IOS image cache playback

Imagecache. h

//

// Imagecache. h

// Nowlearn

//

// Created by Wang doublejie on 12-9-12.

// Copyright (c) 2012 _ mycompanyname _. All rights reserved.

//

// Image cache class

# Import <Foundation/Foundation. h>

@ Interface imagecache: nsobject

{

}

+ (Uiimage *) LoadImage :( nsstring *) imagename;

+ (Void) releasecache;

@ End

Imagecache. m

//

// Imagecache. m

// Nowlearn

//

// Created by Wang doublejie on 12-9-12.

// Copyright (c) 2012 _ mycompanyname _. All rights reserved.

//

# Import "imagecache. H"

@ Implementation imagecache

Static nsmutabledictionary * dict;

+ (Uiimage *) LoadImage :( nsstring *) imagename

{

If (! Dict) dict = [nsmutabledictionary
Dictionary] retain];

Uiimage * image = [dict
Objectforkey: imagename];

If (! Image ){

Nsstring * ImagePath = [[nsbundle
Mainbundle] pathforresource: imagename
Oftype: Nil];

Image = [uiimage imagewithcontentsoffile: ImagePath];

If (image ){

[Dict setobject: Image
Forkey: imagename];

}

}

Return image;

}

+ (Void) releasecache

{

If (dict ){

[Dict removeallobjects];

}

}

@ End

// Use

-(Void) viewdidload

{

[Super
Viewdidload];

Nsmutablearray * images = [nsmutablearray
Alloc] initwithcapacity: 30];

For (INT I = 1; I <= 9; I ++ ){

Nsstring * imagename = [nsstring
Stringwithformat: @ "page_0000d.jpg", I];

Uiimage * image = [imagecache
LoadImage: imagename];

[Images addobject: Image];

}

Imageview = [[uiimageview
Alloc] initwithframe: cgrectmake (0,100,320,320)];

Imageview. animationimages = images;

[Images release];

Imageview. animationduration = 10;

Imageview. animationrepeatcount = 100;

[Imageview startanimating];

[Self. View
Addsubview: imageview];

Uibutton * BTN = [uibutton
Buttonwithtype: uibuttontyperoundedrect];

BTN. Frame = cgrectmake (30,420, 90, 35 );

[BTN settitle: @ "clear memory usage" forstate: uicontrolstatenormal];

[BTN settitle: @ "clear memory usage" forstate: uicontrolstatehighlighted];

[BTN addtarget: Self
Action: @ selector (clearmemory :)
Forcontrolevents: uicontroleventtouchupinside];

[Self. View
Addsubview: BTN];

// Do any additional setup after loading the view.

}