Thank You Everyone for Helping out. But I found my answer from the search over the internet. Here I used VOLLEY to call the link. JSON PARSER CLASS public class ParseJSON { public static String[] position1; public static String[] team; public static String[] points; public static final String JSON_ARRAY = “data”; public static final String … Read more
You can use both a Thread or an AsyncTask, just chose one of the two based on your needs (if you provide more details about the task you need to perform I might be able to help you more specifically). The Handler class is not meant to be used to run asynchronous tasks (like Thread … Read more
As you are trying to load Images inside Loop, I would suggest you to implement logic of Lazy loading of Images. Here are some libraries you can give a try: Lazy List Universal Image Loader for Android solved update Main UI Thread or AsyncTask never allowed than where can i update UI thread? [duplicate]
According this code you will get null pointer exception. because you have not assign the listener in code. public class saveData extends AsyncTask < List < String > , Void, Void > { private OnTaskCompleted listener; boolean myflag = false; @Override public void onPreExecute() {} @Override protected Void doInBackground(List < String > …params) {} @Override … Read more
Here’s a very easy and straight forward tutorial for your problem. Using UIL Library to handle your images 0 solved Image Load in ListView Android [closed]
URI website = new URI(“http://example=” + et.getText() + “json”); You didn’t connect your EditText et with it’s view. So et.getText will give you an error. URI website = new URI(“http://example=” + et.getText() + “json”); change it to URI website = uRI; and pass your URI while processing doInBackground like – String uRI = “http://www.example.com/example.json”; JSONObject … Read more
Without any code from your end, what I can suggest is to do something like : recyclerView.post(new Runnable() { @Override public void run() { // Execute your AsyncTask here by providing Width } }); Because the problem I can guess is your RecyclerView is not properly inflated when you call the AsyncTask with width Also … Read more
While I would suggest Retrofit for cloud API operations, if you want to use an AsyncTask, then that’s fine. I would also suggest a ProgressBar / Dialog rather just updating some text. the view will not render until the task is finished Unclear… I found a solution online informs that I should render the view … Read more
From the docs: When an application is launched, the system creates a thread of execution for the application, called “main.” This thread is very important because it is in charge of dispatching events to the appropriate user interface widgets, including drawing events. In other words, ALL UI-related tasks occur on the same thread, and it … Read more
Try to implement it, step by step and post here your real code problem. You should try baby steps like: Connect to remote server; List songs from the remote server; Download one song; … You can try to split in in smaller taks if needed. If you already have something implemented, please post here your … Read more
@Override protected void onResume() { //****put your list view setup you already create in oncreate() method super.onResume(); } add bellow oncreate() method in main activity 0 solved List View should not load onBackPressed
Here is my guess. Cannot be very specific unless you post the codes: In the doInBackground method, it calls MainActivity.addToListview method, which modifies UI and some object isn’t ready yet. The null object may depend on your async task finishing or you forgot to set it up? 1 solved if i run method in doinbackgroundand … Read more
In my opinion two options are available on the table! 1.Create your AsyncTask class as an inner class inside your Activity class, and then you can gain access for all super class properties. public class MyActivity extends Activity { int property1; void method1() { } private class MyTask extents AsyncTask<Void, Void, Void> { @Override protected … Read more
You are Calling Activity in a Background Thread Thats Why you are getting Error You Need to Call Like this Thread thread=new Thread(){ @Override public void run() { try { sleep(5*1000); runOnUiThread(new Runnable() { @Override public void run() { Intent i = new Intent(getApplicationContext(),MainActivity2.class); startActivity(i); } }); } catch (Exception ex) {} } }; thread.start(); … Read more
You can put all the HTTP calls in one ASyncTask and report back with the publishProgress callback. When one fails, you can stop that ASyncTask and the others won’t be called. 0 solved App not working fine on ICS version due to NetworkOnMainThreadException