android-asynctask

问题 In my case, I would like to get the button pressed and get process with the timeout. When button clicked then it will verify the accNo with web services, if the verification (ProgressDialog) is over 5 seconds then it will stop and display the alertDialog to notice user "Timeout". But now I have not idea when I in testing with 1 milliseconds, in logically it will pause in alertDialog until get pressed, but now it will display the dialog in milliseconds then auto dismiss and intent to next

问题 I am getting below exception android.os.NetworkOnMainThreadException because I don't use an async task to make the particular network operation. I have searched for this, but it got me so confused. Could someone make it work with async task and the particular functions? Below are two functions i use : 1) isNetworkAvailable() private boolean isNetworkAvailable() { ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo

问题 i want the AsyncTask to wait till it finishes. so i wrote the below code and i used .get() method as follows and as shown below in the code mATDisableBT = new ATDisableBT(); but at run time the .get() doesnt force ATDisableBT to wait, becuase in the logcat i receive mixed order of messages issued from ATDisableBT and ATEnableBT which means .get() on ATDisableBT did not force it to wait how to force the AsyncTask to wait code : //preparatory step 1 if (this.mBTAdapter.isEnabled()) {

问题 I refer this solution to run AsyncTask for multiple time. But I am getting following error when i call tryAgain.signal(); E/AndroidRuntime: FATAL EXCEPTION: main Process: com.webapi_testing, PID: 3951 java.lang.IllegalMonitorStateException at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.signal(AbstractQueuedSynchronizer.java:1917) at com.medimanage.webapi_testing.AsyncHttpRequest_Recursive.runAgain(AsyncHttpRequest_Recursive.java:156) at com.medimanage.webapi_testing

问题 I have an AsyncTask. protected class InitTask extends AsyncTask<Context, Integer, String> { View eachLayout; @Override protected String doInBackground(Context... params) { try { myfunction(); } catch (Exception e) { e.printStackTrace(); } return null; } @Override protected void onPostExecute(String result) { super.onPostExecute(result); } /* * (non-Javadoc) * * @see android.os.AsyncTask#onPreExecute() */ @Override protected void onPreExecute() { super.onPreExecute(); linearLayout.invalidate()

问题 I have problems with asyncTask in android programming. I am trying to load a text file in a background thread which is asyncTask. First of all, in my application I send a variable from a class which is controlled by an array-list which is later controlled by a button in a xml-file to the asyncTask class because it chooses an index throug a spinner. When it comes to background thread class it fails since I do not know that part very well. If something was unclear please ask since I am beginner

问题 in this question I am trying to take some input and then posting them to a url and then json parsing the response and then showing the output through textView but my final page is coming blank .. I have attached all my java and xml file and log file { "user_id": "23", "firstname": "", "lastname": "", "email": "9654008791", "isd_code": "91‌​", "mobile": "9654008791", "gender": "", "dob": "0000-00-00", "image": null, "status": "0", ‌​"verification_key": "7062" } Main Activity.java package com

问题 I've been reading up on different ways to use bitmap each with there own pros and cons. And so I have a question that hasn't really been answered in my search. I have a massive memory leak in my application. So I working through solving the problem, and I use several bitmaps. One Bitmap in particular is used many times by different objects. I call the bitmap image and draw text on it using a Canvas and then compress and save the image in a resolution that suits the device that is using it.

问题 I am having some problem with AsyncTask #2 fatal exception in Android. So what I am trying to do is single tap on map, get the coordinates X and Y and pass them to AsyncTask() class to execute a method to get the address. Here is the codes of my single tap and MyAsyncTask(): mMapView.setOnSingleTapListener(new OnSingleTapListener() { public void onSingleTap(float x, float y) { eventModel.setEventX(String.valueOf(point.getX())); eventModel.setEventY(String.valueOf(point.getY())); new

问题 While this code works, but the blank screen appears until doInBackground is complete package com.vaishnavismeclass.english.naalaayiradivyaprabandam; import android.app.ProgressDialog; import android.content.ContentValues; import android.content.Context; import android.content.res.Resources; import android.database.Cursor; import android.database.SQLException; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.os.AsyncTask; import