UIWebView Memory leak Problem Solving method

1. When the memory warning is received, clear the cached content.

-(void) applicationdidreceivememorywarning: (uiapplication*) application
{
[[Nsurlcache Sharedurlcache] removeallcachedresponses];
}

2. When releasing the UIWebView

_webview.delegate = nil;
[_webview loadhtmlstring:@ "" Baseurl:nil];
[_webview stoploading];
[_webview Removefromsuperview];
[[Nsurlcache Sharedurlcache] removeallcachedresponses];
[_webview release];

3. In the Webviewdidfinishload method, set the following:

    [[Nsuserdefaults standarduserdefaults] setinteger:0 forkey:@ "Webkitcachemodelpreferencekey"];
    [[Nsuserdefaults standarduserdefaults] setbool:no forkey:@ "webkitdiskimagecacheenabled"];//self-added, Not mentioned in the original.
    [[Nsuserdefaults standarduserdefaults] Setbool:no forkey:@ " Webkitofflinewebapplicationcacheenabled "];//himself added, the original is not mentioned.
    [[Nsuserdefaults standarduserdefaults] synchronize];

UIWebView Memory leak Problem Solving method