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2014/10/16 ¤W¤Č 08:20:01
android Programming Glossary: nbMore efficient way for pausing loop wanted http://stackoverflow.com/questions/10665780/more-efficient-way-for-pausing-loop-wanted pause is called. pause.writeLock .unlock Pause the work. NB MUST be balanced by a resume. public void pause We can wait.. for a lock here. pause.readLock .lock Resume the work. NB MUST be balanced by a pause. public void resume Release the..
Android: open activity without save into the stack http://stackoverflow.com/questions/12358485/android-open-activity-without-save-into-the-stack the new Activity from being added to the history stack. NB As @Sam points out you can use i.addFlags Intent.FLAG_ACTIVITY_NO_HISTORY..
Punch a hole in a rectangle overlay with HW acceleration enabled on View http://stackoverflow.com/questions/13528550/punch-a-hole-in-a-rectangle-overlay-with-hw-acceleration-enabled-on-view the SW rendering performance would also be acceptable. NB When moving the circle around I am just invalidating a region..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch of raw gravity vector received in onSensorChanged ... . NB should be about 10 float m_NormGravityVector Normalised gravity.. screen_adjustment 3 float Math.PI 2 break NB the rotation matrix has now effectively been calculated. It.. all the required angles from the rotation matrix NB see http math.stackexchange.com questions 381649 whats the best..
Is setContentIntent(PendingIntent) required in NotificationCompat.Builder? http://stackoverflow.com/questions/20032249/is-setcontentintentpendingintent-required-in-notificationcompat-builder situation another Android docs bug Is it API dependent NB my target SGK is 17 and running this on a 2.3.7 phone android..
Animation for expandableListView http://stackoverflow.com/questions/2385567/animation-for-expandablelistview see https plus.google.com 108176685096570584154 posts . NB I'm not affiliated with the author. share improve this answer..
Android Emulator won't run application started from eclipse http://stackoverflow.com/questions/2793956/android-emulator-wont-run-application-started-from-eclipse connecting a device with USB debugging turned on. NB This suddenly started happening for no apparent reason. All.. Task Manager and once again kill the adb.exe process. NB I find that adb.exe doesn't reappear in the Task Manager unless..
Which audio format can be recorded and played back by iPhone and Android? http://stackoverflow.com/questions/5083958/which-audio-format-can-be-recorded-and-played-back-by-iphone-and-android Otherwise just pick from the list for widest coverage AMR NB on Android or plan on converting the recorded audio to a suitable..
Android post picture to Facebook wall http://stackoverflow.com/questions/5168145/android-post-picture-to-facebook-wall Toast shows 8733 which means the byte array isn't empty NB. Logcat output some warnings not errors 03 02 14 19 29.554 WARN..
iOS / Android cross platform development [duplicate] http://stackoverflow.com/questions/6171128/ios-android-cross-platform-development supports 2D graphics and includes a 2D physics engine. NB Today we announced that Particle Code has been acquired by Appcelerator..
switch back/front camera on fly http://stackoverflow.com/questions/6599454/switch-back-front-camera-on-fly void onClick View v if inPreview camera.stopPreview NB if you don't release the current camera before switching you..
What does Bitmap#recycle() in Android Honeycomb actually DO? http://stackoverflow.com/questions/7852943/what-does-bitmaprecycle-in-android-honeycomb-actually-do System.gc ”until it feels the need to get rid of something NB I know Bitmap s aren't actually held in the regular heap but..
Runtime.exec() bug: hangs without providing a Process object http://stackoverflow.com/questions/8688382/runtime-exec-bug-hangs-without-providing-a-process-object the last opened file descriptor before calling exec . NB Make sure SU binary is up to date it can actually cause this..
More efficient way for pausing loop wanted http://stackoverflow.com/questions/10665780/more-efficient-way-for-pausing-loop-wanted finally Release the lock immediately to avoid blocking when pause is called. pause.writeLock .unlock Pause the work. NB MUST be balanced by a resume. public void pause We can wait for a lock here. pause.readLock .lock Resume the work. NB MUST.. NB MUST be balanced by a resume. public void pause We can wait for a lock here. pause.readLock .lock Resume the work. NB MUST be balanced by a pause. public void resume Release the lock. pause.readLock .unlock Stop. public void cancel Stop everything...
Android: open activity without save into the stack http://stackoverflow.com/questions/12358485/android-open-activity-without-save-into-the-stack flag startActivity i The FLAG_ACTIVITY_NO_HISTORY flag keeps the new Activity from being added to the history stack. NB As @Sam points out you can use i.addFlags Intent.FLAG_ACTIVITY_NO_HISTORY instead. There is no functional difference. share..
Punch a hole in a rectangle overlay with HW acceleration enabled on View http://stackoverflow.com/questions/13528550/punch-a-hole-in-a-rectangle-overlay-with-hw-acceleration-enabled-on-view AND that works consistently on devices A method which increases the SW rendering performance would also be acceptable. NB When moving the circle around I am just invalidating a region not the entire canvas so there's no room for a performance..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch raw inputs from Android sensors float m_Norm_Gravity length of raw gravity vector received in onSensorChanged ... . NB should be about 10 float m_NormGravityVector Normalised gravity vector i.e. length of this vector is 1 which points straight.. screen_adjustment float Math.PI break case Surface.ROTATION_270 screen_adjustment 3 float Math.PI 2 break NB the rotation matrix has now effectively been calculated. It consists of the three vectors m_NormEastVector m_NormNorthVector.. m_NormNorthVector and m_NormGravityVector calculate all the required angles from the rotation matrix NB see http math.stackexchange.com questions 381649 whats the best 3d angular co ordinate system for working with smartfone..
Is setContentIntent(PendingIntent) required in NotificationCompat.Builder? http://stackoverflow.com/questions/20032249/is-setcontentintentpendingintent-required-in-notificationcompat-builder pi .build But is this really needed Is all this situation another Android docs bug Is it API dependent NB my target SGK is 17 and running this on a 2.3.7 phone android android notifications share improve this question If..
Animation for expandableListView http://stackoverflow.com/questions/2385567/animation-for-expandablelistview
Android Emulator won't run application started from eclipse http://stackoverflow.com/questions/2793956/android-emulator-wont-run-application-started-from-eclipse Problem is only with the emulator. All works fine if physically connecting a device with USB debugging turned on. NB This suddenly started happening for no apparent reason. All used to work fine. I've tried uninstalling and reinstalling.. but the apk isn't installed. So you need to go back to Windows Task Manager and once again kill the adb.exe process. NB I find that adb.exe doesn't reappear in the Task Manager unless I restart Eclipse so after closing an emulator you have..
Which audio format can be recorded and played back by iPhone and Android? http://stackoverflow.com/questions/5083958/which-audio-format-can-be-recorded-and-played-back-by-iphone-and-android iPhone devices and can handle the Android 2.3.3 limitation. Otherwise just pick from the list for widest coverage AMR NB on Android or plan on converting the recorded audio to a suitable format. A quick check shows that AMR is patented and I..
Android post picture to Facebook wall http://stackoverflow.com/questions/5168145/android-post-picture-to-facebook-wall null params POST new SampleUploadListener null The Toast shows 8733 which means the byte array isn't empty NB. Logcat output some warnings not errors 03 02 14 19 29.554 WARN Bundle 1891 Attempt to cast generated internal exception..
iOS / Android cross platform development [duplicate] http://stackoverflow.com/questions/6171128/ios-android-cross-platform-development it suits 2D games and apps with complex logic. The framework supports 2D graphics and includes a 2D physics engine. NB Today we announced that Particle Code has been acquired by Appcelerator makers of the Titanium cross platform framework...
switch back/front camera on fly http://stackoverflow.com/questions/6599454/switch-back-front-camera-on-fly new View.OnClickListener @Override public void onClick View v if inPreview camera.stopPreview NB if you don't release the current camera before switching you app will crash camera.release swap the id of the camera to..
What does Bitmap#recycle() in Android Honeycomb actually DO? http://stackoverflow.com/questions/7852943/what-does-bitmaprecycle-in-android-honeycomb-actually-do or will the system hold on to the memory ”even if you call System.gc ”until it feels the need to get rid of something NB I know Bitmap s aren't actually held in the regular heap but I thought calling recycle was enough to ensure they were dropped..
Runtime.exec() bug: hangs without providing a Process object http://stackoverflow.com/questions/8688382/runtime-exec-bug-hangs-without-providing-a-process-object
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