Android :: Matching SDK Version To Code - NPE Bug In WebView?
Mar 15, 2009
I wrote an app that, among other things, renders feed articles using WebView. Now I get error reports that seem to originate in WebView:
-- NewsRob Version: 1.7.0/170 -- Android Version: sdk=2, release=1.1, inc=128600 -- Thread State: RUNNABLE -- Stacktrace: java.lang.NullPointerException at android.webkit.CacheManager$1.run(CacheManager.java:391) at java.lang.Thread.run(Thread.java:935)
I've got another report with the same content, but a different incremental version of the sdk (126986). Probably one from the US and one from the UK. So now I would love to know why the code blows up and if there is anything I can do about it. And with the source files and line numbers I felt in good shape to so. If only I could match them to the public code repositories ;-(............................
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Dec 15, 2009
I was trying to do a memory game on android, but i can't figure out the code that matching 2 button with the same image..
CODE:..................
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Aug 13, 2010
I would like to preemptively get the HTML code of a webpage that is to be loaded in a webView, parse it using regex, and display only the HTML code that I want, while letting the webpage still think it has loaded everything. Is there any way to do that in the WebViewClient.onLoadResource() or similar methods?
EDIT: I tried this:.............................
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Mar 4, 2010
Is there a method to catch HTTP error codes with a WebView? Because my goal is to capture a 401 code but nothing happen with "onReceivedError".
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Mar 15, 2009
it failed that i try to get android.R.attr.minSdkVersion. Would you like to let me know how to get SDK version in my application code?
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Apr 21, 2009
I sometimes get bug reports that are caused by an OutOfMemory error. It happens when creating a bitmap, but I am pretty sure that it is not the bitmap size that is the real problem, because the instantiation of those images happens > 100.000 times a day without an error report. Those png images are of 4K size (on disk) anyway.
Those bug reports are very infrequent, but still I would love to get rid of them. I can't reproduce the memory growing over 10 MBs (actually way less) when using the app myself and monitoring the memory consumption in DDMS. I also, at no point in time, cache something or hold on to more than one item (article in my case) at a time, except in one list. There the list caches the visible components, which cannot amount to much too and is default functionality from the Android framework.
..........................
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Nov 24, 2010
In Android I get the version of the SDK easily (Build.VERSION.SDK) but I need to use LabeledIntent only if the platform is newer than 1.6 (>Build.VERSION_CODES.DONUT) I suppose that Reflection is necessary (I have read this link but it is not clear for a class or to me). This is the code but it gives me an exception because in my Android 1.6, the compiler verifies if the package exists even if the condition is not applied:
Intent theIntent=....;
if(Integer.parseInt(Build.VERSION.SDK) > Build.VERSION_CODES.DONUT)
{
try{
Intent intentChooser = Intent.createChooser(intent,"Choose between these programs");
Parcelable[] parcelable = new Parcelable[1];
parcelable[0] = new android.content.pm.LabeledIntent(theIntent, "", "Texto plano", 0);
intentChooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, parcelable);
activity.startActivity(intentChooser);
}
catch(Exception e)
{
activity.startActivity(theIntent);
}
} else
{
activity.startActivity(intentMedicamento);
}
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Feb 11, 2009
I don't know where to put the bug report of APIs.
I use WebView to display some pages in my dictionary software. I met some problems with WebView.
1) could not handle the color values When I use the HTML code: <font color="#00FF00"></font> the WebView could not handle this type of tags. But <font color="red"></font> can work well.
This bug exist both in SDK1.0 & SDK1.1
2) Chinese Char: I use UTF-8 as the charset, and if there exist some Chinese chars, then this HTML code could not be displayed in WebView: <html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head> <body> <p><font color="red">[-------- 美国 统词典[双解] --------]</font></p> </body> </html>
This bug exists in SDK1.1.
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May 8, 2012
how to program/write code on a "webview" in Android for loading a html file?
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May 19, 2009
Can I get current SDK version (like 1.0 or 1.5)in the program code?
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May 21, 2010
Is there a simple way to find the current version of my application from with it? I would like to add the version string to the about screen.
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Oct 15, 2009
Is it possible at runtime to determine whether the platform is running cupcake or donut? Due to some variation in my app between the two versions I'd like to run different code based on the SDK version.
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Jan 20, 2009
I want to ask a question about the android source code - after building the code how and where can I test the built version, and what files that I need from the built version.
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Jan 23, 2010
How do you retrieve the current version code of an app's manifest? I don't need to access another application, I'm talking about My app accessing its own version code.
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Nov 11, 2009
it is not available in 1.5. i went to do this then -- public static String getMfg() { if (compareVersion(android.os.Build.VERSION.RELEASE, "1.6") >= 0) { return android.os.Build.MANUFACTURER; } return "unknown";}
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Aug 23, 2010
Is there a simple line of code that would allow only loading the code if the OS version meets the requirements? Lets say I have my target OS as 2.2 but the min sdk is 3 for android 1.5 so even if i have some code in my project that isn't compatable with 1.5 it will still compile since the target OS is 2.2. Anyway, I want to ad a feature that requires code that's not in the 1.5 SDK and will cause a crash if it's loaded on a 1.5 phone. Is there a simple thing like this that I can do? So i dont have to make the entire app not available to 1.5 users?
if (Android OS == >2.1){
//Insert code here that requires 2.1 and up}
else{
//insert code that would appear is OS is <2.1}
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Dec 15, 2009
My old development process allowed me to make any change in the java code and use eclipse's Run button to install the updated package to the emulator.
Now I get [2009-12-15 11:51:55 - Scoopful]Application already deployed. No need to reinstall. even though the code has changed.
I realize the manifest version Code is used to determine if the app has changed and it works fine if I bump up that number. This did not used to be necessary and it slows down development when I have to enter AndroidManifest and make a change with every deploy to the emulator. Is there a way around this?
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Oct 20, 2010
Ho could I get Android version of a running device using java code?
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Aug 27, 2010
I am having the contact source code which i want to build on eclipse & test on emulator,but the contact application uses some of the hidden APIs of base code which is not present in default android.jar because of that i am getting lot of error in my code. I am trying to generate my own android.jar using "Android sdk - Including hidden APIs." option in android.mk of framework directory, but still the hidden APIs not getting exposed in android.jar. how to customize the android.jar in order to make all hidden APIs exposed to application.
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Jun 4, 2009
We have a paid app in the market place, we would like to release a demo of the paid app. I was hoping we could just recompile w/ the same package name, but apparently that does not work. I have tried manually changing package name etc, but it is a chore, and it seems that several things that automatically happen in eclipse cause more harm than good when renaming the package name. Which brings me to my next question. If having a new package name is the only way to accomplish this. Is there an easy way to fork the paid app, where keeping the changes synchronized is easier? Some kind of Source Control?
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Sep 17, 2009
I've synced my android repository just after android sdk 1.6 announced, but found some problem to install my apps with native code (so built by NDK 1.5_r1) then.
I tried to build NDK with the latest source code, bu unfortunately, faile again :( .
So is there any way to get particular version of android source code? for example the android-1.5r3 tag. Would be great if some command like "svn switch /foo/bar/1.5r3" is available.
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Sep 15, 2010
How can I get my Launcher Pro "plus version unlock code"?
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Mar 4, 2010
where to find the version information in source files on Android platform? I try to find out some information listed in setting>>about phone.
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May 26, 2009
How do I get the device (G1, magic, i7500, etc) programmically, as well as the version of the android platform (1.0, 1.1, 1.5, etc)...
Especially how do I tell an ADP1 and a G1 appart on the device (programically!)...
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Sep 20, 2010
I have two vertical TableLayouts containing rows of TextViews separated by some graphics. Something like this:
R-L Graphics R-R R-L R-R R-L R-R R-L R-R R-L R-R
The R-R TextViews have a fixed width, which means they grow vertically when the text is longer than will fit in the width. The text is set at runtime so this height is not known in advance. I want the height of the R-L rows to exactly match the height of the R-R rows with the R-R rows being the reference source for the height. Once I do a TextView.setText and a TextView.setWidth on the R-R TextViews, the height of those TextViews should be determined. Then I can do a TextView.setMinHeight on the R-L TextViews. But I'm having trouble getting the height value from the R-R TextViews. The TextView.getHeight method returns zero.
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Aug 21, 2010
Anyone else seen this on the featured apps page? Games and Apps tabs working ok though. I guess it's a market error.
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Jun 10, 2010
I need to check in code what Android release version is running currently on target device
Can you supply code example
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Sep 29, 2009
I have written an Instrumentation class for testing some application. I want to run some automation actions on Contacts activity (system application). But I have "signature does not matching" problem when start instrumentation. How can I run this instrumentation on system application?
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Jul 10, 2009
I have a recent "repo" copy of the platform tree and I noticed that the kernel sources included in it are incomplete. For example, the arch/arm/mach-goldfish directory is not present, but devices from this directory are present in the kernel that the emulator boots. How can I get a more complete copy of the linux kernel sources? Are there tags for lining up these sources with the prebuilt kernel that is shipped in the platform tree?
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Nov 17, 2012
I've been trying to organize the phone numbers in my address book so that:The phone calls I receive show the contact name (and not only the number).
The SMS messages I receive show the contact name (and not only the number).Android is able to join the WhatsApp contact with the main contact based on the phone number.
I live in Brazil and the phone numbers have a few particularities: you can include the country code or not (55), you can include the city code or not (which is usually prepended with a 0), you can include the phone carrier code or not, etc. So matching those numbers is not a trivial problem.
I have the impression that Android has an internal logic for dealing with this issue. But it's not working particularly well for me. If this logic is configurable?The issues I'm having right now are:The numbers shown in the SMS messages don't have a consistent pattern:
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