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2014/10/16 ¤W¤È 08:27:34
android Programming Glossary: wereAlphabetIndexer with Custom Adapter managed by LoaderManager http://stackoverflow.com/questions/10224233/alphabetindexer-with-custom-adapter-managed-by-loadermanager true consequently these three statements were removed from the onActivityCreated method of my custom ListFragment..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works is null for all the visible rows because initially there were no view item in recycler so your getView creates each new view..
Is it possible to have multiple styles inside a TextView? http://stackoverflow.com/questions/1529068/is-it-possible-to-have-multiple-styles-inside-a-textview text. vw.setText Italic highlighted bold. If this were just a TextView we could do vw.setText Italic highlighted bold...
Android Studio installation on Windows 7 fails, no JDK found http://stackoverflow.com/questions/16574189/android-studio-installation-on-windows-7-fails-no-jdk-found I found nothing. I hope some of you can let me know if you were able to install this or if you are having problems as well...
http://stackoverflow.com/questions/16636039/java-lang-classnotfoundexception-after-changing-nothing-in-the-project-but-upgra any of the situations in which the changes to the project were NONE. So I am feeling quite frustrated now because I have actually..
'Must Override a Superclass Method' Errors after importing a project into Eclipse http://stackoverflow.com/questions/1678122/must-override-a-superclass-method-errors-after-importing-a-project-into-eclips new OnCreateContextMenuListener This methods arguments were not automatically provided public void onCreateContextMenu ContextMenu..
How to get the Android Emulator's IP address? http://stackoverflow.com/questions/1720346/how-to-get-the-android-emulators-ip-address always be reached from your device at 10.0.2.2. Since you were asking only about the emulator's IP what is it you're trying..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts the maximum allowed Native heap size. The magic numbers were determined by testing on 2.1 and 2.2 and may be different on..
Force an android activity to always use landscape mode http://stackoverflow.com/questions/2150287/force-an-android-activity-to-always-use-landscape-mode mess up how the GUI looks depending on how the layout were created. You will have to account for that. Also depending on.. that when screen orientation is changed the values that were filled into any input boxes disappear. This also may have to..
http://stackoverflow.com/questions/2253061/secure-http-post-in-android see if there was something funky about the way the objects were building the request. Everything I've used in testing gives..
Changing Locale within the app itself http://stackoverflow.com/questions/2264874/changing-locale-within-the-app-itself restart but number formats and other locale properties were not applied until full application restart. share improve this..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android use on Android and it is even less clear. Thus if you were to take all of the physical RAM actually mapped in to each process..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog DownloadReceiver new Handler startService intent Here is were ResultReceiver comes to play private class DownloadReceiver.. to check internet availability. Make sure the directory were you are going to download files exist and has write permissions...
get contact info from android contact picker http://stackoverflow.com/questions/3044545/get-contact-info-from-android-contact-picker you get several email addresses if the email addresses were stored in an array String email emailCur.getString emailCur.getColumnIndex..
http://stackoverflow.com/questions/3669325/notifydatasetchanged-example the reference for the List that was passed in. If you were to pass in a List that was a member of an Activity and change..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible 01 27 API says on this When first introduced AsyncTasks were executed serially on a single background thread. Starting with..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables back in '09 when Android was relatively new and there were many not well established areas in Android development. I have..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state code inside the getItem int method. Even if we were not using a FragmentPagerAdapter it is not a good idea to create..
AlphabetIndexer with Custom Adapter managed by LoaderManager http://stackoverflow.com/questions/10224233/alphabetindexer-with-custom-adapter-managed-by-loadermanager
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works row you will notice in your logcat initially convertview is null for all the visible rows because initially there were no view item in recycler so your getView creates each new view for the visible items but the moment you scroll up your item..
Is it possible to have multiple styles inside a TextView? http://stackoverflow.com/questions/1529068/is-it-possible-to-have-multiple-styles-inside-a-textview EditText vw EditText findViewById R.id.text Set the EditText's text. vw.setText Italic highlighted bold. If this were just a TextView we could do vw.setText Italic highlighted bold. TextView.BufferType.SPANNABLE to force it to use Spannable..
Android Studio installation on Windows 7 fails, no JDK found http://stackoverflow.com/questions/16574189/android-studio-installation-on-windows-7-fails-no-jdk-found for this ANDROID_STUDIO_JDK or something like that. However I found nothing. I hope some of you can let me know if you were able to install this or if you are having problems as well. java android installation jdk android studio share improve..
http://stackoverflow.com/questions/16636039/java-lang-classnotfoundexception-after-changing-nothing-in-the-project-but-upgra StackOverflow's already asked questions but have not found any of the situations in which the changes to the project were NONE. So I am feeling quite frustrated now because I have actually changed NOTHING and my project has stopped working android..
'Must Override a Superclass Method' Errors after importing a project into Eclipse http://stackoverflow.com/questions/1678122/must-override-a-superclass-method-errors-after-importing-a-project-into-eclips populated like this list.setOnCreateContextMenuListener new OnCreateContextMenuListener This methods arguments were not automatically provided public void onCreateContextMenu ContextMenu arg1 View arg2 ContextMenuInfo arg3 The odd thing..
How to get the Android Emulator's IP address? http://stackoverflow.com/questions/1720346/how-to-get-the-android-emulators-ip-address
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts startup we check the maximum allowed VM heap size to determine the maximum allowed Native heap size. The magic numbers were determined by testing on 2.1 and 2.2 and may be different on other API levels. long mMaxVmHeap Runtime.getRuntime .maxMemory..
Force an android activity to always use landscape mode http://stackoverflow.com/questions/2150287/force-an-android-activity-to-always-use-landscape-mode when the user rotates the device. This may work but might mess up how the GUI looks depending on how the layout were created. You will have to account for that. Also depending on how the activities are coded you may notice that when screen..
http://stackoverflow.com/questions/2253061/secure-http-post-in-android and even sent all of the above with and without headers to see if there was something funky about the way the objects were building the request. Everything I've used in testing gives me a valid 200 status HTTP response. The service just gives..
Changing Locale within the app itself http://stackoverflow.com/questions/2264874/changing-locale-within-the-app-itself
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android on top of that paging out to disk let alone swap which we don't use on Android and it is even less clear. Thus if you were to take all of the physical RAM actually mapped in to each process and add up all of the processes you would probably end..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog url url of the file to download intent.putExtra receiver new DownloadReceiver new Handler startService intent Here is were ResultReceiver comes to play private class DownloadReceiver extends ResultReceiver public DownloadReceiver Handler handler.. WRITE_EXTERNAL_STORAGE also ACCESS_NETWORK_STATE if you want to check internet availability. Make sure the directory were you are going to download files exist and has write permissions. If download is too big you may want to implement a way..
get contact info from android contact picker http://stackoverflow.com/questions/3044545/get-contact-info-from-android-contact-picker new String id null while emailCur.moveToNext This would allow you get several email addresses if the email addresses were stored in an array String email emailCur.getString emailCur.getColumnIndex ContactsContract.CommonDataKinds.Email.DATA..
http://stackoverflow.com/questions/3669325/notifydatasetchanged-example on the Adapter. When an ArrayAdapter is constructed it holds the reference for the List that was passed in. If you were to pass in a List that was a member of an Activity and change that Activity member later the ArrayAdapter is still holding..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible exactly they changed that. UPDATE Here is what current 2012 01 27 API says on this When first introduced AsyncTasks were executed serially on a single background thread. Starting with DONUT this was changed to a pool of threads allowing multiple..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables state share improve this question I wrote this answer back in '09 when Android was relatively new and there were many not well established areas in Android development. I have added a long addendum at the bottom of this post addressing..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state and is why it is usual to have your fragment initialisation code inside the getItem int method. Even if we were not using a FragmentPagerAdapter it is not a good idea to create a new fragment every single time in Activity.onCreate Bundle..
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