Android应用源码之webview支持html5视频播放实例-IT计算机-毕业设计.zip

package org.itri.html5webview; 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"; 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.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.default_video_poster); } 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); }