分享界面

来源：互联网发布：linux清空显存编辑：程序博客网时间：2024/05/17 00:58

#import <UIKit/UIKit.h>@class ButtonView;@class ShareActivityView;typedef void (^ButtonViewHandler)(ButtonView *buttonView);@interface ShareActivityView : UIView//背景颜色, 默认是透明度0.95的白色@property (nonatomic, strong) UIColor *bgColor;//标题@property (nonatomic, strong) UILabel *titleLabel;//取消按钮@property (nonatomic, strong) UIButton *cancelButton;//一行有多少个, 默认是4. iPhone竖屏不会多于4, 横屏不会多于6. ipad没试, 不建议ipad用这个.@property (nonatomic, assign) int numberOfButtonPerLine;//是否可以通过下滑手势关闭视图, 默认为YES@property (nonatomic, assign) BOOL useGesturer;//是否正在显示@property (nonatomic, getter = isShowing) BOOL show;//初始化- (id)initWithTitle:(NSString *)title referView:(UIView *)referView;//添加buttonView, HYActivityView会根据buttonView的数量自动变高, 但是没有对高度上限做过多处理，莫要丧心病狂的添加太多.- (void)addButtonView:(ButtonView *)buttonView;- (void)show;- (void)hide;@end@interface ButtonView : UIView@property (nonatomic, retain) UILabel *textLabel;@property (nonatomic, retain) UIButton *imageButton;@property (nonatomic, retain) ShareActivityView *activityView;- (id)initWithText:(NSString *)text image:(UIImage *)image handler:(ButtonViewHandler)handler;@end

#import "ShareActivityView.h"#define BUTTON_VIEW_SIDE 70.0f#define BUTTON_VIEW_FONT_SIZE 13.0f@interface ButtonView ()@property (nonatomic, copy) ButtonViewHandler handler;@end@implementation ButtonView- (id)initWithText:(NSString *)text image:(UIImage *)image handler:(ButtonViewHandler)handler{    self = [super init];    if (self) {        _handler = handler;        [self setup:text image:image];    }    return self;}- (void)setup:(NSString *)text image:(UIImage *)image{    _textLabel = [[UILabel alloc]init];    _textLabel.text = text;    _textLabel.backgroundColor = [UIColor clearColor];    _textLabel.font = [UIFont systemFontOfSize:BUTTON_VIEW_FONT_SIZE];    _textLabel.textAlignment = NSTextAlignmentCenter;    [self addSubview:_textLabel];        _imageButton = [UIButton buttonWithType:UIButtonTypeCustom];    [_imageButton setImage:image forState:UIControlStateNormal];    [_imageButton addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];    [self addSubview:_imageButton];    // don't know why ?    self.translatesAutoresizingMaskIntoConstraints = NO;    _textLabel.translatesAutoresizingMaskIntoConstraints = NO;    _imageButton.translatesAutoresizingMaskIntoConstraints = NO;        NSLayoutConstraint *constraint = nil;    NSDictionary *views = @{@"textLabel":_textLabel, @"imageButton":_imageButton};    NSArray *constraints = nil;    //view height    constraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1 constant:BUTTON_VIEW_SIDE];    [self addConstraint:constraint];    constraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1 constant:BUTTON_VIEW_SIDE];    [self addConstraint:constraint];    // label    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[textLabel]|" options:0 metrics:nil views:views];    [self addConstraints:constraints];    //imageView    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|-10-[imageButton(50)]-10-|" options:0 metrics:nil views:views];    [self addConstraints:constraints];    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|[imageButton(50)][textLabel]|" options:NSLayoutFormatAlignAllCenterX metrics:nil views:views];    [self addConstraints:constraints];}- (void)dealloc{    [_textLabel release];    [_handler release];    [super dealloc];}- (void)buttonClick:(UIButton *)button{    if (_handler) {        _handler(self);    }    if (_activityView) {        [_activityView hide];    }}@end#define ICON_VIEW_HEIGHT_SPACE 8#pragma mark  ShareActivityView@interface ShareActivityView ()@property (nonatomic, retain) NSString *title;//将要显示在该视图上@property (nonatomic, retain) UIView *referView;//内容窗口@property (nonatomic, retain) UIView *contentView;//透明的关闭按钮@property (nonatomic, retain) UIButton *closeButton;//按钮加载的view@property (nonatomic, retain) UIView *iconView;//button数组@property (nonatomic, retain) NSMutableArray *buttonArray;//行数@property (nonatomic, assign) int lines;//目前正在生效的numberOfButtonPerLine@property (nonatomic, assign) int workingNumberOfButtonPerLine;//按钮间的间隔大小@property (nonatomic, assign) CGFloat buttonSpace;//消失的时候移除@property (nonatomic, retain) NSLayoutConstraint *contentViewAndViewConstraint;//iconView高度的constraint@property (nonatomic, retain) NSLayoutConstraint *iconViewHeightConstraint;//buttonView的constraints@property (nonatomic, retain) NSMutableArray *buttonConstraintsArray;@end@implementation ShareActivityView- (void)dealloc{    [[NSNotificationCenter defaultCenter]removeObserver:self name:UIDeviceOrientationDidChangeNotification object:nil];    [_referView release];    [_contentView release];    [_titleLabel release];    [_iconView release];    [super dealloc];    }- (id)initWithTitle:(NSString *)title referView:(UIView *)referView{    self = [super init];    if (self) {        self.title = title;                if (referView) {            self.referView = referView;                    }                [self setup];                [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(deviceRotate:) name:UIDeviceOrientationDidChangeNotification object:nil];            }    return self;    }- (void)calculateButtonSpaceWithNumberOfButtonPerLine:(int)number{    self.buttonSpace = (self.referView.bounds.size.width - BUTTON_VIEW_SIDE * number) / (number + 1);        if (self.buttonSpace < 0) {        [self calculateButtonSpaceWithNumberOfButtonPerLine:4];            } else {        self.workingNumberOfButtonPerLine = number;            }    }- (void)setup{    self.buttonArray = [NSMutableArray array];    self.buttonConstraintsArray = [NSMutableArray array];    self.lines = 0;    self.numberOfButtonPerLine = 4;    self.useGesturer = YES;        self.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.3f];        self.contentView = [[UIView alloc]init];    self.bgColor = [UIColor colorWithRed:1 green:1 blue:1 alpha:0.95f];    [self addSubview:self.contentView];        self.closeButton = [UIButton buttonWithType:UIButtonTypeCustom];    [self.closeButton addTarget:self action:@selector(closeButtonClicked:) forControlEvents:UIControlEventTouchUpInside];    [self addSubview:self.closeButton];        self.titleLabel = [[UILabel alloc]init];    self.titleLabel.backgroundColor = [UIColor clearColor];    self.titleLabel.textAlignment = NSTextAlignmentCenter;    self.titleLabel.font = [UIFont systemFontOfSize:17.f];    self.titleLabel.text = self.title;    [self.contentView addSubview:self.titleLabel];        self.cancelButton = [UIButton buttonWithType:UIButtonTypeCustom];    [self.cancelButton setTitle:@"取 消" forState:UIControlStateNormal];    [self.cancelButton setTitleColor:[UIColor orangeColor] forState:UIControlStateNormal];    [self.cancelButton addTarget:self action:@selector(closeButtonClicked:) forControlEvents:UIControlEventTouchUpInside];    [self.contentView addSubview:self.cancelButton];        self.iconView = [[UIView alloc]init];    [self.contentView addSubview:self.iconView];        self.translatesAutoresizingMaskIntoConstraints = NO;    self.contentView.translatesAutoresizingMaskIntoConstraints = NO;    self.closeButton.translatesAutoresizingMaskIntoConstraints = NO;    self.titleLabel.translatesAutoresizingMaskIntoConstraints = NO;    self.cancelButton.translatesAutoresizingMaskIntoConstraints = NO;    self.iconView.translatesAutoresizingMaskIntoConstraints = NO;        [self setNeedsUpdateConstraints];        //添加下滑关闭手势    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipeHandler:)];    swipe.direction = UISwipeGestureRecognizerDirectionDown;    [self addGestureRecognizer:swipe];    }- (void)updateConstraints{    [super updateConstraints];        NSArray *constraints = nil;    NSLayoutConstraint *constraint = nil;    NSDictionary *views = @{@"contentView": self.contentView, @"closeButton": self.closeButton, @"titleLabel": self.titleLabel, @"cancelButton": self.cancelButton, @"iconView": self.iconView, @"view": self, @"referView": self.referView};        //view跟referView的宽高相等    constraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:self.referView attribute:NSLayoutAttributeWidth multiplier:1 constant:0];    [self.referView addConstraint:constraint];        constraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:self.referView attribute:NSLayoutAttributeHeight multiplier:1 constant:0];    [self.referView addConstraint:constraint];        constraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:self.referView attribute:NSLayoutAttributeLeading multiplier:1 constant:0];    [self.referView addConstraint:constraint];        constraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.referView attribute:NSLayoutAttributeTop multiplier:1 constant:0];    [self.referView addConstraint:constraint];        //closeButton跟view的左右挨着    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[closeButton]|" options:0 metrics:nil views:views];    [self addConstraints:constraints];        //contentView跟view的左右挨着    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[contentView]|" options:0 metrics:nil views:views];    [self addConstraints:constraints];        //垂直方向closeButton挨着contentView    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|[closeButton(==view@999)][contentView]" options:0 metrics:nil views:views];    [self addConstraints:constraints];        //titleLabel跟contentView左右挨着    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[titleLabel]|" options:0 metrics:nil views:views];    [self.contentView addConstraints:constraints];        //cancelButton跟contentView左右挨着    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[cancelButton]|" options:0 metrics:nil views:views];    [self.contentView addConstraints:constraints];        //iconView跟contentView左右挨着    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[iconView]|" options:0 metrics:nil views:views];    [self.contentView addConstraints:constraints];        //iconView的高度    if (self.iconViewHeightConstraint) {        [self.iconView removeConstraint:self.iconViewHeightConstraint];            }    self.iconViewHeightConstraint = [NSLayoutConstraint constraintWithItem:self.iconView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1 constant:self.lines * BUTTON_VIEW_SIDE + (self.lines + 1) * ICON_VIEW_HEIGHT_SPACE];    [self.iconView addConstraint:self.iconViewHeightConstraint];        //垂直方向titleLabel挨着iconView挨着cancelButton    constraints = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|-8-[titleLabel(==30)]-[iconView]-[cancelButton(==30)]-8-|" options:0 metrics:nil views:views];    [self.contentView addConstraints:constraints];            }- (void)prepareForShow{    //计算行数    int count = [self.buttonArray count];    self.lines = count / self.workingNumberOfButtonPerLine;    if (count % self.workingNumberOfButtonPerLine != 0) {        self.lines++;            }        for (int i = 0; i < [self.buttonArray count]; i++) {        ButtonView *buttonView = [self.buttonArray objectAtIndex:i];        [self.iconView addSubview:buttonView];                int y = i / self.workingNumberOfButtonPerLine;        int x = i % self.workingNumberOfButtonPerLine;                //排列buttonView的位置        NSLayoutConstraint *constraint = [NSLayoutConstraint constraintWithItem:buttonView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.iconView attribute:NSLayoutAttributeTop multiplier:1 constant:(y + 1) * ICON_VIEW_HEIGHT_SPACE + y * BUTTON_VIEW_SIDE];        [self.iconView addConstraint:constraint];        [self.buttonConstraintsArray addObject:constraint];                constraint = [NSLayoutConstraint constraintWithItem:buttonView attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:self.iconView attribute:NSLayoutAttributeLeading multiplier:1 constant:(x + 1) * self.buttonSpace + x * BUTTON_VIEW_SIDE];        [self.iconView addConstraint:constraint];        [self.buttonConstraintsArray addObject:constraint];            }        [self layoutIfNeeded];        }- (void)show{        if (self.isShowing) {        return;            }    [self.referView addSubview:self];    [self setNeedsUpdateConstraints];    self.alpha = 0;        [self prepareForShow];        self.contentViewAndViewConstraint = [NSLayoutConstraint constraintWithItem:self.contentView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeBottom multiplier:1 constant:0];    [self addConstraint:self.contentViewAndViewConstraint];        [UIView animateWithDuration:0.25f animations:^{        self.alpha = 1;        [self layoutIfNeeded];        self.show = YES;            }];    }- (void)hide{    if (!self.isShowing) {        return;            }        [UIView animateWithDuration:0.25f animations:^{        self.alpha = 0;        [self removeConstraint:self.contentViewAndViewConstraint];        self.contentViewAndViewConstraint = nil;        [self layoutIfNeeded];            } completion:^(BOOL finished) {        self.show = NO;        [self removeFromSuperview];            }];    }- (void)deviceRotate:(NSNotification *)notification{    [self.iconView removeConstraints:self.buttonConstraintsArray];    [self.buttonConstraintsArray removeAllObjects];        [self calculateButtonSpaceWithNumberOfButtonPerLine:self.numberOfButtonPerLine];    [self prepareForShow];        [self.iconView removeConstraint:self.iconViewHeightConstraint];    self.iconViewHeightConstraint = [NSLayoutConstraint constraintWithItem:self.iconView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1 constant:self.lines * BUTTON_VIEW_SIDE + (self.lines + 1) * ICON_VIEW_HEIGHT_SPACE];    [self.iconView addConstraint:self.iconViewHeightConstraint];    }- (void)setNumberOfButtonPerLine:(int)numberOfButtonPerLine{    _numberOfButtonPerLine = numberOfButtonPerLine;    [self calculateButtonSpaceWithNumberOfButtonPerLine:numberOfButtonPerLine];    }- (void)setBgColor:(UIColor *)bgColor{    _bgColor = bgColor;    self.contentView.backgroundColor = bgColor;    }- (void)addButtonView:(ButtonView *)buttonView{    [self.buttonArray addObject:buttonView];    buttonView.activityView = self;    }- (void)closeButtonClicked:(UIButton *)button{    [self hide];    }- (void)swipeHandler:(UISwipeGestureRecognizer *)swipe{    if (self.useGesturer) {        [self hide];            }    }@end

- (void)addButtonClicked:(UIButton *)button{    ButtonView *bv = [[ButtonView alloc]initWithText:@"新浪微博" image:[UIImage imageNamed:@"share_platform_sina"] handler:^(ButtonView *buttonView){        NSLog(@"点击新增的新浪微博");    }];    [self.activityView addButtonView:bv];}//链接- (void)linkButton:(UIButton *)button{    if (!self.activityView) {        self.activityView = [[ShareActivityView alloc]initWithTitle:@"分享到哪里" referView:self.view];                //横屏会变成一行6个, 竖屏无法一行同时显示6个, 会自动使用默认一行4个的设置.        self.activityView.numberOfButtonPerLine = 6;                ButtonView *bv = [[ButtonView alloc]initWithText:@"新浪微博" image:[UIImage imageNamed:@"share_platform_sina"] handler:^(ButtonView *buttonView){            NSLog(@"点击新浪微博");        }];        [self.activityView addButtonView:bv];                bv = [[ButtonView alloc]initWithText:@"Email" image:[UIImage imageNamed:@"share_platform_email"] handler:^(ButtonView *buttonView){            NSLog(@"点击Email");        }];        [self.activityView addButtonView:bv];                bv = [[ButtonView alloc]initWithText:@"印象笔记" image:[UIImage imageNamed:@"share_platform_evernote"] handler:^(ButtonView *buttonView){            NSLog(@"点击印象笔记");        }];        [self.activityView addButtonView:bv];                bv = [[ButtonView alloc]initWithText:@"QQ" image:[UIImage imageNamed:@"share_platform_qqfriends"] handler:^(ButtonView *buttonView){            NSLog(@"点击QQ");        }];        [self.activityView addButtonView:bv];                bv = [[ButtonView alloc]initWithText:@"微信" image:[UIImage imageNamed:@"share_platform_wechat"] handler:^(ButtonView *buttonView){            NSLog(@"点击微信");        }];        [self.activityView addButtonView:bv];                bv = [[ButtonView alloc]initWithText:@"微信圈" image:[UIImage imageNamed:@"share_platform_wechattimeline"] handler:^(ButtonView *buttonView){//            NSLog(@"添加");//            [self addButtonClicked:buttonView.imageButton];        }];        [self.activityView addButtonView:bv];    }    [self.activityView show];}

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