Say I have an appender defined in the log4j.xml file below. How could I change the value “/home/logs/oarm_log.txt” to a different value that comes from a string found in the actual Java code so that the code determines where to output the .txt file? Answer Though your best go-to resource for this would be Log4j’s official documentation, I will list
Tag: xml
Attempt to invoke virtual method ‘void android.widget.ListView.setAdapter(android.widget.ListAdapter)’ on a null object reference :KOTLIN
I am getting this from Logcat 2022-01-07 20:27:46.539 14327-14327/com.example.donedoobnew2 E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.donedoobnew2, PID: 14327 java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.widget.ListView.setAdapter(android.widget.ListAdapter)’ on a null object reference at com.example.donedoobnew2.Fragments.FragmentMinistries.onCreateView(FragmentMinisteries.kt:29) FragmentMinistries.kt CListAdapter.kt } CList.kt fragment_ministries.xml item_listview.xml Answer You are trying to access ListView before inflating fragment view.
How can I transform the xtext DSL elements into XML?
I have created a grammar using xtext, and generated the DSL. Now, I want to transform the DSL elements (program that is conforming to the grammar) to XML elements. So, I am wondering if there is a framework that allows to do that using Java for example. I could open the files having the extension of the DSL using the
How to pass value from a fragment/activity to xml?
So I know data can be passed using intent between activities and fragments, but is there a way to pass the value to some XML files? Say, I have the name and email from the login page, and I can pass it from from loginActivity to mainActivity (navigation) panel, but is there a way to pass it to strings.xml in
Action bar content is not hiding
so i want to use toolbar but when i change DarkActionBar to NoActionBar in the styles,action bar doesnt remove completely and app title is on my toolbar. https://i.stack.imgur.com/0X722.jpg here is my xml code: what can i do? Answer i think you have in MainActivity code like this and you got the result as shown in the screenshot just remove this
The code is constantly crashing (android studio, java language)
Errors: E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.myapplication, PID: 8501 android.content.res.Resources$NotFoundException: Resource ID #0x7f070058 at android.content.res.Resources.getValue(Resources.java:1266) at androidx.appcompat.widget.ResourceManagerInternal.loadDrawableFromDelegates(ResourceManagerInternal.java:255) at androidx.appcompat.widget.ResourceManagerInternal.getDrawable(ResourceManagerInternal.java:142) at androidx.appcompat.widget.ResourceManagerInternal.getDrawable(ResourceManagerInternal.java:135) at androidx.appcompat.content.res.AppCompatResources.getDrawable(AppCompatResources.java:104) at androidx.appcompat.view.menu.MenuItemImpl.getIcon(MenuItemImpl.java:505) at androidx.appcompat.view.menu.ListMenuItemView.initialize(ListMenuItemView.java:131) at androidx.appcompat.view.menu.MenuAdapter.getView(MenuAdapter.java:109) at androidx.appcompat.view.menu.MenuPopup.measureIndividualMenuWidth(MenuPopup.java:161) at androidx.appcompat.view.menu.StandardMenuPopup.tryShow(StandardMenuPopup.java:174) at androidx.appcompat.view.menu.StandardMenuPopup.show(StandardMenuPopup.java:208) at androidx.appcompat.view.menu.MenuPopupHelper.showPopup(MenuPopupHelper.java:296) at androidx.appcompat.view.menu.MenuPopupHelper.tryShow(MenuPopupHelper.java:182) at androidx.appcompat.widget.ActionMenuPresenter$OpenOverflowRunnable.run(ActionMenuPresenter.java:792) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5254) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) FirstScreenActivity: SecondScreenActivity:
How can I change the width of an image button in a horizontal scroll view?
I’m trying to create a page that looks like the contribution page of GitHub (like each square represents a day, and the transparency of the square represents the number of commits). I want the page to look something like this: So, I made a horizontal scroll view because I want the section of squares can be scrolled horizontally. And I
Can I skip/omit a log4j2 configurationFile that doesn’t exist to fall back to an existing one?
I am running log4j2 logging in a java application with not the most flexibility in setup. We have an existing log4j2.xml configuration file in the classpath of our application that exists within an executable jar. I can modify the jar but not what calls it or is outside of it (I don’t control the environment). I would like to add
JAXB – Unmarshalling of abstract classes (InstantiationException)
I know, that it might seem that this question is a duplicate of this one: InstantiationException during JAXB Unmarshalling (abstract base class, with @XmlSeeAlso concrete sub class) However, it is slightly different: We are using the maven-jaxb2-plugin to generate our Java-classes from xsd-files. You can find them here. In our pom we are using the following configuration (we are using
Fragment Inside a Fragment Not Working with ScrollView
When I am Using Fragment Inside a Fragment with ScrollView It is not working. In My Case the FirstFragment is fine. the fragment that is inside is not showing in full screen and lot of contents in BooksFragment are disappear this is My FirstFragment ‘s XML : </androidx.constraintlayout.widget.ConstraintLayout> This is My FirstFragment ‘s JAVA : This is My BooksFragment’s Xml: