Android :: Android Out Of Memory Error - Loading JSON File

May 22, 2010

The app I am working on needs to read a JSON file that may be anywhere from 1.5 to 3 MB in size. It seems to have no problem opening the file and converting the data to a string, but when it attempts to convert the string to a JSONArray, OutOfMemoryErrors are thrown. The exceptions look something like this:

E/dalvikvm-heap( 5307): Out of memory on a 280-byte allocation.
W/dalvikvm( 5307): Exception thrown (Ljava/lang/OutOfMemoryError;
) while throwing internal exception (Ljava/lang/OutOfMemoryError;)

One strange thing about this is that the crash only occurs every 2nd or 3rd time the app is run, leaving me to believe that the memory consumed by the app is not being garbage collected each time the app closes. I'm not quite sure what the best approach is for such a task.

Android :: Android Out Of Memory Error - Loading JSON File


Android :: Loading Raw Resource Text File / Out Of Memory Error

Sep 15, 2010

I use this method couples of occasion to load text file to display as help file. But I don't know why the following code didn't work. It seems to hang and logcat says "OutOfMemoryError"? All I did was break this out as an separate activity.

---xml---
<?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/helptab"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView android:id="@+id/helptext"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
</ScrollView>

---code---
import java.io.DataInputStream;
import java.io.IOException; import java.io.InputStream;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class Help extends Activity {
/** Called when the activity is first created. */
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.help);
InputStream iFile = getResources().openRawResource(R.raw.help);
try { TextView helpText = (TextView) findViewById(R.id.helptext);
String strFile = inputStreamToString(iFile);
helpText.setText(strFile);
} catch (Exception e) {
} }
public String inputStreamToString(InputStream is) throws IOException {
StringBuffer sBuffer = new StringBuffer();
DataInputStream dataIO = new DataInputStream(is);
String strLine = "";
while ((strLine = dataIO.readLine()) != "") {
sBuffer.append(strLine + " ");
} dataIO.close();
is.close();
return sBuffer.toString();
}

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Android :: Out Of Memory Error .. Trying To Parse XML File

Nov 5, 2009

In my application. I tried to parse XML file. First time it executed correctly. Second time it is showing Out Of Memory Error.

My XML file contains 15000 lines.

can any one know about this?...

My log cat is given below:

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

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Android :: Error Parsing JSON Data

Oct 12, 2010

If I run my php file manually I am getting the output as follows:

CODE:.....

The php code is as follows:

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

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Android :: Com.google.gson.JsonParseException - Failed Parsing JSON Source - Java.io.BufferedReader To Json

Jul 29, 2010

I am trying to parse a json object using gson in Android application ,the test passed quite gracefully in emulator ,while i used the actual device ,the problems started.
I am getting the exception as follows.

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

I am using gson 1.4 version.The code i use is:

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

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Android :: JSON Deserializing With Json Parsing In Droid App / What It Means?

Sep 24, 2010

What is "deserializing Json" means, I had seen this term on the Web. I don't know the meaning od this particular term So, it would be great if anybody can explain me about What it means actually?

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HTC Incredible :: Facebook - Malform Json Error

May 5, 2010

Im getting a malform json error on my incredible when I try and refresh the news feed.

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In-memory DEX Loading Function Removed In Android 4.4

Jan 9, 2014

Noticed in Android 4.4, Google removed one of internal functions in class, DexFile:

native private static int openDexFile(byte[] fileContents);

which is capable of performing loading dex from byte-array without going through reading the dex file on disk, which has proven to be very useful

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Cannot Access Content From Json File

Oct 8, 2011

I am trying to login in a website via HTTP post and then via HTTP get download a json file (.do file with json content). This json file url contains a group of parameters that I already sent on the url. Although, I can successfully login I cannot access the content from the json file - I'm downloading the html code of the site - i have already tried for an image or a css and it works.The code goes like this:

Code:
HttpClient client = new DefaultHttpClient();
HttpPost req_post = new HttpPost(url_post);
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
[code]...

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Android :: Resolve Error While Loading Dexed JAR

Jun 16, 2010

I'm trying to make a bundle for Felix on Android which may take photos regularly.
All the code compiles well and it can be resolved by Felix, but when I try to start it, I get an exception (java.lang.VerifyError) and this trace in logcat :

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

The CameraHandler class opens a Camera object, and implements PictureCallback and AutoFocusCallback.

The .jar file has been 'dexed', via a simple 'dx --dex --output=classes.dex ... && aapt add ... classes.dex'.

I don't know why this error raise, so if someone has a solution...

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Android :: Loading From Compiled XML File

Jun 30, 2010

I have some xml files with a custom format (based on the scxml specifications) that I want my program to read. I've already written the code to read it, but I'm running into problems actually reading the file itself. I want the file to be compiled with the apk, as it will not be changed at all during run time. So I put the file (test.xml) in the res/xml/ folder, and got the inputstream by using:

getResources().openRawResource(R.xml.test);
But when I read in this inputstream it is complete jibberish, which makes me suspect it is being read in binary, as openRawResource() is often used for binary files like images, if I am correct. What is the correct way to do this?

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Android :: Error Loading Java.awt.font In Eclipse Project?

Sep 16, 2010

I've seen a few places where this was asked but I haven't seen where it's been resolved. I've just installed the tools needed to develop Android applications. This includes, of course, Eclipse. When I try to open the res/main.xml file, I get the error 'could not initialize class java.awt.font'.I'm running the newest version of Eclipse and all the software required for Android development. I'm running on Ubuntu 10.04 32bit. Sun JDK and JRE are installed.

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Android :: Dynamically Loading JAR File At Runtime

Mar 18, 2009

I am storing the required test.jar file in the /sdcard. I want to load it dynamically at runtime and want to execute a function xyz() resides in that. For this purpose I had written following code:
But got ClassCastException : dalvik.system.PathClassLoader

Following is my code ,
import java.io.File; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader;

import android.app.Activity; import android.os.Bundle; import android.util.Log;
public class Collabera extends Activity {
/** Called when the activity is first created. */
private static final Class[] parameters = new Class[] { URL.class };
public static void loadURLClass(String classPathURL) throws IOException {
File f = new File(classPathURL);
URL url = f.toURL();
URLClassLoader systemLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
Class systemLoaderClass = URLClassLoader.class;
try { Method method = systemLoaderClass.getDeclaredMethod("addURL", parameters);
method.setAccessible(true);
method.invoke(systemLoader, new Object[] { url });
} catch (Throwable t) { t.printStackTrace();
throw new IOException( "Error, could not add URL to system classloader");
} }
@Override
public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.i("See","**************Before Loading Class Path**************");
try { Class.forName("test.Test1");
} catch (ClassNotFoundException e) { System.out.println(" Test Class Not Found ....");
} Log.i("See","**************After Loading Class Path**************");
try { loadURLClass("//sdcard//test.jar");
Class c = Class.forName("test.Test1");
Log.i("See"," Test Class Found ....");
Method method = c.getMethod("xyz", null);
Object o = c.newInstance();
String s = (String) method.invoke(o);
Log.i("See","Got method: " + s);
} catch (ClassNotFoundException e) { System.out.println(" Test Class Not Found ....");
} catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace();
} } }

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Android :: Loading HTML File On View

Nov 2, 2010

I have one html file and I want to load that html file in view for loading ping images. I was doing:
android:background="@drawable/tips"
This in xml file but how to load html file in view?

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Android :: Loading APK File On Device For QA / Testing

Sep 7, 2010

I'd love to get some ideas on best practices for testing our Android software, especially for AT&T devices. We're using a Samsung Captivate, on AT&T. As you know, AT&T disables sideloading (no Unknowns Sources option in Settings->Applications). We need to have our QA team load our apk file onto these devices as part of our testing and validation process. We're willing to install the SDK if needed, and upload the apk file via USB. We are not willing to root the phone.

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Android :: Loading More Than One Layout File For An Activity

Apr 29, 2010

How can we use more than one layout file. I have implemented a cutom dialog.That means i have created an layout file for dialog. And one layout file for my activity. But whatever the UI items in dialog layout ile if iam using them by findViewById it is giving me null

I will explain in details here @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); applicationContext=getApplicationContext();

Dialog folder=new Dialog(this); folder.setTitle("Creating folder"); folder.setContentView(R.layout.create_folder); TextView tv=findViewById(R.id.folder_text); //Here folder_text is in my second layoutfile ie in create_folder.xml //In the above statemet i got the null to tv variable. folder.show();

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Android :: Loading HTML File From SD Card In Web Browser

Jan 19, 2009

How to load simple html file present in sd mmc card from web browser. It is mentioned in the net that due to security reasons this is not allowed. Is there any way to access the file from sdcard? Tried modifying private String homeUrl =
"file:///sdcard/index.html";
in BrowserSettings.java file but browser throws an error "could not be loaded".

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Android :: Loading HTML File From Local RES Directory

Sep 29, 2010

This should be very simple, but I can't find the answer anywhere. How do I load an html file (which I assume I keep in res/raw folder) into a webview?
neither mWebView.loadUrl("file:///raw/about");
or
mWebView.loadUrl("file:///raw/about.htmal");
works.
What's the correct syntax or arrangement.

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Android :: Dynamic Loading Of Complete Layout File

Jul 1, 2010

I'm dealing with a problem you guys might not have faced earlier. I'm having a use-case in my Android application where the actual screen that I want to show to user is not stored in any layout file of my application. The layout of the of the screen is designed by server in this case, based on selection made by user on first screen.

Let me elaborate here,
1st Screen : List of check box with different biller names. (Imagine I've selected 2 billers from this screen)
2nd Screen : (The screen that server has decided how it should look like)
* Header,
* 1st Biller name (Label)
* Amount for 1st Biller TextBox
* Image (a Separator image)
* 2st Biller name (Label)
* Amount for 2st Biller TextBox.
* Here there can be a checbox/radio/another TextBox anything.
* Image (a Separator image)
* Button (to submit above form back to server)

I hope makes some sense in what I'm planning to design. The current issues I'm dealing with are as below.
1). How to draw this dynamic widgets?
2). How to fetch user Inputs from this dynamically created widgets?

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Android :: Loading 3D Models - OBJ File Into My Own Model Class

Mar 11, 2009

How are people here loading in their models? I'm just manually parsing a OBJ file into my own model class and drawing that.

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Android :: Loading External Data On Local File In WebView

May 27, 2009

when I load external web page, image or javascript file from local webpage. I can't see external image and can't load javascript or webpage. But I can only see local image. Why I can't load external javascript, webpage or image? Here is the HTML source. (of course, I filled right [daum open API key])

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http:// www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <meta
http-equiv ="Content-Type" content="text/html;
charset=UTF-8"> <title>Daum 지도 API</title>
<script type="text/javascript"
src="http://apis.daum.net/maps/maps.js?
apikey=[daum open API key]" charset="utf-8"></script> </head> <body>
<div id="map" style="width:600px;
height:400px;
" style="border:1px solid #000">
</div> <img src="http://4.bp.blogspot.com/_2-7AdSkZA7I/RlCnDhD3ZfI/ AAAAAAAAE9U/LEHMtyVLdY8/s400/CutyTale10.jpg">
<img src="file:///android_asset/coffeebean.jpg">
<script type="text/javascript">
var map = new DMap("map", {point:new DLatLng(37.48879895934866, 127.03130020103005), level:2} );
</script> <iframe src="http://www.daum.com" width="300" height="150"></iframe> </body> </html>

and I use this Activity source
package bo.my.android.test;
import android.app.Activity;
import android.os.Bundle; import android.webkit.WebView;
public class OpenAPITest extends Activity {
WebView webView;
/** Called when the activity is first created. */
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.main);
webView = (WebView) findViewById(R.id.webView1);
webView.setWebViewClient(new DaumMapClient());
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("file:///android_asset/daummap.html");
//webView.loadUrl("http://www.daum.net");
} }

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Android :: Loading String Values From File Instead Of List In Class

Nov 1, 2010

I think I have a pretty easy problem to solve, but I have been beating my head against the wall for hours trying to get past it! I have an adapter that loads a list of URLS:
adapter=new MyAdapter(this, lStrings);
list.setAdapter(adapter);

The list of URLS looks like this:
private String[] lStrings={
"http://www.domain.com/file1.jpg",
"http://www.domain.com/file2.jpg",
"http://www.domain.com/file3.jpg",
};

What I want instead is to load these values from a text file that lies on the SD card. For that matter, I would be okay with loading the values from a text file into a String, and then load the String into the list as I imagine that would be the "cleaner approach". However, all attempts to do this have failed. For instance, I replaced the above snippet with this:

private String[] lStrings=
{ MainActivity.this.getString(R.string.myurllist) };
but then I get a Forced Close on loading.

I'm a bit new to Java, Android, and development in general.

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How To Program / Write Code On Webview In Android For Loading HTML File

May 8, 2012

how to program/write code on a "webview" in Android for loading a html file?

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Android :: Android - Loading External JS File Into Webview And Functions Access

Oct 19, 2010

I have a JS file that has functions to search a document for substrings. I want to access functions inside this file by passing parameters to it (the search keyword). I know we can use .loadUrl("javascript:~~~~~) but I'm not clear on how to do it using multiple functions.

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Android :: Out Of Memory Error Due To App's Fault?

Jun 16, 2010

i have a aplication on the android market, in wich exceptions and errors are catched and sent to me by acra. But i receive quite a lot out of memory errors.. In different kind of classes...some my app, some general java.. Does this always mean there is a problem in my app, or can it also be the phone ran out of memory due to a other process? Will users also get a fc dialog?.....................

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Android :: SetImageURI Out Of Memory Error

Jun 11, 2010

I have a very small activity that must show an image.

If picture is not very small (for example 1.12 Mb 2560x1920) it produces out of memory on change screen orientation. I tried getDrawable.setCallback(null) but no luck.

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

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Android :: Memory Error With UI Elements

Sep 1, 2010

In my application I change layouts very frequently with most of the user interactions. Each time when a new layout is drawn, the applications memory size is increasing. I can see this in DDMS. This is absolutely fine. I have analyzed my application with memory analyze tool and it shows that there around 42 Table layouts at some point of time and this number increase as user does more interactions with the app. Now my question is why doesn't the GC collect the stale layout objects. Does GC collect on UI widgets also??? I feel it does but can any one tell me what may be the reason for GC not collecting my UI elements.

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Android :: Memory Error With Threads

Mar 4, 2010

I have a couple of worker threads in my app which I stop and restart during onPause() and onResume(). I use a method that clears all the reference to and from the threads when stopping. However ThreadGroup is still retaining a reference to my threads and causing a small memory leak. After pausing and resuming my app about 40 to 50 times I will then get OutOfMemory Errors when loading bitmaps. Allthough this doesn't effect most of my users I do get occasional reports of crashes. How can I remove the references to my threads from ThreadGroup so that GC can do it's job.

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Android :: How To Handle Out Of Memory Error

Jun 14, 2010

I am using following code to display bitmap in my imageview.
when i try to load image of size for example bigger than 1.5MB it give me error
any one suggest me solution? code...

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Android :: Android WebView Not Loading A JavaScript File But Android Browser Loads It Fine

Jun 3, 2010

I'm writing an application which connects to a back office site. The backoffice site contains a whole slew of JavaScript functions, at least 100 times the average site. Unfortunately it does not load them, and causes much of the functionality to not work properly. So I am running a test. I put a page out on my server which loads the FireBugLite javascript text. Its a lot of javascript and perfect to test and see if the Android WebView will load it. The WebView loads nothing, but the browser loads the Firebug Icon. What on earth would make the difference, why can it run in the browser and not in my WebView? Any suggestions.
More background information, in order to get the stinking backoffice application available on a Droid (or any other platform except windows) I needed to trick the bakcoffice application to believe what's accessing the website is Internet Explorer. I do this by modifying the WebView User Agent.Also for this application I've slimmed my landing page, so I could give you the source to offer me aid. package ksc.myKMB;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.Window;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebSettings;
import android.webkit.WebViewClient;
import android.widget.Toast;
public class myKMB extends Activity {
I already have JavaScript on the web browser on, the problem is the web view is acting to different from the web browser.

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