Android WebView的使用

核心提示：return true;}//设置网页加载的进度条public void onProgressChanged(WebView view,int newProgress){Test.this.getWindow().setFeatureInt(Window.FEATURE_PROGRESS, newProgress*10

return true;

}

//设置网页加载的进度条

public void onProgressChanged(WebView view,int newProgress){

Test.this.getWindow().setFeatureInt(Window.FEATURE_PROGRESS, newProgress*100);

super.onProgressChanged(view, newProgress);

}

//设置应用程序的标题

public void onReceivedTitle(WebView view,String title){

Test.this.setTitle(title);

super.onReceivedTitle(view, title);

}

});

btn.setOnClickListener(new Button.OnClickListener(){

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

String url = et.getText().toString();

//判断输入的内容是不是网址

if(URLUtil.isNetworkUrl(url)){

wv.loadUrl(url);

}else{

et.setHint("输入的网址不合法，请重新输入");

// et.setText("输入的网址不合法，请重新输入");

}

}

});

}

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) {

if(keyCode==KeyEvent.KEYCODE_BACK && wv.canGoBack()){

wv.goBack();//返回前一个页面

return true;

}

return super.onKeyDown(keyCode, event);

}

}

Java代码

< ?xml version="1.0" encoding="utf-8"?>

< LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:gravity="center_horizontal"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

>

< TextView

android:id="@+id/TextView_PROM"

android:layout_width="fill_parent"

android:layout_height="wrap_content"/>

< EditText

android:id="@+id/EditText_PROM"

android:layout_width="fill_parent"