嗨朋友我正在做相机应用程序.我需要测试应用程序,simulator但我无法访问 iOS simulator相机.对我的问题有任何帮助.如果不可能,simulator我需要访问我的系统相机.是否有可能?我尝试过图像视图控制器,但它不起作用.任何帮助将不胜感激.以下代码只有我试过..
self.imagePicker = [[UIImagePickerController alloc] init];
UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
self.usingPopover = YES;
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
sourceType = UIImagePickerControllerSourceTypeCamera;
self.usingPopover = NO;
}
[self.imagePicker setSourceType:sourceType];
self.imagePicker.allowsEditing = NO;
self.imagePicker.delegate = self;
if (sourceType != UIImagePickerControllerSourceTypeCamera) {
self.popover = [[UIPopoverController alloc] initWithContentViewController:self.imagePicker];
self.popover.delegate = self;
[self.popover presentPopoverFromRect:popoverFrame inView:self.view
permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
} else {
[self presentModalViewController:imagePicker animated:YES];
}
Run Code Online (Sandbox Code Playgroud) 在我的应用程序中,我添加了我的共享扩展程序,它工作正常,但我面临一个问题当我通过邀请应用程序时,UIActivityViewController我会显示我的应用程序扩展程序。如何隐藏我的应用程序扩展我自己的应用程序?
我有消息屏幕并实现tableviewcell显示消息的自定义.消息应该是text或者在image某些情况下我需要显示包含信息的框(参见图像发送者和接收者).它工作正常,但有时消息视图被切断(见图像信息).我用了很多stackViews来隐藏和显示一些观点.
我想将清除按钮颜色更改为白色。我尝试了很多方法,但没有运气。:(我还参考了以下链接。但它对我不起作用。
请在下面找到我尝试过的代码。我正在开发最新的 ios 11。感谢您的帮助。
class SearchBar: UISearchBar {
override init(frame: CGRect) {
super.init(frame: frame)
sharedInit()
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
sharedInit()
}
override func awakeFromNib() {
super.awakeFromNib()
sharedInit()
}
private func sharedInit() {
self.placeholder = "Search"
self.setTextColor(color: .white)
self.setTextFieldColor(color: UIColor.hexString("549C64"))
self.setPlaceholderTextColor(color: .white)
self.setSearchImageColor(color: .white)
self.setTextFieldClearButtonColor(color: .white)
if let textfield = self.value(forKey: "searchField") as? UITextField {
if let backgroundview = textfield.subviews.first {
backgroundview.layer.cornerRadius = 18.0;
backgroundview.clipsToBounds = true;
}
//textfield.frame = CGRect(x: self.frame.origin.x, y: self.frame.origin.y, width: …Run Code Online (Sandbox Code Playgroud) 我尝试将我的数据保存在本地存储中,setItem但是当我刷新 chrome 选项卡并将数据添加到我的阵列时,localStorage 中的数据会删除旧数据并设置新数据,而不是更新旧数据。
这是我的代码:
let capacity = 200;
let reservedRooms = 0;
let users = [];
let rsBox = document.getElementById('reservebox');
class Reserver {
constructor(name , lastName , nCode , rooms){
this.name = name ;
this.lastName = lastName ;
this.nCode = nCode ;
this.rooms = rooms ;
}
saveUser(){
if(this.rooms > capacity){
console.log('more than capacity');
}else{
users.push({
name : this.name ,
lastName : this.lastName ,
id : this.nCode ,
rooms : this.rooms
});
capacity -= this.rooms ;
reservedRooms …Run Code Online (Sandbox Code Playgroud) 我是iOS开发的初学者; 此代码在iOS 6中有效,但在iOS 7中无效...我的代码如下,我想在我的地址簿中添加联系人.我正在开发一个应用程序,我已经通过了很多链接,我有以下代码,但现在我被卡住了...
I have imported:
#import <AddressBook/AddressBook.h>
#import <AddressBookUI/AddressBookUI.h>
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ViewController.m 文件
ABAddressBookRef ab = ABAddressBookCreate();
// To add a new ab entry with telephone number
ABRecordRef newPerson = ABPersonCreate();
ABRecordSetValue(newPerson, kABPersonFirstNameProperty, (__bridge CFStringRef) nameFirststr, nil);
ABRecordSetValue(newPerson, kABPersonLastNameProperty, (__bridge CFStringRef)@"Jones", nil);
//phone
ABMutableMultiValueRef phoneNumberMultiValue = ABMultiValueCreateMutable(kABMultiStringPropertyType);
ABMultiValueAddValueAndLabel(phoneNumberMultiValue ,(__bridge CFStringRef)myphone,kABPersonPhoneMobileLabel, NULL);
ABRecordSetValue(newPerson, kABPersonPhoneProperty, phoneNumberMultiValue, nil);
// Adreess
ABMutableMultiValueRef multiAddress = ABMultiValueCreateMutable(kABMultiDictionaryPropertyType);
NSMutableDictionary *addressDictionary = [[NSMutableDictionary alloc] init];
if (Address)
{
if (Address)
addressDictionary[(NSString *) kABPersonAddressStreetKey] = [NSString stringWithFormat:@"%@\n%@", Address, Address]; …Run Code Online (Sandbox Code Playgroud) 我想绘制一个UIImageView椭圆形.我试图绘制,但我云找不到答案.我显示大部分圆形或圆形.
在这里输入链接描述
我试试这个,但这不起作用
#import <QuartzCore/QuartzCore.h>`
CALayer *imageLayer = YourImageview.layer;
[imageLayer setCornerRadius:5];
[imageLayer setBorderWidth:1];
[imageLayer setMasksToBounds:YES];
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