ios 以编程方式创建uiview？
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creating uiview programmatically?
提问by NoviceDeveloper
Creating a view with following code.
使用以下代码创建视图。
- (void)loadView {
paintView=[[UIView alloc]initWithFrame:CGRectMake(0, 50, 320, 430)];
[paintView setBackgroundColor:[UIColor yellowColor]];
self.view = paintView;
[paintView release];
But my problem is whole screen fills with yellow color, but I want with specified frame. I am creating this view in a view based application.. Am i doing something wrong, Overridind the original view?
但我的问题是整个屏幕都用黄色填充，但我想要指定的框架。我正在基于视图的应用程序中创建此视图..我做错了什么，覆盖原始视图？
回答by AechoLiu
You can do it in following way.
您可以通过以下方式进行。
- (void)loadView {
/// make a empty view to self.view
/// after calling [super loadView], self.view won't be nil anymore.
[super loadView];
paintView=[[UIView alloc]initWithFrame:CGRectMake(0, 50, 320, 430)];
[paintView setBackgroundColor:[UIColor yellowColor]];
[self.view addSubview:paintView];
[paintView release];
};
回答by Ravi
UIView *newView = [[UIView alloc] initWithFrame:CGRectMake(0,0,320,35)];
newView.backgroundColor=[UIColor clearColor];
UITextView *mytext = [[UITextView alloc] initWithFrame:CGRectMake(5.0, 0.0, 100.0, 28.0)];
mytext.backgroundColor = [UIColor clearColor];
mytext.textColor = [UIColor blackColor];
mytext.editable = NO;
mytext.font = [UIFont systemFontOfSize:15];
mytext.text = @"Mytext";
mytext.scrollEnabled=NO;
[mytext release];
[newView addSubview:mytext];
[self.view addSubview:newView];
回答by iCoder4777
replace self.view =paintView;by
替换self.view =paintView;为
[self.view addSubview: paintView];
回答by Aadil
I am Going change Line No 3 in LoadView Method , you should add the subView in main View instead on assiging it Directly.
我要更改 LoadView 方法中的第 3 行，您应该在主视图中添加子视图而不是直接分配它。
[self.view addSubview:paintview];
