---
# System prepended metadata

title: xCode
tags: [iOS, Swift]

---

# xCode
###### tags: `Swift` `iOS`
[TOC]

## Preferences
### Theme
![](https://i.imgur.com/OPGitkL.png =300x300)

![](https://i.imgur.com/qP3es27.png)

![](https://i.imgur.com/h8INdln.png)

### Text Editing
![](https://i.imgur.com/wmdAADu.png)

### Breakpoint
In xCode the breakpoint is displayed by blue arrows, that can be:
* Added by clicking on the left
* Deleted by dragging the arrow to the inside
![](https://i.imgur.com/qzHOq8M.png =350x150)



## Check Function
### How to use it
Alt + move mouse on the method will display what it is for and how to use it
![](https://i.imgur.com/5w4YDvw.png =400x300)

### Check method/ Usage Coverage
CMD + move mouse on the method.
![](https://i.imgur.com/Hlrrp0O.png =350x220)



## Quick Keys
### Window Display
CMD + + > Bigger
CMD + - > Smaller

### App Refresh and Build
CMD + R > Run
CMD + B > Build
SHIFT + CMD + K > Clean Build

### Function
OPTION + ESC > Check Parameters
ALT + Click Func > Check Function Usage Way

## 
### Double Decimals to 2 decimals
String(format: "%.2f", self.getArea())

## Notes
xCode does not need to import