I try to set the frame of a UITableView to (190,0,610,768) in landscape mode. The frame parameters are correctly set but display is not correct.
To contrast the result, I added a UIlabel with same frame to the bottom:
CGRect frame = CGRectMake(190, 0, 610, 768);
UILabel *lbtb = [[UILabel alloc] initWithFrame:frame];
lbtb.backgroundColor = [UIColor cyanColor];
lbtb.text = #"";
[self.view addSubview:lbtb];
dishMenuVC = [[DishMenuViewController alloc] init] ;
dishMenuVC.view.frame = frame;
dishMenuVC.view.backgroundColor = [UIColor redColor];
dishMenuVC.view.alpha = 0.5;
[self.view addSubview:dishMenuVC.view];
I found a workaround to this problem by creating a container UIView with my intended frame and add the tableview to its subview.
Related
I have two views in my program. One is statusView, it's alpha is set to 0.8f. And below it is tableView. How do I disable statusView such way, that clicking on it would not click tableView. Settings userInteractionEnabled = false; didn't help.
Here is how i add views.
[self.view addSubview:_builded.view]; // obj with my tableView
info = [[Info alloc] init];
[self.view addSubview:info.view]; // statusView
If you add a subview like the following, the tableView underneath would not catch the user interaction.
UITableView *testTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)];
testTableView.delegate = self;
testTableView.dataSource = self;
[self.view addSubview:testTableView];
UIView *statusView = [[UIView alloc] initWithFrame:CGRectMake(20, 20, 200, 200)];
statusView.backgroundColor = [UIColor redColor];
statusView.alpha = 0.8;
[self.view addSubview:statusView];
I am trying to get a UITextView's layer's shadow to work in a UITableView header. I have a UIView that I am formatting everything in, and then setting the headerview equal to it.
UIView * view = [[UIView alloc] initWithFrame: CGRectMake(0, 0, self.tableView.frame.size.width, 450);
UIColor * baseColor = [[UIColor alloc] initWithRed: 45/255.0
green: 100/255.0
blue: 150/255.0
alpha: 1.0];
view.backgroundColor = baseColor;
...
UITextView * newCommentField = [[UITextView alloc] initWithFrame:CGRectMake(20, 230, 270, 120)];
newCommentField.text = #"New Comment";
newCommentField.tag = 3;
newCommentField.layer.shadowOffset = CGSizeMake(0, 3);
newCommentField.layer.shadowRadius = 5.0;
newCommentField.layer.shadowColor = [UIColor blackColor].CGColor;
newCommentField.layer.shadowOpacity = 0.8;
[view addSubview:newCommentField];
...
self.tableView.tableHeaderView = view;
Everything shows up properly in the view. However, the shadow is not appearing. I don't know what is going wrong here. I have even tried modifying the layer's frame and making it the size of the comment field, bigger and the same size.
You're not setting background color for newCommentField.
Try:
newCommentField.backgroundColor = [UIColor whiteColor];
You can do it this way also... Create a view (eg. bgView) of same size as your textView and add that textView as a subView of bgView, which will be added as subView of you header view. Apply the shadow effect to the bgView instead.
UIView *bgView=[[UIView alloc]initWithFrame:CGRectMake(20, 230, 270, 120)];
bgView.backgroundColor=[UIColor whiteColor];
bgView.layer.shadowOffset = CGSizeMake(0, 3);
bgView.layer.shadowRadius = 5.0;
bgView.layer.shadowColor = [UIColor blackColor].CGColor;
bgView.layer.shadowOpacity = 0.8;
[bgView addSubview:newCommentField];
[view addSubview:bgView];
I want to disable vertical scrolling from my UIScrollView if possible.. My code is like below.. Working fine except users can scroll up and down which shouldn't be there I believe.. Thanks in advance..
UIScrollView *scroll = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 100, self.view.frame.size.width, self.view.frame.size.height / 3)];
scroll.contentSize = CGSizeMake(scroll.contentSize.width,scroll.frame.size.height);
scroll.pagingEnabled = YES;
scroll.backgroundColor = [UIColor blackColor];
int xVal = 30;
NSInteger numberOfViews = 5;
for (int i = 0; i < numberOfViews; i++) {
UILabel *testLabel1 = [[UILabel alloc] initWithFrame:CGRectMake(xVal, 0, 90, 100)];
UILabel *testLabel2 = [[UILabel alloc] initWithFrame:CGRectMake(xVal, 20, 90, 100)];
UILabel *testLabel3 = [[UILabel alloc] initWithFrame:CGRectMake(xVal, 40, 90, 100)];
testLabel2.backgroundColor = [UIColor clearColor];
testLabel2.text =#"Test1";
testLabel2.textColor = [UIColor whiteColor];
testLabel2.font = [UIFont boldSystemFontOfSize:12];
testLabel1.backgroundColor = [UIColor clearColor];
testLabel1.text =#"Test2";
testLabel1.textColor = [UIColor whiteColor];
testLabel1.font = [UIFont boldSystemFontOfSize:12];
testLabel3.backgroundColor = [UIColor clearColor];
testLabel3.text =#"Test3";
testLabel3.textColor = [UIColor whiteColor];
testLabel3.font = [UIFont boldSystemFontOfSize:12];
xVal += 120;
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(xVal, 30, 150, 130)];
view.backgroundColor = [UIColor blackColor];
xVal += 200;
[scroll addSubview:testLabel1];
[scroll addSubview:testLabel2];
[scroll addSubview:testLabel3];
[scroll addSubview:view];
}
[self.view addSubview:scroll];
In my situation, I was unable to get the height of the scrollview (due to autolayout, I wasn't able to get the height in viewDidLoad). You can add this to the delegate method.
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
self.scrollView.contentOffset = CGPointMake(self.scrollView.contentOffset.x, 0);
}
you must set your scrollview content height to the scroll view height
CGSize scrollableSize = CGSizeMake(scrollableWidth, yourScrollViewHeight);
[myScrollView setContentSize:scrollableSize];
Here may be a possible duplicate
disabling vertical scrolling in UIScrollView
or you can also try this:
self.scrollview.contentSize = CGSizeMake(self.scrollview.frame.size.width * number_of_items, 1);
Assuming it's an iPhone app, so the screen resolution is 320×480 .
Now you are setting your scroll view's height as self.view.frame.size.height / 3 .
Here your view's height is actually taken as 460 and not 480 (20px for staus bar).
So when you add the other view as subview to your scroll view, its frame goes out of the scroll's content view. So you need to manage this while setting your frames/content size.
Let me know if this works for you.
There is no problem with that simply change the contentSize of your UIScrollView and you are done.Increase its width size and its height should be as it is at present.Moreover you can also hide the vertical scrollers also.
scroll.showsVerticalScrollIndicator = NO;
scroll.contentSize = CGSizeMake(scroll.contentSize.width + xVal,scroll.frame.size.height);
You should do like this:
aScrollView.scrollsToTop = NO;
aScrollView.delegate = self;
aScrollView.contentSize = CGSizeMake(aScrollView.frame.size.width * X, aScrollView.frame.size.height/2);
In your xml file there are two properties are available for scrollview are horizontal scroll and vertical scroll. as per your requirement you can check or uncheck and if you want to stop vertical or horizontal scroll then you have to make same content size of scrollview with height or width of scrollview respectively
Ok, so i got a scrollview to load when an user logs in to my application. When the user is authenticated, i need to create a scrollview programmatically. To do so, i have the following code:
[scrollView removeFromSuperview];
UIScrollView *view = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, applicationFrame.size.width, self.view.frame.size.height)];
view.backgroundColor = [UIColor greenColor];
//-- get the y-coordinate of the view
CGFloat viewCenterY = self.view.center.y;
//--calculate how much visible space is left
CGFloat freeSpaceHeight = applicationFrame.size.height - keyboardBounds.size.height;
//-- calculate how much the scrollview must scroll
CGFloat scrollAmount = viewCenterY - freeSpaceHeight / 2.0;
if(scrollAmount < 0) scrollAmount = 0;
//set the new scrollsize contentview
view.contentSize = CGSizeMake(applicationFrame.size.width, applicationFrame.size.height + keyboardBounds.size.height);
//scroll the scrollview
[view setContentOffset:CGPointMake(0, scrollAmount) animated:YES];
for(int v = 0; v < 15; v++){
CGFloat yCoord = v * 100;
UILabel *mijnLabel = [[UILabel alloc] initWithFrame:CGRectMake(50, yCoord, 200, 50)];
mijnLabel.text = #"1337";
mijnLabel.font = [UIFont fontWithName:#"Verdana" size:20];
mijnLabel.textColor = [UIColor redColor];
[view addSubview:mijnLabel];
[mijnLabel release];
}
[self.view addSubview:view];
[view release];
}
How do i extend my view according to the amount of labels i added? I also want to know how i can make my scrollview fill up the entire screen.. My scrollview is now only filling up the screen when in portrait mode.
This is the login screen that gets removed:
[scrollView removeFromSuperview];
you need to keep track of numbers of label that you are adding into the scroll view. suppose if your label's height is 50 then take a variable and make a total of all label's height and give a new frame to your scroll view. like :
view.frame = CGRectmake(0,0,applicationFrame.size.width,totalHeightOfLabel);
[self.view addSubview:view];
[view release];
hope this will give a idea...
I am trying to show into the header of my UITableViewController a title and under it an image illustrating the title. The next code (written into the viewDidLoad method) shows only the image, and this image over the rest of the table sections. How I can fix it to do what I want?
// Creates a header view.
UIView *containerView = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 300, 60)] autorelease];
UILabel *headerLabel = [[[UILabel alloc] initWithFrame:CGRectMake(10, 20, 300, 40)] autorelease];
headerLabel.text = self.name;
headerLabel.textColor = [UIColor blackColor];
headerLabel.font = [UIFont boldSystemFontOfSize:16];
headerLabel.backgroundColor = [UIColor clearColor];
GRect imageRect = CGRectMake(0.0f, 0.0f, 320.0f, 109.0f);
UIImageView *headerImage = [[UIImageView alloc] initWithFrame:imageRect];
UIImage *image = [UIImage imageNamed:self.imagePath];
[headerImage setImage:image];
headerImage.opaque = YES;
[containerView addSubview:headerLabel];
[containerView addSubview:headerImage];
self.tableView.tableHeaderView = containerView;
Thanks for reading.
Just adjust the views' frames accordingly. The container view's frame must be tall enough to contain the label and image view, and the image view's y coordinate must be set so that it is positioned below the label. The frame rects you are using in your code do not match.