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2014/10/16 ¤W¤È 08:19:35
android Programming Glossary: mostHow 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 list. While a lot of people have tried to do this manually most ListView Adapter classes come with a Filter object that can..
http://stackoverflow.com/questions/2395661/android-tabs-at-the-bottom share improve this question Here's the simplest most robust and scalable solution to get tabs on the bottom of the..
How can I get zoom functionality for images? http://stackoverflow.com/questions/2537238/how-can-i-get-zoom-functionality-for-images
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview Sorry answered my own question. It may not be the most correct or most elegant solution but it works for me and gives.. my own question. It may not be the most correct or most elegant solution but it works for me and gives a pretty solid..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android generating the plumbing classes. I just need the easiest most elegant way to contact a WSDL based web service from an 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 are many ways to download files. Following I will post most common ways it is up to you to decide which method is better..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a is the simplest and most robust way to get the user's current location in Android The.. last known values from available providers and choose the most recent of them. Here's how I use my class LocationResult locationResult..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project 3 ways to add a third party library the one I use is the most elegant in my humble opinion. This will not work however for..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible But later they fixed that and now the size is 5 so at most 5 AsyncTasks can run simultaneously. Unfortunately I don't remember.. from the queue will start execution. So in this case at most 5 tasks will run simultaneously. However if you start 16 your.. so it'll start execution immediatelly. So in this case at most 6 tasks will run simultaneously. There is a limit of how many..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser you XML structure but just listening for events. The most widely used ones are following events Document Start Document..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds who shared what they had I recommend Chase's solution for most cases and I've listed some alternatives in my answer. android..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables be persisted across application lifetimes. Thus I consider most criticism below related to Applications being killed at any.. Android API offers to developer applications is one of the most appealing and pleasing aspects of programming with Android and..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen approx large Exceeds 4 inches xlarge Exceeds 7 inches Most phones are classified as small or normal roughly 3 to 4 inches..
How do I get the current GPS location programmatically in Android? http://stackoverflow.com/questions/1513485/how-do-i-get-the-current-gps-location-programmatically-in-android tutorial for some examples of using LocationManager . Most of the other online tutorials are out of date though Reto Meier..
Android: Storing username and password? http://stackoverflow.com/questions/1925486/android-storing-username-and-password storage credentials share improve this question Most Android and iPhone apps I have seen use an initial screen or..
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button button override back share improve this question Most of the time you need to create a Service to perform something..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon movement to try to eliminate the notion of the file . Most Web apps don't force users to think of files. iPhone apps typically.. to try to eliminate the notion of terminating an app. Most Web apps don't force the user to log out but rather implicitly..
Uploading images to a PHP server from Android http://stackoverflow.com/questions/2544517/uploading-images-to-a-php-server-from-android in HTTPPOST _POST 'title' _POST 'caption' _FILES 'fileatt' Most of the internet searches suggested either Download the following..
Effective Android Programming Techniques [closed] http://stackoverflow.com/questions/2961049/effective-android-programming-techniques about it. Just work with it. Love RelativeLayout Most of the tutorials use LinearLayout but you will find that RelativeLayout..
http://stackoverflow.com/questions/3264610/findviewbyid-returns-null those from this site... you see I'm a little frustrated Most of them come with the advice to use android id instead of just..
How can I refresh MediaStore on Android? http://stackoverflow.com/questions/3300137/how-can-i-refresh-mediastore-on-android a SQLite DB which can be queried by music applications. Most music applications use this service as it saves on battery drain..
SQLiteOpenHelper onUpgrade() Confusion Android http://stackoverflow.com/questions/3505900/sqliteopenhelper-onupgrade-confusion-android a favorite column so that the user can favorite an item. Most implementations I see simply drop the table and reconstruct..
http://stackoverflow.com/questions/4490821/scrollview-inside-scrollview a ListView since ListView takes care of its own scrolling. Most importantly doing this defeats all of the important optimizations..
Example: Android bi-directional network socket using AsyncTask http://stackoverflow.com/questions/5135438/example-android-bi-directional-network-socket-using-asynctask Android bi directional network socket using AsyncTask Most of the network socket examples I found for Android were one..
android live wallpaper rescaling http://stackoverflow.com/questions/5208203/android-live-wallpaper-rescaling your trouble passing around the screen dimensions. Most of us put all of our active code within a single engine class..
Insertion of thousands of contact entries using applyBatch is slow http://stackoverflow.com/questions/5596354/insertion-of-thousands-of-contact-entries-using-applybatch-is-slow insert all the contacts and numbers takes about 30 minutes Most issues I've found regarding slow insertion in SQlite brings.. your ContentResolver to implement bulkInsert efficiently. Most do unless you wrote it yourself in which case it will take a..
Android audio FFT to retrieve specific frequency magnitude using audiorecord http://stackoverflow.com/questions/5774104/android-audio-fft-to-retrieve-specific-frequency-magnitude-using-audiorecord use the magnitudes of the complex numbers in the results. Most of the magnitudes should be close to zero except the frequencies..
How to handle button clicks using the xml onClick within Fragments http://stackoverflow.com/questions/6091194/how-to-handle-button-clicks-using-the-xml-onclick-within-fragments which can be reused inside many different Activities. Most of the behavior of the buttons is Activity independent and I..
http://stackoverflow.com/questions/6746375/java-httppost-into-asp-form a PUT in place of a POST depends entirely on the server. Most servers that expect a POST will accept only a POST. A PUT is..
adb not finding my device / phone (MacOS X) http://stackoverflow.com/questions/7135999/adb-not-finding-my-device-phone-macos-x ID to ~ .android adb_usb.ini and restart adb Full Details Most of the time nothing will need to be done to get the Mac to recognize..
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 to take the input from 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..
http://stackoverflow.com/questions/2395661/android-tabs-at-the-bottom tabwidget's gravity to bottom Thanks llappall android tabwidget share improve this question Here's the simplest most robust and scalable solution to get tabs on the bottom of the screen. In your vertical LinearLayout put the FrameLayout..
How can I get zoom functionality for images? http://stackoverflow.com/questions/2537238/how-can-i-get-zoom-functionality-for-images
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview children. Any takers android share improve this question Sorry answered my own question. It may not be the most correct or most elegant solution but it works for me and gives a pretty solid user experience. I looked into the code for.. Any takers android share improve this question Sorry answered my own question. It may not be the most correct or most elegant solution but it works for me and gives a pretty solid user experience. I looked into the code for ListView to see..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android 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 web services soap wsdl share..
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 download android asynctask share improve this question There are many ways to download files. Following I will post most common ways it is up to you to decide which method is better for your app. 1. Use AsyncTask and show the download progress..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a is the simplest and most robust way to get the user's current location in Android The LocationManager API in android seems like it's a bit of a.. and timer elapses I have to use last known values. I grab last known values from available providers and choose the most recent of them. Here's how I use my class LocationResult locationResult new LocationResult @Override public void gotLocation..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project Library mechanism in Build Path. Of course there are at least 3 ways to add a third party library the one I use is the most elegant in my humble opinion. This will not work however for Android whose Dalvik JVM cannot handle an ordinary Java compiled..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible 1 meaning no parallel computations for a bunch of AsyncTasks. But later they fixed that and now the size is 5 so at most 5 AsyncTasks can run simultaneously. Unfortunately I don't remember in what version exactly they changed that. UPDATE Here.. the first 5 finishes and thus releases a worker thread a task from the queue will start execution. So in this case at most 5 tasks will run simultaneously. However if you start 16 your custom tasks in a row then first 5 will enter their doInBackground.. queue but for the 16th a new worker thread will be created so it'll start execution immediatelly. So in this case at most 6 tasks will run simultaneously. There is a limit of how many tasks can be run simultaneously. Since AsyncTask uses a thread..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser is a bit different. Here you don't specify or declare you XML structure but just listening for events. The most widely used ones are following events Document Start Document End Element Start Element End Characters between Element Start..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds in its getHeight and getWidth bounds Thanks to everyone who shared what they had I recommend Chase's solution for most cases and I've listed some alternatives in my answer. android automation drawing textview textwrapping share improve..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables for saving user or other information that is meant to be persisted across application lifetimes. Thus I consider most criticism below related to Applications being killed at any time etc... moot as anything that ever needed to be persisted.. many problems down the road. IMHO the strong contract the Android API offers to developer applications is one of the most appealing and pleasing aspects of programming with Android and helped lead to early developer adoption which drove the Android..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen sizes Qualifier Size small ~3 inches approx normal ~4 inches approx large Exceeds 4 inches xlarge Exceeds 7 inches Most phones are classified as small or normal roughly 3 to 4 inches diagonally . But now there are many phones with large screen..
How do I get the current GPS location programmatically in Android? http://stackoverflow.com/questions/1513485/how-do-i-get-the-current-gps-location-programmatically-in-android the source for another of my books look for the 23 Location tutorial for some examples of using LocationManager . Most of the other online tutorials are out of date though Reto Meier has one that should be current and I'm sure this stuff is..
Android: Storing username and password? http://stackoverflow.com/questions/1925486/android-storing-username-and-password for the application. How would I do this android authentication storage credentials share improve this question Most Android and iPhone apps I have seen use an initial screen or dialog box to ask for credentials. I think it is cumbersome..
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button than the destroyed state on pressing the back button. android button override back share improve this question Most of the time you need to create a Service to perform something in the background and your visible Activity simply controls..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon ones arise and others get buried. For example there is a growing movement to try to eliminate the notion of the file . Most Web apps don't force users to think of files. iPhone apps typically don't force users to think of files. Android apps generally.. think of files. And so on. Similarly there is a growing movement to try to eliminate the notion of terminating an app. Most Web apps don't force the user to log out but rather implicitly log the user out after a period of inactivity. Same thing..
Uploading images to a PHP server from Android http://stackoverflow.com/questions/2544517/uploading-images-to-a-php-server-from-android a remote PHP server which expects the following parameters in HTTPPOST _POST 'title' _POST 'caption' _FILES 'fileatt' Most of the internet searches suggested either Download the following classes and trying MultiPartEntity to send the request..
Effective Android Programming Techniques [closed] http://stackoverflow.com/questions/2961049/effective-android-programming-techniques Don't spend time praising it. Don't spend time complaining about it. Just work with it. Love RelativeLayout Most of the tutorials use LinearLayout but you will find that RelativeLayout is truly useful. Many layouts like the GridLayout..
http://stackoverflow.com/questions/3264610/findviewbyid-returns-null yes I read all the other threads on this topic. And not only those from this site... you see I'm a little frustrated Most of them come with the advice to use android id instead of just id in the XML file. I did. From others I learned that View.findViewById..
How can I refresh MediaStore on Android? http://stackoverflow.com/questions/3300137/how-can-i-refresh-mediastore-on-android collects data on all the media files on the card and provides a SQLite DB which can be queried by music applications. Most music applications use this service as it saves on battery drain associated with scanning the SD card. Since I started using..
SQLiteOpenHelper onUpgrade() Confusion Android http://stackoverflow.com/questions/3505900/sqliteopenhelper-onupgrade-confusion-android onUpgrade function. My database has a table with an items and a favorite column so that the user can favorite an item. Most implementations I see simply drop the table and reconstruct it but I don't want to do this. I want to be able to add more..
http://stackoverflow.com/questions/4490821/scrollview-inside-scrollview enough You should never use a HorizontalScrollView with a ListView since ListView takes care of its own scrolling. Most importantly doing this defeats all of the important optimizations in ListView for dealing with large lists since it effectively..
Example: Android bi-directional network socket using AsyncTask http://stackoverflow.com/questions/5135438/example-android-bi-directional-network-socket-using-asynctask Android bi directional network socket using AsyncTask Most of the network socket examples I found for Android were one directional only. I needed a solution for a bi directional data..
android live wallpaper rescaling http://stackoverflow.com/questions/5208203/android-live-wallpaper-rescaling your artwork leave blank spaces etc. I'm not sure how to interpret your trouble passing around the screen dimensions. Most of us put all of our active code within a single engine class so our methods can share data via private variables. For example..
Insertion of thousands of contact entries using applyBatch is slow http://stackoverflow.com/questions/5596354/insertion-of-thousands-of-contact-entries-using-applybatch-is-slow 200 400 but the total running time is approx. the same. To insert all the contacts and numbers takes about 30 minutes Most issues I've found regarding slow insertion in SQlite brings up transactions. But since I use the ContentResolver.applyBatch..
Android audio FFT to retrieve specific frequency magnitude using audiorecord http://stackoverflow.com/questions/5774104/android-audio-fft-to-retrieve-specific-frequency-magnitude-using-audiorecord to create your input complex array. Once you get the results use the magnitudes of the complex numbers in the results. Most of the magnitudes should be close to zero except the frequencies that have actual values. You need the sampling frequency..
How to handle button clicks using the xml onClick within Fragments http://stackoverflow.com/questions/6091194/how-to-handle-button-clicks-using-the-xml-onclick-within-fragments of Honeycomb I'm breaking these Activities into Fragments which can be reused inside many different Activities. Most of the behavior of the buttons is Activity independent and I would like the code to reside inside the Fragments file without..
http://stackoverflow.com/questions/6746375/java-httppost-into-asp-form
adb not finding my device / phone (MacOS X) http://stackoverflow.com/questions/7135999/adb-not-finding-my-device-phone-macos-x has to be removed. Executive summary Add the Vendor ID to ~ .android adb_usb.ini and restart adb Full Details Most of the time nothing will need to be done to get the Mac to recognize the phone device. Seriously 99 of the time it just..
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