AsyncTask | An example to play with Asynctask in Android
kandi X-RAY | AsyncTask Summary
kandi X-RAY | AsyncTask Summary
An example to play with Asynctask in Android
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Top functions reviewed by kandi - BETA
- Initializes the main activity .
- This method executes the background thread .
- Start the ListView
- On execute post execute .
- Cancels cancelled .
- Called when a progress update .
- Get the main activity example .
- Get the success result
AsyncTask Key Features
AsyncTask Examples and Code Snippets
Lines of Code : 11License : Permissive (MIT License)
Copy@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
log.debug("Creating Async Task Executor");
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(jHipsterPr @Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
log.debug("Creating Async Task Executor");
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(jHipsterPr @Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
log.debug("Creating Async Task Executor");
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(jHipsterPr Community Discussions
Trending Discussions on AsyncTask
QUESTION
It was working fine before I have done nothing, no packages update, no gradle update no nothing just created new build and this error occurs. but for some team members the error occur after gradle sync.
The issue is that build is generating successfully without any error but when opens the app it suddenly gets crash (in both debug and release mode)
Error
...ANSWER
Answered 2022-Feb-25 at 23:22We have fixed the issue by replacing
QUESTION
I need the widget's background to be loaded from my database (either the picture itself, or the picture linked to it). After looking at many tutorials (here is an example of what I need: https://youtu.be/mOhNdP1QZ7E), I could not solve this problem. The picture is not displayed. The java class code is 100% taken from the tutorial above. Tried others too.
...ANSWER
Answered 2022-Feb-20 at 12:24you can simply use a library, which is Glide.
1. add a dependency to build.gradle (app)
QUESTION
I'm hitting an occasional crash in some code which uses Swift's new concurrency features. This crash never seems to happen on development builds, either in the simulator or when I install the code on a device directly from Xcode. However it's happening pretty frequently when folks install the code from TestFlight.
The actual crash is this:
...ANSWER
Answered 2022-Feb-10 at 13:26You cannot use semaphores in conjunction with async-await. See Swift concurrency: Behind the scenes:
[Primitives] like semaphores ... are unsafe to use with Swift concurrency. This is because they hide dependency information from the Swift runtime, but introduce a dependency in execution in your code. Since the runtime is unaware of this dependency, it cannot make the right scheduling decisions and resolve them. In particular, do not use primitives that create unstructured tasks and then retroactively introduce a dependency across task boundaries by using a semaphore or an unsafe primitive. Such a code pattern means that a thread can block indefinitely against the semaphore until another thread is able to unblock it. This violates the runtime contract of forward progress for threads.
You might consider testing with the LIBDISPATCH_COOPERATIVE_POOL_STRICT environment variable as discussed here, in the same video.
You ask:
I'm trying to bridge the divide between synchronous and asynchronous code (perhaps the wrong way).
You should refactor the code that calls this synchronous method to adopt asynchronous pattern, and then excise all blocking API (e.g., semaphore wait, dispatch group wait, etc.). Those were anti-patterns in the GCD world and are to be avoided within Swift concurrency. I understand why developers who are unfamiliar with asynchronous programming are so attracted to those synchronous anti-patterns, but it has always been a mistake, and should be excised from one’s code.
Bottom line, in Swift concurrency one must “maintain a runtime contract that threads are always able to make forward progress.” Just embrace asynchronous patterns (i.e., stay within async-await without any old-school thread-blocking techniques) and you should be good.
FWIW, the Swift concurrency: Update a sample app shows interesting techniques for incrementally updating an old app. E.g., mark this blocking method as deprecated, and then the compiler will warn you where it is called and you can direct your refactoring efforts to those offending routines.
QUESTION
i don't know much about java, just started, so i will have difficulties understanding the answers. emli5.
screenshot:
expected output:
in the recyclerview (right), these items are not aligning up like i want them to.
I want that each cell has a fixed size, and maximum number of columns possible in the grid. spacing b/w each cell (both vertical and horizontal) is equal to (left space) divided by (number of columns minus one). [with no extra space left at start, top, bottom or end]
here is the code:
...ANSWER
Answered 2022-Feb-08 at 19:13It seems like every item has right padding.
You should use addItemDecoration on your RecyclerView instead.
Or use this: https://github.com/grzegorzojdana/SpacingItemDecoration
QUESTION
I am working on a Java-based Android app. I want to start using Kotlin & coroutines for network-related work off the main thread, but I have run into an issue trying to figure out how to successfully handle a certain situation.
I have created a Kotlin file with a networking function which I plan to call in a Java class (a view model, which at this time needs to stay written in Java). The idea is that I want the networking function to modify and return a list back to the view model, and then allow the view model to proceed.
...ANSWER
Answered 2021-Nov-02 at 21:13No, this is not possible. Not because of limitations of coroutines, but the opposite - due to limitations of non-coroutine code. Your modifyData() is a regular, not-suspendable method, so it can't anyhow wait without blocking the thread. Suspend functions of Kotlin can do this, but Java methods can't.
You need to either invoke modifyData() from the background thread, so blocking won't be a problem or redesign performNetworking() to use one of classic techniques for dealing with asynchronous tasks, i.e. receive a callback or return a future:
QUESTION
I wanted to do some task in the background like in android we can use AsyncTask to do some work using UI thread, in Harmony we have EventHandler which allows us to send and process InnerEvent and Runnable objects on asynchronous threads.
I just want a simple example on how to use it.
...ANSWER
Answered 2021-Oct-18 at 09:14please check the sample -
QUESTION
This question is somehow related to my last question, because it is the same project but now I am trying to go one more step forward.
So, in my previous question I only had one table; this time I have two tables: the new second table is supposed to contain related attributes for the rows of the first table, in a OneToMany relationship. So, I store a ForeignKey in the second table that would store the Row ID of the first table's related row (obviously).
The problem is this: the intention is creating both registers (parent and child) at the same time, using the same form, and ParentTable uses AUTO_INCREMENT for his PrimaryKey (AKA ID).
Due to how RoomDb works, I do the creation using a POJO: but after insertion, this POJO won't give me the auto-generated ID as far as I know... so, the only workaround I am able to imagine is, when submitting the form, first make the INSERT for the parent, then using one of the form's fields that created the parent to make some kind of "SELECT * FROM parent_table WHERE field1 LIKE :field1", retrieving the ID, and then use that ID to create the child table's POJO and perform the next INSERT operation. However I feel something's not right about this approach, the last time I implemented something similar this way I ended up with a lot of Custom Listeners and a callback hell (I still have nightmares about that).
About the Custom Listeners thing, it is the solution I ended up choosing for a different problem for a different project (more details about it in this old question). Taking a look to that old question might help adding some context about how misguided I am in MVVM's architecture. However, please notice the current question has nothing to do with WebServices, because the Database is purely local in the phone's app, no external sources.
However, I am wondering: isn't this overkill (I mean the INSERT parent -> SELECT parentID -> INSERT child thing)? Is it inevitable having to do it this way, or there is rather a more clean way to do so?
The "create method" in my Repository class looks like this:
...ANSWER
Answered 2021-Oct-08 at 08:48You are on the right track. A clean way would be to wrap it in a function like this:
QUESTION
I am trying to read emails using Gmail API but I have facing Insufficient Permission problem.
Note: I have set Scopes to read Emails.
ManiFestFile.xml
...ANSWER
Answered 2021-Aug-19 at 06:35You have authorized your application with
QUESTION
I am currently working on an android app, and I'm having an issue with displaying XML layout In Android Studio, everything looks fine, but in the VM it doesn't look too good.
This is how it looks in Android Studio:
And here is how it looks like when it's displayed in VM:
I should probably mention that it is supposed to be a pop up window
Here is XML code:
...ANSWER
Answered 2021-Jul-30 at 14:23Try adding,
QUESTION
This is the function in which I am getting an error .
...ANSWER
Answered 2021-May-30 at 06:26You should not use AsynTask now as it is deprecated, please do try coroutines.
But anyway, as you have not provided the full code of your doInBackground, please try the below sample and see if that helps you.
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No vulnerabilities reported
Install AsyncTask
You can use AsyncTask like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the AsyncTask component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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