Haz*_*zel 5 width uipickerview uitoolbar ios uialertcontroller
我想获取UIAlertController框架的宽度,以便可以指定UIAlertController随附的UIPickerView和UIToolbar的宽度。
我尝试使用以下语句获取宽度。
alertPicker.view.frame.size.width
但是,宽度与viewController的宽度相同:
self.view.frame.size.width
有什么想法可以获取UIAlertController的宽度吗?非常感谢。
这是我的代码。
UIAlertController *alertPicker = [UIAlertController alertControllerWithTitle:nil message:@"\n\n\n\n\n\n\n\n\n\n\n\n" preferredStyle:UIAlertControllerStyleActionSheet];
CGRect pickerFrame = CGRectMake(8, 0, alertPicker.view.frame.size.width, self.view.frame.size.height/2);
UIPickerView *pickerView = [[UIPickerView alloc] initWithFrame:pickerFrame];
pickerView.showsSelectionIndicator = YES;
pickerView.dataSource = self;
pickerView.delegate = self;
UIToolbar* pickerToolbar = [[UIToolbar alloc] initWithFrame: CGRectMake(2, 0, alertPicker.view.frame.size.width, 44)];
UIBarButtonItem *doneBtn = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStylePlain target:self action:@selector(doneBtnisClicked:)];
UIBarButtonItem *flexSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
pickerToolbar.items = [[NSArray alloc] initWithObjects:flexSpace,doneBtn,nil];
[alertPicker.view addSubview:pickerToolbar];
[alertPicker.view addSubview:pickerView];
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