Java tutorial
/** * * CobaltFlipperFragment * Cobalt * * The MIT License (MIT) * * Copyright (c) 2014 Cobaltians * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ package fr.cobaltians.cobalt.fragments; import fr.cobaltians.cobalt.Cobalt; import org.json.JSONException; import org.json.JSONObject; import android.util.Log; import fr.cobaltians.cobalt.customviews.GestureWebView; import fr.cobaltians.cobalt.customviews.IGestureListener; /** * {@link CobaltFragment} having swipe feature if enabled. * @extends CobaltFragment * @implements IGestureListener * @author Sebastien */ public class CobaltFlipperFragment extends CobaltFragment implements IGestureListener { private final static String TAG = CobaltFlipperFragment.class.getSimpleName(); private final static String JSEventSwipeLeft = "swipeLeft"; private final static String JSEventSwipeRight = "swipeRight"; private boolean mSwipeEnabled = false; /******************************************************** * LIFECYCLE *******************************************************/ @Override public void onStart() { super.onStart(); // WebView has been added, set up its listener ((GestureWebView) mWebView).setGestureListener(this); setFeaturesWantedActive(); } /******************************************************** * COBALT *******************************************************/ @Override protected void addWebView() { if (mWebView == null) { mWebView = new GestureWebView(mContext); setWebViewSettings(this); } super.addWebView(); } @Override protected boolean onUnhandledCallback(String name, JSONObject data) { return false; } @Override protected boolean onUnhandledEvent(String name, JSONObject data, String callback) { return false; } @Override protected void onUnhandledMessage(JSONObject message) { } /******************************************************** * SWIPE *******************************************************/ public void enableSwipe() { mSwipeEnabled = true; } public void disableSwipe() { mSwipeEnabled = false; } public boolean isSwipeEnabled() { return mSwipeEnabled; } private void setFeaturesWantedActive() { if (getArguments() != null && getArguments().getBoolean(Cobalt.kSwipe)) { enableSwipe(); } else { disableSwipe(); } } /************************************************************************************* * GESTURE LISTENER ************************************************************************************/ @Override public void onSwipeGesture(int direction) { swipe(direction); } private void swipe(final int direction) { mHandler.post(new Runnable() { @Override public void run() { JSONObject jsonObj = new JSONObject(); try { jsonObj.put(Cobalt.kJSType, Cobalt.JSTypeEvent); if (direction == GESTURE_SWIPE_LEFT) { jsonObj.put(Cobalt.kJSEvent, JSEventSwipeLeft); if (Cobalt.DEBUG) Log.i(Cobalt.TAG, TAG + " - swipe: next"); } else if (direction == GESTURE_SWIPE_RIGHT) { jsonObj.put(Cobalt.kJSEvent, JSEventSwipeRight); if (Cobalt.DEBUG) Log.i(Cobalt.TAG, TAG + " - swipe: previous"); } sendMessage(jsonObj); } catch (JSONException exception) { exception.printStackTrace(); } } }); } @Override protected void onPullToRefreshRefreshed() { // TODO Auto-generated method stub } @Override protected void onInfiniteScrollRefreshed() { // TODO Auto-generated method stub } }