¡@
2014/10/16 ¤W¤È 08:11:11
android Programming Glossary: classesAndroid update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars to get more recent versions of the jars that have those classes Or do I need to revert back to my previous version of java Or..
This Handler class should be static or leaks might occur: IncomingHandler http://stackoverflow.com/questions/11407943/this-handler-class-should-be-static-or-leaks-might-occur-incominghandler What does it mean android memory leaks static classes android lint android handler share improve this question ..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo your code to JSON instead of KML. I did it by creating 6 classes like this Parser.java public interface Parser public Route parse..
How can I use external JARs in an Android project? http://stackoverflow.com/questions/1334802/how-can-i-use-external-jars-in-an-android-project and Export. Order and Export is ignored it seems and all classes from the external JAR is missing in runtime. Is there a trick.. runtime. Is there a trick to properly include the needed classes from an external JAR when building an Android application using..
'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 to Java 1.5 when you want it to use Java 1.6. You have classes implementing interface methods which in Java 1.6 can be annotated..
How to make a nice looking ListView filter on Android [closed] http://stackoverflow.com/questions/1737009/how-to-make-a-nice-looking-listview-filter-on-android have tried to do this manually most ListView Adapter classes come with a Filter object that can be used to perform the filtering..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations Route Path Also Andrea made a DrivingDirections helper classes for Android. I wrote a little helper for this functionality..
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application The same goes for the SEARCH key. Below is some example classes to illustrate Here's an example of a root activity that kills..
NoClassDefFoundError - Eclipse and Android http://stackoverflow.com/questions/2247998/noclassdeffounderror-eclipse-and-android included in the jar checking out the ReferencedLibraries classes . The solution was to remove my jars from the build path and..
Display PDF within app on Android? http://stackoverflow.com/questions/2456344/display-pdf-within-app-on-android out of the box. So my question is are there any OS JARs or classes to display a PDF document within an app Does anybody have experience..
How to return a result (startActivityForResult) from a TabHost Activity? http://stackoverflow.com/questions/2497205/how-to-return-a-result-startactivityforresult-from-a-tabhost-activity startActivityForResult from a TabHost Activity I have 3 classes in my example Class A the main activity. Class A calls a startActivityForResult..
http://stackoverflow.com/questions/2925054/mvc-pattern-in-android use of the XML file by inflaters You can create as many classes as you wish for your model A lot of Utils have been already..
How to send image via MMS in Android? http://stackoverflow.com/questions/2972845/how-to-send-image-via-mms-in-android proxy from MMS APNs port port from MMS APNs Note that some classes are from internal packages. Download from android git is required...
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android would like to have IDE support for generating the plumbing classes. I just need the easiest most elegant way to contact a WSDL..
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 true The AsyncTask will look like this usually subclasses of AsyncTask are declared inside the activity class. that way.. a service . In the next example we are going to use two classes you may not be aware of ResultReceiver and IntentService . ResultReceiver..
Is AsyncTask really conceptually flawed or am I just missing something? http://stackoverflow.com/questions/3357477/is-asynctask-really-conceptually-flawed-or-am-i-just-missing-something and requires to sub class some of the Droid Fu library classes making this a pretty intrusive approach. Now I simply want to..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project available to Eclipse in order to find the third party classes when developing that is compiling your project's source code...
How exactly does the android:onClick XML attribute differ from setOnClickListener? http://stackoverflow.com/questions/4153517/how-exactly-does-the-androidonclick-xml-attribute-differ-from-setonclicklistene
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables Meier and Diane Hackborn in which use of Application subclasses is discouraged in favor of Singleton patterns. Somatik also.. with regards to preferring Singleton over Application subclasses. In my disagreement I will be making use of concepts best explained.. StackExchange link Inability to use abstract or interface classes Inability to subclass High coupling across the application difficult..
Activity Layout: Fragment class: vs android:name attributes http://stackoverflow.com/questions/10162983/activity-layout-fragment-class-vs-androidname-attributes for XML tags and attributes as for Android Java Classes I've asked about it in another question . android android fragments..
Android : Search from Large Arraylist http://stackoverflow.com/questions/10383219/android-search-from-large-arraylist to populate your ListView . You can also filter Custom Classes Java What is the best way to filter a Collection UPDATE Above..
When exactly is it leak safe to use (anonymous) inner classes? http://stackoverflow.com/questions/10864853/when-exactly-is-it-leak-safe-to-use-anonymous-inner-classes some others will join in to cover what I may miss. Inner Classes Introduction As I'm not sure how comfortable you are with OOP.. of the container. Garbage Collection and Non Static Inner Classes Garbage Collection is automatic but tries to remove objects.. until many of them have leaked. Solutions Non static Inner Classes Gain temporary references from the containing object. Allow..
http://stackoverflow.com/questions/12152833/listview-or-tablelayout a suitable Adapter . Now the first key difference is this Classes like LinearLayout and TableLayout require you to supply the.. in XML layouts or alternatively programmatically in code. Classes like ListView and GridView and several others are very different..
How one interface can be used for different background android tasks? http://stackoverflow.com/questions/14253421/how-one-interface-can-be-used-for-different-background-android-tasks is stored as Interface Reference in AsynTask SubClasses like this private Context context null private DelegateTaskCompleted.. there are other activity classes which use same AsynTask Classes GettingBeaconsList and GettingAirports protected void onPostExecute..
Fragment - InstantiationException: no empty Constructor -> Google Maps v2? http://stackoverflow.com/questions/16062923/fragment-instantiationexception-no-empty-constructor-google-maps-v2 1 no empty constructor I've found several tips about Inner Classes and to make them static etc. But these FragmentContact is a..
Picasso loading of image spawned inside AsyncTask http://stackoverflow.com/questions/18808114/picasso-loading-of-image-spawned-inside-asynctask return viewHolder endregion region Inner Classes private class ViewHolder QuickContactBadge contactBadge int.. return viewHolder endregion region Inner Classes private class ViewHolder QuickContactBadge contactBadge int..
Parcelable where/when is describeContents() used? http://stackoverflow.com/questions/4076946/parcelable-where-when-is-describecontents-used bad design . There is one other strange thing in the docs Classes implementing the Parcelable interface must also have a static..
Protected fields not visible to subclasses http://stackoverflow.com/questions/4916215/protected-fields-not-visible-to-subclasses cannot access protected fields of its parent class Classes like ScrollView apparently can. P.S. I realize that I can call..
How can I Reuse Methods for ListViews? http://stackoverflow.com/questions/5914823/how-can-i-reuse-methods-for-listviews Table name for each ListActivity . I plan on putting these Classes and related into their own packages w n the application ie com.myCompany.myApp.AC..
Embedding ZXing in android app http://stackoverflow.com/questions/5969679/embedding-zxing-in-android-app CaptureActivity and the other Original Threads and Handler Classes that you have replaced. Ignore the CaptureActivityHandlerDemo.. that your Activity is named the same in all four of these Classes. It might be a good idea to pass in an interface that implements..
http://stackoverflow.com/questions/8968620/android-soapfault-error break This is how you build locally a match for the Classes object ie complex type on the server . Then you have to add..
Android update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars from method com.my.project.Main.isValidEmailAddress Do I need to get more recent versions of the jars that have those classes Or do I need to revert back to my previous version of java Or is this some totally unrelated problem that I'm just assuming..
This Handler class should be static or leaks might occur: IncomingHandler http://stackoverflow.com/questions/11407943/this-handler-class-should-be-static-or-leaks-might-occur-incominghandler Handler class should be static or leaks might occur IncomingHandler What does it mean android memory leaks static classes android lint android handler share improve this question If IncomingHandler class is not static it will have a reference..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo now you can only get it by JSON or XML it is time to migrate your code to JSON instead of KML. I did it by creating 6 classes like this Parser.java public interface Parser public Route parse XMLParser.java public class XMLParser names of the XML..
How can I use external JARs in an Android project? http://stackoverflow.com/questions/1334802/how-can-i-use-external-jars-in-an-android-project I then add the JAR to the buildpath and check it of in Order and Export. Order and Export is ignored it seems and all classes from the external JAR is missing in runtime. Is there a trick to properly include the needed classes from an external JAR.. it seems and all classes from the external JAR is missing in runtime. Is there a trick to properly include the needed classes from an external JAR when building an Android application using the Eclipse Plug In. I do not want to use ant of Maven...
'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 superclass share improve this question Eclipse is defaulting to Java 1.5 when you want it to use Java 1.6. You have classes implementing interface methods which in Java 1.6 can be annotated with @Override however in Java 1.5 @override could only..
How to make a nice looking ListView filter on Android [closed] http://stackoverflow.com/questions/1737009/how-to-make-a-nice-looking-listview-filter-on-android it and make that input filter the list. While a lot of people have tried to do this manually most ListView Adapter classes come with a Filter object that can be used to perform the filtering automagically. We just need to pipe the input from the..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations query gmaps for kml file and parse it Android Driving Direction Route Path Also Andrea made a DrivingDirections helper classes for Android. I wrote a little helper for this functionality in j2me so I would like to share my samples on Android and BlackBerry...
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application any menus and in the activities that are started by the menus. The same goes for the SEARCH key. Below is some example classes to illustrate Here's an example of a root activity that kills the application when it is destroyed package android.example..
NoClassDefFoundError - Eclipse and Android http://stackoverflow.com/questions/2247998/noclassdeffounderror-eclipse-and-android NoClassDefFoundError for a class that I could clearly see was included in the jar checking out the ReferencedLibraries classes . The solution was to remove my jars from the build path and rename my lib folder to libs . This is an ant convention and..
Display PDF within app on Android? http://stackoverflow.com/questions/2456344/display-pdf-within-app-on-android is not able to display PDFs in a WebView or whatever out of the box. So my question is are there any OS JARs or classes to display a PDF document within an app Does anybody have experience with using some of the standard Java PDF viewer libraries..
How to return a result (startActivityForResult) from a TabHost Activity? http://stackoverflow.com/questions/2497205/how-to-return-a-result-startactivityforresult-from-a-tabhost-activity to return a result startActivityForResult from a TabHost Activity I have 3 classes in my example Class A the main activity. Class A calls a startActivityForResult Intent intent new Intent this ClassB.class..
http://stackoverflow.com/questions/2925054/mvc-pattern-in-android etc. You extend clases like ListActivity TabActivity and make use of the XML file by inflaters You can create as many classes as you wish for your model A lot of Utils have been already written for you. DatabaseUtils Html share improve this answer..
How to send image via MMS in Android? http://stackoverflow.com/questions/2972845/how-to-send-image-via-mms-in-android MMSProxy port MMSCenterUrl url from MMS APNs MMSProxy proxy from MMS APNs port port from MMS APNs Note that some classes are from internal packages. Download from android git is required. The request should be done with url from user's apn space...code....
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android web service is just basically one created in NetBeans . I would like to have IDE support for generating the plumbing classes. I just need the easiest most elegant way to contact a WSDL based web service from an Android based phone. java android..
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 public void onCancel DialogInterface dialog downloadTask.cancel true The AsyncTask will look like this usually subclasses of AsyncTask are declared inside the activity class. that way you can easily modify the UI thread from here private class.. The big question here is how do I update my activity from a service . In the next example we are going to use two classes you may not be aware of ResultReceiver and IntentService . ResultReceiver is the one that will allow us to update our thread..
Is AsyncTask really conceptually flawed or am I just missing something? http://stackoverflow.com/questions/3357477/is-asynctask-really-conceptually-flawed-or-am-i-just-missing-something component exists anymore. Still it is a complex workaround and requires to sub class some of the Droid Fu library classes making this a pretty intrusive approach. Now I simply want to know Am I just massively missing something or is AsyncTask..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project
How exactly does the android:onClick XML attribute differ from setOnClickListener? http://stackoverflow.com/questions/4153517/how-exactly-does-the-androidonclick-xml-attribute-differ-from-setonclicklistene
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables kind enough to point out an interesting conversation with Reto Meier and Diane Hackborn in which use of Application subclasses is discouraged in favor of Singleton patterns. Somatik also pointed out something of this nature earlier although I didn't.. strongly with the opinions Diane in particular expressed with regards to preferring Singleton over Application subclasses. In my disagreement I will be making use of concepts best explained in this StackExchange explanation of the Singleton design.. following list of downsides to Singletons as stolen from the StackExchange link Inability to use abstract or interface classes Inability to subclass High coupling across the application difficult to modify Difficult to test can't fake mock in unit..
Activity Layout: Fragment class: vs android:name attributes http://stackoverflow.com/questions/10162983/activity-layout-fragment-class-vs-androidname-attributes with the android name attribute I'd like to have some documentation for XML tags and attributes as for Android Java Classes I've asked about it in another question . android android fragments android xml xml attribute share improve this question..
Android : Search from Large Arraylist http://stackoverflow.com/questions/10383219/android-search-from-large-arraylist will return a complete filtered ArrayList with which you want to populate your ListView . You can also filter Custom Classes Java What is the best way to filter a Collection UPDATE Above solution was case sensitive so to work around you can add..
When exactly is it leak safe to use (anonymous) inner classes? http://stackoverflow.com/questions/10864853/when-exactly-is-it-leak-safe-to-use-anonymous-inner-classes best with the knowledge that I have to cover it and hopefully some others will join in to cover what I may miss. Inner Classes Introduction As I'm not sure how comfortable you are with OOP in Java this will hit a couple of basics. An inner class is.. reference. Lifetime is supposed to be no longer than that of the container. Garbage Collection and Non Static Inner Classes Garbage Collection is automatic but tries to remove objects based on whether it thinks they are being used. The Garbage.. leaks to find because they are likely to go unnoticed until many of them have leaked. Solutions Non static Inner Classes Gain temporary references from the containing object. Allow the containing object to be the only one to keep long lived..
http://stackoverflow.com/questions/12152833/listview-or-tablelayout from using a GridView again by supplying data through a suitable Adapter . Now the first key difference is this Classes like LinearLayout and TableLayout require you to supply the child elements either in XML layouts or alternatively programmatically.. TableLayout require you to supply the child elements either in XML layouts or alternatively programmatically in code. Classes like ListView and GridView and several others are very different because they are subclasses of android.widget.AdapterView..
How one interface can be used for different background android tasks? http://stackoverflow.com/questions/14253421/how-one-interface-can-be-used-for-different-background-android-tasks Alert Box or load Activity number 8 Now in above code MainClass.this is stored as Interface Reference in AsynTask SubClasses like this private Context context null private DelegateTaskCompleted delegate null public GettingBeaconsList Context context.. shown below. In this case calling class is MainClass but there are other activity classes which use same AsynTask Classes GettingBeaconsList and GettingAirports protected void onPostExecute String file_url pDialog.dismiss delegate.JsonArrayLoaded..
Fragment - InstantiationException: no empty Constructor -> Google Maps v2? http://stackoverflow.com/questions/16062923/fragment-instantiationexception-no-empty-constructor-google-maps-v2 can't instantiate class com. .FragmentContact 1 no empty constructor I've found several tips about Inner Classes and to make them static etc. But these FragmentContact is a public class in a .java file and has a public empty constructor..
Picasso loading of image spawned inside AsyncTask http://stackoverflow.com/questions/18808114/picasso-loading-of-image-spawned-inside-asynctask convertView viewHolder.contactBadge.setLayoutParams mContactPicLayoutParams return viewHolder endregion region Inner Classes private class ViewHolder QuickContactBadge contactBadge int position private class AddressFetcherTask extends AsyncTask.. convertView viewHolder.contactBadge.setLayoutParams mContactPicLayoutParams return viewHolder endregion region Inner Classes private class ViewHolder QuickContactBadge contactBadge int position AddressFetcherTask task private class AddressFetcherTask..
Parcelable where/when is describeContents() used? http://stackoverflow.com/questions/4076946/parcelable-where-when-is-describecontents-used This whole Parceable functionality looks unfinished read has bad design . There is one other strange thing in the docs Classes implementing the Parcelable interface must also have a static field called CREATOR which is an object implementing the Parcelable.Creator..
Protected fields not visible to subclasses http://stackoverflow.com/questions/4916215/protected-fields-not-visible-to-subclasses variables declared protected . How is it that my direct subclass cannot access protected fields of its parent class Classes like ScrollView apparently can. P.S. I realize that I can call getScrollX but I want to update these fields calling setScroll..
How can I Reuse Methods for ListViews? http://stackoverflow.com/questions/5914823/how-can-i-reuse-methods-for-listviews but the only changes in the 'Cursor databaseCursor' ie. The Table name for each ListActivity . I plan on putting these Classes and related into their own packages w n the application ie com.myCompany.myApp.AC Also w n these Activities there needs..
Embedding ZXing in android app http://stackoverflow.com/questions/5969679/embedding-zxing-in-android-app a copy of your ZXing working project. Remove the original CaptureActivity and the other Original Threads and Handler Classes that you have replaced. Ignore the CaptureActivityHandlerDemo file as it was put up there by mistake Change the package.. names to match the working ZXing package names. Make sure that your Activity is named the same in all four of these Classes. It might be a good idea to pass in an interface that implements getHolder rather than the Activity Class itself. Make sure..
http://stackoverflow.com/questions/8968620/android-soapfault-error 0 Bound String arg1 break case 1 Zoom String arg1 break default break This is how you build locally a match for the Classes object ie complex type on the server . Then you have to add the necessary properties build the envelope add Mapping and..
|