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POPhoneGap on Android : I have a bad information flow between HTML <-> JS <-> PlugIn <-> Activity
 

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  1. POPhoneGap on Android : I have a bad information flow between HTML <-> JS <-> PlugIn <-> Activity
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    <p>I've got a problem... (Really? :-) )</p> <p><strong>What I want to do?</strong></p> <p>I need to make a native plugin to launch a MapActivity (to show POI, show itineraries, ...), and when the mapView is closed with some conditions, I have to load a particular html page.</p> <p>So :</p> <p>.HTML Page with JS Events -> .JS PlugIn -> .Java PlugIn -(launch)-> .Java MapActivity</p> <p>And when my MapActivity is finished :</p> <p>MapActivity send [Status.ok] or [message] X-> .Java PlugIn -> .JS CallBack -> Load new page</p> <p><strong>What's the problem?</strong></p> <p>But unfortunately, I have this flow :</p> <p>-> .java Plugin Execute : { Launch(MapActivity); return Response }</p> <p>and then my mapactivity is launched, but my callback is already passed without any data.</p> <p>Another problem : PhoneGap seem's to cancel the onActivityResult(), it's impossible to get callback datas in the MapViewPlugin.java</p> <p><strong>The code?</strong></p> <p><em><strong>mapview.js - Plugin</em></strong></p> <p>Problem with <strong>callBack</strong> which is called before the MapActivity is launched. The sleep(2000) is a workaround to show the new page after the MapView is shown. But it's not a good issue!</p> <pre><code>MapView.prototype.showItineraryMapView = function(itineraryEncoded, startLat, startLong, startTitle, startDesc, finishLat, finishLong, finishTitle, finishDesc, callBack) { PhoneGap.exec(function() { sleep(2000); callBack(); }, function(){} , "MapView", "show_itinerary", [ itineraryEncoded, startLat, startLong, startTitle, startDesc, finishLat, finishLong, finishTitle, finishDesc ]); }; function sleep(ms) { var dt = new Date(); dt.setTime(dt.getTime() + ms); while (new Date().getTime() &lt; dt.getTime()); } </code></pre> <p><em><strong>MapViewPlugin.java - Plugin</em></strong></p> <pre><code>@Override public PluginResult execute(String action, JSONArray data, String callbackId) { Log.i("MapViewPlugin", "Début MapViewPlugin"); PluginResult result = null; if (action.equals(ACTION_SHOW_ITINERARY)) { Log.i("MapViewPlugin", "showItineraryMapView"); try { return this.showItineraryMapView(data.getString(0), data.getInt(1), data.getInt(2), data.getString(3), data.getString(4), data.getInt(5), data.getInt(6), data.getString(7), data.getString(8)); } catch (JSONException e) { e.printStackTrace(); } } else { result = new PluginResult(Status.INVALID_ACTION); Log.d("MapViewPlugin", "Invalid action : " + action + " passed"); } return result; } private PluginResult showItineraryMapView(String encoded_itinerary, int startLat, int startLong, String startTitle, String startDesc, int finishLat, int finishLong, String finishTitle, String finishDesc) { Log.i("MapViewPlugin", "Start showMapView()"); Intent iMapView = new Intent(ctx, MapViewActivity.class); iMapView.putExtra(MODE, MODE_ITINERARY); iMapView.putExtra(ITINERARY_ENCODED, encoded_itinerary); iMapView.putExtra(START_LAT, startLat); iMapView.putExtra(START_LONG, startLong); iMapView.putExtra(START_TITLE, startTitle); iMapView.putExtra(START_DESC, startDesc); iMapView.putExtra(FINISH_LAT, finishLat); iMapView.putExtra(FINISH_LONG, finishLong); iMapView.putExtra(FINISH_TITLE, finishTitle); iMapView.putExtra(FINISH_DESC, finishDesc); Log.i("MapViewPlugin", "Launching intent..."); ctx.startActivity(iMapView); return new PluginResult(Status.OK); } </code></pre> <p>I don't know if it's the good solution, I am probably in the wrong way. Can anybody help me?</p> <p>It's my first stackoverflow question so if you want more precision or if I am not enough precise, please ask me more details.</p> <p>Thank's!</p>
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