LGAlertView 2.4.0

您想在Podfile中添加类似于以下的内容：`pod 'LGAlertView', '~> 2.4'`

target 'MyApp' do
  pod 'LGAlertView', '~> 2.4'
end

然后在您的终端中或从CocoaPods.app运行`pod install`

另外，为了测试运行，您可以运行以下命令

pod try LGAlertView

LGAlertView 2.4.0

作者：
Grigory Lutkov

UIAlertView、UIAlertView和UIActionSheet的可定制实现。全部集成。您可以定制每一处细节。_available your dream AlertView! :)

预览

默认Alert View样式

默认Action Sheet样式

自定义Alert View样式

自定义Action Sheet样式

安装

LGAlertView版本	iOS版本
<= 2.0.13	>= 6.0
>= 2.1.0	>= 8.0

包含源代码

下载仓库https://github.com/Friend-LGA/LGAlertView/archive/master.zip，然后将LGAlertView目录添加到您的项目中。

然后，将所需的头文件导入到您需要使用库的地方

Objective-C

#import "LGAlertView.h"

Swift

对于Swift，您需要创建桥接头文件

// BridgingHeader.h
#import "LGAlertView.h"

Podfile

platform :ios, '8.0'
use_frameworks!
pod 'LGAlertView'

然后，导入您需要使用库的地方所需框架

Objective-C

#import <LGAlertView/LGAlertView.h>
// OR
@import LGAlertView;

Swift

import LGAlertView

Cartfile

github "Friend-LGA/LGAlertView"

然后，导入您需要使用库的地方所需框架

Objective-C

#import <LGAlertView/LGAlertView.h>
// OR
@import LGAlertView;

Swift

import LGAlertView

用法

初始化

您有几种初始化方法

Objective-C

- (nonnull instancetype)initWithTitle:(nullable NSString *)title
                              message:(nullable NSString *)message
                                style:(LGAlertViewStyle)style
                         buttonTitles:(nullable NSArray<NSString *> *)buttonTitles
                    cancelButtonTitle:(nullable NSString *)cancelButtonTitle
               destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle;

- (nonnull instancetype)initWithViewAndTitle:(nullable NSString *)title
                                     message:(nullable NSString *)message
                                       style:(LGAlertViewStyle)style
                                        view:(nullable UIView *)view
                                buttonTitles:(nullable NSArray<NSString *> *)buttonTitles
                           cancelButtonTitle:(nullable NSString *)cancelButtonTitle
                      destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle;

- (nonnull instancetype)initWithActivityIndicatorAndTitle:(nullable NSString *)title
                                                  message:(nullable NSString *)message
                                                    style:(LGAlertViewStyle)style
                                             buttonTitles:(nullable NSArray<NSString *> *)buttonTitles
                                        cancelButtonTitle:(nullable NSString *)cancelButtonTitle
                                   destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle;

- (nonnull instancetype)initWithProgressViewAndTitle:(nullable NSString *)title
                                             message:(nullable NSString *)message
                                               style:(LGAlertViewStyle)style
                                   progressLabelText:(nullable NSString *)progressLabelText
                                        buttonTitles:(nullable NSArray<NSString *> *)buttonTitles
                                   cancelButtonTitle:(nullable NSString *)cancelButtonTitle
                              destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle;

- (nonnull instancetype)initWithTextFieldsAndTitle:(nullable NSString *)title
                                           message:(nullable NSString *)message
                                numberOfTextFields:(NSUInteger)numberOfTextFields
                            textFieldsSetupHandler:(LGAlertViewTextFieldsSetupHandler)textFieldsSetupHandler
                                      buttonTitles:(nullable NSArray<NSString *> *)buttonTitles
                                 cancelButtonTitle:(nullable NSString *)cancelButtonTitle
                            destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle;

Swift

public init(title: String?,
          message: String?,
            style: LGAlertViewStyle,
     buttonTitles: [String]?,
cancelButtonTitle: String?,
destructiveButtonTitle: String?)

public init(viewAndTitle title: String?,
                       message: String?,
                         style: LGAlertViewStyle,
                          view: UIView?,
                  buttonTitles: [String]?,
             cancelButtonTitle: String?,
        destructiveButtonTitle: String?)

public init(activityIndicatorAndTitle title: String?,
                                    message: String?,
                                      style: LGAlertViewStyle,
                               buttonTitles: [String]?,
                          cancelButtonTitle: String?,
                     destructiveButtonTitle: String?)

public init(progressViewAndTitle title: String?,
                               message: String?,
                                 style: LGAlertViewStyle,
                     progressLabelText: String?,
                          buttonTitles: [String]?,
                     cancelButtonTitle: String?,
                destructiveButtonTitle: String?)

public init(textFieldsAndTitle title: String?,
                             message: String?,
                  numberOfTextFields: UInt,
              textFieldsSetupHandler: LGAlertView.LGAlertViewTextFieldsSetupHandler?,
                        buttonTitles: [String]?,
                   cancelButtonTitle: String?,
              destructiveButtonTitle: String?)

更多初始化方法请见LGAlertView.h

设置

你只能在显示alert视图之前更改属性，之后更改将无法进行。

外观

而不是为每个新的alert视图更改属性，你可以使用appearance一次设置它们，并且新的alert视图将默认使用这些设置

Objective-C

[LGAlertView appearance].tintColor = UIColor.greenColor;
[LGAlertView appearance].cancelOnTouch = NO;
[LGAlertView appearance].dismissOnAction = NO;
[LGAlertView appearance]...
[LGAlertView appearance]...

Swift

LGAlertView.appearance().tintColor = .green
LGAlertView.appearance().cancelOnTouch = false
LGAlertView.appearance().dismissOnAction = false
LGAlertView.appearance()...
LGAlertView.appearance()...

按钮

如果你想为每个按钮单独设置属性，你可以使用该方法

Objective-C

- (void)setButtonPropertiesAtIndex:(NSUInteger)index handler:(void(^ _Nonnull)(LGAlertViewButtonProperties * _Nonnull properties))handler;

[alertView setButtonPropertiesAtIndex:0 handler:^(LGAlertViewButtonProperties * _Nonnull properties) {
    properties.titleColor = UIColor.yellowColor;
    properties.image = [UIImage imageNamed:@"SuperImage"];
    // properties...
    // properties...
}];

Swift

open func setButtonPropertiesAt(_ index: UInt, handler: @escaping (LGAlertViewButtonProperties) -> Swift.Void)

alertView.setButtonPropertiesAt(0) { (properties: LGAlertViewButtonProperties) in
    properties.titleColor = .yellow
    properties.image = UIImage(named: "SuperImage")
    // properties...
    // properties...
}

启用/禁用

你可以启用和禁用按钮

Objective-C

alertView.cancelButtonEnabled = YES;
alertView.destructiveButtonEnabled = YES;
[alertView setButtonEnabled:YES atIndex:0];

Swift

alertView.cancelButtonEnabled = true
alertView.destructiveButtonEnabled = true
alertView.setButtonEnabled(true, index: 0)

保留周期

当你使用代码块并在其中需要使用self时，你需要将self设置为弱引用以避免保留周期

Objective-C

__weak typeof(self) wself = self;

alertView.cancelHandler = ^(LGAlertView *alertView) {
    __strong typeof(wself) sself = wself;

    [sself someMethod];
};

Swift

alertView.cancelHandler = { [unowned self](alertView: LGAlertView) in
    self.someMethod()
}

模糊效果

你可以使用具有以下属性的UIBlurEffect

UIBlurEffect *coverBlurEffect;

例如

Objective-C

alertView.coverBlurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleRegular];

Swift

alertView.coverBlurEffect = UIBlurEffect(style: .regular)

如果你想更改模糊视图的颜色，使用

UIColor *coverColor;

例如

Objective-C

alertView.coverColor = [UIColor colorWithRed:0.0 green:0.5 blue:1.0 alpha:0.1];

Swift

alertView.coverColor = UIColor(red: 0.0, green: 0.5, blue: 1.0, alpha: 0.1)

如果你想更改模糊视图的强度，使用

CGFloat coverAlpha;

例如

alertView.coverAlpha = 0.9;

处理操作

要处理操作，你可以使用代码块、代理或通知

代理

Objective-C

<LGAlertViewDelegate>

@optional

- (void)alertViewWillShow:(nonnull LGAlertView *)alertView;
- (void)alertViewDidShow:(nonnull LGAlertView *)alertView;

- (void)alertViewWillDismiss:(nonnull LGAlertView *)alertView;
- (void)alertViewDidDismiss:(nonnull LGAlertView *)alertView;

- (void)alertView:(nonnull LGAlertView *)alertView clickedButtonAtIndex:(NSUInteger)index title:(nullable NSString *)title;
- (void)alertViewCancelled:(nonnull LGAlertView *)alertView;
- (void)alertViewDestructed:(nonnull LGAlertView *)alertView;

- (void)alertView:(nonnull LGAlertView *)alertView didDismissAfterClickedButtonAtIndex:(NSUInteger)index title:(nullable NSString *)title;
- (void)alertViewDidDismissAfterCancelled:(nonnull LGAlertView *)alertView;
- (void)alertViewDidDismissAfterDestructed:(nonnull LGAlertView *)alertView;

Swift

<LGAlertViewDelegate>

optional public func alertViewWillShow(_ alertView: LGAlertView)
optional public func alertViewDidShow(_ alertView: LGAlertView)

optional public func alertViewWillDismiss(_ alertView: LGAlertView)
optional public func alertViewDidDismiss(_ alertView: LGAlertView)

optional public func alertView(_ alertView: LGAlertView, clickedButtonAtIndex index: UInt, title: String?)
optional public func alertViewCancelled(_ alertView: LGAlertView)
optional public func alertViewDestructed(_ alertView: LGAlertView)

optional public func alertView(_ alertView: LGAlertView, didDismissAfterClickedButtonAtIndex index: UInt, title: String?)
optional public func alertViewDidDismissAfterCancelled(_ alertView: LGAlertView)
optional public func alertViewDidDismissAfterDestructed(_ alertView: LGAlertView)

代码块

Objective-C

void(^ _Nullable willShowHandler)(LGAlertView * _Nonnull alertView);

void(^ _Nullable willShowHandler)(LGAlertView * _Nonnull alertView);
void(^ _Nullable didShowHandler)(LGAlertView * _Nonnull alertView);

void(^ _Nullable willDismissHandler)(LGAlertView * _Nonnull alertView);
void(^ _Nullable didDismissHandler)(LGAlertView * _Nonnull alertView);

void(^ _Nullable actionHandler)(LGAlertView * _Nonnull alertView, NSUInteger index, NSString * _Nullable title);
void(^ _Nullable cancelHandler)(LGAlertView * _Nonnull alertView);
void(^ _Nullable destructiveHandler)(LGAlertView * _Nonnull alertView);

void(^ _Nullable didDismissAfterActionHandler)(LGAlertView * _Nonnull alertView, NSUInteger index, NSString * _Nullable title);
void(^ _Nullable didDismissAfterCancelHandler)(LGAlertView * _Nonnull alertView);
void(^ _Nullable didDismissAfterDestructiveHandler)(LGAlertView * _Nonnull alertView);

Swift

open var willShowHandler: ((alertView: LGAlertView) -> Swift.Void)?
open var didShowHandler: ((alertView: LGAlertView) -> Swift.Void)?

open var willDismissHandler: ((alertView: LGAlertView) -> Swift.Void)?
open var didDismissHandler: ((alertView: LGAlertView) -> Swift.Void)?

open var actionHandler: ((alertView: LGAlertView, index: NSUInteger, title: NSString) -> Swift.Void)?
open var cancelHandler: ((alertView: LGAlertView) -> Swift.Void)?
open var destructiveHandler: ((alertView: LGAlertView) -> Swift.Void)?

open var didDismissAfterActionHandler: ((alertView: LGAlertView, index: NSUInteger, title: NSString) -> Swift.Void)?
open var didDismissAfterCancelHandler: ((alertView: LGAlertView) -> Swift.Void)?
open var didDismissAfterDestructiveHandler: ((alertView: LGAlertView) -> Swift.Void)?

通知

LGAlertViewWillShowNotification
LGAlertViewDidShowNotification

LGAlertViewWillDismissNotification
LGAlertViewDidDismissNotification

LGAlertViewActionNotification
LGAlertViewCancelNotification
LGAlertViewDestructiveNotification

LGAlertViewDidDismissAfterActionNotification;
LGAlertViewDidDismissAfterCancelNotification;
LGAlertViewDidDismissAfterDestructiveNotification;

如需更多信息，请尝试Xcode中的演示项目并列出LGAlertView.h

框架

如果您喜欢LGAlertView，请查看我其他有用的库

LGSideMenuController iOS视图控制器，通过按按钮或手势显示左侧和右侧视图。
LGPlusButtonsView 可定制的iOS浮动操作按钮（Google Plus Button，fab）实现。

许可证

LGAlertView遵守MIT许可证发布。有关详细信息，请参阅LICENSE