Title:如何通過點擊android的webView中的一個元素打開native的界面(activity)
如何在webView中直接打開native的界面
設置webview支持javascript
webview.getSettings().setJavaScriptEnabled(true);
添加提供給javascript調用的類對象和接口名字
webview.addJavascriptInterface(new JavascriptInterface(MyActivity.this), "mynamespace");
供javascript調用的類的代碼
public class JavascriptInterface {
private Activity activity;
public JavascriptInterface(Activity activity){
this.activity = activity;
}
public void toMyPage(){
Intent intent = new Intent();
intent.setClass(activity, AnotherActivity.class);
activity.startActivity(intent);
}
}
爲webview添加WebViewClient
webview.setWebViewClient(new MyWebViewClient(this, browser));
public class MyWebViewClient extends WebViewClient {
private Context con;
public PTCWebViewClient(Context con, final WebView web){
this.con = con;
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
view.loadUrl("javascript:(function(){document.getElementById('snapNSendBtn').οnclick=function(){window.ltamtc.toSnapNSend();}})()");
}
}
如此一來,每當這個webView加載完一個頁面,而且這個頁面有ID爲“mySourceButton”的元素,那這個元素的點擊事件就被修改爲用戶自定義的暴露給javascript調用的toMyPage()事件。一旦點擊,界面就跳轉,或者做任何你想做的事情