Android :: Will WebView Cache Persist Between Application Runs?

Mar 16, 2010

I have a WebView. I'm not quite sure how caching works for it. Ideally I'd like to load a web page from the network once (images included), then from then on only ever load it from the local cache. I'm not sure if we have this level of control over webview. Will it at some point just auto-clear the cache? How could I tell? I need to be sure that it's really keeping the page cached between different runs of my application.http://developer.android.com/reference/android/webkit/WebSettings.html.

Android :: Will WebView cache persist between application runs?


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Android : How To Move WebView Cache To SD?

Aug 2, 2010

I've seen some apps like dolphin browser (not the HD version, the normal one) utilizing a cache-to-sd for webview but i can't seem to figure out how to do this, does anyone know how to do this or point me in the right direction?

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Android :: How Do You Approach Various Devices Your Application Runs On?

Jul 23, 2010

For my first application, the only testing I've really done to this point is on my Droid X. I want to think through the various hardware differences and come up with a testing plan that is representative of the Android landscape. My initial thought is to create a list of emulators that have unique qualities such as screen size and SDK levels. I've noticed very quickly how the UI of my application will need some adjustment when viewed on devices that don't carry a 4.3" screen. How have you approached this hurdle in your own development? Chris Stewart cstewart...@gmail.com http://www.androidsdkforum.com *Want to advertise your Android application for free? Email me for details!*

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Android :: Eclipse No Longer Runs Application

Jan 14, 2010

After deleting a phone device from the emulator, I can no longer hit the green triangle button in eclipse and have it launch my application in the emulator. I had been developing for 2.0.1, but then decided to try my app out in 2.1. I created a phone device for 2.1 and tried running it. I encountered some problems. Eclipse pops up a dialog box: Problem Occurred, Launching "my app" had encountered a problem. An internal error occurred during: 'Launching my app". When I look at details, it says: An internal error occurred during: "Launching Pingo". java.lang.NullPointerException.

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Motorola :: Can Java Application Runs On Android

Dec 8, 2009

I m a programming noob here..i need help on some issues here. I understand that Android is built from Java. I need to know if i can run a java application on android? Or can i run the application with minor change to the current coding? I read about Java ME can run on android but what abt .Jar file?

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Android :: Want To Close Application / No Longer Runs In Background

Jan 19, 2010

I want to close my application, so that it no longer runs in the background.How to do that? Is this good practice on Android platform?If I rely on the "back" button, it closes the app, but it stays in background. There is even application called "TaskKiller" just to kill those apps in the background.

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Android :: Application Tracking Jogging Steps - Runs In Background?

Jun 23, 2010

Anyone have a favorite simple paid / free application they use while jogging? I noticed some remarks that accuracy seems to differ across different jogging applications, and some stop tracking if you get a phone call or text message. Any GPS jogging applications that run also in the background so you can call or text?

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Android :: Loading Cache When Offline In Android Webview

Sep 24, 2010

i have an application which loads urls from a website. Now i want that the aplication uses the cache when offline. But i just get the failure site which says that im not connected to the website. At first i set the Cachmode to Load_Normal but this doesnt help. Next i tried a realy "silly" approach using the ConnectivityManager:

cm = (ConnectivityManager) this.getSystemService(Activity.CONNECTIVITY_SERVICE);

if(cm.getActiveNetworkInfo().isConnected()){
mfnWebView.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);
mfnWebView.loadUrl(url);
}
else{
mfnWebView.getSettings().setCacheMod e(WebSettings.LOAD_CACHE_ELSE_NETWORK);
mfnWebView.loadUrl(url);
}

but this just leads to crashing the application. Is there a simple way to load the cache when offline and existing. And just if not existing showing the failure message.

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Samsung Behold 2 :: Is There Terminal Emulator Application That Runs - Free?

Mar 10, 2010

is there a terminal emulator app that runs on this fone that is free? or is it only the better terminal emulator pro on the android market that can still run on 1.5?

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Android :: Application Cache Data?

Oct 20, 2010

I'm trying to understand the way android handles my application cache data....Some times i'll go in there and the cache directory is 6-7mb. What type of data is stored there? Is there a way in the mainifest I can say don't use cache or clear cache at Xmb ?

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Android :: Quick Application Clean Cache Missing From Market?

May 1, 2010

Quick App Clean Cache. Any one else notice this is now missing from the Market? I'm assuming its due to the fact its copy protected but now its unpurchasable. Any one know another location it can be found? I wanted to buy this but should have done it before updating to 2.1 v3.

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Android :: Clear Cache Memory When Application Exits Programmatically?

Aug 31, 2010

I have set of images fetched from internet and set it on gridview,here i have option to click here to view more,below the grid view and it fetches images and set it on grid with prevoius set of images,when i exit the application and run it again,the previous set of images remain in cache and grid shows images from cache,here i need to clear my application cache memory,when i exited my application.how can i get it.

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Android :: Where To Globally Keep / Cache Data Needed For All Application Lifecycle?

Nov 17, 2010

I'm fairly new in Android/Java programming, so some of the basic stuff is still quite confusing. So, lets say my application gets all data (articles) it requires from external XML files, it parses them to data models (Article class) and those articles will be used (displaying in lists or single article) all over the application for all it's lifecycle.

Where should I keep them? Can I create singleton class with an array containing all the articles I've parsed? Or should I save them to database and then query it on demand? (that sounds like too much work, I don't need to cache them for now) What's the best practice here?

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Android :: How To Persist A Bundle?

Jul 27, 2009

I'm well aware of onSaveInstanceState(Bundle b) and the corresponding onCreate and onRestore. What I want to do is persist the bundle somewhere simple where I'll only ever have one at a time. The functionality is to be able to resume a game from its previously stored state - not to be confused with restoring the activity during its lifecycle. I want to restore it AFTER it's been destroyed (think of turning the phone on and having a button on the game that says, "resume last game". My thoughts are that if I can just persist the bundle that I normally use for the instance state, then I should be able to reload it later upon user request. I don't want to use a provider because they seem way too over the top for what I'm doing.

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HTC Desire :: Where To Get Cache Clear Application?

Apr 27, 2010

We've had our desire's for a few weeks now and was just wondering what the phones performance is like for you guys/gals? you've all put on apps that you want and music and videos etc., has this affected the phone in anyway? Does it still run like it did out of the box or do you experience lag or other faults? Interested what you have to say.

The only gripe that I have is it is sometimes slow to access the market and takes a few seconds to load the page when scrolling down and I've got a stutter when I access an app to read reviews. Other than that it still runs smooth, I've got music, videos, apps, widgets and voice to text on mine and is easily the best phone I've ever had. Has anybody got a cache cleaner app, I can only find one for rooted phones?

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Android :: Persist File When App Closes

Jun 14, 2010

I am creating a file in my Android application as follows:

code:..........

And I write to the file during the running of the app as follows:


code:..............

This works fine but when my app closes the file gets deleted and when the app is run again all the information I wrote to it is gone.

How can I make sure the file persists even after closure of the app?

Update:I have changed MODE_PRIVATE to MODE_APPEND and the problem is fixed.

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Android :: Do Scheduled Alarms Persist Between App Upgrades?

Jun 3, 2010

My app schedules an alarm,with the alarm scheduled, what happens if I release a new version of my app, and the user upgrades the app? Will this alarm be removed? Or will it be left untouched, and fired as expected?

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Android :: Disable Home And Other Buttons To Persist App?

May 6, 2010

I am building an app which uses a WebView. This app runs at startup. Is there a way to maintain the app running(persists) even if the user presses the 'Home' or 'Back' button? In other words,pressing the 'Home', 'Back' or the other buttons shouldn't close the activity.

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Android :: Way To Persist Graphics On A Canvas (map Overlay)?

Feb 16, 2009

I've been searching around and can't seem to find a way to do this properly. I am doing some tracking where I want to draw dots on a map overlay recording previous positions. When onDraw of the overlay is called it seems the canvas is cleared so I have to redraw all of the history on every invocation. This could result in several thousands of dots being draw over time which seems to not be very efficient. Is there some flag somewhere that I have not found which tells a map overlay to be persistent? Or is there some way I can save and restore the canvas so I'm only maintaining/drawing the current point on each onDraw?

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General :: Google+ Application Cache Size Is Huge?

Jan 15, 2012

I went to do a nandroid backup and it failed, "no space on my SD card".

Thats weird, as usually have at least 4 gig on my Nexus S 4g.

Poking around, it was the cache from Google plus,).[url].... That, coupled with my titanium backup of same ate my SDCARD. easy to fix Titanium from backup it up, but the cache is still several gigs large. 40,000 + files with [number].screen extensions.

I have like 2 friends on google+, 3 posts, and can not for the life of me figure out what in the world all that data is.

I'm going to remove the data , freeze the app, but just wanted to know if noticed a disproportionate amount of data in the Google+ app compared to the amount of activity/usage I have on google+.

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HTC Hero :: Cache And Sense Application Deleted - Still Force Closes

Aug 19, 2010

Since few days ago, com.htc.bgp has been force closing on my HTC Hero. I have tried pretty much any remedy I have found on the internet, but it still bugs. Here's a list:
-Hard reset
-Deleting caches from ALL of the apps
-Deleting the HTC Sense app on Facebook.com (with hard reset)
-Turning off Facebook sync (this DID work, but losing functionality that worked just a few days ago kind of sucks).

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General :: Disable Moving Of System Dalvik Cache To /cache?

Aug 16, 2012

In cm roms, dalvik cache of system apps are generated in /cache but those data/apps are generated in /data. Is there any way to disable this behaviour? Cache partition in our phones is too small. In AOSP and AOKP and stock roms, dalvik cache is always generated in /data no matter whether its a system app. any way to achieve this in cm roms?

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Android :: OpenGL ES Application On WebView

Sep 5, 2009

I want to implement OpenGL ES application on WebView. Can the application be ported that way? I have an Applet Player which uses JOGL for rendering purpose and JavaScript for event handling. Now to port that application on Android I have completed rendering on GLSurfaceView. For event handling I need to replace the code of Javascript with something else. Can I call Javascript and parse it from my standalone application. Or I would have to use WebView class to use it.In case I need to use WebView for calling Javascript then can I draw opengl es on WebView.

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Android :: Get Location Via A Web Application Being Run In WebView?

Mar 24, 2010

M.google.com somehow requests the current location when loaded in Android's browser.

I want to do the same thing from a web page being loaded into a WebView in my own application. Is the only way to go about this with WebView.addJavascriptInterface(), or is there already a javascript interface available for webapps to use?

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Android :: Approach To Cache Large Amount Of Textual And Audio Data / In Android Application

Jul 13, 2010

We are supposed to cache textual and audio data in our application until device is booted or maximum of two days, whichever happens earlier. To get a perspective on data to be cached, note that we are to store about 200 text headers containing around 10 fields, each of length 30 bytes and about 20 sound files each about a minute long.We are getting the textual data by parsing XMLs and then we keep them in ArrayLists. The sound files are directly written inside the app storage using File I/O (and not on SDcard or Apps Cache directory).This application is to be run on devices running Android 1.5 or later.I understand, and please correct me if I am wrong, that we can cache the files either on SDcard or inside the application or inside applications Cache directory.

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Android :: Click Within WebView Causes Callback To Application

Feb 10, 2010

I'm thinking of implementing a HTML welcome panel to our Android app, which presents news and offers on the start-up screen. My question is now, if I present an offer to a specific place (with an id string) can I trigger a callback from the WebView (maybe via Java Script) to the Android app and passing that id string to make it start a new Activity which loads and shows data from a server (JSON) depending on that id string?

The second part is already implemented and working. My main concern is how to get the id string from the HTML WebView back to the Android app when the user clicks on it.

We prefer to use a WebView for that specific welcome panel, because it gives us more flexibility to customize by using HTML.

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HTC EVO 4G :: Why New Email LED Indicator Not Persist Longer?

Jun 17, 2010

How do I make the "new email" flashing green LED continue to flash forever or until I mess with the phone? It works fine, but stops flashing after a while so if I'm not staring at my phone, I could miss the LED indicator and not realize I got a new email. Using the Gmail application (not the HTC email program).

What causes the LED to stop flashing after a while? Is it because the phone is going into a deeper sleep mode that I could configure, or is it because the flashing LED indications stop and there is nothing you can do about it? I checked under notifications and didn't see any setting for "duration" of the flashing LED indicator for emails.

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Android :: How To Persist Options Selected In AlertDialog Spawned From ItemizedOverlay OnTap Method

Jun 7, 2010

In the description of how to add a list of options to an AlertDialog the official Android documentation alludes to saving a users preferences with one of the "data storage techniques." The examples assume the AlertDialog has been spawned within an Activity class.

In my case I've created a class that extends ItemizedOverlay. This class overrides the onTap method and uses an AlertDialog to prompt the user to make a multi-choice selection. I would like to capture and persist the selections for each OverlayItem they tap on.

The below code is the onTap method I've written. It functions as written but doesn't yet do what I'd hope. I'd like to capture and persist each selection made by the user to be used later. How do I do that? Is using an AlertDialog in this manner a good idea? Are there better options?

CODE:.......................

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Android :: Android - Image Cache Stategy And Memory Cache Size

Jun 21, 2010

I'm implementing an image cache system for caching downloaded image.

My strategy is based upon two-level cache:
Memory-level and disk-level.

My class is very similar to the class used in the droidfu project

My downloaded images are put into an hashmap and the Bitmap objet is wrapped inside a SoftRererence object.

Also every image is saved permanently to the disk.
If a requested image is not found into the Hashmap<String,SoftReference<Bitmap>> it will be searched on the disk, readed, and then pushed back into the hashmap. Otherwise the image will be downloaded from the network.

Since I store the images into the phisical device momery, I have added a check for preserve the device space and stay under a 1M of occupied space:

CODE:.................

This method is called sometime afte a disk writing:

CODE:..............

What I'd like to add is the same check on the HashMap size to prevent it will grow too much. Something like this:

CODE:.....................

My question is:
What could be a right MAX_MEMORY_SIZE value? Also, Is it a good approach? A good answer also could be: "Don't do it! SoftReference is already enough"

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Android :: Application Opens Webview - Remember Password?

Aug 8, 2010

1. My app opens a web view, with a web page that requires a username & password. 2. The user writes his password, and on the Android popup to remember the password he chooses "remember". 3. Now the user wants to log in with a different password. But the web view always remembers his last password and doesn't even show him the login page. How can I programmatically clear that saved password? Assuming that I know the host URL. I tried webView.clearCache(true), webView.clearFormData(). But it didn't work.

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