Android :: OnRestart Method Not Called On Restart

Apr 15, 2010

I'm writing a Tetris application on Android for my bachelor thesis at the University of Hasselt. Currently I have a working Tetris base game, but it just keeps on ticking when the activity gets in the background. I'm trying to fix this by overwriting the onStop()and onRestart()methods.when I press my home button on my device I will go to my home screen and onStop() is called. Because the gamemode is now "PAUSE", the game wil not tick anymore. But now, when I longpress my home button and select my tetris activity again, the activity pops up, but it isn't ticking! This is because the onRestart() is never called when I return to play my application.What is the reason that this method is never called? Am I understanding the activity lifecycle wrong?

Android :: onRestart method not called on restart


Android :: OnActivityResult Called Before OnRestart()

May 4, 2009

I am updating some code from 1.1 to run with the new SDK 1.5. I noticed that onActivityResult is being called before OnRestart.

If Activity A calls activity B. Activity A goes to onPause(), then onStop(). Activity B goes on... finishes and returns.

Activity A starts at onActivityResultf(). So if you try to make a clean exit with onStop(), it will cause nullPointers when it comes back.

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Android :: OnRestart() Being Called After OnDestroy()

Jul 21, 2009

Every once in a while my activity gets restarted after it's destroyed instead of being created again. I.e. I see:

CODE:..........

instead of:

CODE:............

Looking back in my log I can see this happening periodically, but no apparent pattern to it. This certainly isn't in the state diagram, and needless to say this doesn't make for a happy app.

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Android :: Android 1.5 - Asynctask DoInBackground Not Called / Method Called

Oct 26, 2010

I am running into an issue with the way my asynctasks are executed. Here's the problem code:

firstTask = new background().new FirstTask(context);
if(firstTask.execute().get().toString().equals("1"))
secondTask = new background().new SecondTask(context);

What I'm doing here is creating a new asynctask object, assigning it to firstTask and then executing it. I then want to fire off a separate asynctask when the first one is done and making sure it returns a success value (1 in this case). This works perfectly on Android 2.0 and up. However, I am testing with Android 1.5 and problems start popping up. The code above will run the first asynctask but doInBackground() is never called despite onPreExecute() being called. If I am to execute the first task without the get() method, doInBackground() is called and everything works as expected. Except now I do not have a way to determine if the first task completed successfully so that I can tell the second task to execute. Is it safe to assume that this is a bug with asynctask on Android 1.5? Especially since the API says that the get method has been implemented since API 3. Is there any way to fix this? Or another way to determine that the first task has finished?

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Android :: Method Called After Release

Sep 22, 2010

I'm getting this error ( in the end of this post) which I guess I understand it's because I'm calling something after releasing it.. but I can't find a wy to work it around.I've tried all combinations.. I've tried: mCamera.setPreviewCallback(null); This class, where the surfaceview is implemented can be accessed by 2 different classes one that doesnt implement surfaceview and other that does the error just shows me when I go from the activity that uses the camera to the activity that also uses camera.I don't know what else to do.

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Android :: Is OnUpgrade Method Ever Called?

Jul 2, 2010

Is the onUpgrade method of SQLiteOpenHelper ever called? If so, when is it called and by what? Or if it is not called by developers, then why is it there? What should be done in the method I have seen examples where it drops all the tables, but then a comment says that dropping all the tables is NOT what you should do.

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Android :: GetView Method Used And Where Is It Getting Called?

Sep 1, 2010

I am new to Android development and have been following the tutorials available on the Android website. I am currently on the section of tutorials for Views, specifically the one for Grid Views: Hello, Grid View Tutorial.I am having trouble understanding how views are made through an adapter. I understand that you must override the getView() method in your adapter class and in this method is where you define how your Views are set up. What I don't understand is where does getView() actually get called? Perhaps I've got the wrong kind of mentality here, but in the code below (the Grid View tutorial) I don't see any calls to getView() (or any other things used in the adapter class such as getCount()).

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Android :: OnServiceConnected Never Called After BindService Method

Mar 21, 2010

a service started by a broadcast receiver starts an activity. I want to make it possible for this activity to communicate back to the service. I have chosen to use AIDL to make it possible. Everything seems works good except for bindService() method called in onCreate() of the activity. bindService(), in fact, throws a null pointer exception because onServiceConnected() is never called while onBind() method of the service is. Anyway bindService() returns true.The service is obviously active because it starts the activity.I know that calling an activity from a service could sound strange, but unfortunately this is the only way to have speech recognition in a service.

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Android :: Stopping Method To Be Called Twice If Already Running

Mar 3, 2010

I'm trying to prevent my application to call the same method twice in the event of a double-click, or if the user presses different buttons quickly, almost at the same time.I have clickable Views, acting as buttons, that call the same method but passing different parameters.Inside this method I'm creating a new Thread, because it queries a web server for the result.The problem is that upon two quick clicks, the method is fired twice, two threads are created, and consequently two new activities are created. That makes my app crash.But this only seems to work on slower phones like the G1, I tried on Nexus and before it set blocked = true, the second request has was granted. So is there any way I can block the method being called if it's already running, or if the thread has started so it wont create a new one.

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Android :: How To Find What Hook / Method Is Being Called In Framework?

Mar 5, 2010

I was wondering how should I proceed to debug while working with frameworks. Like specifically how can i tell which method is being called when a particular event happens.

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Android :: Calling An InputMethod Method When A BroadcastReceiver Gets Called

Feb 19, 2010

I added a BroadCastReceiver to my application.I want to call my inputMethod's method but I can't find a way to access it's instance.but I couldn't find a way to get the the InputMethod instance from the InputMethodManager.Is doing a singleton the only way to access it?

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Android :: Extended SurfaceView's OnDraw Method Never Called

Apr 21, 2010

I'm trying to modify the SurfaceView I use for doing a camera preview in order to display an overlaying square. However, the onDraw method of the extended SurfaceView is never called.

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Android :: Which Method Is Called When Press Back Key On Phone?

Nov 24, 2010

i have an app that haves a lot of activitys, all created with ONACTIVITYRESULT.which method is called when i press back key? i need to know it because i have to override/implement code on it

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Android :: Is It Normal For OnCreate Method To Be Called Multiple Times?

Aug 27, 2010

I have some code in the onCreate method an Activity and noticed that it is being called three times. Is it normal behaviour?

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Android :: Voice Recognition Activity Called In OnCreate Method / Causes App To Load Slowly

Oct 1, 2010

In my android app I call the voice recognition in my onCreate method of my startup activity. I have made it a preference to start up with the voice control or not. However, the app takes about 5-7 seconds to load when voice recognition is on. When it is off, the app starts almost instantly. Below is sample code, I have added Free_Form, max_results 1, and a custom prompt to mine.Why would calling the normal android speech recognition take sooo long to load in my OnCreate method?

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Android :: Simple App Crashes On OnRestart() / Fix It?

Oct 3, 2010

I've been writing a simple drawing App as homework for university. Drawing works fine, but the canvas should also be cleared when the App is coming back from the background. When switching back i get the following code...

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Android :: How To Restart Scheduled Jobs No Phone Restart

May 15, 2009

I am developing a ToDo reminder type of app for android. on creation of a new reminder an alarm and vibrator scheduler is created with a toast. This works on intents and broadcasts and is pretty straight forward stuff with putextras using the reminder id from the db. My problem is, if some one restart the phone, i guess all the scheduled alarm and vibrator tasks for the reminder will be killed. Once the phone restart again how to recreate the scheduler tasks.

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HTC Droid Eris :: When Aps Restart My Phone It Takes About 15 To 20 Seconds To Restart

Apr 20, 2010

I have noticed that when aps restart my phone, it takes about 15 to 20 seconds to restart When i Power down, it takes MINUTES!Does anyone know of simple restart app I could use to avoid this? If not, anyone know someone who could make one?

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Android :: Method OnBackPressed() Of Type FirstGroup Must Override Superclass Method

Sep 7, 2010

I'm trying to override the onBackPressed() method of the ActivityGroup class:

public class MyClass extends ActivityGroup {

@Override
public void onBackPressed() {
// do something
return;
}

but I'm getting the error The method onBackPressed() of type MyClass must override a superclass method. I'm relatively new to Java, I've seen here that people do it and it works for them Why I'm getting this error? I'm writing an app for android 1.5, could the problem be here?

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Android :: Show Method Definition - Eclipse Recognizes Warning On Method

Nov 22, 2010

In Eclipse, when I mouse hover over a built-in method, it displays a method definition including stuff like what the method does, input objects, return objects etc. If I have a yellow line (warning) under the method I'm trying to use, I can't get the mouse-over to show the definition. If I try hitting F3, I get a "The Jar of this class file belongs to container "Android 1.6" How do I show the definition of the method I am using when there is a warning?

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Android :: Method.getAnnotation( ) Or Method.isAnnotationPresent( ) Not Working

May 12, 2010

I am trying to use annotation - method.getAnnotation( ) or method.isAnnotationPresent( ) and it is not working. I am using eclipse emulator for 2.1 OS version with JDK 1.6. Following is information about what I did..................

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Android :: Created A Method In Another Class But I Can't Use It In OnClick Method From Main Class

Nov 1, 2010

I created a method called insertTable in a class called Table but i can't use it in my onClick method in the main class :

CODE:.......

I want to do a income.insertTable in the onClick method but eclipse say that i need to create a local variable.

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Android :: Call OnDraw In Another Method - Then - Refresh - That Call In Another Method

Jun 6, 2010

Basically I'm calling the onDraw method like so...

code:...................

You see I'm drawing it on top of a Camera view and the information being drawn is subject to change. I have a listener setup which will update the variables being drawn at the appropriate time but I now want to "refresh" this draw in that listener.

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Android :: Android - Could Not Find Method XXX - Referenced From Method YYY

Feb 27, 2010

I have two android projects, ProjA requires ProjB (in Eclipse Properties > Java Build Path > Projects > Add > ProjB). Every thing compiles ok in Eclipse, but when I run ProjA I get an error: Could not find method XXX, referenced from method YYY. Where XXX - is the method from ProjB. How can I fix the settings?

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Android :: Which Is Android / Java Corresponding Method To C#/C++ Method GetTickCount()?

Aug 28, 2010

the title say it all. I wanna know a corresponding method in Android/Java that is like the GetTickCount method in C#/C++?

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Android :: Static Method In Java Accept Only Final Or Non Final Variables Within Its Method - But Not Static

Sep 15, 2010

Why should a static method in java accept only final or non final variables within its method, but not static?

For example I have the following method:

CODE:.................

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Android :: Looking For An App To Restart My Phone

Jan 22, 2010

I've been having some reception issues that seem be cleared up when i restart the handset. What I'd love is to be able to schedule a daily restart around 4am to prevent any problems from the phone running too long. Does anyone know of an app that could do this for me?

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Android :: Possible To Restart Phone With SDK Or NDK?

May 11, 2010

Is it possible to programmatically restart the phone from a application (service) running on top of the Dalvik VM?If the SDK does not provide this functionality, then how about using the NDK and calling some functions provided by the kernel? I know this option is not preferred (not stable enough libs), but if it's the only option, I'll have to consider that as well.

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Android :: Best Way To Restart Activity?

Aug 17, 2010

I'm building a game which works as some type of a quiz. I ask user the question and when he submits the answer(click or touch correct answer) I need to refresh the page with some other question.

How should i implement this? How to wait for users answer and continue when onClick or OnTouch listener finishes?
Should i use Handler class, intents or something else?

I want next scenario:
On the screen I have a question and 3-4 clickable ImageButtons. I'm building some of the layout dinamically from custom showQA() function. User choose the answer and if he clicked the correct answer i should start some type of animation on the screen. I've done that from the onClickListener. Now, i need to build layout again(show new question and answers) from the showQA() function which must be called after that animation showed to the user. How can i know when the onClickListener() finished its work?

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Android : Restart A Webview With Different URL?

Nov 9, 2010

I want to restart my webview with different URL, here i have taken one button onclick i m changing URL now how to reload this activityin short how to restart the same activity..

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