Android : How To Pass A Map (hashMap) From Javascript To Droid?
Jun 29, 2009I'm trying to pass a map from javascript to a java function which has to get that map information and process it.
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Android :: Pass Data Between Activities - HashMap Of WeakReferences To Objects
Nov 16, 2009I am trying to pass a custom object to one activity from another. What I would like to use is the HashMap of WeakReferences, but the description isn't clear, at least to me. From above URL: "A HashMap of WeakReferences to Objects. You can also use a HashMap of WeakReferences to Objects with Long keys. When an activity wants to pass an object to another activity, it simply puts the object in the map and sends the key (which is a unique Long based on a counter or time stamp) to the recipient activity via intent extras. The recipient activity retrieves the object using this key."
MyObject object = new MyObject(); HashMap map = new HashMap(); WeakReference reference = new WeakReference(object); map.put(reference.hashCode(), reference);
Intent i = new Intent(myIntent); i.putExtra(map);
I know this is probably way off but I can't figure out how this is intended to be implemented based on the description. Are the keys hashcodes, user defined, or what? It sounds like all that is passed is a HashMap containing the key values but how is the object retrieved with just the key? I couldn't find any code examples or useful documentation on this method of passing objects
Android : Way To Pass A JavaScript Object On Droid?
Feb 12, 2010Is it possible to pass a JavaScript object from JavaScript to Java using addJavascriptInterface()? Something along these lines: var javaScriptObject = {"field1":"string1", "field2":"string2"}; JavaScriptInterface.passObject(javaScriptObject); How would such a call be captured on the Java side? I have no problem setting up the interface to send a string, but when I send an object, I receive null on the Java end.
View 2 Replies View RelatedAndroid :: Pass Objects Around Activities Using A HashMap Of WeakReferences To Objects?
Oct 26, 2010The FAQ mentions a method of passing objects around activities. (It is not clear to me): "A HashMap of WeakReferences to Objects. You can also use a HashMap of WeakReferences to Objects with Long keys. When an activity wants to pass an object to another activity, it simply puts the object in the map and sends the key (which is a unique Long based on a counter or time stamp) to the recipient activity via intent extras. The recipient activity retrieves the object using this key.".................
View 7 Replies View RelatedAndroid :: Pass Javascript Function To Java Using Webview AddJavascripInterface
May 12, 2009I made a webview.addjavascriptinterface(geo, "geo"); to access the geo class from javascript, and, in the html-javascript I write: --------- function successCallback(p){ document.write("helo"); }
View 3 Replies View RelatedAndroid :: SavedInstanceState - HashMap
Mar 12, 2009How do i put a Obect(or a HashMap) into the Bundle?
View 2 Replies View RelatedHTC Incredible :: Can't Sign Into Application Store Pass Invalid Go To Recover Pass?
Jul 13, 2010I was just on there yesterday i go into browse tonight and now all of a sudden it says pass world invalid from last night till this morning i tried typing in the little letters they had and I cant read it so I go to the google site. I put the info in and it says sorry account has been terminated for terms and conditions I didnt even do any thing to violate them?
View 1 Replies View RelatedAndroid : How To Use JavaScript In Droid?
Nov 18, 2010Is it possible to use JavaScript in Android?? if so, how? Please provide some examples.
View 3 Replies View RelatedAndroid :: HashMap / ArrayList And Fastest Way To Iterate Collections On Android
Jan 17, 2010Simple question, what is the fastest way to iterate through collections on Android? I generally use collection.iterator(); and the iterator.next() to iterate through the whole collection. Is it any faster to drop that and iterate with "old" (and I use the term old loosely) for( int i=0; i<collection.size(); i++) ? I was thinking of getting the collection.size() into a separate variable so I wouldn't be asking the collection it's size all the time so basically the for loop would turn into something like this: int size = collection.size(); for( int i=0; i<size; i++ ) collection.get(i); Any better? Speed wise, I mean. I'm in a point where I need to get every possible inch of speed for my application. Or maybe allocate everything into Lists in the start, and once I know the correct amount of data, I turn all that into arrays and drop the Lists so I can have array[index] (Log(1) access, right? OH wait. how did this go again access instead of having the "slow" method calls in between like .get(); when accessing the data in the collection.
And what about getters & setters for Classes? Like let's have a Vector2D class that contains obvious integer x and integer y values. What is the fastest way to access them inside the class? Have them as public and just straight Vector2D.x = someValue; or through getters and setters? I've had much debate with my tutor about this (working on my final year project) but not to get too much into details of it. Also all links for further Android application optimisation are more than welcome and greatly appreciated (I read the googles docs on this already). Plus if you have found some really good tricks / quirks on Android to punish the device even more so it runs faster, do share, do share. Please be gentle on me, I'm such a beginner in all things Android that I feel absolutely dumb as a boot for asking these kind of things. I come from strong C++ / Java background but getting the extra inch of speed for everything on Android is so different than optimizing code for PC side and not that you even have to do it on PC side that often.
Android : Way To Allow Use Of Droid's 9-patches In Javascript?
Apr 22, 2010I'd like a Javascript library that will stretch/scale 9-patch images correctly. Know of one?
View 1 Replies View RelatedAndroid : Javascript Not Working In Droid / How To Fix?
Sep 30, 2010I have a webview in my program. I loaded a string into this webview that contains javascript function. When i loaded it in the emulator it's not working i.e if I write a simple alert the webView won't display the alert. I have enabled the javascript. But then also its not working.
View 1 Replies View RelatedAndroid : Way To Debug Javascript On Droid Devices?
Jun 28, 2010Are there any means of debugging JS code, or at least get errors, on Android devices?
View 2 Replies View RelatedAndroid : How To Set Textview Text Using Javascript Droid?
Nov 19, 2010I want to set text in textview in my android class using a javascript which contains a same named variable as in the class for textview to which I want to assign some text. Something like this..
View 1 Replies View RelatedAndroid : How To Call Droid Application From Javascript?
May 11, 2010I want to call android application from JavaScript.
View 2 Replies View RelatedAndroid : What JavaScript Events Available To WebKit On Droid?
Jan 24, 2009I'm building (for lack of a better description) a mobile web app targeting Android users. I need to know what JavaScript events are available to me. I have been able to make the following work
View 3 Replies View RelatedAndroid : No Java / Javascript On Droid Browsers / How To Get?
Jan 31, 2010I've been following a discussion on the apparent lack of JavaScript and Java on Android browsers. One of my hot button applications requires either JavaScript or at least the ability to run a .jar file in order to save data. No one in the other discussion has been able to find a Android browser capable of supporting this application (TiddlyWiki)..
View 12 Replies View RelatedAndroid :: Want To Catch Taps But Not Scrolling In Javascript In Droid
Nov 9, 2010I'm making an Javascript web app and I can't for the life of me get the touchstart event to fire. I get the touchmove and touchend events no problem. This is a problem because as I see it the best way to distinguish between a tap and a scrolling motion is to zero a counter on the touchstart event, update it at touchmove and then compare it at touchend. I'm doing this so I can do some action at the end of tap but not a scroll. For instance, it would be very confusing if a page opened for an item in a listed after you finished scrolling down that list, but it would be nice to be able to tap on an item to open its page.
This is what I have..
I never see the touchstart alert. If I scroll the touchend will fire and app__touchMoving will have some sort of decent value. On a side note, I've noticed that sometimes the touchend will seem to fire multiple times.
Am I missing something basic here? Plenty of people say that this should work just fine on Android (and iPhone) yet the first listener never seems to fire.
Update: I should mention that I've been testing on a Samsung Galaxy S running Android 2.1.
Android : How To Set A Javascript-HTML Variable From A Droid Code?
Jul 26, 2010I am trying to set the value of a global variable from Android code..
View 2 Replies View RelatedAndroid : Way To Write To Clipboard From Javascript On Droid Browser?
Jul 28, 2010Or am I going to have to write an app to do that??
View 1 Replies View RelatedAndroid : JavaScript On Droid Randomly Stops Working / How To Fix?
May 3, 2010I have an application that uses a WebView and a html-page with javascript functions. Randomly the JavaScript functions doesn't seem to be called. It works up to a random point (I have looked at this bug all day) can only be produced on hardware (HTC Legend) not on emulator.
View 2 Replies View RelatedAndroid : Way To Communicate Between Droid Java / Phonegap Javascript?
Apr 28, 2010I believe that it's possible to call Java methods from (PhoneGap) Javascript. Anyone knows how to do that?? (I know how to do it by changing the source code of PhoneGap, but I'd avoid that)
View 3 Replies View RelatedAndroid :: Evaluate Ruby / Javascript Script String From Within Droid Program?
Sep 22, 2009Is it possible to evaluate a string expression script from within an android app? Using either ruby, javascript or perl?
View 1 Replies View RelatedAndroid :: Disable Context Menu On Long Taps On Droid Via HTML _ CSS _ Javascript?
Aug 5, 2010I would like to disable the context menu that appears after a long tap (touch and hold) on images in my web application. I've seen posts with different ideas how to do it, but none of them seem to work for me.
Is there a way to do this on Android via HTML/CSS/Javascript?
Android :: Pass Button Id In Droid?
Feb 9, 2010Code...
Can I pass button id to function makenewProfile from class login_profile?
Android :: How To Pass Data To Another Droid Device/
May 24, 2010I am working on an application and one feature that would make it really useful is the ability to share some information, but the other device may not be expecting the data to be sent.For example, if I am reading a really good book, and I realize that a friend may like it, I could use an application to send the data to him, so he could order the book from Amazon.But, since he isn't expecting the data, I would hate for the application to be polling a server every so often, as that will be needlessly draining the battery.Ideally it would be great if there was a way to make a phone call to the target device, send a data packet and end the call.If it could be done and prevent the phone from ringing, then it would be very useful to me.I am curious if there is some way to send data between devices without polling.
View 1 Replies View RelatedAndroid :: Example Code To Pass Value From New Activity To Old In Droid?
Aug 26, 2010I am using two Activity as Old Activity and New Activity,i want to pass some value from New Activity to Old Activity.how can i pass the value from New Activity to Old Activity. please give some example code for that.
View 2 Replies View RelatedAndroid :: Pass A Radiobutton Value To Textview In Droid?
Jun 25, 2010I have two activities or "screens".
The second activity has an AlertDialogBox with radiobuttons for selecting a single option.
I want that after an option has been selected from the second activity's DialogBox, it should be displayed on the first activity screen in a text-view.
That is, suppose the user chooses "Green" from the dialogbox in the second activity, then "Green" should be displayed on the first activity screen.
Whats the way to pass a radiobuttonvalue to the textview?
Android : Way To Pass Values To XML From Database In Droid?
Nov 18, 2010How do i do an edit form functionality in android. I am a new bee to android. How do i pass on database values to XML and then submit it back..
View 1 Replies View RelatedAndroid :: How To Pass Class Instances Between Applications In Droid
Mar 18, 2010I have an application App1 which defines class A and uses instances of this class. What I want to achieve is - after App1 is installed on the device to be able to load App2 which defines and implements class B which is subclass of class A (imported from App1 package); and be able to get an instance of class B in the App1. Class B doesn't add any new interfaces, so using it as class A is ok. But I am not sure how to pass the instance of class B to App1 (preferrably without any user interaction).
Can anyone advise if this is feasible?
Android :: Pass Data Between Activities In Droid Application?
Jun 3, 2010How to pass data between activities in an Android application?
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