I am using progress dialog in my Asynctask class. I put progressdialog.show() on onpreExecte() method of asynctask and dismissing the dialog in onPostExecute. My problem is the wheel in dialog is stops after 2-3 seconds but my background process is working. Can anyone help me to solve this problem? I want to spin the wheel until the background process is over.
Check tutorials how to do asynchronus task in Android:
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link
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link.
And here are some other StackOverflow questions that are similar:
Progress dialog problem in Android
Progress Dialog on open activity
Progress Dialog while starting new activity
Android: Progress Dialog spinner not spinning
Updating progress dialog
android: showing a progress dialog
Just a guess, but it seems to me that starting the progress dialog INSIDE the AsyncTask causes the dialog to work on the AsyncTask thread, instead of the UI thread.
I suggest moving the progressdialog.show() to just before you call execute() in your Activity.
Related
I want to select and upload images from my sdcard of device using my application while it is selecting and uploading the image i wanted to show progress dialog and once uploading is complete dismiss the progress dialog but it should show the dialog until unless file is uploaded completely no matter what is the size of image.
Try using AsyncTask.
Show Progress dialog in onPreExecute()
Upload your image in doInBackground()
dismiss the progress dialog in onPostExecute()
The flow will be, first of all onPreExecute() will be called then doInBackground() will be called and when whatever task being done in doInBackground() will finish, onPostExecute() will be called. You can use this to achieve what you want.
You can use Service to perform long time operation.
We can use AsynckTask, Services, Intent Service etc for performing long running operation.
I have an activity with an inner (asynctask) class.
I'm trying to create a progress dialog ,and in a "for" loop create several instances of my inner (asynctask) class.
those instances supposed to update the message + progress of the progress dialog.
I created the progress dialog inside the activity and showed it inside the
asynctask->onProgressUpdate function.
however the progress dialog is not showing up.
Can anyone tell me if there's another way to update the UI ??
Run AsyncTask successively, one by one, and update your dialog on preExecute or postExecute. And write your for loop in doInBackground, where i is a indicator what task executed.
Does anyone know how to create a similar animation to the login animation used in the Google Plus Android app?
Is there something similar in the Android SDK that I can use? Or should I just build it from scratch? I'm interested especially in the fact that the UI behind the modal animation is dimmed and disabled.
Thank you.
Are you taking about that progress dialog spinning thingy that says "signing in"? That's not a custom animation at all, it's a common widget.
Here's the code:
ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setMessage("Signing in...");
progressDialog.show();
//... complete sign in...then
progressDialog.dismiss();
A ProgressDialog done this way, automatically takes care of dimming/blurring the background. You should really read about dialogs: http://developer.android.com/guide/topics/ui/dialogs.html
To show the progression with an animated progress bar:
1- Initialize the ProgressDialog with the class constructor, ProgressDialog(Context).
Set the progress style to "STYLE_HORIZONTAL" with setProgressStyle(int) and set any other properties, such as the message.
2- When you're ready to show the dialog, call show() or return the ProgressDialog from the onCreateDialog(int) callback.
3- You can increment the amount of progress displayed in the bar by calling either setProgress(int) with a value for the total percentage completed so far or incrementProgressBy(int) with an incremental value to add to the total percentage completed so far.
For example, your setup might look like this:
ProgressDialog progressDialog;
progressDialog = new ProgressDialog(mContext);
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setMessage("Loading...");
progressDialog.setCancelable(false);
The setup is simple. Most of the code needed to create a progress dialog is actually involved in the process that updates it. You might find that it's necessary to create a second thread in your application for this work and then report the progress back to the Activity's UI thread with a Handler object. If you're not familiar with using additional threads with a Handler, see the example Activity below that uses a second thread to increment a progress dialog managed by the Activity.
I am programming for an Android application. while clicking a button, it calls a service to display the necessary contents. For calling the service and to parse the XML data present in that service it takes nearly 5 to 10 seconds. In these 5 seconds time period I need to display an activity Indicator with a text stating that "Loading. Please wait...". This part works fine for iPhone. But not in Android.
Any help would be appreciated..
Thanks
Check this. Look at "Creating a ProgressDialog" section. Try to parse the XMLs in AsyncTask. When you start the task just show the progress dialog. When the task finishes - hide the progress dialog.
if you want to show a message when your service is running you can use Progress Dialog for that.
ProgressDialog dialog = new ProgressDialog(MainActivity.this);
dialog.setMessage("Your message..");
dialog.show();
to dismiss this progress dialog use
dialog.dismiss();
I have an issue with my ProgressDialog object. When I show it first time, it is spinning, but after I dismiss it and show it again, the dialog is static, it it not spinning... Can you please tell me why? All of this happens in the UI thread. Thanks
are you doing any processing in the UI thread during the second show of the ProgressDialog? If so, you need to move the processing to a background thread. Otherwise, the progress dialog does not get the CPU to update(spin) itself.