WebView Show progress bar when loading

Learning from MU-class network, it feels very fun.

Also set a button to jump, are placed inside the inner class.

 PackageCom.example.deemo;Importandroid.app.Activity;ImportAndroid.app.ProgressDialog;Importandroid.content.Intent;ImportAndroid.net.Uri;ImportAndroid.os.Bundle;ImportAndroid.view.View;ImportAndroid.view.View.OnClickListener;Importandroid.webkit.WebChromeClient;ImportAndroid.webkit.WebView;Importandroid.webkit.WebViewClient;ImportAndroid.widget.Button; Public classMainactivityextendsactivity{PrivateString url= "http://www.bilibili.com";//Address    PrivateWebView WebView; PrivateButton bt1; PrivateProgressDialog Dialog; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_main); BT1=(Button) Findviewbyid (r.id.button1);//uri uri = uri.parse (URL);//Link Address//Intent Intent = new Intent (Intent.action_view,uri);//the above document and the following objectives//startactivity (intent);//to jumpBt1.setonclicklistener (NewOnclicklistener () {@Override Public voidOnClick (View arg0) {init (); }            //Construction Method            Private voidinit () {WebView=(WebView) Findviewbyid (R.id.webview); //Local Resource Webview.loadurl (file:///android_asset/file name)Webview.loadurl (URL);//Open External//overwrite the system browser to open so that the target is open in WebViewWebview.setwebviewclient (Newwebviewclient () { Public Booleanshouldoverrideurlloading (WebView view, String URL) {view.loadurl (URL); return true;//ture to open in WebView                    }                }); //Gets the site loading progressWebview.setwebchromeclient (Newwebchromeclient () {@Override Public voidOnprogresschanged (WebView view,intnewprogress) {                            //newprogress 1~100 Integer                        if(newprogress==100) {//Load CompleteClosedialog (); }Else{//is loadingOpenDialog (newprogress);//Passing Parameters                        }                    }                    Private voidOpenDialog (intnewprogress) {                        if(dialog==NULL) {Dialog=NewProgressDialog (mainactivity. This);//New Progress barDialog.settitle ("Loading in");//display textDialog.setprogressstyle (progressdialog.style_horizontal);//Horizontal progress barDialog.setprogress (newprogress);//Get ProgressDialog.show ();//Show Progress}Else{dialog.setprogress (newprogress); }                            }                    Private voidClosedialog () {if(dialog!=NULL&&dialog.isshowing ())                            {Dialog.dismiss (); Dialog=NULL;            }                    }                });    }        }); }}//this lump of anti-parenthesis ... 

WebView Show progress bar when loading