您好，我正在开发 android 应用程序，并且我有一个列表项，每个itel 在 webview 上显示 url。但是当我在 webview 上打开 youtube 视频时，它无法显示。
这是我的活动代码
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
@SuppressLint("NewApi")
public class Slider extends Activity {
SlideView scrollView;
ExpandableListAdapter menuAdapter;
View menu;
View app;
Button btnSlide;
static boolean menuOut = false;
boolean isScan = false;
Handler handler = new Handler();
int btnWidth;
ArrayList<WebAddress> address = new ArrayList<WebAddress>();
WebView webView;
ProgressDialog mProgress;
boolean loadingFinished = true;
boolean redirect = false;
AlertDialog.Builder alert;
boolean isWebHistory = false;
ArrayList<String> listParentHeader;
HashMap<String, ArrayList<WebAddress>> listChildHeader;
@SuppressLint("NewApi")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
if( Build.VERSION.SDK_INT >= 9){
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
// webView.getSettings().setPluginState(PluginState.ON);
StrictMode.setThreadPolicy(policy);
}
LayoutInflater inflater = LayoutInflater.from(this);
scrollView = (SlideView) inflater.inflate(R.layout.screen_scroll_with_list_menu, null);
setContentView(scrollView);
final Stack stack=new Stack();
menu = inflater.inflate(R.layout.horz_scroll_menu, null);
app = inflater.inflate(R.layout.screen_facebook_slider, null);
webView =(WebView) app.findViewById(R.id.webView);
ViewGroup tabBar = (ViewGroup) app.findViewById(R.id.tabBar);
// 地址 = Config.createAddress(); // menuAdapter = new MenuAdapter(this,R.layout.link,address);
listParentHeader = Config.createParentHeader();
listChildHeader = Config.createChildHeader();
menuAdapter = new ExpandableListAdapter(this, listParentHeader, listChildHeader);
ExpandableListView listView = (ExpandableListView) menu.findViewById(R.id.list);
//ViewUtils.initListView(this, listView, "Menu ", 8, android.R.layout.simple_list_item_1);
listView.setAdapter(menuAdapter);
webView.setVisibility(0);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
webView.getSettings().setUserAgentString("Android App");
webView.setInitialScale(30);
webView.getSettings().setLoadWithOverviewMode(true );
webView.getSettings().setUseWideViewPort(true);
webView.getSettings().setPluginsEnabled(true);
// webView.getSettings().setPluginState(PluginState.ON);
// force web view to open inside application
webView.setWebChromeClient(new WebChromeClient());
//webView.setWebViewClient(new MyWebViewClient());
// webView.loadUrl("http://youtube.com/fortvalleystate1895");
openURL("http://www.fvsu.edu/");
listView.setOnChildClickListener(new OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
isWebHistory = true;
menuOut = true;
scrollWebviw(scrollView, menu);
mProgress = ProgressDialog.show(Slider.this, "Loading", "Please wait for a moment...");
openURL(((WebAddress)listChildHeader.get(listParentHeader.get(groupPosition))
.get(childPosition)).url);
webView.requestFocus(View.FOCUS_DOWN);
menuOut = false;
webView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_UP:
if (!v.hasFocus()) {
v.requestFocus();
}
break;
}
return false;
}
});
return false;
}
});
btnSlide = (Button) tabBar.findViewById(R.id.BtnSlide);
btnSlide.setOnClickListener(new ClickListenerForScrolling(scrollView, menu));
final View[] children = new View[] { menu, app };
// Scroll to app (view[1]) when layout finished.
int scrollToViewIdx = 1;
scrollView.initViews(children, scrollToViewIdx, new SizeCallbackForMenu(btnSlide));
}
/**
* Helper for examples with a HSV that should be scrolled by a menu View's width.
*/
static class ClickListenerForScrolling implements OnClickListener {
SlideView scrollView;
View menu;
/**
* Menu must NOT be out/shown to start with.
*/
//boolean menuOut = false;
public ClickListenerForScrolling(SlideView scrollView, View menu) {
super();
this.scrollView = scrollView;
this.menu = menu;
}
@Override
public void onClick(View v) {
Context context = menu.getContext();
int menuWidth = menu.getMeasuredWidth();
// Ensure menu is visible
menu.setVisibility(View.VISIBLE);
if (!menuOut) {
// Scroll to 0 to reveal menu
Log.d("===slide==","Scroll to right");
Log.d("===clicked==","clicked");
int left =20;
scrollView.smoothScrollTo(left, 0);
} else {
// Scroll to menuWidth so menu isn't on screen.
Log.d("===slide==","Scroll to left");
Log.d("===clicked==","clicked");
int left = menuWidth;
scrollView.smoothScrollTo(left, 0);
}
menuOut = !menuOut;
}
}
/**
* Helper that remembers the width of the 'slide' button, so that the 'slide' button remains in view, even when the menu is
* showing.
*/
static class SizeCallbackForMenu implements SizeCallback {
int btnWidth;
View btnSlide;
public SizeCallbackForMenu(View btnSlide) {
super();
this.btnSlide = btnSlide;
}
@Override
public void onGlobalLayout() {
btnWidth = btnSlide.getMeasuredWidth();
System.out.println("btnWidth=" + btnWidth);
}
@Override
public void getViewSize(int idx, int w, int h, int[] dims) {
dims[0] = w;
dims[1] = h;
final int menuIdx = 0;
if (idx == menuIdx) {
dims[0] = w - btnWidth;
}
}
}
private void openURL(String url) {
webView.loadUrl(url);
}
private class MyWebViewClient extends WebViewClient {
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
// TODO Auto-generated method stub
super.onPageStarted(view, url, favicon);
loadingFinished = false;
menuOut = false;
//mProgress.show();
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (!loadingFinished) {
redirect = true;
}
loadingFinished = false;
view.loadUrl(url);
return true;
}
// when finish loading page
public void onPageFinished(WebView view, String url) {
if(!redirect){
loadingFinished = true;
}
if(loadingFinished && !redirect){
if(null !=mProgress) {
if(mProgress.isShowing()) {
mProgress.dismiss();
menuOut = false;
}
}
} else{
redirect = false;
}
}
}
//scroll the page and open the webview
private void scrollWebviw(SlideView scrollView, View menu) {
Context context = menu.getContext();
int menuWidth = menu.getMeasuredWidth();
// Ensure menu is visible
menu.setVisibility(View.VISIBLE);
if (!menuOut) {
// Scroll to 0 to reveal menu
Log.d("===slide==","Scroll to right");
int left = 0;
scrollView.smoothScrollTo(left, 0);
} else {
// Scroll to menuWidth so menu isn't on screen.
Log.d("===slide==","Scroll to left");
int left = menuWidth;
scrollView.smoothScrollTo(left, 0);
}
menuOut = false;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(event.getAction() == KeyEvent.ACTION_DOWN){
switch(keyCode)
{
case KeyEvent.KEYCODE_BACK:
if(webView.canGoBack() == true){
webView.goBack();
}else if(isWebHistory && webView.canGoBack() == false){
isWebHistory = false;
Intent menu = new Intent(Slider.this, Slider.class);
startActivity(menu);
webView.clearHistory();
}else{
webView.clearCache(true);
moveTaskToBack(true);
Slider.this.finish();
}
return true;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
protected void onResume() {
super.onResume();
}
@Override
public void onConfigurationChanged(final Configuration newConfig)
{
// Ignore orientation change to keep activity from restarting
super.onConfigurationChanged(newConfig);
}
}
这是获取 url 的类
public class Config {
static ArrayList<WebAddress> address = null;
static ArrayList<String> listParentHeader = null;
static HashMap<String, ArrayList<WebAddress>> listChildHeader = null;
public static ArrayList<String> createParentHeader(){
listParentHeader = new ArrayList<String>();
listParentHeader.add("President Message");
listParentHeader.add("Student Information");
listParentHeader.add("FVSU Web Mail");
listParentHeader.add("FVSU News");
listParentHeader.add("Tickets Office");
listParentHeader.add("FVSU Social Media");
listParentHeader.add("Map");
return listParentHeader;
}
public static HashMap<String, ArrayList<WebAddress>> createChildHeader(){
listChildHeader = new HashMap<String, ArrayList<WebAddress>>();
ArrayList<WebAddress> temp = new ArrayList<WebAddress>();
temp.add(new WebAddress("president message", "http://m.youtube.com/watch?v=41Mh3iKN3eM"));
temp.add(new WebAddress("Donate to FVSU", "http://www.fvsu.edu/give-online"));
listChildHeader.put("President Message", temp);
ArrayList<WebAddress> temp1 = new ArrayList<WebAddress>();
temp1.add(new WebAddress("Academics","http://www.fvsu.edu/academics" ));
temp1.add(new WebAddress("Apply to FVSU","https://secure.gacollege411.org/Applications/USG_Common_App_Short/introduction.asp?application_id=1922" ));
temp1.add(new WebAddress("Financial Aid","http://www.fvsu.edu/financial_aid" ));
temp1.add(new WebAddress("Banner Web Login / Registration","https://fvsu.gabest.usg.edu/pls/B330/twbkwbis.P_GenMenu?name=homepage" ));
temp1.add(new WebAddress("FVSU D2L","https://fvsu.view.usg.edu" ));
listChildHeader.put("Student Information", temp1);
ArrayList<WebAddress> temp2 = new ArrayList<WebAddress>();
temp2.add(new WebAddress("Faculty & Staff","https://webmail.fvsu.edu/owa/auth/logon.aspx?replaceCurrent=1&url=https%3a%2f%2fwebmail.fvsu.edu%2fowa%2f"));
temp2.add(new WebAddress("Students","https://login.microsoftonline.com/login.srf?wa=wsignin1.0&rpsnv=2&ct=1383771248&rver=6.1.6206.0&wp=MBI_KEY&wreply=https:%2F%2Fwww.outlook.com%2Fowa%2F&id=260563&whr=wildcat.fvsu.edu&CBCXT=out"));
listChildHeader.put("FVSU Web Mail", temp2);
ArrayList<WebAddress> temp3 = new ArrayList<WebAddress>();
temp3.add(new WebAddress("FVSU Review","http://review.fvsu.edu"));
temp3.add(new WebAddress("Sports","http://www.fvsusports.com"));
listChildHeader.put("FVSU News", temp3);
ArrayList<WebAddress> temp4 = new ArrayList<WebAddress>();
temp4.add(new WebAddress("Tickets Office","http://www.wildcatticketoffice.com"));
listChildHeader.put("Tickets Office", temp4);
ArrayList<WebAddress> temp5 = new ArrayList<WebAddress>();
temp5.add(new WebAddress("Facebook","https://m.facebook.com/fvsuwildcats"));
temp5.add(new WebAddress("Twitter","https://twitter.com/fvsu"));
temp5.add(new WebAddress("Youtube","http://youtube.com/fortvalleystate1895"));
listChildHeader.put("FVSU Social Media", temp5);
ArrayList<WebAddress> temp6 = new ArrayList<WebAddress>();
temp6.add(new WebAddress("Google Map","https://maps.google.com/maps/ms?ie=UTF8&hl=en&msa=0&msid=102899107517133380392.000490f1fae51c974e90d&ll=32.541857,-83.894434&spn=0.018089,0.02296&z=15&iwloc=000490f2097bca46ea46b&source=embed"));
listChildHeader.put("Map", temp6);
return listChildHeader;
}
}
任何有这个解决方案的请告诉我