Android :: Design Strategy - Large HTML In Apps Bookmark Location
Nov 8, 2010
I write Windows/iPhone/Android apps that mostly display large documents (HTML) in an HTML container view. What is a good strategy to determine where in a document the users has scrolled to so that when the app runs again, it goes to that location in the HTML document? ll of my software can 'listen' to javascript. Is there a way to find in a HTML page, perhaps with javascript, where the visible section is?
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Nov 14, 2009
I have an app which has a download size of about 7MB and an installed/ configured size of about 25MB. So far, I've been handling this by using the SD card for the baulk of the data. This works fine although the installation process is a little cumbersome. I notice the smallest of the Archos 5 tablets is 8GB.
Can someone confirm whether this is all part of the internal memory? In other words, can /data/data/com.mypackage fill this memory (potentially). If so, does this mean there is a good chance that getExternalStorageDirectory() will quite often return null? Because people will have less need to use an external SD card.
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Nov 20, 2009
I wanted to be able to use my Google bookmarks on my Droid. I found a program that imports them to the phone, but it replaces everything and I didn't want all those bookmarks in my browser. I exported my Google bookmarks to a HTML file and stored it on my SD card in the download folder and named it bookmarks.htm. I then went into the Droid browser and typed the following URL: content://com.android.htmlfileprovider/sdcard/download/bookmarks.htm
I then created a bookmark of the link.
Now, I open my browser, click on the bookmark, and all my Google Bookmark sites are displayed as links in order listed under their categories.
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Oct 7, 2010
Presently am displaying html file in web view and my emulator size 1024*600. If the html file is large then user is scrolling down to see bottom part of the html. I Need to break these html file in equal parts so that it fits exactly in my screen size. I don't want User to Scroll Down but load remaining part (next page) next time.
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Oct 27, 2009
I have an application that uses the Google Maps API to geocode distances between lat/long pairs as a way of displaying people near to you on your phone (currently Android, working on iPhone). The issue is that even with a test group of 40 users, we are taking upwards of 10 seconds to do our calculations and send the results back to the users. While 10 seconds sounds like a long time, it's not really an issue as far as the client app goes because it's not a real-time update of people's locations (the updates occur every few minutes). Obviously this is a problem though since we'd obviously love to ramp up to tens or even hundreds of thousands of users. I'm curious if anyone else has any experience in this arena in regards to using the Google Maps API for calculating distances between points for large volumes of data?
As an aside, we're using Rails on the server, which is where all of the location calculations are occurring. The phone(s) are merely displaying the maps and updating the server with lat/long coordinates.
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Nov 12, 2010
I need to design an android app to communicate with HID Custom USB Device. Are there any standard java library that I can use to implement this?
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Oct 7, 2010
I'm seeing that it would be good to have some sort of charting scheme (or possibly just a table-based design strategy) when designing Android apps.Have any such schemes been proposed?
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Oct 13, 2010
What are the best practices to design webservices for mobile (particularly Android) apps?
Personally I'm focused on using JSON (and not XML) and I try to make it the less verbose I can. But I'm probably missing a lot of things.
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Aug 2, 2010
I'm a web designer by nature, accustomed to changing resolutions and font sizes, but I'm unsure how to design for the Android platform without knowledge of screen sizes, especially when the screen rotates from portrait mode to landscape.
Should I just do generic things that tile, or is there a way to design things of static size?
By this, I mean for the GUI and graphics, not element nodes of the XML.
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Oct 23, 2009
I want make it support multiple screens(small,normal and large).I am 100% sure the all of layouts are working perfectly now, but large screen,the problem is that all XML files of layouts in layout-large can't load,The platform always load default XML file(these are under layout folder) at large screen environment.
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Aug 11, 2010
I have no idea, but my app is stalling sometimes completely (not responding to touching the screen) I thought I was following all the rules for threading, but my app is apparently slowing down the Sprint EVO! I have never used an app as slow as my own. I don't get an ANR dialog, though I think I probably should get getting one. I have no idea how to make this application run like every other app I've ever used -- Not freezing. Is it not a good idea to have one HttpClient and keep a static reference to it for all Activities that want to use it? I used to create a new one each time, and thought that changing it to one sped it up. None of my AsyncTasks ever end. If I go to Activity A -> B -> C -> D the first time it will be smooth. I can press back but when I get back to A, its completely frozen, not responding to anything. That when I took that screenshot. I really have no clue what I am doing wrong. Should I manually kill my AsyncTasks on Activity.onPause()?
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Nov 1, 2010
I have heavily edited the original text and instead of the how question I am posting the code that produces the effect I wanted, namely a floating menu on top that stays fixed as I scroll whatever is in the middle with a lower menu at the bottom of the screen. Ain't life sweet - Might even work on the iPhone as well.
Why I posted was like I said in the original question. I'm fiddling with creating the initial lay out for a "mobile" application for the disabled, have tonnes of data, dictionary files, icons for the purpose etc. I want to have the app running as HTML to make it as portable as possible, i.e. make it runnable on Android, Iphone, Maemo... whatever.
I got some hints by looking at the example at http://www.quackit.com/css/codes/css_floating_menu.cfm as well as a lot of trial and error and finally minor edits by a paid freelancer.
Below you can find some crude (to put it mildly) HTML/CSS (cut the CSS part and load a style instead in the HTML's you create for cleaner code) but for now, let's look at the prototype concept.
CODE:...........
You can see the working example on your Android device or in your Android emulator http://globability.org/webapp/aaa.html
Need to get the sound working though - but nearly there :)Links to the different web based version and thoughts behind application can be found on:
The project this application springs from can be found on [url] - Look under prototypes (it is the top one under the heading protypes).
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May 13, 2010
I;ve been trying to create a custom button in android using this tutorial - http://www.gersic.com/blog.php?id=56
It works well but it doesn't say how to change the font size or weighting. Any ideas?
There was another question on here and the only answer was to use html styling but you can't change a font size in html without using css (or the deprecated font tag). There must be a better way of setting the pixel size of the font used on buttons?
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Nov 23, 2010
I am going to develop an Android Application but before developing it i needs to have MockUp for the Android Application,so is there any way to design MockUp/GUI Design tool for the Android Application?
I know about DroidDraw tool , but i think it is not the exact way to prepare Mockup for the android application.
I have already referred this SO Question , but overthere i just found all the tools for the I-Phone only. So please feel free to share with me if you have/found any !
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Oct 15, 2012
I plan to create a runtime for hosting (inner) JavaScript apps using Cordova.
1. There should be a host app acting as the runtime. In this Host-App, it should able to load JS/Html Apps dynamically. Same goes for removing.
2. Also, the inner JS/Html Apps should be able to communicate with each other.
Important is
- that the loaded JS/Html should call native functions like contact list (thats why Cordova should be used)
- and the JS/Html is not necessarily on the device when the apk is created. Hence, it should be able to download the sources and show them in the native app.
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Aug 27, 2010
i would like to post on twitter/facebook my location, but not my EXACT location.i would want to change my GPS location to another county over are there any apps to do this? i've checked out the "my fake location" but you have to know the coordinates and such. are there any apps that you can just simply type in an address?
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Aug 9, 2009
I've developed an app and I want to display my other apps Iīve already published but I donīt know their location.
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Apr 15, 2010
I am using WCF to write a server that should be able to communicate with .Net clients, Android clients and possibly other types of clients. The main type of client is a desktop application that will be written in .Net. This client will usually be on the same intranet as the server. It will make an initial call to the server to get the current state of the system and will then receive updates from the server whenever a value changes. These updates are frequent, perhaps once a second. The Android clients will connect over the Internet. This client is also interested in updates, but it is not as critical as for the desktop client so a (less frequent) polling scenario might be acceptable.
All clients will have to login to use the services, and when connecting over the Internet the connection should be secure. I am familiar with WCF but I am not sure what bindings are most appropriate for the scenario and what security solution to use. Also, I have not used Android, but I would like to make it as simple as possible for the person implementing the Android client to consume my services. So, what is my strategy?
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Jun 30, 2010
So you download an app from the marketplace now where does it go?I have Atlas File Manager but can't find a folder or spot where it sits so I can extract to the SD card.
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Jan 3, 2010
I was wondering is there any way to set or change the default location for downloading apps to either my phone or SD card? .. My Palm centro had the option to either download to either the phone or SD card.. I was wondering if the Droid has the same option possibilities. Also Is there any way to transfer apps or programs currently stored on the phone to the SD card?
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Nov 7, 2010
I have a stock rooted Motorola Droid, with OpenHome and not much else. What apps should I have on there for day to day activities?
Also I am going on a trip Monday to a remote area of California to hand my mothers estate. Is there any app that I can install that would allow my wife to track my location. Either via the web or from her Blackberry.
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Jun 23, 2012
where can i find downloaded apps from android market..after i i install it but unsuccessful i have to download again from market again...any apps download to which folder of phone memory?
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Sep 8, 2010
I have two EVO's, and I'm on the absolutely unlimited everything plan for both phones, which means that on a monthly basis Now, if I moved down to unlimited everything plan except for calls to landlines, I could save a lot. As I understand that plan, all calls to any cell phone are unlimited, but I would have a minutes cap on land line calls during the day on weekdays. So, can I use some kind of App to make land line calls during the day on weekdays and avoid the charge to my limited land line minutes? I would want an App that allows calls to be received and placed. I think there is an App for that, but it requires a new number to be registered?
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Jul 8, 2010
I know that Android will help merge/link duplicates, but I keep wondering if I should consolidate my contact management in one place. That is your contact management strategy? Centralized? Distributed? Where do you keep your contacts? My gut is telling me to keep them all in MS-Exchange, and delete all contacts in the other places, and just keep them updated in MS-Exchange... At the same time, since Android is a Google based phone, perhaps consolidating in Google/Gmail is the right answer...
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Jul 2, 2010
In my Android app, I have some data that needs to be synced daily but also needs to be updated every hour when a user is inside the app. I have already implemented a service that gets called from an alarm for the daily update. I'm having a problem with developing a strategy to do the hourly sync. I could use an hourly alarm too and fire the same intent, but since your app can be killed at any time, there would be no way to cancel it (and since they use the same Intent, doing a cancel would cancel ALL alarms including my daily sync, so that's probably not good). The other option is to use a Timer that's set when inside the app, and have that fire my Intent when inside the app. I'm assuming all Timers get canceled when an app is killed right? But my app consists of several activities and I want the timer to work across all activities, how do I do that? I dont want to duplicate code - we're already using a subclass for Activity and ListActivity.
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Sep 3, 2010
So I've recently released an application on to the Android Market. Whilst it was in the "Just In" section I was seeing decent download numbers, but since then interest seems to have dropped off significantly. I think now people can only find my app through a specific keyword search, which doesn't make me particularly confident about it ever becoming popular.
What can you do when your app has passed the 'Just In' stage but has not reached the 'Featured' stage? The majority of applications seem to be in this middle stage so I think other people must have a similar problem. It seems like the 'Featured' section just makes the popular apps more popular, and makes it really difficult for newer apps to ever catch up with them. Does anyone know if the situation with the Apple App Store is any different?
It seems to be possible to refresh your app and make it appear in the 'Just In' section again if you update it sometime after, but I can't find any real guidelines on this. Is anyone familiar with the specific rules for this, and is repeatedly riding the 'Just In' buzz the only viable strategy for a new app?
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Aug 5, 2012
Is there any strategy war games for android? Like click and point type.?
Nexus 7 using xda premium
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Nov 24, 2010
We have been working on making a Android Application. The issue we are facing is the support across various Handsets, which actually are increasing by everyday. Our application deals with Android Calendar. Does anyone have idea about as to how we can span across the various handsets, is there a way where we can give types of handsets supported, or MARKET can handle it on its own?
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Nov 24, 2010
We are planning on this strategy to distribute our application to clients. We would like to get your your thoughts, if you have done something similar, in terms of whether we are missing something. We have tested this approach and it works.We want to distribute our application to our clients without putting it on the market as we do not want every one to download it. We want our clients to be able to easily get future upgrades to the application. Here is how we are planning to do this:
1. export the apk file using the Eclipse wizard.
2. put this apk file on a website. The user will be able to go to this website on the browser on the phone and install the 1st version of the app.
3. next versions of the app will have an incremented android:versionCode, and android:versionName in the manifest. A button in the settings will point to a link which will have the next version of the app. So to upgrade the user will click on this settings button and download the next version and click on the apk file to replace the old version.All subsequent versions of the app will be signed by the same certificate using the export wizard in Eclipse
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Apr 15, 2010
In college, my senior project was to create a simple 2D game engine complete with a scripting language which compiled to bytecode, which was interpreted. For fun, I'd like to port the engine to android. I'm new to android development, so I'm not sure which way to go as far as deploying the engine on the phone. The easiest way I suppose would be to require the engine/interpreter to be bundled with every game that uses it. This solves any versioning issues. There are two problems with this. One: this makes each game app larger and two: I originally released the engine under the LGPL license (unfortunately), but this deployment strategy makes it difficult to conform to the rules of that license, particularly with respect to allowing users to replace the lib easily with another version. So, my other option is to somehow have the engine stand alone as an Activity or service that somehow responds to intents raised by game apps, and somehow give the engine app permissions to read the scripts and other assets to "run" the game. The user could then be able to replace the engine app with a different version (possibly one they made themselves). Is this even possible? What would you recommend? How could I handle it in a secure way?
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