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2014/10/16 ¤W¤È 08:13:26
android Programming Glossary: factHow did Google manage to do this? Slide ActionBar in Android application http://stackoverflow.com/questions/11234375/how-did-google-manage-to-do-this-slide-actionbar-in-android-application android side navigation share improve this question In fact there's a way to do this. Even without implementing your own..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works
Unable instantiate android.gms.maps.MapFragment http://stackoverflow.com/questions/13719263/unable-instantiate-android-gms-maps-mapfragment file in the google play services_lib directory despite the fact that you never told it there was a project there. If that happens..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts Note that the heapPad is a magic number to allow for the fact that a the reporting of Native heap size is soft and b we want..
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 extremely complicated and difficult to understand area. In fact the chances of you actually correctly interpreting whatever..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview calling editTextView.requestFocus returns true but in fact does not give the EditText focus. What I'm envisioning is basically..
Change language programatically in Android http://stackoverflow.com/questions/2900023/change-language-programatically-in-android for changing language but decided to settle to the fact that UI should be same as phone UI. It was working via setting..
Developing cross platform mobile application [closed] http://stackoverflow.com/questions/3369413/developing-cross-platform-mobile-application need to run the app on many different platforms the fact that it does brings them no value. Conversely the inevitable..
No generated R.java file in my project http://stackoverflow.com/questions/4085959/no-generated-r-java-file-in-my-project layout note_edit.xml and both seems to be related to the fact that the generated R.java is missing. Here is my import statements..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser else if statement in the startElement method. Due to the fact that we have the tags title link and description we have to..
getViewTypeCount and getItemViewType methods of ArrayAdapter http://stackoverflow.com/questions/5300962/getviewtypecount-and-getitemviewtype-methods-of-arrayadapter same layout you don't need to worry about view types. In fact BaseAdapter.java provides a default behavior for all adapters..
Android download binary file problems http://stackoverflow.com/questions/576513/android-download-binary-file-problems a classic Java glitch in there You're not counting on the fact that read is always allowed to return fewer bytes than you ask..
install / uninstall APKs programmatically (PackageManager vs Intents) http://stackoverflow.com/questions/6813322/install-uninstall-apks-programmatically-packagemanager-vs-intents to maintain the installedBy a b relationship. In fact according to the API it is public abstract String getInstallerPackageName..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables for choosing Singleton over Application subclass. In fact it is telling to me that none of Diane's arguments provide a.. these things initializing them on demand. This ignores the fact that there is no reason you cannot initialize on demand using..
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list of the common item view based on the position rely on the fact that convertView contains the view hierarchy you created in.. state of the separator based on the position rely on the fact that convertView contains the view hierarchy you created in..
Why not use always android:configChanges=“keyboardHidden|orientation”? http://stackoverflow.com/questions/7818717/why-not-use-always-androidconfigchanges-keyboardhiddenorientation use a different layout when the device is in landscape the fact that Android reloads your Activity is good because it will then..
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment myFrgment At first I though the main benefit was the fact that I could overload the newInstance method to give flexibility..
How did Google manage to do this? Slide ActionBar in Android application http://stackoverflow.com/questions/11234375/how-did-google-manage-to-do-this-slide-actionbar-in-android-application android android layout android widget android actionbar android side navigation share improve this question In fact there's a way to do this. Even without implementing your own ActionBar. Just have a look at the hierachyviewer Located in..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works
Unable instantiate android.gms.maps.MapFragment http://stackoverflow.com/questions/13719263/unable-instantiate-android-gms-maps-mapfragment complain about not being able to open a .iml project file in the google play services_lib directory despite the fact that you never told it there was a project there. If that happens rebuilding the project solves the problem at least until..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts heapPad mMaxNativeHeap Do not call BitmapFactory Note that the heapPad is a magic number to allow for the fact that a the reporting of Native heap size is soft and b we want to leave some space in the Native heap for other applications...
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 memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand area. In fact the chances of you actually correctly interpreting whatever numbers you get is extremely low. Pretty much every time I look..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview can never get focus even if you tap on it. To make matters worse calling editTextView.requestFocus returns true but in fact does not give the EditText focus. What I'm envisioning is basically a hybrid of 1 2 where rather than the list setting if..
Change language programatically in Android http://stackoverflow.com/questions/2900023/change-language-programatically-in-android stages it's basically fighting the system. We have same requirement for changing language but decided to settle to the fact that UI should be same as phone UI. It was working via setting locale but was too buggy. And you have to set it every time..
Developing cross platform mobile application [closed] http://stackoverflow.com/questions/3369413/developing-cross-platform-mobile-application the hardware they need to run it on. Unless they have a specific need to run the app on many different platforms the fact that it does brings them no value. Conversely the inevitable compromises of making a cross platform API mean that all the..
No generated R.java file in my project http://stackoverflow.com/questions/4085959/no-generated-r-java-file-in-my-project gen is empty. I have errors on Notepadv2.java and in res layout note_edit.xml and both seems to be related to the fact that the generated R.java is missing. Here is my import statements in Notepadv2.java import android.R import android.app.ListActivity..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser which should be pretty obvious by now. Take a look at the else if statement in the startElement method. Due to the fact that we have the tags title link and description we have to track there in the XML structure we are at the moment. That..
getViewTypeCount and getItemViewType methods of ArrayAdapter http://stackoverflow.com/questions/5300962/getviewtypecount-and-getitemviewtype-methods-of-arrayadapter with pictures on the right. If every row in your list has the same layout you don't need to worry about view types. In fact BaseAdapter.java provides a default behavior for all adapters public int getItemViewType int position return 0 public int..
Android download binary file problems http://stackoverflow.com/questions/576513/android-download-binary-file-problems I don't know if it's the only problem but you've got a classic Java glitch in there You're not counting on the fact that read is always allowed to return fewer bytes than you ask for. Thus your read could get less than 1024 bytes but your..
install / uninstall APKs programmatically (PackageManager vs Intents) http://stackoverflow.com/questions/6813322/install-uninstall-apks-programmatically-packagemanager-vs-intents be necessary It should be the responsibility of the PackageManager to maintain the installedBy a b relationship. In fact according to the API it is public abstract String getInstallerPackageName String packageName Retrieve the package name of..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables logic. This is certainly not incorrect but this is not a reason for choosing Singleton over Application subclass. In fact it is telling to me that none of Diane's arguments provide a single reason that using a Singleton is better than an Application.. And this leads more naturally to how you should be managing these things initializing them on demand. This ignores the fact that there is no reason you cannot initialize on demand using an Application subclass as well. Again there is no difference...
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list phase 2 see my explanation if type 0 set the state of the common item view based on the position rely on the fact that convertView contains the view hierarchy you created in convertView null type 0 else set state of the separator based.. hierarchy you created in convertView null type 0 else set state of the separator based on the position rely on the fact that convertView contains the view hierarchy you created in convertView null type 0 else part return convertView Actual..
Why not use always android:configChanges=“keyboardHidden|orientation”? http://stackoverflow.com/questions/7818717/why-not-use-always-androidconfigchanges-keyboardhiddenorientation to fill the remaining space. However if for some reason you use a different layout when the device is in landscape the fact that Android reloads your Activity is good because it will then load up the correct layout. If you use the override on such..
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment Fragment newInstance MyFragment myFragment new MyFragment return myFrgment At first I though the main benefit was the fact that I could overload the newInstance method to give flexibility when creating new instances of a Fragment but I could also..
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