html - Call iPhone Photo Library on WebView Button Click -

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how can call iphone photo library when html button element (e.g., <input type="button">) clicked in webview? appreciated.

one way call custom url 

open:\\imagebrowser

then in uiwebviewdelegate catch url , open photo library picker:

- (bool) webview:(uiwebview *)webview shouldstartloadwithrequest:(nsurlrequest *)request navigationtype:(uiwebviewnavigationtype)navigationtype {    if ([[[request url] absoluteurl] isequaltostring:@"open:\\imagebrowser"] {       // open image picker    } }

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