = getView().findViewById(R.id.switch1);
SS[1] = getView().findViewById(R.id.switch2);
SS[2] = getView().findViewById(R.id.switch3);
SS[3] = getView().findViewById(R.id.switch4);
SS[4] = getView().findViewById(R.id.switch5);
SS[5] = getView().findViewById(R.id.switch6);
SS[6] = getView().findViewById(R.id.switch7);
SS[7] = getView().findViewById(R.id.switch8);
submit = getView().findViewById(R.id.submitButton);
submit.setOnClickListener(new View.OnClickListener(){
public void onClick (View v) {
totalactive= IntStream.of(SS).sum();
with the array "SS" declared as a class global.
Thank you
java
android arrays asked Mar 21 at 20:37
AthosAthos
32
add a comment |
I am new to Java and building an Android app using it, I want to be able to determine how many switches are on but not sure how the best way to sum an array of switches. I currently have:
SS = new Switch[8];
SS[0] = getView().findViewById(R.id.switch1);
SS[1] = getView().findViewById(R.id.switch2);
SS[2] = getView().findViewById(R.id.switch3);
SS[3] = getView().findViewById(R.id.switch4);
SS[4] = getView().findViewById(R.id.switch5);
SS[5] = getView().findViewById(R.id.switch6);
SS[6] = getView().findViewById(R.id.switch7);
SS[7] = getView().findViewById(R.id.switch8);
submit = getView().findViewById(R.id.submitButton);
submit.setOnClickListener(new View.OnClickListener(){
public void onClick (View v) {
totalactive= IntStream.of(SS).sum();
with the array "SS" declared as a class global.
Thank you
java
android arrays asked Mar 21 at 20:37
AthosAthos
32
SS is not compatible with IntStream.of() -- how do you tell if a "Switch" is "on" or "off" - is there a method you can call?
– Not a JD
Mar 21 at 20:39
I was just messing with you buddy, don't mind me ;-)
– Taslim Oseni
Mar 21 at 20:59
I use an setOnCheckedChangeListener for each switch but want to limit how many they can turn on at one time.
– Athos
Mar 22 at 14:33
add a comment |
I am new to Java and building an Android app using it, I want to be able to determine how many switches are on but not sure how the best way to sum an array of switches. I currently have:
SS = new Switch[8];
SS[0] = getView().findViewById(R.id.switch1);
SS[1] = getView().findViewById(R.id.switch2);
SS[2] = getView().findViewById(R.id.switch3);
SS[3] = getView().findViewById(R.id.switch4);
SS[4] = getView().findViewById(R.id.switch5);
SS[5] = getView().findViewById(R.id.switch6);
SS[6] = getView().findViewById(R.id.switch7);
SS[7] = getView().findViewById(R.id.switch8);
submit = getView().findViewById(R.id.submitButton);
submit.setOnClickListener(new View.OnClickListener(){
public void onClick (View v) {
totalactive= IntStream.of(SS).sum();
with the array "SS" declared as a class global.
Thank you
java
android arrays asked Mar 21 at 20:37
AthosAthos
32
I am new to Java and building an Android app using it, I want to be able to determine how many switches are on but not sure how the best way to sum an array of switches. I currently have:
SS = new Switch[8];
SS[0] = getView().findViewById(R.id.switch1);
SS[1] = getView().findViewById(R.id.switch2);
SS[2] = getView().findViewById(R.id.switch3);
SS[3] = getView().findViewById(R.id.switch4);
SS[4] = getView().findViewById(R.id.switch5);
SS[5] = getView().findViewById(R.id.switch6);
SS[6] = getView().findViewById(R.id.switch7);
SS[7] = getView().findViewById(R.id.switch8);
submit = getView().findViewById(R.id.submitButton);
submit.setOnClickListener(new View.OnClickListener(){
public void onClick (View v) {
totalactive= IntStream.of(SS).sum();
with the array "SS" declared as a class global.
Thank you
java
android arrays java
android arrays asked Mar 21 at 20:37
AthosAthos
32
asked Mar 21 at 20:37
AthosAthos
32
asked Mar 21 at 20:37
AthosAthos
32
asked Mar 21 at 20:37
AthosAthos
32
asked Mar 21 at 20:37
AthosAthos
32
32
SS is not compatible with IntStream.of() -- how do you tell if a "Switch" is "on" or "off" - is there a method you can call?
– Not a JD
Mar 21 at 20:39
I was just messing with you buddy, don't mind me ;-)
– Taslim Oseni
Mar 21 at 20:59
I use an setOnCheckedChangeListener for each switch but want to limit how many they can turn on at one time.
– Athos
Mar 22 at 14:33
add a comment |
SS is not compatible with IntStream.of() -- how do you tell if a "Switch" is "on" or "off" - is there a method you can call?
– Not a JD
Mar 21 at 20:39
I was just messing with you buddy, don't mind me ;-)
– Taslim Oseni
Mar 21 at 20:59
I use an setOnCheckedChangeListener for each switch but want to limit how many they can turn on at one time.
– Athos
Mar 22 at 14:33
SS is not compatible with IntStream.of() -- how do you tell if a "Switch" is "on" or "off" - is there a method you can call?
– Not a JD
Mar 21 at 20:39
SS is not compatible with IntStream.of() -- how do you tell if a "Switch" is "on" or "off" - is there a method you can call?
– Not a JD
Mar 21 at 20:39
I was just messing with you buddy, don't mind me ;-)
– Taslim Oseni
Mar 21 at 20:59
I was just messing with you buddy, don't mind me ;-)
– Taslim Oseni
Mar 21 at 20:59
I use an setOnCheckedChangeListener for each switch but want to limit how many they can turn on at one time.
– Athos
Mar 22 at 14:33
I use an setOnCheckedChangeListener for each switch but want to limit how many they can turn on at one time.
– Athos
Mar 22 at 14:33
add a comment |
2 Answers
2
active
oldest
votes
Inside onClick use a for each loop:
totalactive = 0;
for (Switch s : SS)
if (s.isChecked()) totalactive++;
answered Mar 21 at 20:52
forpasforpas
19.3k4829
int total = SS.stream().filter(s -> s.isChecked).count();
– David Zimmerman
Mar 21 at 20:57
@DavidZimmerman array doesn't have stream() method, count() returnslong=)
– star67
Mar 21 at 20:58
long total = Arrays.stream(SS).filter(s -> s.isChecked).count();
– David Zimmerman
Mar 22 at 13:52
This solution worked great, thank you for the help everyone.
– Athos
Mar 22 at 14:39
add a comment |
All the answers so far are great! But then, you could also do it the old school way:
int totalactive = 0;
for(int i = 0; i < SS.length; i++)
if(SS[i].isChecked())
totalactive++;
//Here's your result:
Log.d("sumTotal", Integer.toString(totalactive));
I bet this is very easy to understand and relate to. I hope this helps. Merry coding!
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
This is very reminiscent of C and what I was about to fall back on but I went with the other simply because it looked cleaner. I am sure this works as well though, thank you for the advice.
– Athos
Mar 22 at 14:40
add a comment |
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2 Answers
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oldest
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2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Inside onClick use a for each loop:
totalactive = 0;
for (Switch s : SS)
if (s.isChecked()) totalactive++;
answered Mar 21 at 20:52
forpasforpas
19.3k4829
int total = SS.stream().filter(s -> s.isChecked).count();
– David Zimmerman
Mar 21 at 20:57
@DavidZimmerman array doesn't have stream() method, count() returnslong=)
– star67
Mar 21 at 20:58
long total = Arrays.stream(SS).filter(s -> s.isChecked).count();
– David Zimmerman
Mar 22 at 13:52
This solution worked great, thank you for the help everyone.
– Athos
Mar 22 at 14:39
add a comment |
Inside onClick use a for each loop:
totalactive = 0;
for (Switch s : SS)
if (s.isChecked()) totalactive++;
answered Mar 21 at 20:52
forpasforpas
19.3k4829
int total = SS.stream().filter(s -> s.isChecked).count();
– David Zimmerman
Mar 21 at 20:57
@DavidZimmerman array doesn't have stream() method, count() returnslong=)
– star67
Mar 21 at 20:58
long total = Arrays.stream(SS).filter(s -> s.isChecked).count();
– David Zimmerman
Mar 22 at 13:52
This solution worked great, thank you for the help everyone.
– Athos
Mar 22 at 14:39
add a comment |
Inside onClick use a for each loop:
totalactive = 0;
for (Switch s : SS)
if (s.isChecked()) totalactive++;
answered Mar 21 at 20:52
forpasforpas
19.3k4829
Inside onClick use a for each loop:
totalactive = 0;
for (Switch s : SS)
if (s.isChecked()) totalactive++;
answered Mar 21 at 20:52
forpasforpas
19.3k4829
answered Mar 21 at 20:52
forpasforpas
19.3k4829
answered Mar 21 at 20:52
forpasforpas
19.3k4829
answered Mar 21 at 20:52
forpasforpas
19.3k4829
19.3k4829
int total = SS.stream().filter(s -> s.isChecked).count();
– David Zimmerman
Mar 21 at 20:57
@DavidZimmerman array doesn't have stream() method, count() returnslong=)
– star67
Mar 21 at 20:58
long total = Arrays.stream(SS).filter(s -> s.isChecked).count();
– David Zimmerman
Mar 22 at 13:52
This solution worked great, thank you for the help everyone.
– Athos
Mar 22 at 14:39
add a comment |
int total = SS.stream().filter(s -> s.isChecked).count();
– David Zimmerman
Mar 21 at 20:57
@DavidZimmerman array doesn't have stream() method, count() returnslong=)
– star67
Mar 21 at 20:58
long total = Arrays.stream(SS).filter(s -> s.isChecked).count();
– David Zimmerman
Mar 22 at 13:52
This solution worked great, thank you for the help everyone.
– Athos
Mar 22 at 14:39
int total = SS.stream().filter(s -> s.isChecked).count();
– David Zimmerman
Mar 21 at 20:57
int total = SS.stream().filter(s -> s.isChecked).count();
– David Zimmerman
Mar 21 at 20:57
@DavidZimmerman array doesn't have stream() method, count() returns
long =)– star67
Mar 21 at 20:58
@DavidZimmerman array doesn't have stream() method, count() returns
long =)– star67
Mar 21 at 20:58
long total = Arrays.stream(SS).filter(s -> s.isChecked).count();
– David Zimmerman
Mar 22 at 13:52
long total = Arrays.stream(SS).filter(s -> s.isChecked).count();
– David Zimmerman
Mar 22 at 13:52
This solution worked great, thank you for the help everyone.
– Athos
Mar 22 at 14:39
This solution worked great, thank you for the help everyone.
– Athos
Mar 22 at 14:39
add a comment |
All the answers so far are great! But then, you could also do it the old school way:
int totalactive = 0;
for(int i = 0; i < SS.length; i++)
if(SS[i].isChecked())
totalactive++;
//Here's your result:
Log.d("sumTotal", Integer.toString(totalactive));
I bet this is very easy to understand and relate to. I hope this helps. Merry coding!
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
This is very reminiscent of C and what I was about to fall back on but I went with the other simply because it looked cleaner. I am sure this works as well though, thank you for the advice.
– Athos
Mar 22 at 14:40
add a comment |
All the answers so far are great! But then, you could also do it the old school way:
int totalactive = 0;
for(int i = 0; i < SS.length; i++)
if(SS[i].isChecked())
totalactive++;
//Here's your result:
Log.d("sumTotal", Integer.toString(totalactive));
I bet this is very easy to understand and relate to. I hope this helps. Merry coding!
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
This is very reminiscent of C and what I was about to fall back on but I went with the other simply because it looked cleaner. I am sure this works as well though, thank you for the advice.
– Athos
Mar 22 at 14:40
add a comment |
All the answers so far are great! But then, you could also do it the old school way:
int totalactive = 0;
for(int i = 0; i < SS.length; i++)
if(SS[i].isChecked())
totalactive++;
//Here's your result:
Log.d("sumTotal", Integer.toString(totalactive));
I bet this is very easy to understand and relate to. I hope this helps. Merry coding!
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
All the answers so far are great! But then, you could also do it the old school way:
int totalactive = 0;
for(int i = 0; i < SS.length; i++)
if(SS[i].isChecked())
totalactive++;
//Here's your result:
Log.d("sumTotal", Integer.toString(totalactive));
I bet this is very easy to understand and relate to. I hope this helps. Merry coding!
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
answered Mar 21 at 21:02
Taslim OseniTaslim Oseni
1
1
This is very reminiscent of C and what I was about to fall back on but I went with the other simply because it looked cleaner. I am sure this works as well though, thank you for the advice.
– Athos
Mar 22 at 14:40
add a comment |
This is very reminiscent of C and what I was about to fall back on but I went with the other simply because it looked cleaner. I am sure this works as well though, thank you for the advice.
– Athos
Mar 22 at 14:40
This is very reminiscent of C and what I was about to fall back on but I went with the other simply because it looked cleaner. I am sure this works as well though, thank you for the advice.
– Athos
Mar 22 at 14:40
This is very reminiscent of C and what I was about to fall back on but I went with the other simply because it looked cleaner. I am sure this works as well though, thank you for the advice.
– Athos
Mar 22 at 14:40
add a comment |
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SS is not compatible with IntStream.of() -- how do you tell if a "Switch" is "on" or "off" - is there a method you can call?
– Not a JD
Mar 21 at 20:39
I was just messing with you buddy, don't mind me ;-)
– Taslim Oseni
Mar 21 at 20:59
I use an setOnCheckedChangeListener for each switch but want to limit how many they can turn on at one time.
– Athos
Mar 22 at 14:33