首页 / 移动开发 / Android / Android程序开发之给背景图加上移动的手势

二，效果图。

三，代码。

RootViewController.h

#import <UIKit/UIKit.h>@interface RootViewController : UIViewController<UIGestureRecognizerDelegate>@end 

#import "RootViewController.h"@interface RootViewController （）@end@implementation RootViewController- （id）initWithNibName:（NSString *）nibNameOrNil bundle:（NSBundle *）nibBundleOrNil{self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if （self） {// Custom initialization}return self;}- （void）viewDidLoad{[super viewDidLoad];// Do any additional setup after loading the view.//增加背景图[self addView];}#pragma -mark -functions//背景图-（void）addView{//红色的背景图UIView *parentView=[[UIView alloc]initWithFrame:CGRectMake（50, 100, 200, 200）];parentView.backgroundColor=[UIColor redColor];[self.view addSubview:parentView];[parentView setUserInteractionEnabled:YES];//移动的手势UIPanGestureRecognizer *panRcognize=[[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector（handlePan:）];panRcognize.delegate=self;[panRcognize setEnabled:YES];[panRcognize delaysTouchesEnded];[panRcognize cancelsTouchesInView];[parentView addGestureRecognizer:panRcognize];}#pragma UIGestureRecognizer Handles- （void）handlePan:（UIPanGestureRecognizer *）recognizer {NSLog（@"--移动的手势-----"）;}- （void）didReceiveMemoryWarning{[super didReceiveMemoryWarning];// Dispose of any resources that can be recreated.}