Android WebView captures the information in the clicked URL
Last Update:2015-12-09
Source: Internet
Author: User
<span id="Label3"></p><p><p>Project requirements, Click on the search keyword in webview, load other Web pages, you need to display the keywords in a text input box in real time</p></p><p><p>In fact, This click is within the webview, and does not jump out of this webview,activity and does not experience any life cycle. Seemingly unable to capture</p></p><p><p>In fact, it is simple to rewrite the <span style="color: #000000;">shouldoverrideurlloading () to get the URL of the various click Events. Parse its argument list to see if there are</span> any</p></p><p><p><span style="color: #000000;">Keys keyword, to get its value, parse, display on it.</span></p></p><p><p></p></p><p><p></p></p><pre><pre><span style="color: #000000;"><span style="color: #333333; font-family: 宋体; font-size: 14px; line-height: 28px;"><span style="color: #000000;">Shouldoverrideurlloading () method<br></span>Returns true to indicate that clicking on a link in a Web page or jumping in the current WebView<br>return false to jump to another browser</span></span></pre></pre><p><p></p></p><p><p></p></p><pre><pre><br><span style="color: #0000ff; font-size: 15px;"><span style="text-decoration: underline;"><em><span style="color: #ff6600; text-decoration: underline;"><span style="color: #ff6600; text-decoration: underline;">URL parameter Resolution Class</span></span></em></span></span></pre></pre><p><p></p></p><p><p></p></p><pre><span style="color: #0000ff;"><span style="color: #0000ff;">Private</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">class</span></span>Mywebviewclient<span style="color: #0000ff;"><span style="color: #0000ff;">extends</span></span><span style="color: #000000;"><span style="color: #000000;">webviewclient {@Override</span></span><span style="color: #0000ff;"><span style="color: #0000ff;"></span> public</span> <span style="color: #0000ff;"><span style="color: #0000ff;">Boolean</span></span><span style="color: #000000;"><span style="color: #000000;">shouldoverrideurlloading (WebView view, String Url) {</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(url.startswith ("intent://"<span style="color: #000000;"><span style="color: #000000;">)){ </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">true</span></span><span style="color: #000000;"><span style="color: #000000;">; } </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Super</span></span><span style="color: #000000;"><span style="color: #000000;">. shouldoverrideurlloading (view, url); </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span><span style="color: #000000;"><span style="color: #000000;">(textutils.isempty (url))</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">true</span></span><span style="color: #000000;"><span style="color: #000000;">; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;">the <span style="color: #008000;">Following is used to: add hint to the top edittext when you click another keyword search</span> in the page</span>DEBUGUTIL.D ("myc", "url =" +<span style="color: #000000;"><span style="color: #000000;">url);<br>Map</span></span><string, string> maprequest = Urlutil.getrequestparammap (url);<span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(maprequest!=<span style="color: #0000ff;"><span style="color: #0000ff;">NULL</span></span>&& maprequest.size ()!=0<span style="color: #000000;"><span style="color: #000000;">) {String KeyWord</span></span>= Maprequest.get ("keys");<span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Get keyword field</span></span>DEBUGUTIL.D ("myc", "keyWord =" +<span style="color: #000000;"><span style="color: #000000;">keyWord); </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(!<span style="color: #000000;"><span style="color: #000000;">Textutils.isempty (KEYWORD)) { </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Try</span></span><span style="color: #000000;"><span style="color: #000000;">{String Result</span></span>= Urldecoder.decode (keyWord, "UTF-8");<span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">use Android's Urldecoder to parse into Chinese</span></span><span style="color: #000000;"><span style="color: #000000;">Setkeyword (result); } </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Catch</span></span><span style="color: #000000;"><span style="color: #000000;">(unsupportedencodingexception E) {e.printstacktrace (); } } } </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">true</span></span><span style="color: #000000;"><span style="color: #000000;">; } @Override</span></span><span style="color: #0000ff;"><span style="color: #0000ff;"></span> public</span> <span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span><span style="color: #000000;"><span style="color: #000000;">onpagestarted (WebView view, String url, Bitmap Favicon) {</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Super</span></span><span style="color: #000000;"><span style="color: #000000;">. onpagestarted (view, url, favicon); } @Override</span></span><span style="color: #0000ff;"><span style="color: #0000ff;"></span> public</span> <span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span><span style="color: #000000;"><span style="color: #000000;">onpagefinished (WebView view, String Url) {</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Super</span></span><span style="color: #000000;"><span style="color: #000000;">. onpagefinished (view, url); } @Override</span></span><span style="color: #0000ff;"><span style="color: #0000ff;"></span> public</span> <span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span>Onreceivederror (WebView view,<span style="color: #0000ff;"><span style="color: #0000ff;">int</span></span><span style="color: #000000;"><span style="color: #000000;">errorCode, string description, string Failingurl) { </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Super</span></span><span style="color: #000000;"><span style="color: #000000;">. Onreceivederror (view, errorCode, description, failingurl); } }</span></span></pre><p><p></p></p><p><p>Android WebView captures the information in the clicked URL</p></p></span>
