Android :: Application State When Home Pressed

Aug 11, 2010

Is android have application state, like background or front?I have a situation when need to update same data if app is coming to front.onRestart or onStart is not good idea, because this method fire when we come from another activity.

Android :: Application state when Home pressed


Android :: State Of Activity Saving When Home Button Pressed

Oct 24, 2009

I am having an issue related to home key . when i press home key all current activity gets hidden. but when i press the executable it again starts from the fisrt screen . I have overidden all methods nsaveInstaceState opPause onStop onResume

but there are still issues what is the right way to handle those conditions. When i am pressing home button i am storing the widgets state in database and when i again click the exectable i am checking the database state and starting the new Intent as saved when user presses the home button .Is it the right way to do that as i am facing the problem when user does the same and again presses the back button , there is already on intent available in stack of activity .

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Android :: Save State Of Droid Application When Back Button Is Pressed?

Sep 20, 2010

I have noticed while working in the emulator that whenever i get out of my app via any method other than pressing the back button, my toggle button (if pressed) will have its state saved and return to that state when i return to the app. im guessing its because its value gets saved in a bundle and reloaded when i return. when i leave the app via the back button, this does not happen and the toggle is always off when i return. is there any way to get the value of the toggle back if the user leaves via the back button, without having to save the value in a db table? alternatively, if my apps notification is in the status bar, i can be confident that the toggle should always be selected, so if there is no way to save the state, is there a way to find out if my apps notification is currently being displayed? then it would be easy to just set the toggle each time via a quick check of the status bar.

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Android :: Stop Following Activity If Home Key Or Pressed Back Pressed

Jul 8, 2010

I have a problem and that is my SplashScreen I have. It is built as an intro and after 3 seconds it shows the main menu of the program. Anyway, if I press down Back or Home button during the time the SplashScreen shows, it closes, but the activity I have chosen to follow after the SplashScreen will still run after the three seconds.

My code: **UPDATED CODE**

Handler ur = new Handler();
myRun = new Runnable() {
public void run() {
mainIntent = new Intent(SplashScreen.this,MyApp.class);
SplashScreen.this.startActivity(mainIntent);
SplashScreen.this.finish();..........................

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Android :: How To Get Pressed State Of Preference

Sep 10, 2009

There is know problem in all the Android phones. Go to Bluetooth Settings->Turn ON bluetooth->Click on bluetooth discovery->Then timer will start in summary->Long press on Bluetooth device discovery-> observe Bluetooth ON/OFF title start to toggle with Bluetooth Discovery toggle. I analyzed the issue. Blueooth ON/OFF is CheckBoxPreference. Bluetooth Discovery is also CheckBoxPreference which has dependency on Bluetooth ON/OFF. When we click on Bluetooth discovery then On thread will run at every second to update summary in Bluetooth Discovery preference. When we change the Bluetooth discovery to OFF then thread will be removed/ killed. When i press the Bluetooth discovery for long time when its already in ON State then still the thread will be updating the summary (remaining time from 120 to 00) till i press it. When i leave the Thread will stop. As it has dependency on Bluetooth ON/OFF, its making to the title invisible. But it should not happen. Solution: When i touch the Device Discovery i should kill the update summary thread then i guess, that problem will be solved. But in prefence i dont have any listener to know the pressed state. I hope somebody can give me solution.

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Pressed State Of A Key?

May 2, 2012

How to know whether a particular key (ex-KEYCODE_Q) is pressed or not in android at any instant.

Is there any API like(GetPressedState(int keycode))?

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Android :: Modify Default Button State Without Affecting Pressed And Selected States?

Oct 4, 2010

I am trying to remove an ImageButton's background in only the default state. I'd like the pressed and selected states to behave as usual so that they look correct on different devices, which use different colors for the pressed and selected states.

Is there any way to set an ImageButton's background default state's drawable without affecting the pressed and selected states?

I've tried to do this with a selector, but it does not appear to allow you to use the default drawables for some states - you have to set all the states yourself. Since there's no API to retrieve the device's default pressed/selected drawables, I don't know what to set the pressed/selected states to.

I also tried getting the StateListDrawable object for the button that the system creates when you are not using a selector and then modify it change the default state. That didn't work either.

I seems that on Android, if you want to change the drawable for one state of a button, then you must set all the states, and thus cannot preserve the default drawables for the other states. Is this correct?

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HTC Droid Eris :: Home Option When Pressed Home Button

Mar 8, 2010

Where is this from i noticed it when i got the app pandahome I have deleted the app but it still is there. So what is it . Is it from panda home and if so should I take it off and how.

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Android :: Finish Activity When Home Pressed?

Mar 25, 2010

I saw another thread related to this question, but did not find the answer that was useful to me. Is it possible when the user presses the Home button to be able to finish() my activity somewhere? I saw that people were having problems with using onStop(). Has anyone found a resolution to see if this is always called on Home being pressed?

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Android :: Intercept Home Button - How To Detect User Pressed?

Jul 30, 2009

In an activity, how do detect the fact that the user pressed the home button?

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Android :: Trying To Launch Activity / When Home Screen Widget Is Pressed

Dec 20, 2009

I'm trying to do something which really ought to be quite easy, but it's driving me crazy. I'm trying to launch an activity when a home screen widget is pressed, such as a configuration activity for the widget. I think I've followed word for word the tutorial on the Android Developers website, and even a few unofficial tutorials as well, but I must be missing something important as it doesn't work.

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Android :: Does Platform Maintain Any History Entry When Pressed Home Key

Jun 15, 2010

While developing a sample android application I have constructed two activities
1)Activity 1
2)Activity 2

Now Activity 2 is the foreground activity whereas Activity 1 is the background one. Now user presses Home key. The application(i.e. both the activities) disappear. Now is we relaunch the application we see Activity 1 as the foreground activity. My question is:

1)Does the platform maintain any history entry when pressed home key?
2)How do we take the user to the last launch activity on relaunching the application?

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Android :: Activity Of Killed Process Still Visible In List After Home Pressed

Sep 23, 2010

like many others, I want to kill my Android application on "exit" button. Really kill, not just move to background and stop all active code. (I know very well that Android does not like it.) I found Process.killProcess(Process.myPid()); and System.exit(0) which both work fine (I have no problem with activity stack, the "exit" button is in my base Activity.). But there is a problem. When I kill my process and I am back in the shell, I press [Home] button. It shows list of applications that are on the background including my application which has been killed.

Is there a way how to do both: 1) kill the process and 2) remove it from the Android application list that is shown after user presses [Home] button? Thanks for all replays (with the exception of that stupid "you should not exit applications explicitly on Android"

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Motorola Droid :: Go Home When End Call Pressed

Feb 12, 2010

I did a halfa** search of jsut this fourm because I'm at work and it is the only one I can get to. I was wondering if any of the rooted Linix gurus around these parts knew of an easy set of commands I can type using ADB, or a quick patch that would return my phone to the home screen when end call is pressed. It is drivig me crazy. I know about the program NotCallLog, but before I install yet another program onto my baby.

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Android :: Application Thats Captures All The Keys That Are Being Pressed

Jul 22, 2010

I am working on an application thats captures all the keys that are being pressed. As of now I can capture the keys in application. But how can I capture the keys while the application is running in android. I am aware of services concept, but am unable to capture the keys while application in running in background.

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Android :: Return To Application When Back Key Is Pressed From Native Dialer?

Nov 4, 2010

This is what I'm trying to support. Can this be done?

a) User is an Activity A in my app. b) The user is taken to the native dialer when he chooses a particular action in my Activity c) User presses the back key d) Taken to homescreen

Is there a way I can change it, so the back key press returns him to my app, instead of native homescreen?

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Android : How To Maintain Home Button Presistent State Of An App In Droid?

Apr 8, 2010

I am working on my App. in between i pressed the Home button on the device. my app will go to the background tasks. After that i long press the home button it will show my app as a persistent state. i.e where and what i had done in my app. But i click my app in the directory window it restarts my app. i want to do if my app is in the background tasks it will wake up else it will start. how to achieve that?

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Android :: Activity State On Pressing Back And Home Button On Screen

May 6, 2009

Whenever I press the home button when Im in the root task of my application and when I click on the icon of my app again the state of my task (activity) is retained, but when i press the back button on the emulator and when I open my application its state is not retained. I want the state to be retained in both the scenarios.

In the mnifest I have given the below entries,

android:alwaysRetainTaskState="true" for the root activity

android:launchMode="singleTask" for the application

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Android :: How To Get BT State / Update Application?

Apr 24, 2009

At the moment I am trying to update my application to Android 1.5. In Android 1.1 I was able to detect the BT state with catching the following broadcasts: Code...

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Android :: Saving Application State?

Jan 11, 2010

I understand how to save an application's state by using SharedPreferences, onSavedInstanceState() & onRestoreInstanceState(), etc as outlined in a similar post ( http://stackoverflow.com/questions/151777/how-do-i-save-an-android-applications-state ), but how do I save the last activity?

To be more specific, my application starts up and goes to a login screen. Once a user logs in and navigates through several activities, lets say he or she leaves the app using the home button or in some other way. Next time the user starts the app, it will go back to the login screen and do a login again. Instead, I want the app to start up and go to the last activity that was on top of the stack when the user left the app in the previous session.

How is the last activity saved so that it can be restored on app startup?

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Android :: Saving State Of An Application?

Jul 5, 2010

Which of the following is/are appropriate for saving the state of an Android application?

a. Activity.onFreeze()
b. Activity.onPause()
c. Activity.onStop()
d. Activity.onDestroy()
e. Activity.onFinish()

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Android :: Save State In My Application

Jul 16, 2010

I am developing an android application in which,the first activity is that for Login. After successful authentication, user can see an activity with 4 Tabs. My problem is that when user taps on the home button,the application should terminate and when the user again starts my application, he should be able to see the Login screen again and after successful Login, user should be able to see the tab on which he was working before application terminated(i.e., save state for all the tabs).

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Android :: Save .app.Application State?

Aug 9, 2010

I've encountered a problem wile using my own subclass of android.app.Application. I have numerous activities in my application and I'm running a custom ROM which consumes quite a lot of memory. What happens is when I launch a third party activity (Camera) my Application is killed. My Application subclass stores vital data for the whole app so it can't work without it. android.app.Application doesn't have any methods for saving or restoring application state. Activity does have them but they are not suitable.

How to perform save/restore state on Application subclass?

UPDATE I've managed to do so by filling a Bundle obtained from onSaveInstanceState and restoring values in onCreate. But is there any better way?

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Android :: Save Instance State Of My Application?

Jan 11, 2010

As a follow on from my question on sharing state between Activities, how can I save the instance state of my Application? Since Application does not extend Activity, there is no onSaveInstanceState method to override.

NB: In advance, this is not a duplicate. Despite its name, How do I save an Android application's state? relates to Activity state

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Android :: Application Read Phone State And Identity?

Dec 6, 2009

Anyone know what providing an application access to "Phone calls: read phone state and identity" actually does?

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Android :: Save - Complex - Application State To Bundle

Apr 30, 2010

This is a bit complicated to explain (and my first post), so bear with me please: I am currently trying to figure out the best way of saving my application's state in a bundle on the onSaveInstanceState event (working on a game). My application's state is based on a "world" class which contains various objects. Among these objects there is a creature object which contains bitmaps (Bitmap object)(allowing me to draw the various sprites of the creature when it's walking with more flexibility and accessibility).

Bit of creature constructor Java:

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

After looking around for a few hours I found that serializing the world object (and all its sub-objects) was an acceptable way of saving it in the bundle. Unfortunately it appears that we can't serialize bitmaps and considering they're a part of my "creature" I can't seem to see a workaround.

Here come my questions: 1- Am I doing something fundamentally wrong? (not supposed to save bitmaps in objects? supposed to handle bitmaps in a separate class which I don't pass on the bundle and reload my bitmaps when restoring the application? ...) 2- Is there another way of passing my "world" object into my bundle (would using Parcelable work?)

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Android :: Overriding Home Button For Car Home Replacement Application

May 19, 2010

I have been working on a replacement for the stock Car Home app for a bit, and I am completely stumped on how to override the Home button so that my app will be brought back to the foreground whenever the phone is docked. This is the way that Car Home works, so there must be a way. It seems that BroadcastReceivers won't work, because the intent that is broadcast whenever the Home button is pressed will still cause the default homescreen app to launch; I cannot prevent it. I can override the Home button from within my app, but that does me no good since this needs to work when the user is outside my app. Car Home also does not do anything weird like set itself as the default homescreen app while it's running (I checked the logcat to make sure).
I've been really beating my head against the wall on this. Does anyone have any ideas, or can you at least point me in the right direction?

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Android :: Stopping And Starting Service Based On Application State

Oct 28, 2010

I have a Service which tracks the location of the user. Currently, the Service boots when the application starts and stops when the application terminates. Unfortunately, if users keep the application in the background, the Service never stops and drains battery.

I would like the Service to stop when my application is not in the foreground. I was hoping the Application class would let me Override onPause and onResume handlers, but it does not have them.

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Android :: Reregister Phone State Listener If Application Crashed

Nov 17, 2009

i've registered a PhoneStateListener in BOOT_COMPLETED receiver by using following call: tm.listen(new TestCallStateListener(), PhoneStateListener. LISTEN_ CALL _STATE); If the application crashes then system automatically unregisters the PhoneStateListener. Is there any mechanism of checking if particular PhoneStateLister is registered or not? Actually i'm thinking of starting a repeating service by AlarmManager which will check if PhoneStateListener is registered or not . And if it's not registered then service will register it again. Just a backup if application crashes. Is this a good approach or there is some better mechanism to make sure that PhoneStateListener is always registered even if application crashes ?

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Android :: Retain Application / Activity State Correct Approach?

Dec 22, 2009

I just read from internet to maintain the state of my application by overriding the onKeyDown function as given below. And set the launch mode of my activity as singleInstance. And it is working perfectly. Just want to know if it is correct approach. And how it is different from onSaveInstanceState.

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