Java Android-在片段中显示WebView
因此,我在XML布局文件中有一个包含以下内容的片段:Java Android-在片段中显示WebView,java,android,android-fragments,webview,Java,Android,Android Fragments,Webview,因此,我在XML布局文件中有一个包含以下内容的片段: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:con
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.dwinnbrown.myapplicationv20.MainFragment">
<!-- TODO: Update blank fragment layout -->
<WebView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/webView"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true" />
</RelativeLayout>
做这样的事
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container, false);
String url = "http://winn-brown.co.uk/";
WebView view = (WebView) rootView.findViewById(R.id.webView);
view.getSettings().setJavaScriptEnabled(true);
view.loadUrl(url);
return rootView ;
}
下面是片段的xml:
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
/**
* A simple {@link Fragment} subclass.
*/
public class MainFragment extends Fragment {
public MainFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_main, container, false);
String url = "http://winn-brown.co.uk/";
WebView view = (WebView) this.findViewById(R.id.webView);
view.getSettings().setJavaScriptEnabled(true);
view.loadUrl(url);
}
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".WebActivity">
<WebView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/webview">
</WebView>
</RelativeLayout>
Hmm错误“范围中已定义视图”。这一行失败:
WebView-view=(WebView)view.findviewbyd(R.id.WebView)代码>我已更新代码,请尝试更新代码。谢谢。您也可以进行upvote,这将非常感谢:)请用文本描述解决方案我已经更新了代码,请尝试使用此更新的代码从未到达webview设置,因为之前有返回
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".WebActivity">
<WebView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/webview">
</WebView>
</RelativeLayout>
public class MainFragment extends Fragment {
WebView webView;
public MainFragment() {
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
webView=(WebView)getActivity().findViewById(R.id.webview);
WebSettings webSettings=webView.getSettings();
webSettings.setJavaScriptEnabled(true);
webView.loadUrl("your_url");
webView.setWebViewClient(new Mybrowser());
if (savedInstanceState != null)
webView.restoreState(savedInstanceState);
else
webView.loadUrl("your_url");
}
private class Mybrowser extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_main, container, false);
}
}