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move the formatter in a separate class

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tibbi 2015-12-24 21:00:58 +01:00
parent eb40066bd2
commit 271bf692dd
2 changed files with 16 additions and 13 deletions
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14
app/src/main/java/calculator/simplemobiletools/com/simple_calculator/Formatter.java Normal file
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@ -0,0 +1,14 @@
package calculator.simplemobiletools.com.simple_calculator;
import java.text.DecimalFormat;
public class Formatter {
public static String doubleToString(double d) {
if (d == (long) d) {
return String.format("%d", (long) d);
} else {
final DecimalFormat formatter = new DecimalFormat("0.0#############");
return formatter.format(d);
}
}
}

15
app/src/main/java/calculator/simplemobiletools/com/simple_calculator/MainActivity.java
View file

@ -5,8 +5,6 @@ import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.TextView;
import java.text.DecimalFormat;
import butterknife.Bind;
import butterknife.ButterKnife;
import butterknife.OnClick;
@ -39,16 +37,7 @@ public class MainActivity extends AppCompatActivity {
private String getFormattedValue(String str) {
final double doubleValue = Double.parseDouble(str);
return formatDouble(doubleValue);
}
private String formatDouble(double d) {
if (d == (long) d) {
return String.format("%d", (long) d);
} else {
final DecimalFormat formatter = new DecimalFormat("0.0#############");
return formatter.format(d);
}
return Formatter.doubleToString(doubleValue);
}
private String getDisplayedNumber() {
@ -69,7 +58,7 @@ public class MainActivity extends AppCompatActivity {
private void addNumbers() {
final double resultValue = firstValue + secondValue;
result.setText(formatDouble(resultValue));
result.setText(Formatter.doubleToString(resultValue));
firstValue = resultValue;
}