iOS之 UIWebView的簡單學習

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UIWebView的簡單學習

 

 

 

 

#import "ViewController.h"@interface ViewController ()<UIWebViewDelegate>{    UIWebView  *WebView;    UIView     *view;    UIActivityIndicatorView *activityIndicator;}@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    self.view.backgroundColor = [UIColor whiteColor];    WebView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 44, 320, 400)];    [WebView setUserInteractionEnabled:NO];//是否支援互動    [WebView setBackgroundColor:[UIColor clearColor]];    [WebView setDelegate:self];//委託    [WebView setOpaque:NO];//使網頁透明（Opaque為不透明的意思，這裡為透明）        //載入網頁的方法    //1.建立並載入遠程網頁    NSString *path = @"http://www.baidu.com";    NSURL *url = [NSURL URLWithString:path];    [WebView loadRequest:[NSURLRequest requestWithURL:url]];        //建立UIActivityIndicatorView背底半透明View    view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 480)];    [view setTag:103];    [view setBackgroundColor:[UIColor blackColor]];    [view setAlpha:0.8];    [self.view addSubview:view];        activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 32.0f, 32.0f)];    [activityIndicator setCenter:view.center];    [activityIndicator setActivityIndicatorViewStyle:UIActivityIndicatorViewStyleWhite];    [view addSubview:activityIndicator];    [self.view addSubview:WebView];        }    //開始載入資料    - (void)webViewDidStartLoad:(UIWebView *)webView {        [activityIndicator startAnimating];    }        //資料載入完    - (void)webViewDidFinishLoad:(UIWebView *)webView {        [activityIndicator stopAnimating];    }- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

 

iOS之 UIWebView的簡單學習