到目前为止,通过下面的代码,我可以在向上滚动webview时显示工具栏,并在web视图向下滚动时显示工具栏,失去了网页视图的滚动行为本身隐藏工具栏时无法启用webview的滚动行为
这是我app_bar.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
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=".Activity.MainActivity">
<!--android:fitsSystemWindows="true"-->
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/AppTheme.PopupOverlay"/>
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="35dp"
app:tabGravity="fill"
app:tabMode="scrollable">
</android.support.design.widget.TabLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
</android.support.design.widget.CoordinatorLayout>
这是我在我的片段使用news.xml。我的问题是如果我删除NestedScrollView我能够滚动webview &做刷卡刷新功能,但是当我添加嵌套视图我可以向上滚动工具栏向上&但刷新webview &的滚动属性是失去
<?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"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/swipe1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:minHeight="60dp"
>
<WebView
android:id="@+id/website_detail_1"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
</WebView>
</android.support.v4.widget.SwipeRefreshLayout>
</android.support.v4.widget.NestedScrollView>
<ProgressBar
android:id="@+id/progressBar1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:indeterminate="true"
android:visibility="visible"/>
</RelativeLayout>
包含的WebView
public class NewsFragment extends Fragment {
// private String url;
private WebView webView;
private ProgressBar progressBar1;
private SwipeRefreshLayout mSwipeRefreshLayout1;
public NewsFragment() {
// Required empty public constructor
}
public static NewsFragment newInstance(String webUrl) {
//set arguments
Bundle args = new Bundle();
args.putString("website", webUrl);
NewsFragment newsFragment = new NewsFragment();
newsFragment.setArguments(args);
return newsFragment;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.test, container, false);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
//get back arguments
final String url = this.getArguments().getString("website");
progressBar1 = (ProgressBar) view.findViewById(R.id.progressBar1);
webView = (WebView) view.findViewById(R.id.website_detail_1);
webView.getSettings().setJavaScriptEnabled(true);
webView.setWebChromeClient(new WebChromeClient() {
public void onProgressChanged(WebView view, int progress) {
progressBar1.setProgress(progress);
if (progress == 100) {
progressBar1.setVisibility(View.GONE);
if (mSwipeRefreshLayout1.isRefreshing()) {
mSwipeRefreshLayout1.setRefreshing(false);
}
} else {
progressBar1.setVisibility(View.VISIBLE);
}
}
});
webView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
});
webView.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);
WebSettings webSettings = webView.getSettings();
// webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
webView.getSettings().setAppCacheEnabled(true);
webSettings.setDomStorageEnabled(true);
if (!isNetworkAvailable()) { // loading offline
webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
}
webView.loadUrl(url);
mSwipeRefreshLayout1 = (SwipeRefreshLayout) view.findViewById(R.id.swipe1);
mSwipeRefreshLayout1.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
webView.loadUrl(url);
}
});
webView.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && webView.canGoBack()) {
webView.goBack();
return true;
}
return false;
}
});
}
private boolean isNetworkAvailable() {
ConnectivityManager connectivityManager = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
// ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();
}
}
我跟着你的建议,但没有任何效果可言。我的webview是WebChromeClient。我没有设置任何关于默认滚动它的属性。我还使用导航抽屉它是否必须做任何事情? – choman
已更新的答案。 –
刷新刷新终于与代码工作但是我无法滚动webview作为布局显然使webview的滚动固定。我现在可以隐藏和显示工具栏/刷新我的webview,但没有水平滚动。如果它有帮助,我已经更新了包含webview的片段。 – choman