Summary of common UI Methods --- uinavigationcontroller (continuously updating)

Uinavigationcontroller: Uiviewcontroller

1. Create a uinavigationcontroller object

Uinavigationcontroller * navcv = [[uinavigationcontrolleralloc] initwithrootviewcontroller: mainvc];

Normally

Self. Window. rootviewcontroller = navcv;

Used

2.-(void) pushviewcontroller :( uiviewcontroller *) viewcontroller animated :( bool) animated;

Launch the second page

Eg: [self. navigationcontrollerpushviewcontroller: secondvc animated: Yes];

3.-(uiviewcontroller *) popviewcontrolleranimated :( bool) animated;

Back to previous view

Eg: [self. navigationcontrollerpopviewcontrolleranimated: Yes];

4.-(nsarray *) poptoviewcontroller :( uiviewcontroller *) viewcontroller animated :( bool) animated;

Returns the specified view.

Eg: Get the stack of viewcontroller

Uiviewcontroller * viewc = [self. navigationcontroller. viewcontrollersobjectatindex: 0];

[Self. navigationcontroller poptoviewcontroller: viewc animated: Yes];

5.-(nsarray *) poptorootviewcontrolleranimated :( bool) animated;

Back to Root View

Eg: [self. navigationcontrollerpoptorootviewcontrolleranimated: Yes];

Uinavigationitem: Nsobject <nscoding>

Content of each page to be displayed on the navigation bar (title, button information on both sides)

1. rightbarbuttonitem

Create button on the right of the navigation bar

Parameter 1: select an icon provided by the system

Eg: Self. navigationitem. rightbarbuttonitem = [[[uibarbuttonitem alloc] initwithbarbuttonsystemitem: uibarbuttonsystemitemrefresh target: Self action: @ selector (Button :)] orautelease];

2. leftbarbuttonitem

Create button on the left of the navigation bar

Eg: Self. navigationitem. leftbarbuttonitem = [[[uibarbuttonitem alloc] initwithimage: [uiimage imagenamed: @ "iconfont-yinle.png"] style: uibarbuttonitemstyleplain target: Self action: @ selector (Button :)] autorelease];

3. hidesbackbutton

Hide the return button

Eg: Self. navigationitem. hidesbackbutton = yes;

4. titleview

Title settings

Eg: Self. navigationitem. titleview = [[[uisegmentedcontrolalloc] initwithitems: @ [@ "111", @ "222"] autorelease];

Uinavigationbar

1. translucent

Transparent or not

Eg: Self. navigationcontroller. navigationbar. translucent = yes;

2. bartintcolor

The color of bar. For example, self. navigationcontroller. navigationbar. bartintcolor = [uicolor graycolor];

3. setnavigationbarhidden

Hide bar

E.g.: [self. navigationcontrollersetnavigationbarhidden: No];

4. automaticallyadjustsscrollviewinsets

Cancel the uiedgeinsets set by the scrollview system.

E.g.: elf. automaticallyadjustsscrollviewinsets = yes;

(This switch can be used when an unpredictable problem occurs on the page)

5. setbackgroundimage

Set Bar background image

Eg: [self. navigationcontroller. navigationbarsetbackgroundimage: [uiimageimagenamed: @ "2.png"] forbarmetrics: uibarmetricsdefault];

Summary of common UI Methods --- uinavigationcontroller (continuously updating)