IOS Sandbox store Read pictures

Source: Internet
Author: User

1. Create a new project, drag out two ImageView and two button, and associate the code separately

Join in 2.button action

-(Ibaction) Save: (ID) Sender {

Nsarray *paths = Nssearchpathfordirectoriesindomains (Nsdocumentdirectory,nsuserdomainmask, YES);

NSString *filepath = [[Paths objectatindex:0] stringbyappendingpathcomponent:[nsstring stringwithformat:@ "Pic.png"]]   ; Save the name of the file

UIImage *image1 = _myimagview1.image;

BOOL result=[uiimagepngrepresentation (Image1) Writetofile:filepath Atomically:yes];

if (result) {

NSLog (@ "Success");

}

}

-(Ibaction) read: (ID) Sender {

Nsarray *paths = Nssearchpathfordirectoriesindomains (Nsdocumentdirectory,nsuserdomainmask, YES);

NSString *filepath = [[Paths objectatindex:0] stringbyappendingpathcomponent:[nsstring stringwithformat:@ "Pic.png"]]   ; Save the name of the file

UIImage *img = [UIImage Imagewithcontentsoffile:filepath];

_myimageview2.image = img;

} 3. Test

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