| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.webkit; |
| |
| import android.app.Fragment; |
| import android.os.Bundle; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.webkit.WebView; |
| |
| /** |
| * A fragment that displays a WebView. |
| * <p> |
| * The WebView is automically paused or resumed when the Fragment is paused or resumed. |
| */ |
| 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; |
| } |
| } |