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Simple-Calculator
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change operation constants to strings

This commit is contained in:
tibbi 2015-12-30 15:35:50 +01:00
parent 920b8f87a6
commit 1969300620
3 changed files with 23 additions and 23 deletions
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24
app/src/main/java/calculator/simplemobiletools/com/simple_calculator/CalculatorImpl.java
View File

@ -6,8 +6,8 @@ public class CalculatorImpl {
private double baseValue;
private double secondValue;
private boolean resetValue;
private int lastKey;
private int lastOperation;
private String lastKey;
private String lastOperation;
private Calculator callback;
public CalculatorImpl(Calculator calculatorInterface) {
@ -26,12 +26,12 @@ public class CalculatorImpl {
baseValue = 0;
secondValue = 0;
resetValue = false;
lastKey = 0;
lastOperation = 0;
lastKey = "";
lastOperation = "";
callback.setValue("0");
}
public void setLastKey(int lastKey) {
public void setLastKey(String lastKey) {
this.lastKey = lastKey;
}
@ -116,18 +116,18 @@ public class CalculatorImpl {
updateResult(resultValue);
}
public void handleOperation(int operation) {
if (lastKey == operation)
public void handleOperation(String operation) {
if (lastKey.equals(operation))
return;
if (lastKey == Constants.DIGIT)
if (lastKey.equals(Constants.DIGIT))
handleResult();
resetValue = true;
lastKey = operation;
lastOperation = operation;
if (operation == Constants.ROOT)
if (operation.equals(Constants.ROOT))
calculateResult();
}
@ -156,10 +156,10 @@ public class CalculatorImpl {
}
public void handleEquals() {
if (lastKey == Constants.EQUALS)
if (lastKey.equals(Constants.EQUALS))
calculateResult();
if (lastKey != Constants.DIGIT)
if (!lastKey.equals(Constants.DIGIT))
return;
secondValue = getDisplayedNumberAsDouble();
@ -182,7 +182,7 @@ public class CalculatorImpl {
}
public void numpadClicked(View view) {
if (lastKey == Constants.EQUALS)
if (lastKey.equals(Constants.EQUALS))
lastOperation = Constants.EQUALS;
lastKey = Constants.DIGIT;
resetValueIfNeeded();

18
app/src/main/java/calculator/simplemobiletools/com/simple_calculator/Constants.java
View File

@ -1,13 +1,13 @@
package calculator.simplemobiletools.com.simple_calculator;
public class Constants {
public static final int DIGIT = 0;
public static final int EQUALS = 1;
public static final int PLUS = 2;
public static final int MINUS = 3;
public static final int MULTIPLY = 4;
public static final int DIVIDE = 5;
public static final int MODULO = 6;
public static final int POWER = 7;
public static final int ROOT = 8;
public static final String DIGIT = "digit";
public static final String EQUALS = "equals";
public static final String PLUS = "plus";
public static final String MINUS = "minus";
public static final String MULTIPLY = "multiply";
public static final String DIVIDE = "divide";
public static final String MODULO = "modulo";
public static final String POWER = "power";
public static final String ROOT = "root";
}

4
app/src/test/java/calculator/simplemobiletools/com/simple_calculator/MainActivityTest.java
View File

@ -148,11 +148,11 @@ public class MainActivityTest {
activity.setValueDouble(d);
}
private void handleOperation(int operation) {
private void handleOperation(String operation) {
activity.getCalc().handleOperation(operation);
}
private String calcResult(double baseValue, int operation, double secondValue) {
private String calcResult(double baseValue, String operation, double secondValue) {
setDouble(baseValue);
handleOperation(operation);
setDouble(secondValue);