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After split array gives only first character
You need to escape the original special character:
Technical answers from my Stack Overflow history, with source links and licenses.
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Showing 30 of 231 answers tagged android
Exported May 9, 2026
- 1score342viewsyesstatusCC BY-SA 3.0
detect all urls in img tag in a large string + android
Unless you are Chuck Norris or Jon Skeet, you shouldn't use RegEx to match HTML. I would suggest using Jsoup . Here is an example using the string from your question:
- 1score213viewsyesstatusCC BY-SA 3.0
How to totally clear a Gradle dependency (Android app)
Change To The design library has the recycler view as a dependency. You also have a duplicate AppCompat. Make sure all support library versions are the same.
- 1score545viewsyesstatusCC BY-SA 3.0
Call a Method from another Method Android
It looks like goBack(View) is most likely from an onClick setup in your layout XML. Since you aren't using the view, just pass null :
- 1score343viewsyesstatusCC BY-SA 3.0
.puz file picker- Android
Add the following intent-filter to the relevant activity tag in your AndroidManifest : Add the following code in onCreate(Bundle) to check if the Activity was started from another app: Note: File managers might use...
- 1score1.1KviewsnostatusCC BY-SA 3.0
Loading bitmap to a menu item in a loop with Picasso
Create a class where you can keep a strong reference to a Target . Full working example:
- 1score430viewsyesstatusCC BY-SA 3.0
Is there any way to enforce android.support.v7.appcompat.R.drawable.abc_ic_clear_mtrl_alpha as white color
AppCompat resources can change in future updates. You should put a close button in your resources and use that drawable instead. If you want to make the current drawable white, then you can apply a ColorFilter ....
- 1score55viewsnostatusCC BY-SA 3.0
Will Android PackageManager accept an app claiming systemOrSignature permission?
The app will be installed but a SecurityException will be thrown if you use a permission the system cannot grant. You can read more about permissions here: System Permissions | Android Developers
- 1score272viewsyesstatusCC BY-SA 3.0
How does getItem() really work in android developer's sample universal music player app?
The constructor for BrowseAdapter calls the parent constructor ( see ArrayAdapter.java lines 154-164 ). The parent constructor creates a list of items ( see lines 175-182 ). Items are added to the adapter which adds...
- 1score98viewsyesstatusCC BY-SA 3.0
Android: How to change the colour of menu icons
On phone, will improve later. This should work:
- 1score2.5KviewsyesstatusCC BY-SA 3.0
Programmatically accessing the KNOX counter
I just decompiled KNOX Status . It looks like all the app is doing is getting the system property ro.boot.warranty_bit . I'm not sure if this still works and I don't have a Samsung at the moment to test. In terminal...
- 1score922viewsnostatusCC BY-SA 3.0
Android Standard Pre-Material Design Icons library
You can download the old ActionBar (Holo styled) icon pack that was on the official Android developer website here . This github repo also has the Holo styled icons.
- 1score4.4KviewsyesstatusCC BY-SA 4.0
Unable to execute dex: method ID not in [0, 0xffff]:65536 in eclipse
You surpassed the 65k method limit in DEX. Earlier versions of Android build system report the error as follows: Conversion to Dalvik format failed: Unable to execute dex: method ID not in [0, 0xffff]: 65536 You can...
- 1score355viewsyesstatusCC BY-SA 3.0
RootTools.deleteFileOrDirectory always returns false
RootTools isn't the greatest. Personally, I suggest going with libsuperuser . There are plenty of reasons why your file isn't being deleting. If you look at RootTools, it doesn't add quotes around the path. So, if your...
- 1score9.1KviewsnostatusCC BY-SA 3.0
How to get File Permission Mode programmatically in Java
As commented previously, android.os.FileUtils has changed and the solution posted by Ashraf no longer works. The following method should work on all versions of Android (although it does use reflection and if a...
- 1score44viewsnostatusCC BY-SA 3.0
Android reflection to get HTML file in package
Your code is compiled into a dex file inside your APK (classes.dex) and all resources are saved as a tree at the base of your APK. Because of this, ResourceBundle.getBundle(String) or...
- 1score274viewsyesstatusCC BY-SA 3.0
change text color item menu
This worked for me in a simple example I wrote: The code you are using should work for any MenuItem in the overflow, but does not work for MenuItem s that are always showing on the ActionBar .
- 1score87viewsyesstatusCC BY-SA 3.0
Actionbar layout doesn't look right
You currently have two Toolbar layouts in your Activity. You need to set the Toolbar using setSuppotActionBar(Toolbar) . Example:
- 1score150viewsyesstatusCC BY-SA 3.0
Inconsistent behavior between Java and Android
Are you sure you are using the same jar in both projects? Android's org.json.JSONObject.toString(String) is different: JSON.toString(Object) : In your case this would not throw an exception on Android.
- 1score2.3KviewsyesstatusCC BY-SA 3.0
Pass Integer[] to AsyncTask - Android
Change the parameters of your AsyncTask to <Integer[], Void, String[]>
- 1score623viewsyesstatusCC BY-SA 3.0
load url in webview with asynch task fails
You should not be loading a WebView in a background thread; it needs to be loaded on the UI thread. I would add a listener to your WebView and when the URL is finished loading you can add your button.
- 1score2.7KviewsnostatusCC BY-SA 3.0
Listview onClickListener is not working in Drawer Layout
In your RelativeLayout set android:clickable="true" . Or, a better approach would be to set an OnItemClickListener on your ListView .
- 1score5KviewsyesstatusCC BY-SA 3.0
How to get Signature hash code of a phone app via adb on pc？
Alex has a great answer. WARNING : Ugly code ahead I was able to get the signature in adb shell as root with the following code: indented:
- 1score470viewsyesstatusCC BY-SA 3.0
Programatically disable System Bar (Have Root access)
You will need root access to do this from an app because ADB can access /system/bin/service but your app cannot (see GID of app and ADB). You should also check out third party libraries for handling su commands:...
- 1score150viewsnostatusCC BY-SA 3.0
Change StatusBar color before Android 5.0
You can use SystemBarTint or simply copy the static factory method below and call it in onCreate(Bundle savedInstanceState) in your Activity :
- 1score2.7KviewsnostatusCC BY-SA 3.0
Change HorizontalScrollView's light color - OverScrollMode
You can set the EdgeEffect color using reflection. The following will work from API 14+:
- 1score48.1KviewsnostatusCC BY-SA 3.0
Android: Detect if user touches and drags out of button region?
Here is a View.OnTouchListener that you can use to see if MotionEvent.ACTION_UP was sent while the user had his/her finger outside of the view:
- 1score2.2KviewsnostatusCC BY-SA 3.0
Play sound every 6-10 seconds
You can get a random number between 6 and 10 like this: Here is an example to play a sound every 6 to 10 seconds: Just call playMySound(); in onCreate(Bundle) and toggle mKeepPlaying when you want to stop.
- 1score5.1KviewsnostatusCC BY-SA 4.0
Exception while decompiling apk
To answer your question, it is simply impossible to make your APK fully secure. XML files are easily parsed without apktool . I asked Ben Gruver/JesusFreke (the guy who developed smali) and he said it is impossible to...
- 1score1.1KviewsnostatusCC BY-SA 3.0
Is there any regex to find package name
Just because the app name is "2048" does not mean it is used in the package name. However, I looked up the most popular Google Play game and it does have 2048 in the package name. You could use grep to get the package....