Overview of how iOS selector view Controls (Uipickerview) are used

Summary of Uipickerview usage in iOS

Uipickerview is a native selector control in iOS that is easy to use, simple in usage, and beautifully effective.

@property (nonatomic,assign) ID<uipickerviewdatasource> DataSource;

@property(nonatomic,assign) ID<uipickerviewdelegate> Delegate

Set up data sources and proxies

@property (nonatomic) BOOL Showsselectionindicator;

Whether the selection box is displayed, this property has no effect after iOS7

@property(nonatomic,readonly) nsinteger numberofcomponents;

Get the number of partitions

-(Nsinteger) numberofrowsincomponent: (nsinteger) component;

Gets the number of rows for a partition

-(cgsize) rowsizeforcomponent: (nsinteger) component;

Get the dimensions of a partition row

-(UIView *) Viewforrow: (nsinteger) row forcomponent: (nsinteger) component;

Get a view of a row in a partition

-(void) reloadallcomponents;

Reload All partitions

-(void) Reloadcomponent: (nsinteger) component;

Overloading a partition

-(void) SelectRow: (nsinteger) row incomponent: (nsinteger) component animated: (BOOL ) animated;

Set a row to select a partition

-(Nsinteger) selectedrowincomponent: (nsinteger) component;

Returns a selected row of a partition

Methods in the data source proxy:

-(Nsinteger) Numberofcomponentsinpickerview: (uipickerview *) Pickerview;

Set Number of partitions

-(Nsinteger) Pickerview: (uipickerview *) Pickerview numberofrowsincomponent: (nsinteger) Component

Set the number of rows by partition

Methods in the proxy:

-(cgfloat) Pickerview: (uipickerview *) Pickerview widthforcomponent: (nsinteger) Component

Set the partition width

-(cgfloat) Pickerview: (uipickerview *) Pickerview rowheightforcomponent: (nsinteger) Component

Set Partition Row Height

-(nsstring *) Pickerview: (uipickerview *) Pickerview Titleforrow: (nsinteger) row Forcomponent: (nsinteger) component;

Set the caption displayed for a row

-(nsattributedstring *) Pickerview: (uipickerview *) Pickerview Attributedtitleforrow: ( Nsinteger) Row forcomponent: (nsinteger) component;

To set the caption displayed by a row through a property string

-(UIView *) Pickerview: (uipickerview *) Pickerview Viewforrow: (nsinteger) Row forcomponent :(Nsinteger) component Reusingview: (UIView *) view;

Set the view view displayed for a row

-(void) Pickerview: (uipickerview *) Pickerview Didselectrow: (nsinteger) row incomponent: ( Nsinteger) Component

Callback that is executed when a row is selected

Overview of how iOS selector view Controls (Uipickerview) are used