Created
December 4, 2012 09:22
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/* | |
* 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; | |
} | |
} |
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