Android实现webview实例代码

2024-02-19 11:55:03 217

packagecom.lxq.webview01; importandroid.app.Activity; importandroid.os.Bundle; importandroid.view.KeyEvent; importandroid.view.View; importandroid.view.View.OnClickListener; importandroid.webkit.WebSettings; importandroid.webkit.WebView; importandroid.webkit.WebViewClient; importandroid.widget.Button; importandroid.widget.EditText; publicclassMainActivityextendsActivity{ privateEditTextet_url; privateButtonbtn_request; privateWebViewwv; @Override protectedvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); initSetting(); initEvent(); } privatevoidinitSetting(){ //webview设置属性 WebSettingsws=wv.getSettings(); ws.setBuiltInZoomControls(true); ws.setDefaultZoom(WebSettings.ZoomDensity.FAR); ws.setJavaScriptEnabled(true); ws.setSupportZoom(true); //点击链接继续在当前browser中响应，而不是新开Android的系统browser中响应该链接，必须覆盖webview的WebViewClient对象 wv.setWebViewClient(newWebViewClient(){ publicbooleanshouldOverrideUrlLoading(WebViewview,Stringurl){ view.loadUrl(url); returntrue; } }); } //初始化控件 privatevoidinitView(){ et_url=(EditText)findViewById(R.id.et_url); btn_request=(Button)findViewById(R.id.btn_request); wv=(WebView)findViewById(R.id.wv); } //按键监听 publicbooleanonKeyDown(intkeyCode,KeyEventevent){ if((keyCode==KeyEvent.KEYCODE_BACK)&&wv.canGoBack()){ wv.goBack(); returntrue; } returnsuper.onKeyDown(keyCode,event); } //初始化事件 privatevoidinitEvent(){ btn_request.setOnClickListener(newOnClickListener(){ @Override publicvoidonClick(Viewv){ Stringurl=et_url.getText().toString().trim(); wv.loadUrl(url); } }); } }

Android实现webview实例代码

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