我正在使用android webview，在这里我坚持使用视频。实际上，我正在尝试播放资产文件夹中的视频，但它没有播放。在这里，我浏览了所有链接和解决方案，但没有什么对我有用——
和
[链接2][2] http://www.mocoven.com/blog/?p=199
在下面我附上代码-
//Html5webview
package com.example.jbb_video_play;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.AttributeSet;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.webkit.GeolocationPermissions;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
public class HTML5WebView extends WebView {
private Context mContext;
private MyWebChromeClient mWebChromeClient;
private View mCustomView;
private FrameLayout mCustomViewContainer;
private WebChromeClient.CustomViewCallback mCustomViewCallback;
private FrameLayout mContentView;
private FrameLayout mBrowserFrameLayout;
private FrameLayout mLayout;
static final String LOGTAG = "HTML5WebView";
@SuppressLint("NewApi")
private void init(Context context) {
mContext = context;
Activity a = (Activity) mContext;
mLayout = new FrameLayout(context);
mBrowserFrameLayout = (FrameLayout) LayoutInflater.from(a).inflate(R.layout.custom_screen, null);
mContentView = (FrameLayout) mBrowserFrameLayout.findViewById(R.id.main_content);
mCustomViewContainer = (FrameLayout) mBrowserFrameLayout.findViewById(R.id.fullscreen_custom_content);
mLayout.addView(mBrowserFrameLayout, COVER_SCREEN_PARAMS);
mWebChromeClient = new MyWebChromeClient();
setWebChromeClient(mWebChromeClient);
setWebViewClient(new MyWebViewClient());
// Configure the webview
WebSettings s = getSettings();
s.setBuiltInZoomControls(true);
s.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
s.setUseWideViewPort(true);
s.setAllowContentAccess(true);
s.setAllowFileAccess(true);
s.setAllowUniversalAccessFromFileURLs(true);
s.setAllowFileAccessFromFileURLs(true);
s.setMediaPlaybackRequiresUserGesture(true);
s.setNeedInitialFocus(true);
s.setSaveFormData(true);
s.setUserAgentString(getUrl());
s.setLoadsImagesAutomatically(true);
s.setBlockNetworkLoads(false);
s.setBlockNetworkImage(false);
s.setDatabaseEnabled(true);
s.setJavaScriptCanOpenWindowsAutomatically(true);
s.setJavaScriptEnabled(true);
s.setSupportMultipleWindows(true);
s.setLoadWithOverviewMode(true);
s.setSavePassword(true);
s.setSaveFormData(true);
s.setJavaScriptEnabled(true);
// enable navigator.geolocation
s.setGeolocationEnabled(true);
// s.setGeolocationDatabasePath("/data/data/org.itri.html5webview/databases/");
// enable Web Storage: localStorage, sessionStorage
s.setDomStorageEnabled(true);
mContentView.addView(this);
}
public HTML5WebView(Context context) {
super(context);
init(context);
}
public HTML5WebView(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
public HTML5WebView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context);
}
public FrameLayout getLayout() {
return mLayout;
}
public boolean inCustomView() {
return (mCustomView != null);
}
public void hideCustomView() {
mWebChromeClient.onHideCustomView();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if ((mCustomView == null) && canGoBack()){
goBack();
return true;
}
}
return super.onKeyDown(keyCode, event);
}
private class MyWebChromeClient extends WebChromeClient {
private Bitmap mDefaultVideoPoster;
private View mVideoProgressView;
@Override
public void onShowCustomView(View view, WebChromeClient.CustomViewCallback callback)
{
//Log.i(LOGTAG, "here in on ShowCustomView");
HTML5WebView.this.setVisibility(View.GONE);
// if a view already exists then immediately terminate the new one
if (mCustomView != null) {
callback.onCustomViewHidden();
return;
}
mCustomViewContainer.addView(view);
mCustomView = view;
mCustomViewCallback = callback;
mCustomViewContainer.setVisibility(View.VISIBLE);
}
@Override
public void onHideCustomView() {
if (mCustomView == null)
return;
// Hide the custom view.
mCustomView.setVisibility(View.GONE);
// Remove the custom view from its container.
mCustomViewContainer.removeView(mCustomView);
mCustomView = null;
mCustomViewContainer.setVisibility(View.GONE);
mCustomViewCallback.onCustomViewHidden();
HTML5WebView.this.setVisibility(View.VISIBLE);
//Log.i(LOGTAG, "set it to webVew");
}
@Override
public Bitmap getDefaultVideoPoster() {
//Log.i(LOGTAG, "here in on getDefaultVideoPoster");
if (mDefaultVideoPoster == null) {
mDefaultVideoPoster = BitmapFactory.decodeResource(
getResources(), R.drawable.ic_launcher);
}
return mDefaultVideoPoster;
}
@Override
public View getVideoLoadingProgressView() {
//Log.i(LOGTAG, "here in on getVideoLoadingPregressView");
if (mVideoProgressView == null) {
LayoutInflater inflater = LayoutInflater.from(mContext);
mVideoProgressView = inflater.inflate(R.layout.video_loading_progress, null);
}
return mVideoProgressView;
}
@Override
public void onReceivedTitle(WebView view, String title) {
((Activity) mContext).setTitle(title);
}
@Override
public void onProgressChanged(WebView view, int newProgress) {
((Activity) mContext).getWindow().setFeatureInt(Window.FEATURE_PROGRESS, newProgress*100);
}
@Override
public void onGeolocationPermissionsShowPrompt(String origin, GeolocationPermissions.Callback callback) {
callback.invoke(origin, true, false);
}
}
private class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
Log.i(LOGTAG, "shouldOverrideUrlLoading: "+url);
// don't override URL so that stuff within iframe can work properly
// view.loadUrl(url);
return false;
}
}
static final FrameLayout.LayoutParams COVER_SCREEN_PARAMS =
new FrameLayout.LayoutParams( ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
和 //MainActivity
public class MainActivity extends Activity {
HTML5WebView mWebView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mWebView = new HTML5WebView(this);
if (savedInstanceState != null) {
mWebView.restoreState(savedInstanceState);
} else {
try
{
AssetManager m=this.getAssets();
InputStream ios= m.open("nasa.html");
BufferedReader br=new BufferedReader(new InputStreamReader(ios));
StringBuffer nb=new StringBuffer();
String line="";
while((line=br.readLine())!=null)
{
nb.append(line);
}
String final_data=nb.toString();
//mWebView.loadDataWithBaseURL("file:///android_asset/", final_data, "text/html", "utf-8", null);
// mWebView.loadUrl("http://freebsd.csie.nctu.edu.tw/~freedom/html5/");
mWebView.loadUrl("file:///android_asset/nasa.html");
}
catch (Exception e) {
// TODO: handle exception
}
}
setContentView(mWebView.getLayout());
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mWebView.saveState(outState);
}
@Override
public void onStop() {
super.onStop();
mWebView.stopLoading();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if (mWebView.inCustomView()) {
mWebView.hideCustomView();
return true;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
}
}
//资产文件夹中的html文件
<!DOCTYPE html>
<head></head>
<body>
<video id="video" height="240" width="360" controls="controls" >
<source src="clipcanvas_14348_offline.mp4" type="video/mp4">
</video>
</body>
<footer>
</footer>
和视频链接
http://www.clipcanvas.com/a/video-clip-downloads/
请建议我任何可行的解决方案，谢谢