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2014/10/16 ¤W¤È 08:26:45
android Programming Glossary: trackWhat Android tools and methods work best to find memory/resource leaks? http://stackoverflow.com/questions/1147172/what-android-tools-and-methods-work-best-to-find-memory-resource-leaks come across. http android developers.blogspot.com 2009 02 track memory allocations.html http android developers.blogspot.com..
Foreign key constraints in Android using SQLite? on Delete cascade http://stackoverflow.com/questions/2545558/foreign-key-constraints-in-android-using-sqlite-on-delete-cascade Android using SQLite on Delete cascade I have two tables tracks and waypoints a track can have many waypoints but a waypoint.. Delete cascade I have two tables tracks and waypoints a track can have many waypoints but a waypoint is assigned to only 1.. have many waypoints but a waypoint is assigned to only 1 track. In the way points table I have a column called trackidfk which..
What's wrong with debugging in Eclipse on Android? [duplicate] http://stackoverflow.com/questions/2552568/whats-wrong-with-debugging-in-eclipse-on-android to 1991 with printf like logging at every interval then to track down bugs Seriously. Is there a configuration or plug in that..
How to hook into the Power button in Android? http://stackoverflow.com/questions/3703071/how-to-hook-into-the-power-button-in-android Do something here... event.startTracking Needed to track long presses return true return super.onKeyDown keyCode event..
Play an audio clip onto an ongoing call http://stackoverflow.com/questions/3900564/play-an-audio-clip-onto-an-ongoing-call it possible to modify an active call by overlaying a sound track during the call I looked up the SDK but couldn't find any api.. it possible to modify an active call by overlaying a sound track during the call No sorry there is no API to access the in call..
Android: Go back to previous activity http://stackoverflow.com/questions/4038479/android-go-back-to-previous-activity and it'll take you back to the previous activity. Keep track of the activity stack. Whenever you start a new activity with..
Example: Communication between Activity and Service using Messaging http://stackoverflow.com/questions/4300291/example-communication-between-activity-and-service-using-messaging ArrayList Messenger mClients new ArrayList Messenger Keeps track of all current registered clients. int mValue 0 Holds last value..
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview could place each image LEFT_OF the previous one keeping track of the width of each image until you run out of room on that..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser we have the tags title link and description we have to track there in the XML structure we are at the moment. That is if..
How to use Accelerometer to measure distance for Android Application Development http://stackoverflow.com/questions/6352681/how-to-use-accelerometer-to-measure-distance-for-android-application-development at 23 20. I highly recommend this video. Similar questions track small movements of iphone with no GPS What is the real world..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare they can be somewhat the same. Am I at all on the right track here UPDATE I think that maybe Alis answer about using DTW could..
install / uninstall APKs programmatically (PackageManager vs Intents) http://stackoverflow.com/questions/6813322/install-uninstall-apks-programmatically-packagemanager-vs-intents installs other applications and it needs to keep track of what applications it has installed. Of course this could.. the platform 2.2 and was originally not actually used for tracking who installed the app it is used by the platform to determine.. after it was introduced Market still didn't use it to track the apps it has installed and it may very well still not use..
Indoor Positioning System based on Gyroscope and Accelerometer http://stackoverflow.com/questions/7499959/indoor-positioning-system-based-on-gyroscope-and-accelerometer and Accelerometer I am developing an Android App to track indoor position. My phone is an Google Nexus S using two sensors.. 2 sensors accelerometer for motion and Gyro for directions track the phone when moving. And display on a map when the user is..
Hiding Title in a Fullscreen mode? http://stackoverflow.com/questions/991764/hiding-title-in-a-fullscreen-mode put together this example that should set you o nthe right track Here is the layout file xml version 1.0 encoding utf 8 LinearLayout..
How do I stop GC_CONCURRENT running so frequently? http://stackoverflow.com/questions/10070189/how-do-i-stop-gc-concurrent-running-so-frequently linked list . For playing the Audio I am using AudioTrack class and onPeriodicNotification I read the data from playerBuffer.. eats of all the time and which is causing AudioTrack restart so frequently I guess . I get following messages from.. created 04 09 12 25 17.546 I Audio Player 10100 Audio Track instance created buffer Size 2972 04 09 12 25 17.546 I SpeexThread..
show the information in the middle of the call http://stackoverflow.com/questions/10683841/show-the-information-in-the-middle-of-the-call v.setClickable false sendMessage v number Track this event MixPanelTracking.setPropKeyValue getApplicationContext.. false sendMessage v number Track this event MixPanelTracking.setPropKeyValue getApplicationContext null null Add friend..
Android: AVD-Settings for Galaxy S3-Like AVD http://stackoverflow.com/questions/10833402/android-avd-settings-for-galaxy-s3-like-avd 720 SD Card Support yes Touch screen type multi touch Track ball support no For one with update to JellyBean all values..
How to intercept incoming calls android 2.3.x http://stackoverflow.com/questions/11180727/how-to-intercept-incoming-calls-android-2-3-x startService i Input event handler call backs Track ball press event handler that will answer a call @Override public.. handler that will answer a call @Override public boolean onTrackballEvent MotionEvent event switch event.getAction case MotionEvent.ACTION_MOVE.. debugLog trackball event event return super.dispatchTrackballEvent event Camera button press event handler that will answer..
Low-latency audio playback on Android http://stackoverflow.com/questions/14842803/low-latency-audio-playback-on-android to notice any changes in my application I'm using the AudioTrack API and I'm not even sure if it should reap benefits from this.. is on your target processor. Test and measure your code. Track how long it takes to run and remember that you need to know..
Null Validation on EditText box in Alert Dialog - Android http://stackoverflow.com/questions/2580606/null-validation-on-edittext-box-in-alert-dialog-android new AlertDialog.Builder this alert.setTitle Record New Track alert.setMessage Please Name Your Track Set an EditText view.. Record New Track alert.setMessage Please Name Your Track Set an EditText view to get user input final EditText trackName.. do new AlertDialog.Builder this .setTitle Record New Track .setMessage Please Name Your Track and some more method calls..
Android: Is application running in background? http://stackoverflow.com/questions/3667022/android-is-application-running-in-background solution credits go to Dan CommonsWare and NeTeInStEiN Track visibility of your application by yourself using Activity.onPause..
java.lang.ClassNotFoundException on working app http://stackoverflow.com/questions/3781151/java-lang-classnotfoundexception-on-working-app to instantiate application cz.teamnovak.droid.Novak ESC Track guide java.lang.ClassNotFoundException cz.teamnovak.droid.Novak.. cz.teamnovak.droid.Novak ESC Track guide in loader dalvik.system.PathClassLoader data app cz.teamnovak.droid.. cz.teamnovak.droid.Novak ESC Track guide in loader dalvik.system.PathClassLoader data app cz.teamnovak.droid..
android code for streaming shoutcast stream breaks in 2.2 http://stackoverflow.com/questions/3834548/android-code-for-streaming-shoutcast-stream-breaks-in-2-2 ImageButton playButton private ProgressBar progressBar Track for display by progressBar private long mediaLengthInKb mediaLengthInSeconds..
Android drawing a line to follow your finger http://stackoverflow.com/questions/4300399/android-drawing-a-line-to-follow-your-finger question You're only tracking the up and down events. Track the ACTION_MOVE event too. Beware that it will track continuously..
How to display popup on tapping overlay in android? http://stackoverflow.com/questions/4486864/how-to-display-popup-on-tapping-overlay-in-android getHitMapLocation MapView mapView GeoPoint tapPoint Track which MapLocation was hit...if any PantryLocation hitMapLocation..
jQuery Drag and Drop on touch devices (iPad, Android) http://stackoverflow.com/questions/5796109/jquery-drag-and-drop-on-touch-devices-ipad-android widgets from inheriting the touch event touchHandled true Track movement to determine if interaction was a click self._touchMoved..
http://stackoverflow.com/questions/6306636/read-id3-tags-of-an-mp3-file the SD card. I want to basically fetch Title Artist Album Track Length Album Art android mp3 id3 id3 tag share improve this..
Custom tap window on Google Map http://stackoverflow.com/questions/6385908/custom-tap-window-on-google-map getHitMapLocation MapView mapView GeoPoint tapPoint Track which MapLocation was hit...if any MapLocation hitMapLocation..
Live Audio Recording and Playing in Android and Thread & callback handling http://stackoverflow.com/questions/9413998/live-audio-recording-and-playing-in-android-and-thread-callback-handling . For that purpose I have used AudioRecord and AudioTrack classes for recording and playing respectively. My Program looks.. and playing private AudioRecord recorder null private AudioTrack player null private AudioManager audioManager null private int.. for int rate mSampleRates this.recordingSampleRate AudioTrack.getNativeOutputSampleRate AudioManager.STREAM_MUSIC try Log.d..
What Android tools and methods work best to find memory/resource leaks? http://stackoverflow.com/questions/1147172/what-android-tools-and-methods-work-best-to-find-memory-resource-leaks this question Here are a couple of good blog posts I've come across. http android developers.blogspot.com 2009 02 track memory allocations.html http android developers.blogspot.com 2009 01 avoiding memory leaks.html share improve this answer..
Foreign key constraints in Android using SQLite? on Delete cascade http://stackoverflow.com/questions/2545558/foreign-key-constraints-in-android-using-sqlite-on-delete-cascade key constraints in Android using SQLite on Delete cascade I have two tables tracks and waypoints a track can have many waypoints but a waypoint is assigned to only 1 track. In the way points table I have.. key constraints in Android using SQLite on Delete cascade I have two tables tracks and waypoints a track can have many waypoints but a waypoint is assigned to only 1 track. In the way points table I have a column called trackidfk.. cascade I have two tables tracks and waypoints a track can have many waypoints but a waypoint is assigned to only 1 track. In the way points table I have a column called trackidfk which inserts the track_ID once a track is made however I have..
What's wrong with debugging in Eclipse on Android? [duplicate] http://stackoverflow.com/questions/2552568/whats-wrong-with-debugging-in-eclipse-on-android right. Does developing with Eclipse resort everyone back to 1991 with printf like logging at every interval then to track down bugs Seriously. Is there a configuration or plug in that I'm missing to help with this I haven't tested this case with..
How to hook into the Power button in Android? http://stackoverflow.com/questions/3703071/how-to-hook-into-the-power-button-in-android int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_POWER Do something here... event.startTracking Needed to track long presses return true return super.onKeyDown keyCode event @Override public boolean onKeyLongPress int keyCode KeyEvent..
Play an audio clip onto an ongoing call http://stackoverflow.com/questions/3900564/play-an-audio-clip-onto-an-ongoing-call an audio clip onto an ongoing call Is it possible to modify an active call by overlaying a sound track during the call I looked up the SDK but couldn't find any api to do this in the documentation. I am trying to investigate..
Android: Go back to previous activity http://stackoverflow.com/questions/4038479/android-go-back-to-previous-activity you can just call the finishActivity function from your code and it'll take you back to the previous activity. Keep track of the activity stack. Whenever you start a new activity with an intent you can specify an intent flag like FLAG_ACTIVITY_REORDER_TO_FRONT..
Example: Communication between Activity and Service using Messaging http://stackoverflow.com/questions/4300291/example-communication-between-activity-and-service-using-messaging 0 incrementby 1 private static boolean isRunning false ArrayList Messenger mClients new ArrayList Messenger Keeps track of all current registered clients. int mValue 0 Holds last value set by a client. static final int MSG_REGISTER_CLIENT 1..
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview RelativeLayout . For example if you extend RelativeLayout you could place each image LEFT_OF the previous one keeping track of the width of each image until you run out of room on that row and then start the next row by placing the first image..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser 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 is if we encounter a item starting tag we set the inItem flag to true..
How to use Accelerometer to measure distance for Android Application Development http://stackoverflow.com/questions/6352681/how-to-use-accelerometer-to-measure-distance-for-android-application-development in practice. Here is an explanation why Google Tech Talk at 23 20. I highly recommend this video. Similar questions track small movements of iphone with no GPS What is the real world accuracy of phone accelerometers when used for positioning..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare a smart way They will never have exactly the same values but they can be somewhat the same. Am I at all on the right track here UPDATE I think that maybe Alis answer about using DTW could be the right way for me here. But I'm not that smart apparently..
install / uninstall APKs programmatically (PackageManager vs Intents) http://stackoverflow.com/questions/6813322/install-uninstall-apks-programmatically-packagemanager-vs-intents APKs programmatically PackageManager vs Intents My application installs other applications and it needs to keep track of what applications it has installed. Of course this could be achieved by simply keeping a list of installed applications... that this installerPackage was only added fairly recently to the platform 2.2 and was originally not actually used for tracking who installed the app it is used by the platform to determine who to launch when reporting bugs with the app for implementing.. the API method arguments changed. For at least a long while after it was introduced Market still didn't use it to track the apps it has installed and it may very well still not use it but instead just used this to set the Android Feedback app..
Indoor Positioning System based on Gyroscope and Accelerometer http://stackoverflow.com/questions/7499959/indoor-positioning-system-based-on-gyroscope-and-accelerometer Positioning System based on Gyroscope and Accelerometer I am developing an Android App to track indoor position. My phone is an Google Nexus S using two sensors the first being an Accelerometer and the second being a.. a starting reference point a known GPS position using the 2 sensors accelerometer for motion and Gyro for directions track the phone when moving. And display on a map when the user is going. But the problem is that i have no idea how to combine..
Hiding Title in a Fullscreen mode? http://stackoverflow.com/questions/991764/hiding-title-in-a-fullscreen-mode your own title bar and dynamically show and hide that... I put together this example that should set you o nthe right track Here is the layout file xml version 1.0 encoding utf 8 LinearLayout xmlns android http schemas.android.com apk res android..
How do I stop GC_CONCURRENT running so frequently? http://stackoverflow.com/questions/10070189/how-do-i-stop-gc-concurrent-running-so-frequently does the encoding of this data and place it to a playerBuffer linked list . For playing the Audio I am using AudioTrack class and onPeriodicNotification I read the data from playerBuffer and write it to track. The code is simple and straight.. as it appears. However it doesnt work the way it should. GC_CONCURRENT eats of all the time and which is causing AudioTrack restart so frequently I guess . I get following messages from LogCat 04 09 12 25 13.757 E Constructor 10100 inside constructor.. 04 09 12 25 17.445 I AudioCapturer 10100 Audio Recorder created 04 09 12 25 17.546 I Audio Player 10100 Audio Track instance created buffer Size 2972 04 09 12 25 17.546 I SpeexThread 10100 Thread Started Successfully.. 04 09 12 25 17.734..
show the information in the middle of the call http://stackoverflow.com/questions/10683841/show-the-information-in-the-middle-of-the-call v.setBackgroundDrawable ct.getResources .getDrawable R.drawable.images v.setClickable false sendMessage v number Track this event MixPanelTracking.setPropKeyValue getApplicationContext null null Add friend During Call inviteButton.setWidth.. ct.getResources .getDrawable R.drawable.images v.setClickable false sendMessage v number Track this event MixPanelTracking.setPropKeyValue getApplicationContext null null Add friend During Call inviteButton.setWidth 30 inviteButton.setHeight..
Android: AVD-Settings for Galaxy S3-Like AVD http://stackoverflow.com/questions/10833402/android-avd-settings-for-galaxy-s3-like-avd 16M color which is 24 bits LCD Pixel height 1280 LCD Pixel width 720 SD Card Support yes Touch screen type multi touch Track ball support no For one with update to JellyBean all values are the same except as follows Name Samsung_Galaxy_S3_JellyBean..
How to intercept incoming calls android 2.3.x http://stackoverflow.com/questions/11180727/how-to-intercept-incoming-calls-android-2-3-x i.putExtra delay Hc.RESTART_DELAY startService i Input event handler call backs Track ball press event handler that will answer a call @Override public boolean onTrackballEvent MotionEvent event switch event.getAction.. Input event handler call backs Track ball press event handler that will answer a call @Override public boolean onTrackballEvent MotionEvent event switch event.getAction case MotionEvent.ACTION_MOVE return true case MotionEvent.ACTION_DOWN.. true case MotionEvent.ACTION_DOWN answerCall return true default debugLog trackball event event return super.dispatchTrackballEvent event Camera button press event handler that will answer a call @Override public boolean dispatchKeyEvent KeyEvent..
Low-latency audio playback on Android http://stackoverflow.com/questions/14842803/low-latency-audio-playback-on-android some new class API calls I should be implementing for me to notice any changes in my application I'm using the AudioTrack API and I'm not even sure if it should reap benefits from this improvement or if I should be looking into some other mechanism.. such as NEON SSE or whatever the equivalent instruction set is on your target processor. Test and measure your code. Track how long it takes to run and remember that you need to know the worst case performance not the average because the worst..
Null Validation on EditText box in Alert Dialog - Android http://stackoverflow.com/questions/2580606/null-validation-on-edittext-box-in-alert-dialog-android a Toast saying error. So far I have AlertDialog.Builder alert new AlertDialog.Builder this alert.setTitle Record New Track alert.setMessage Please Name Your Track Set an EditText view to get user input final EditText trackName new EditText this.. alert new AlertDialog.Builder this alert.setTitle Record New Track alert.setMessage Please Name Your Track Set an EditText view to get user input final EditText trackName new EditText this alert.setView trackName alert.setPositiveButton.. a reference to an AlertDialog.Builder object you can simply do new AlertDialog.Builder this .setTitle Record New Track .setMessage Please Name Your Track and some more method calls .create or .show Saves you a reference and a lot of typing..
Android: Is application running in background? http://stackoverflow.com/questions/3667022/android-is-application-running-in-background but only one of them is completely reliable The right solution credits go to Dan CommonsWare and NeTeInStEiN Track visibility of your application by yourself using Activity.onPause Activity.onResume methods. Store visibility status in..
java.lang.ClassNotFoundException on working app http://stackoverflow.com/questions/3781151/java-lang-classnotfoundexception-on-working-app but I am getting this error java.lang.RuntimeException Unable to instantiate application cz.teamnovak.droid.Novak ESC Track guide java.lang.ClassNotFoundException cz.teamnovak.droid.Novak ESC Track guide in loader dalvik.system.PathClassLoader.. application cz.teamnovak.droid.Novak ESC Track guide java.lang.ClassNotFoundException cz.teamnovak.droid.Novak ESC Track guide in loader dalvik.system.PathClassLoader data app cz.teamnovak.droid 1.apk at android.app.ActivityThread PackageInfo.makeApplication.. dalvik.system.NativeStart.main Native Method Caused by java.lang.ClassNotFoundException cz.teamnovak.droid.Novak ESC Track guide in loader dalvik.system.PathClassLoader data app cz.teamnovak.droid 1.apk at dalvik.system.PathClassLoader.findClass..
android code for streaming shoutcast stream breaks in 2.2 http://stackoverflow.com/questions/3834548/android-code-for-streaming-shoutcast-stream-breaks-in-2-2 10secs 8bits per byte private TextView textStreamed private ImageButton playButton private ProgressBar progressBar Track for display by progressBar private long mediaLengthInKb mediaLengthInSeconds private int totalKbRead 0 Create Handler to..
Android drawing a line to follow your finger http://stackoverflow.com/questions/4300399/android-drawing-a-line-to-follow-your-finger experiment. android drawing ontouchevent share improve this question You're only tracking the up and down events. Track the ACTION_MOVE event too. Beware that it will track continuously even if the person's finger isn't apparently moving. Your..
How to display popup on tapping overlay in android? http://stackoverflow.com/questions/4486864/how-to-display-popup-on-tapping-overlay-in-android be displayed or a prior balloon hidden. private PantryLocation getHitMapLocation MapView mapView GeoPoint tapPoint Track which MapLocation was hit...if any PantryLocation hitMapLocation null RectF hitTestRecr new RectF Point screenCoords new..
jQuery Drag and Drop on touch devices (iPad, Android) http://stackoverflow.com/questions/5796109/jquery-drag-and-drop-on-touch-devices-ipad-android 0 return Set the flag to prevent other widgets from inheriting the touch event touchHandled true Track movement to determine if interaction was a click self._touchMoved false Simulate the mouseover event simulateMouseEvent..
http://stackoverflow.com/questions/6306636/read-id3-tags-of-an-mp3-file trying to read ID3 from a mp3 file thats locally stored in the SD card. I want to basically fetch Title Artist Album Track Length Album Art android mp3 id3 id3 tag share improve this question You can get all of this using MediaMetadataRetriever..
Custom tap window on Google Map http://stackoverflow.com/questions/6385908/custom-tap-window-on-google-map screenCoords.y result true return result private MapLocation getHitMapLocation MapView mapView GeoPoint tapPoint Track which MapLocation was hit...if any MapLocation hitMapLocation null RectF hitTestRecr new RectF Point screenCoords new Point..
Live Audio Recording and Playing in Android and Thread & callback handling http://stackoverflow.com/questions/9413998/live-audio-recording-and-playing-in-android-and-thread-callback-handling than the last one for stopping the current task recording playing . For that purpose I have used AudioRecord and AudioTrack classes for recording and playing respectively. My Program looks like.... @author amit public class AudioRecorder extends.. are required for the actual functioning of the recording and playing private AudioRecord recorder null private AudioTrack player null private AudioManager audioManager null private int recorderBufSize recordingSampleRate private int trackBufSize.. 22050 44100 short audioFormat AudioFormat.ENCODING_PCM_16BIT for int rate mSampleRates this.recordingSampleRate AudioTrack.getNativeOutputSampleRate AudioManager.STREAM_MUSIC try Log.d LOG_TAG Attempting rate rate Hz bits audioFormat int bufrSize..
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