通過code snippets,我們可以創(chuàng)建一些可重用的代碼塊,并且在任何需要的地方很容易的就可以使用這些代碼塊。
NSHipster - code snippets中有不少code sinppets鬼譬。
另外引有，我們可能常常需要轉(zhuǎn)移或者同步到別的電腦上，那么我們就需要知道這些Code Snippets存放的位置：
~/Library/Developer/Xcode/UserData/CodeSnippets
知道這些文件在哪，其他就好辦了蜂桶。
接下來記錄項(xiàng)目當(dāng)中常用的一些code snippets：
__strong self
- Title：
__strong self - Summary：
Declare strong reference to weak reference - Completion Shorcut：
_strong self - Completion Scopes：
Function or Method
__strong __typeof(<#weakSelf#>)strongSelf = <#weakSelf#>;
__weak self
- Title：
__weak self - Summary：
Declare weak reference to strong referencee - Completion Shorcut：
__weak self - Completion Scopes：
Function or Method
__weak __typeof(self) <#weakSelf#> = self;
Annotation
- Title：
Annotation Pandect - Summary：
注釋 - Completion Shorcut：
annotation - Completion Scopes：
All
/**
* <#annotation#>
*/
Warning
- Title：
Warning - Summary：
警告 - Completion Shorcut：
warn - Completion Scopes：
All
#warning mark - <#warning#>
Assign
- Title：
Assign Property - Summary：
declare assign property - Completion Shorcut：
@property assign - Completion Scopes：
Class Interface Methods
@property (nonatomic, assign) <#Object#> <#obj#>;
Readonly
- Title：
Readonly Property - Summary：
declare readonly property - Completion Shorcut：
@property readonly - Completion Scopes：
Class Interface Methods
@property (nonatomic, readonly) <#Object#> *<#obj#>;
Strong
- Title：
Strong Property - Summary：
declare strong property - Completion Shorcut：
@property strong - Completion Scopes：
Class Interface Methods
@property (nonatomic, strong) <#Object#> *<#obj#>;
Weak
- Title：
Weak Property - Summary：
declare weak property - Completion Shorcut：
@property weak - Completion Scopes：`Class Interface Methods
@property (nonatomic, weak) <#id#> <#obj#>;
Class Continuation
- Title：
Class Continuation - Summary：
Anonymous category to define private methods in an implementation - Completion Shorcut：
class continuation - Completion Scopes：
Top Level
@interface <#Class Name#> ()
<#Continuation#>
@end
dispatch_async
- Title：
dispatch_async Pattern for Background Processing - Summary：
Dispatch to do work in the background, and then to the main queue with the results - Completion Shorcut：
dispatch_async - Completion Scopes：
Function or Method
dispatch_async(dispatch_get_global_queue(<#dispatch_queue_priority_t priority#>, <#unsigned long flags#>), ^(void) {
<#code#>
dispatch_async(dispatch_get_main_queue(), ^(void) {
<#code#>
});
});
Documents Directory Path
- Title：
Documents Directory Path - Summary：
文件主路徑 - Completion Shorcut：
documents directory - Completion Scopes：
Function or Method
NSURL *documentsDirectoryURL = [NSURL fileURLWithPath:[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject]];
ImageView
- Title：
ImageView - Summary：
Create & Initialize UIImageView with Named Image - Completion Shorcut：
imageNamed - Completion Scopes：
Code Expression
[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"<#image name#>"]]
init
- Title：
init - Summary：
Designated incantation for your designated initializers - Completion Shorcut：
init self - Completion Scopes：
Function or Method
self = [super init];
if (!self) {
return nil;
}
<#initializations#>
return self;
NSCoding Protocol Methods
- Title：
NSCoding Protocol Methods - Summary：
Placeholders for NSCoding protocol methods - Completion Shorcut：
nscoding protocol - Completion Scopes：
Class Implementation
#pragma mark - NSCoding
- (instancetype)initWithCoder:(NSCoder *)decoder {
self = [super init];
if (!self) {
return nil;
}
<# implementation #>
return self;
}
- (void)encodeWithCoder:(NSCoder *)coder {
<# implementation #>
}
NSLocalizedString
- Title：
NSLocalizedString - Summary：
本地化 - Completion Shorcut：
local string - Completion Scopes：
Code Expression
NSLocalizedString(@"<#Message#>", <#Comment#>)
Pragma Mark
- Title：
Pragma Mark - Summary：
標(biāo)記 - Completion Shorcut：
mark - Completion Scopes：
Class Interface Methods、Class Implementation也切、Top Level
#pragma mark - <#mark#>
Remove Notification Observer
- Title：
Remove Notification Observer - Summary：
移除notification的觀察者 - Completion Shorcut：
remove observer - Completion Scopes：
Function or Method
[[NSNotificationCenter defaultCenter] removeObserver:self];
Set Frame
- Title：
Set Frame - Summary：
Initializes a view frame inside a code block - Completion Shorcut：
set view frame - Completion Scopes：
Function or Method
<# view #>.frame = ({
CGRect frame = <# view #>.frame;
<# ... #>
frame;
});
Shared Singleton
- Title：
Shared Singleton - Summary：
Class method that returns a singleton instance - Completion Shorcut：
shared singleton - Completion Scopes：
Class Implementation
+ (instancetype)shared<#name#> {
static <#class#> *_shared<#name#> = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
_shared<#name#> = <#initializer#>;
});
return _shared<#name#>;
}
Specta Test Case
- Title：
Specta Test Case - Summary：
declare a speca test case - Completion Shorcut：
test case - Completion Scopes：
Top level
describe(<#NSString *name#>, ^{
<#code#>
context(<#NSString *name#>, ^{
beforeEach(^{
<#code#>
});
it(<#NSString *name#>, ^{
<#code#>
});
});
});
String Format
- Title：
String Format - Completion Shorcut：
string format - Completion Scopes：
Function or Method
[NSString stringWithFormat:<#(nonnull NSString *), ...#>]
UIPickerViewDataSource
- Title：
UIPickerViewDataSource - Summary：
Placeholders for required UIPickerView datasource methods - Completion Shorcut：
picker view datasource - Completion Scopes：
Class Implementation
#pragma mark - UIPickerDataSource
- (NSInteger)pickerView:(UIPickerView *)pickerView
numberOfRowsInComponent:(NSInteger)component
{
return <#number#>
}
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
return <#number#>
}
UIPickerViewDelegate
- Title：
UIPickerViewDelegate - Summary：
Placeholders for required UIPickerView Delegate methods - Completion Shorcut：
picker view delegate - Completion Scopes：
Class Implementation
#pragma mark - UIPickerViewDelegate
- (NSString *)pickerView:(UIPickerView *)pickerView
titleForRow:(NSInteger)row
forComponent:(NSInteger)component
{
<#code#>
}
- (void)pickerView:(UIPickerView *)pickerView
didSelectRow:(NSInteger)row
inComponent:(NSInteger)component
{
<#code#>
}
UITableViewDataSource
- Title：
UITableViewDataSource - Summary：
Placeholders for required UITableViewDataSource delegate methods - Completion Shorcut：
table view datasource - Completion Scopes：
Class Implementation
#pragma mark - UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return <#number#>;
}
- (NSInteger)tableView:(UITableView *)tableView
numberOfRowsInSection:(NSInteger)section
{
return <#number#>;
}
- (UITableViewCell *)tableView:(UITableView *)tableView
cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:<#reuseIdentifier#> forIndexPath:<#indexPath#>];
[self configureCell:cell forRowAtIndexPath:indexPath];
return cell;
}
- (void)configureCell:(UITableViewCell *)cell
forRowAtIndexPath:(NSIndexPath *)indexPath
{
<#statements#>
}
UITableViewDelegate
- Title：
UITableViewDelegate - Summary：
Placeholders for required UITableViewDelegate protocol methods - Completion Shorcut：
table view didselect - Completion Scopes：
Class Implementation
#pragma mark - UITableViewDelegate
- (void)tableView:(UITableView *)tableView
didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
<#statements#>
}
