ActionsheetPicker是空白的
我让ActionSheetPicker在测试项目中工作，但是当我尝试将相同的代码粘贴到现有项目中时，我看到了：
我从他们的示例页面逐字sample code：
NSArray *colors = [NSArray arrayWithObjects:@"Red", @"Green", @"Blue", @"Orange", nil];
[ActionSheetStringPicker showPickerWithTitle:@"Select a Color"
rows:colors
initialSelection:0
doneBlock:nil
cancelBlock:nil
origin:sender];
有什么想法吗？
3 个答案:
答案 0 :(得分：2)
实际上iOS 8存在问题。之后的代码将在iOS 7中运行 UIActionSheet不是设计为子类，也不应该为其层次结构添加视图。如果您需要提供比UIActionSheet API提供的更多自定义的工作表，您可以创建自己的工作表并使用presentViewController以模态方式呈现它：animated：completion：
答案 1 :(得分：2)
UIActionSheet并非设计为子类。创建自己的操作表。
文件：CustomActionSheet.h
//
// CustomActionSheet.h
// CustomActionSheet
//
// Created by Ramesh Annadurai on 09/07/14.
// Copyright (c) 2014 Slingshots. All rights reserved.
//
#define SYSTEM_VERSION_LESS_THAN(version) ([[[UIDevice currentDevice] systemVersion] compare:version options:NSNumericSearch] == NSOrderedAscending)
#import <UIKit/UIKit.h>
#import "CustomActionSheetDelegate.h"
@interface CustomActionSheet : UIView
@property (strong, nonatomic) id<CustomActionSheetDelegate> delegate;
- (id) init;
- (void) addContentView:(UIView *) contentView;
- (void) showInView:(UIView *) theView;
- (void) rotateToCurrentOrientation;
@end
文件：CustomActionSheet.m
//
// CustomActionSheet.m
// CustomActionSheet
//
// Created by Ramesh Annadurai on 09/07/14.
// Copyright (c) 2014 Slingshots. All rights reserved.
//
#import "CustomActionSheet.h"
@interface CustomActionSheet ()
@property (readonly) UIView *transparentView;
@property (readonly) UIToolbar *toolBar;
@property (readonly) UIBarButtonItem *flexBarButtonItem, *doneBarButtonItem;
@property (strong, nonatomic) UIView *mContentView;
@property BOOL shouldCancelOnTouch, visible;
@end
@implementation CustomActionSheet
@synthesize transparentView = _transparentView, toolBar = _toolBar, flexBarButtonItem = _flexBarButtonItem, doneBarButtonItem = _doneBarButtonItem;
- (id) init
{
self = [super initWithFrame:CGRectMake(0, 0, CGRectGetWidth([[UIScreen mainScreen] bounds]), 0)];
if (self) {
self.shouldCancelOnTouch = YES;
UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissActionSheet)];
[singleTap setNumberOfTapsRequired:1];
[self.transparentView addGestureRecognizer:singleTap];
[self setBackgroundColor:[UIColor whiteColor]];
}
return self;
}
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
}
return self;
}
- (void) addContentView:(UIView *)contentView
{
[self.toolBar setItems:@[self.flexBarButtonItem, self.doneBarButtonItem]];
[self addSubview:self.toolBar];
if (contentView) {
float width;
UIInterfaceOrientation statusBarOrientation = [[UIApplication sharedApplication] statusBarOrientation];
CGRect screenRect = [[UIScreen mainScreen] bounds];
if (UIInterfaceOrientationIsPortrait(statusBarOrientation)) {
width = CGRectGetWidth(screenRect);
} else {
width = CGRectGetHeight(screenRect);
}
self.mContentView = contentView;
[self.mContentView setFrame:CGRectMake(0, CGRectGetHeight(self.toolBar.frame), width, CGRectGetHeight(self.mContentView.frame))];
NSLog(@"tool bar height : %f", CGRectGetHeight(self.toolBar.frame));
[self.mContentView setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
[self addSubview:self.mContentView];
self.shouldCancelOnTouch = NO;
}
}
- (void) showInView:(UIView *)theView
{
/*
* 1. Add the view (self) as sub view of the parent (theView) view.
* 2. Insert the transparent view to disable the parent view from the user intraction.
*/
[theView addSubview:self];
[theView insertSubview:self.transparentView belowSubview:self];
UIInterfaceOrientation statusBarOrientation = [[UIApplication sharedApplication] statusBarOrientation];
CGRect screenRect = [[UIScreen mainScreen] bounds];
float width, height, x;
width = height = x = 0;
if (UIInterfaceOrientationIsPortrait(statusBarOrientation)) {
width = CGRectGetWidth(screenRect);
height = CGRectGetHeight(screenRect);
} else {
width = CGRectGetHeight(screenRect);
height = CGRectGetWidth(screenRect);
}
[self.transparentView setFrame:CGRectMake(0, 0, width, height)];
[self.transparentView setCenter:CGPointMake(width / 2.0, height / 2.0)];
[self setCenter:CGPointMake(width / 2.0, height - CGRectGetHeight(self.frame) / 2.0)];
if (SYSTEM_VERSION_LESS_THAN(@"7.0")) {
[UIView animateWithDuration:0.2f
delay:0.0f
options:UIViewAnimationOptionCurveEaseOut
animations:^() {
[self.transparentView setAlpha:0.4f];
[self setCenter:CGPointMake(width / 2.0, (height - 20) - CGRectGetHeight(self.frame) / 2.0)];
[self setFrame:CGRectMake(0, 0, width, CGRectGetHeight(self.mContentView.frame) + CGRectGetHeight(self.toolBar.frame))]; // height -> content view height + toolbar height
} completion:^(BOOL finished) {
self.visible = YES;
}];
} else {
[UIView animateWithDuration:0.5f
delay:0
usingSpringWithDamping:0.6f
initialSpringVelocity:0
options:UIViewAnimationOptionCurveLinear
animations:^{
[self.transparentView setAlpha:0.4f];
[self setCenter:CGPointMake(width / 2.0, height - CGRectGetHeight(self.frame) / 2.0)];
[self setFrame:CGRectMake(0, 0, width, CGRectGetHeight(self.mContentView.frame) + CGRectGetHeight(self.toolBar.frame))]; // height -> content view height + toolbar height
} completion:^(BOOL finished) {
self.visible = YES;
}];
}
}
- (void) removeFromView {
if (self.shouldCancelOnTouch) {
if (SYSTEM_VERSION_LESS_THAN(@"7.0")) {
[UIView animateWithDuration:0.2f
delay:0.0f
options:UIViewAnimationOptionCurveEaseOut
animations:^() {
[self.transparentView setAlpha:0.0f];
self.center = CGPointMake(CGRectGetWidth(self.frame) / 2.0, CGRectGetHeight([UIScreen mainScreen].bounds) + CGRectGetHeight(self.frame) / 2.0);
} completion:^(BOOL finished) {
[self.transparentView removeFromSuperview];
[self removeFromSuperview];
self.visible = NO;
}];
} else {
[UIView animateWithDuration:0.5f
delay:0
usingSpringWithDamping:0.6f
initialSpringVelocity:0
options:UIViewAnimationOptionCurveLinear
animations:^{
[self.transparentView setAlpha:0.0f];
self.center = CGPointMake(CGRectGetWidth(self.frame) / 2.0, CGRectGetHeight([UIScreen mainScreen].bounds) + CGRectGetHeight(self.frame) / 2.0);
} completion:^(BOOL finished) {
[self.transparentView removeFromSuperview];
[self removeFromSuperview];
self.visible = NO;
}];
}
}
}
-(void) dismissActionSheet
{
[self removeFromView];
}
#pragma mark - UI Elements
- (UIView *) transparentView
{
if (!_transparentView) {
_transparentView = [UIView new];
[_transparentView setBackgroundColor:[UIColor blackColor]];
[_transparentView setAlpha:0.0f];
}
return _transparentView;
}
- (UIToolbar *)toolBar
{
if (!_toolBar) {
_toolBar = [UIToolbar new];
[_toolBar setBarStyle:UIBarStyleBlack];
[_toolBar setTranslucent:YES];
[_toolBar setTintColor:nil];
[_toolBar setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
[_toolBar sizeToFit];
}
return _toolBar;
}
- (UIBarButtonItem *) flexBarButtonItem
{
if (!_flexBarButtonItem) {
_flexBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:nil];
}
return _flexBarButtonItem;
}
- (UIBarButtonItem *) doneBarButtonItem
{
if (!_doneBarButtonItem) {
_doneBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStyleDone target:self action:@selector(doneButtonAction:)];
}
return _doneBarButtonItem;
}
#pragma mark - Auto Layout Constraints
#pragma mark - Button Action Methods
- (void) doneButtonAction:(id) sender
{
self.shouldCancelOnTouch = YES;
[self dismissActionSheet];
if ([self.delegate respondsToSelector:@selector(CustomActionSheetDoneWithUserInfo:)]) {
NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
[userInfo setValue:self forKey:@"actionSheet"];
[self.delegate performSelector:@selector(CustomActionSheetDoneWithUserInfo:) withObject:userInfo];
}
}
#pragma mark - Gesture Recognizer
#pragma mark - Other Methods
-(void) rotateToCurrentOrientation
{
UIInterfaceOrientation statusBarOrientation = [[UIApplication sharedApplication] statusBarOrientation];
CGRect screenRect = [[UIScreen mainScreen] bounds];
float width, height, x;
width = height = x = 0;
if (UIInterfaceOrientationIsPortrait(statusBarOrientation)) {
width = CGRectGetWidth(screenRect);
height = CGRectGetHeight(screenRect);
} else {
width = CGRectGetHeight(screenRect);
height = CGRectGetWidth(screenRect);
}
[self.transparentView setFrame:CGRectMake(0, 0, width, height)];
[self.transparentView setCenter:CGPointMake(width / 2.0, height / 2.0)];
if (SYSTEM_VERSION_LESS_THAN(@"7.0")) {
[self setFrame:CGRectMake(0, 0, width, CGRectGetHeight(self.mContentView.frame) + CGRectGetHeight(self.toolBar.frame))]; // height -> content view height + toolbar height
[self setCenter:CGPointMake(width / 2.0, (height - 20) - CGRectGetHeight(self.frame) / 2.0)];
} else {
[self setFrame:CGRectMake(0, 0, width, CGRectGetHeight(self.mContentView.frame) + CGRectGetHeight(self.toolBar.frame))]; // height -> content view height + toolbar height
[self setCenter:CGPointMake(width / 2.0, height - CGRectGetHeight(self.frame) / 2.0)];
}
//[self.mContentView setFrame:CGRectMake(0, CGRectGetHeight(self.toolBar.frame), width, CGRectGetHeight(self.mContentView.frame))];
[self.toolBar setFrame:CGRectMake(0, 0, width, 44)];
}
#pragma mark - Drawing Methods
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect
{
// Drawing code
}
*/
@end
文件：CustomActionSheetDelegate.h
//
// CustomActionSheetDelegate.h
// CustomActionSheetDelegate
//
// Created by Ramesh Annadurai on 10/07/14.
// Copyright (c) 2014 Slingshots. All rights reserved.
//
#import <Foundation/Foundation.h>
@protocol CustomActionSheetDelegate <NSObject>
@optional
- (void) CustomActionSheetDoneWithUserInfo:(NSDictionary *) userInfo;
@end
最后在视图控制器中使用此自定义操作表（即在按钮操作中）。将您的选择器视图添加为innerView
的子视图UIInterfaceOrientation statusBarOrientation = [[UIApplication sharedApplication] statusBarOrientation];
CGRect screenRect = [[UIScreen mainScreen] bounds];
float width = 0;
if (UIInterfaceOrientationIsPortrait(statusBarOrientation)) {
width = CGRectGetWidth(screenRect);
} else {
width = CGRectGetHeight(screenRect);
}
CustomActionSheet *actionSheet = [[CustomActionSheet alloc] init];
UIView *innerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, width, 216)];
[innerView setBackgroundColor:[UIColor greenColor]];
[innerView setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
[actionSheet setDelegate:self];
[actionSheet addContentView:innerView];
[innerView addSubview:self.colorsPickerView]; // Added your picker view here
[self.actionSheet showInView:self.view];
添加委托方法以查看控制器。关闭操作表时，将调用以下委托方法。
- (void) CustomActionSheetDoneWithUserInfo:(NSDictionary *)userInfo
{
NSLog(@"i am in delegate method of CustomAction sheet");
}
根据您的要求自定义上述代码。
答案 2 :(得分：0)
这有点傻，但我使用的是ActionSheetPicker的过时版本。您希望确保从https://github.com/skywinder/ActionSheetPicker-3.0下载分支。
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