¡@
2014/10/16 ¤W¤È 08:10:59
android Programming Glossary: calculatingFill remaining space with fixed aspect ratio surfaceview http://stackoverflow.com/questions/10510371/fill-remaining-space-with-fixed-aspect-ratio-surfaceview during every pass of onMeasure and so I could end up calculating my aspect ratio as desired given the available area. Haven't..
How can I print an image on a Bluetooth printer in Android? http://stackoverflow.com/questions/14530058/how-can-i-print-an-image-on-a-bluetooth-printer-in-android pixel take conversion up to one single value by calculating pixel intensity. R G B int 0.299 R 0.587 G 0.114 B set bit.. R G B int 0.299 R 0.587 G 0.114 B set bit into bitset by calculating the pixel's luma if R 55 dots.set k this is the bitset that..
How to make grid view scroll horizontally not vertically in android? http://stackoverflow.com/questions/15919060/how-to-make-grid-view-scroll-horizontally-not-vertically-in-android share improve this question What about dynamically calculating the number of columns of the GridView and using setNumColumns..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch the last couple of days I've come up with my own way of calculating the azimuth value for use in a compass. I've put that maths..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application you display keep f constant for both X and Y ie instead of calculating X x z w 2 tan α and Y y z h 2 tan α ... do X x z min w h 2 tan..
How can I update information in an Android Activity from a background Service http://stackoverflow.com/questions/2468874/how-can-i-update-information-in-an-android-activity-from-a-background-service starts I plan to start a Service that will be constantly calculating the data it will be changing and I want the ActivityList to.. to be in sync with the data that the service is calculating for the life of the app. How can I set up my Activity to be.. and need to be in sync with the in my case Service that is calculating fetching the data constantly. Thanks in advance java android..
Android - SQlite Getting nearest locations (with latitude and longitude) http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude needs a custom external function for the Haversine formula calculating distance on a sphere but I haven't found nothing yet that is..
Android: how to check if a View inside of ScrollView is visible? http://stackoverflow.com/questions/4628800/android-how-to-check-if-a-view-inside-of-scrollview-is-visible can use View#getDrawingRect on the ScrollView instead of calculating explicitly. Code from View#getDrawingRect public void getDrawingRect..
HorizontalScrollView: auto-scroll to end when new Views are added? http://stackoverflow.com/questions/4720469/horizontalscrollview-auto-scroll-to-end-when-new-views-are-added the last view. It seems like it's scrolling without first calculating the inclusion of the new view. In my app I am using a custom..
Limit height of ListView on Android http://stackoverflow.com/questions/5487552/limit-height-of-listview-on-android Any ideas apart from using setHeight method and some calculating of the required space Thanks for your time jellyfish Edit I..
Pixel-Perfect Collision Detection Android http://stackoverflow.com/questions/5914911/pixel-perfect-collision-detection-android could minimize the number of pixels you need to check by calculating the rectangular area in which the two bounding boxes overlap...
Moving an image using Accelerometer of android http://stackoverflow.com/questions/6457768/moving-an-image-using-accelerometer-of-android Sensor.TYPE_ACCELEROMETER the values you were calculating originally here were over 10000 x int Math.pow sensorEvent.values..
http://stackoverflow.com/questions/7156752/multiple-screen-resolution on a device having resolution 320 x 480 what i'm doing is calculating how much area my layout is covering in terms of percentage and.. int widthInPercentage deviceWidth 100 here i'm calculating the new width for my layout according to the screen resolution..
Android TYPE_LINEAR_ACCELERATION sensor - what does it show? http://stackoverflow.com/questions/7858759/android-type-linear-acceleration-sensor-what-does-it-show changing logging accelerometer data for specified time and calculating move parameters one of them car speed at the end of test. It.. It works OK but when i analyze data dump calculating speed like V V0 AT where V0 0 at first then speed of interval..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations show them in listview. I know that there is a method for calculating distance as public static void distanceBetween double startLatitude..
How can I make a cell in a ListView in Android expand and contract vertically when it's touched? http://stackoverflow.com/questions/12522348/how-can-i-make-a-cell-in-a-listview-in-android-expand-and-contract-vertically-wh interpolatedTime t if interpolatedTime 1.0f Calculating the new bottom margin and setting it mViewLayoutParams.bottomMargin..
Bitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled given in the explanation of docs. Calculating how much we need to scale the image First way if imageHeight..
Calculating distance using Linear acceleration android [duplicate] http://stackoverflow.com/questions/12926459/calculating-distance-using-linear-acceleration-android distance using Linear acceleration android duplicate Possible..
Which programming languages can I use on Android Dalvik? http://stackoverflow.com/questions/1994703/which-programming-languages-can-i-use-on-android-dalvik which describes regarding Frink Programming language and Calculating Tool for Android refer this links Link 1 Link 2 On 4 Aug 2010..
Calculating the angle between the line defined by two points http://stackoverflow.com/questions/2676719/calculating-the-angle-between-the-line-defined-by-two-points the angle between the line defined by two points I'm currently..
Which programming languages can be used to develop in Android? [duplicate] http://stackoverflow.com/questions/3316801/which-programming-languages-can-be-used-to-develop-in-android which describes regarding Frink Programming language and Calculating Tool for Android refer this links Link 1 Link 2 On 4 Aug 2010..
How to calculate distance between two locations using their longitude and latitude value http://stackoverflow.com/questions/6981916/how-to-calculate-distance-between-two-locations-using-their-longitude-and-latitu onStatusChanged String provider int status Bundle extras Calculating distance double earthRadius 3958.75 double dLat Math.toRadians..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations distance between two geographic locations please shed some..
Fill remaining space with fixed aspect ratio surfaceview http://stackoverflow.com/questions/10510371/fill-remaining-space-with-fixed-aspect-ratio-surfaceview AT_MOST . This means I was free to change the width and height during every pass of onMeasure and so I could end up calculating my aspect ratio as desired given the available area. Haven't confirmed yet that this works for all cases but hopefully this..
How can I print an image on a Bluetooth printer in Android? http://stackoverflow.com/questions/14530058/how-can-i-print-an-image-on-a-bluetooth-printer-in-android of all channels R Color.red pixel G Color.green pixel B Color.blue pixel take conversion up to one single value by calculating pixel intensity. R G B int 0.299 R 0.587 G 0.114 B set bit into bitset by calculating the pixel's luma if R 55 dots.set.. up to one single value by calculating pixel intensity. R G B int 0.299 R 0.587 G 0.114 B set bit into bitset by calculating the pixel's luma if R 55 dots.set k this is the bitset that i'm printing k catch Exception e TODO handle exception..
How to make grid view scroll horizontally not vertically in android? http://stackoverflow.com/questions/15919060/how-to-make-grid-view-scroll-horizontally-not-vertically-in-android some solution for this. android grid horizontal scrolling share improve this question What about dynamically calculating the number of columns of the GridView and using setNumColumns int method to set it Then you can set a fixed height for the..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch I need a good answer for an app that I'm working on. So over the last couple of days I've come up with my own way of calculating the azimuth value for use in a compass. I've put that maths that I'm using here on math.stackexchange.com and I've pasted..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application If you want to preserve the ratio of the elements you display keep f constant for both X and Y ie instead of calculating X x z w 2 tan α and Y y z h 2 tan α ... do X x z min w h 2 tan α and Y y z min w h 2 tan α Note when I said that the display..
How can I update information in an Android Activity from a background Service http://stackoverflow.com/questions/2468874/how-can-i-update-information-in-an-android-activity-from-a-background-service that has a ActivityList of information when the application starts I plan to start a Service that will be constantly calculating the data it will be changing and I want the ActivityList to be in sync with the data that the service is calculating for.. calculating the data it will be changing and I want the ActivityList to be in sync with the data that the service is calculating for the life of the app. How can I set up my Activity to be listening to the Service Is this the best way to approach this.. of stock prices the data would be being changed regularly and need to be in sync with the in my case Service that is calculating fetching the data constantly. Thanks in advance java android android listview observer pattern share improve this question..
Android - SQlite Getting nearest locations (with latitude and longitude) http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude in MySql and I've done quite some research that SQLite needs a custom external function for the Haversine formula calculating distance on a sphere but I haven't found nothing yet that is written in Java and is functioning. Also if I want to add custom..
Android: how to check if a View inside of ScrollView is visible? http://stackoverflow.com/questions/4628800/android-how-to-check-if-a-view-inside-of-scrollview-is-visible of View#getDrawingRect on the view you're testing. You can use View#getDrawingRect on the ScrollView instead of calculating explicitly. Code from View#getDrawingRect public void getDrawingRect Rect outRect outRect.left mScrollX outRect.top mScrollY..
HorizontalScrollView: auto-scroll to end when new Views are added? http://stackoverflow.com/questions/4720469/horizontalscrollview-auto-scroll-to-end-when-new-views-are-added it working except that it always scrolls one view short of the last view. It seems like it's scrolling without first calculating the inclusion of the new view. In my app I am using a custom View object but I made a small test application that uses ImageView..
Limit height of ListView on Android http://stackoverflow.com/questions/5487552/limit-height-of-listview-on-android but I don't want my button to cling to the bottom of the screen. Any ideas apart from using setHeight method and some calculating of the required space Thanks for your time jellyfish Edit I got a lot of useful answers thanks to all of you bigstone's..
Pixel-Perfect Collision Detection Android http://stackoverflow.com/questions/5914911/pixel-perfect-collision-detection-android compare each pixel of the bitmasks for the two objects. You could minimize the number of pixels you need to check by calculating the rectangular area in which the two bounding boxes overlap. The pixels within this area are what you need to check. Iterate..
Moving an image using Accelerometer of android http://stackoverflow.com/questions/6457768/moving-an-image-using-accelerometer-of-android onSensorChanged SensorEvent sensorEvent if sensorEvent.sensor.getType Sensor.TYPE_ACCELEROMETER the values you were calculating originally here were over 10000 x int Math.pow sensorEvent.values 1 2 y int Math.pow sensorEvent.values 2 2 if sensorEvent.sensor.getType..
http://stackoverflow.com/questions/7156752/multiple-screen-resolution screen on which i'm developing i know currently i'm testing on a device having resolution 320 x 480 what i'm doing is calculating how much area my layout is covering in terms of percentage and then int mLayoutWidth int widthInPercentage deviceWidth 100.. my layout is covering in terms of percentage and then int mLayoutWidth int widthInPercentage deviceWidth 100 here i'm calculating the new width for my layout according to the screen resolution and by this way your Views Layouts will look exactly the..
Android TYPE_LINEAR_ACCELERATION sensor - what does it show? http://stackoverflow.com/questions/7858759/android-type-linear-acceleration-sensor-what-does-it-show before start than considering phone's orientation is not changing logging accelerometer data for specified time and calculating move parameters one of them car speed at the end of test. It works almost good on strait horizontal road few percent mistake... Sensor.TYPE_LINEAR_ACCELERATION SensorManager.SENSOR_DELAY_GAME It works OK but when i analyze data dump calculating speed like V V0 AT where V0 0 at first then speed of interval before this A acceleration SQRT x x y y z z t time of interval..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations distance between user location and nearby places and want to show them in listview. I know that there is a method for calculating distance as public static void distanceBetween double startLatitude double startLongitude double endLatitude double endLongitude..
How can I make a cell in a ListView in Android expand and contract vertically when it's touched? http://stackoverflow.com/questions/12522348/how-can-i-make-a-cell-in-a-listview-in-android-expand-and-contract-vertically-wh float interpolatedTime Transformation t super.applyTransformation interpolatedTime t if interpolatedTime 1.0f Calculating the new bottom margin and setting it mViewLayoutParams.bottomMargin mMarginStart int mMarginEnd mMarginStart interpolatedTime..
Bitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled device and scale it using calculateInSampleSize and decodeSampledBitmapFromResource given in the explanation of docs. Calculating how much we need to scale the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize..
Calculating distance using Linear acceleration android [duplicate] http://stackoverflow.com/questions/12926459/calculating-distance-using-linear-acceleration-android distance using Linear acceleration android duplicate Possible Duplicate Android accelerometer accuracy Inertial navigation..
Which programming languages can I use on Android Dalvik? http://stackoverflow.com/questions/1994703/which-programming-languages-can-i-use-on-android-dalvik this refer this . Just now 2 Aug 2010 i have read an article which describes regarding Frink Programming language and Calculating Tool for Android refer this links Link 1 Link 2 On 4 Aug 2010 i have found Regarding RenderScript . Basically It is said..
Calculating the angle between the line defined by two points http://stackoverflow.com/questions/2676719/calculating-the-angle-between-the-line-defined-by-two-points the angle between the line defined by two points I'm currently developing a simple 2D game for Android. I have a stationary..
Which programming languages can be used to develop in Android? [duplicate] http://stackoverflow.com/questions/3316801/which-programming-languages-can-be-used-to-develop-in-android this refer this . Just now 2 Aug 2010 i have read an article which describes regarding Frink Programming language and Calculating Tool for Android refer this links Link 1 Link 2 On 4 Aug 2010 i have found Regarding RenderScript . Basically It is said..
How to calculate distance between two locations using their longitude and latitude value http://stackoverflow.com/questions/6981916/how-to-calculate-distance-between-two-locations-using-their-longitude-and-latitu onProviderEnabled String provider @Override public void onStatusChanged String provider int status Bundle extras Calculating distance double earthRadius 3958.75 double dLat Math.toRadians lat1 lat2 double dLng Math.toRadians lng1 lng2 double..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations distance between two geographic locations please shed some light on this situation Right now i have two array having latitude..
|