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2014/10/16 ¤W¤È 08:16:04
android Programming Glossary: instantiatedActionbarsherlock + tabs + multi fragments? http://stackoverflow.com/questions/10082163/actionbarsherlock-tabs-multi-fragments to your ViewPager object to be that class that you just instantiated. As you can see its getItem method will give the pager all the..
Error importing HoloEverywhere http://stackoverflow.com/questions/10608539/error-importing-holoeverywhere I tried to use a button The following classes could not be instantiated com.WazaBe.HoloEverywhere.ButtonHolo Open Class Show Error Log..
SimpleCursorTreeAdapter and CursorLoader for ExpandableListView http://stackoverflow.com/questions/10611927/simplecursortreeadapter-and-cursorloader-for-expandablelistview is a problem with how the group child CursorLoaders are instantiated in onCreateLoader . For the group CursorLoader i just want all.. now it looks to be an issue of how the CursorLoaders are instantiated in the onCreateLoader method. Is the CursorLoader returned in.. in the onCreateLoader method for the child cursor being instantiated improperly UPDATE So I have identified one of my issues. In..
Android ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically My approach is to use the setTag method for any instantiated view in the instantiateItem method So now I want to implement.. the page will be shown. position The page position to be instantiated. Returns Returns an Object representing the new page. This does..
How to get My Location changed event with Google Maps android API v2? http://stackoverflow.com/questions/13742551/how-to-get-my-location-changed-event-with-google-maps-android-api-v2 is correctly installed and the map has not already been instantiated. This will ensure that we only ever manipulate the map once.. Do a null check to confirm that we have not already instantiated the map. if mMap null mMap getMap Check if we were successful..
How to write a custom filter for ListView with ArrayAdapter http://stackoverflow.com/questions/2519317/how-to-write-a-custom-filter-for-listview-with-arrayadapter as the adapter which extends from ArrayAdapter. This is instantiated in the onCreate of the Activity and passed a simple list of..
Android: How to keep onItemSelected from firing off on a newly instantiated Spinner http://stackoverflow.com/questions/2562248/android-how-to-keep-onitemselected-from-firing-off-on-a-newly-instantiated-spin How to keep onItemSelected from firing off on a newly instantiated Spinner I've thought of some less than elegant ways to solve..
How do I serialize an object and save it to a file in Android? http://stackoverflow.com/questions/4118751/how-do-i-serialize-an-object-and-save-it-to-a-file-in-android in Android Say I have some simple class and once it's instantiated as an object I want to be able to serialize its contents a file..
Using the Android Application class to persist data http://stackoverflow.com/questions/4208886/using-the-android-application-class-to-persist-data life cycle i.e. it is for all intents and purposes always instantiated . Does it make sense to store the state information inside of..
Add dynamically elements to a listView Android http://stackoverflow.com/questions/4540754/add-dynamically-elements-to-a-listview-android notified using adapter.notifyDataSetChanged An Adapter is instantiated with 3 parameters the context which could be your activity listactivity..
BroadcastReceiver as inner class http://stackoverflow.com/questions/4854807/broadcastreceiver-as-inner-class have to instantiate a large Activity object to just have instantiated a recevier instance android broadcastreceiver share improve.. invoked from intents in the manifest file that would be be instantiated automatically by the system have no such outer instance to use..
Spinner onItemSelected() executes when it is not suppose to [duplicate] http://stackoverflow.com/questions/5624825/spinner-onitemselected-executes-when-it-is-not-suppose-to interface method from running when the layout is instantiated I need to know if there is a way to do this because I want to..
Update data in ListFragment as part of ViewPager http://stackoverflow.com/questions/7379165/update-data-in-listfragment-as-part-of-viewpager R.id.viewpager 0 if fragment null could be null if not instantiated yet if fragment.getView null no need to call if fragment's..
Retrieve a Fragment from a ViewPager http://stackoverflow.com/questions/8785221/retrieve-a-fragment-from-a-viewpager that are available. Fragments that have not yet been instantiated will return null when calling getRegisteredFragment . But I've..
android.app.Application cannot be instantiated due to NullPointerException http://stackoverflow.com/questions/9039017/android-app-application-cannot-be-instantiated-due-to-nullpointerexception cannot be instantiated due to NullPointerException I'm kind of a noob in the android..
support FragmentPagerAdapter holds reference to old fragments http://stackoverflow.com/questions/9727173/support-fragmentpageradapter-holds-reference-to-old-fragments says you do have guarantees that a fragment has been instantiated added in a ViewPager at a particular time this should be considered..
Actionbarsherlock + tabs + multi fragments? http://stackoverflow.com/questions/10082163/actionbarsherlock-tabs-multi-fragments instantiate MyFragmentPagerAdapter and 2 setting the adapter to your ViewPager object to be that class that you just instantiated. As you can see its getItem method will give the pager all the fragments you need. Example mFragmentPagerAdapter new MyFragmentPagerAdapter..
Error importing HoloEverywhere http://stackoverflow.com/questions/10608539/error-importing-holoeverywhere to my project but when I try to use it I have an error I tried to use a button The following classes could not be instantiated com.WazaBe.HoloEverywhere.ButtonHolo Open Class Show Error Log See the Error Log Window Show View for more details. Tip..
SimpleCursorTreeAdapter and CursorLoader for ExpandableListView http://stackoverflow.com/questions/10611927/simplecursortreeadapter-and-cursorloader-for-expandablelistview the setChildrenCursor call is exhibiting I am thinking there is a problem with how the group child CursorLoaders are instantiated in onCreateLoader . For the group CursorLoader i just want all groups in my phone. The child CursorLoader should contain.. that the getChildrenCursor issues may now be resolved. But now it looks to be an issue of how the CursorLoaders are instantiated in the onCreateLoader method. Is the CursorLoader returned in the onCreateLoader method for the child cursor being instantiated.. in the onCreateLoader method. Is the CursorLoader returned in the onCreateLoader method for the child cursor being instantiated improperly UPDATE So I have identified one of my issues. In the getChildrenCursor method if I pass the groupId into the..
Android ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically View Particulary one in which it's talked about method instantiateItem My approach is to use the setTag method for any instantiated view in the instantiateItem method So now I want to implement instantiateItem in order to do that. But I don't know what.. ViewGroup . Parameters container The containing View in which the page will be shown. position The page position to be instantiated. Returns Returns an Object representing the new page. This does not need to be a View but can be some other container of..
How to get My Location changed event with Google Maps android API v2? http://stackoverflow.com/questions/13742551/how-to-get-my-location-changed-event-with-google-maps-android-api-v2 if it is possible to do so i.e. the Google Play services APK is correctly installed and the map has not already been instantiated. This will ensure that we only ever manipulate the map once when it @link #mMap is not null. p If it isn't installed @link.. Play services APK on their device. private void setUpMapIfNeeded Do a null check to confirm that we have not already instantiated the map. if mMap null mMap getMap Check if we were successful in obtaining the map. if mMap null The Map is verified...
How to write a custom filter for ListView with ArrayAdapter http://stackoverflow.com/questions/2519317/how-to-write-a-custom-filter-for-listview-with-arrayadapter from ListActivity this class has an inner class that acts as the adapter which extends from ArrayAdapter. This is instantiated in the onCreate of the Activity and passed a simple list of strings for now. Pay attention to how it is created on lines..
Android: How to keep onItemSelected from firing off on a newly instantiated Spinner http://stackoverflow.com/questions/2562248/android-how-to-keep-onitemselected-from-firing-off-on-a-newly-instantiated-spin How to keep onItemSelected from firing off on a newly instantiated Spinner I've thought of some less than elegant ways to solve this but I know I must be missing something. My onItemSelected..
How do I serialize an object and save it to a file in Android? http://stackoverflow.com/questions/4118751/how-do-i-serialize-an-object-and-save-it-to-a-file-in-android do I serialize an object and save it to a file in Android Say I have some simple class and once it's instantiated as an object I want to be able to serialize its contents a file and retrieve it by loading that file at some later time.....
Using the Android Application class to persist data http://stackoverflow.com/questions/4208886/using-the-android-application-class-to-persist-data on my findings the Application class does not have the same life cycle i.e. it is for all intents and purposes always instantiated . Does it make sense to store the state information inside of the application class and then reference it from the Activity..
Add dynamically elements to a listView Android http://stackoverflow.com/questions/4540754/add-dynamically-elements-to-a-listview-android handled by ArrayAdapter String adapter which should be notified using adapter.notifyDataSetChanged An Adapter is instantiated with 3 parameters the context which could be your activity listactivity the layout of your individual list item and lastly..
BroadcastReceiver as inner class http://stackoverflow.com/questions/4854807/broadcastreceiver-as-inner-class inner class. But I wonder why Is it because the system would have to instantiate a large Activity object to just have instantiated a recevier instance android broadcastreceiver share improve this question ... because the system would have to instantiate.. non static inner class. Global broadcast receivers that are invoked from intents in the manifest file that would be be instantiated automatically by the system have no such outer instance to use to create an instance of the broadcast receiver non static..
Spinner onItemSelected() executes when it is not suppose to [duplicate] http://stackoverflow.com/questions/5624825/spinner-onitemselected-executes-when-it-is-not-suppose-to anyone know how to prevent the onItemSelected OnItemSelectedListener interface method from running when the layout is instantiated I need to know if there is a way to do this because I want to keep how I instantiate my layout separate from this listener...
Update data in ListFragment as part of ViewPager http://stackoverflow.com/questions/7379165/update-data-in-listfragment-as-part-of-viewpager getSupportFragmentManager .findFragmentByTag android switcher R.id.viewpager 0 if fragment null could be null if not instantiated yet if fragment.getView null no need to call if fragment's onDestroyView has since been called. fragment.updateDisplay..
Retrieve a Fragment from a ViewPager http://stackoverflow.com/questions/8785221/retrieve-a-fragment-from-a-viewpager position This seems to work for me when dealing with Fragments that are available. Fragments that have not yet been instantiated will return null when calling getRegisteredFragment . But I've been using this mostly to get the current Fragment out of..
android.app.Application cannot be instantiated due to NullPointerException http://stackoverflow.com/questions/9039017/android-app-application-cannot-be-instantiated-due-to-nullpointerexception cannot be instantiated due to NullPointerException I'm kind of a noob in the android world and doing a pet project for exercising. It's a very..
support FragmentPagerAdapter holds reference to old fragments http://stackoverflow.com/questions/9727173/support-fragmentpageradapter-holds-reference-to-old-fragments to use those references independently of the ViewPager. As Seraph says you do have guarantees that a fragment has been instantiated added in a ViewPager at a particular time this should be considered an implementation detail. A ViewPager does lazy loading..
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