package com.yixia.zi.widget; 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 copy of Honeycomb's {@link android.webkit.WebViewFragment}. */ public class WebViewFragment extends Fragment { private WebView mWebView; private boolean mIsWebViewAvailable; public WebViewFragment() { } /** * Called to instantiate the view. Creates and returns the WebView. */ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { if (mWebView != null) { mWebView.destroy(); } mWebView = new WebView(getActivity()); mIsWebViewAvailable = true; return mWebView; } /** * Called when the fragment is visible to the user and actively running. * Resumes the WebView. */ @Override public void onPause() { super.onPause(); mWebView.onPause(); } /** * Called when the fragment is no longer resumed. Pauses the WebView. */ @Override public void onResume() { mWebView.onResume(); super.onResume(); } /** * Called when the WebView has been detached from the fragment. The WebView is * no longer available after this time. */ @Override public void onDestroyView() { mIsWebViewAvailable = false; super.onDestroyView(); } /** * Called when the fragment is no longer in use. Destroys the internal state * of the WebView. */ @Override public void onDestroy() { if (mWebView != null) { mWebView.destroy(); mWebView = null; } super.onDestroy(); } /** * Gets the WebView. */ public WebView getWebView() { return mIsWebViewAvailable ? mWebView : null; } }