2014/10/16 上午 08:18:40

android Programming Glossary: math.pow

How to maintain multi layers of ImageViews and keep their aspect ratio based on the largest one?

http://stackoverflow.com/questions/16729169/how-to-maintain-multi-layers-of-imageviews-and-keep-their-aspect-ratio-based-on

getInterpolation float input float output float Math.sin Math.pow input 2.5f 12 Math.PI return 1 input output a.setInterpolator..

TileProvider method getTile - need to translate x and y to lat/long

http://stackoverflow.com/questions/16883997/tileprovider-method-gettile-need-to-translate-x-and-y-to-lat-long

share improve this question This worked for me double n Math.pow 2 zoom double longitudeMin x n 360 180 double lat_rad Math.atan..

Is there a way to determine android physical screen height in cm or inches?

http://stackoverflow.com/questions/2193457/is-there-a-way-to-determine-android-physical-screen-height-in-cm-or-inches

.getDefaultDisplay .getMetrics dm double x Math.pow dm.widthPixels dm.xdpi 2 double y Math.pow dm.heightPixels dm.ydpi.. dm double x Math.pow dm.widthPixels dm.xdpi 2 double y Math.pow dm.heightPixels dm.ydpi 2 double screenInches Math.sqrt x y..

BitmapFactory.decodeStream returning null when options are set

http://stackoverflow.com/questions/2503628/bitmapfactory-decodestream-returning-null-when-options-are-set

options.outWidth TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual.. options.outWidth TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual..

Possibility of a Curved Gallery

http://stackoverflow.com/questions/3732739/possibility-of-a-curved-gallery

2 int newtop int ellipseYOffset Math.sqrt ellipseMinor2 1 Math.pow adjustedXOrigin 2 ellipseMajor2 newtop child.getHeight 2 if.. int newtop int mEllipseYOffset Math.sqrt mEllipseMinor2 1 Math.pow adjustedXOrigin 2 mEllipseMajor2 newtop childHeight 1 if newtop.. INITIAL_MINOR_RATIO 0.5f mEllipseMajor2 int Math.pow mEllipseMajor 2 mEllipseMinor2 int Math.pow mEllipseMinor 2..

BitmapFactory.decodeStream returns null without exception

http://stackoverflow.com/questions/4414839/bitmapfactory-decodestream-returns-null-without-exception

int scale 1 if o.outWidth REQUIRED_SIZE scale int Math.pow 2 int Math.round Math.log REQUIRED_SIZE double Math.max o.outHeight..

android maps circle overlay, dynamically change radius?

http://stackoverflow.com/questions/5722490/android-maps-circle-overlay-dynamically-change-radius

.toPixels point null float radius float Math.pow 2 mapView.getZoomLevel 10 if radius canvas.getHeight 25 radius..

Moving an image using Accelerometer of android

http://stackoverflow.com/questions/6457768/moving-an-image-using-accelerometer-of-android

were calculating originally here were over 10000 x int Math.pow sensorEvent.values 1 2 y int Math.pow sensorEvent.values 2.. over 10000 x int Math.pow sensorEvent.values 1 2 y int Math.pow sensorEvent.values 2 2 if sensorEvent.sensor.getType Sensor.TYPE_ORIENTATION..

How to get screen size of device? [duplicate]

http://stackoverflow.com/questions/6589101/how-to-get-screen-size-of-device

Android OpenGL 3D picking

http://stackoverflow.com/questions/6699387/android-opengl-3d-picking

diffZ nearCoords 2 farCoords 2 double rayLength Math.sqrt Math.pow diffX 2 Math.pow diffY 2 Math.pow diffZ 2 System.out.println.. 2 farCoords 2 double rayLength Math.sqrt Math.pow diffX 2 Math.pow diffY 2 Math.pow diffZ 2 System.out.println rayLength rayLength.. rayLength Math.sqrt Math.pow diffX 2 Math.pow diffY 2 Math.pow diffZ 2 System.out.println rayLength rayLength pickPointTrigger..

How to store image retreived from url in a SQLite database?

http://stackoverflow.com/questions/6815355/how-to-store-image-retreived-from-url-in-a-sqlite-database

offset Formula 1 2 ^ offset return Math.max 0 1.0f float Math.pow 2 Math.abs offset EDIT Set the imageAdapter to load images..

How to implement Image Gallery in Gridview in android?

http://stackoverflow.com/questions/6855399/how-to-implement-image-gallery-in-gridview-in-android

100 options.outWidth 100 options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual..

Android: How To: mark the current location into a map (still image) - SOURCE CODE,TESTCASE,ACTUAL,EXPECTED OUTPUT ADDED

http://stackoverflow.com/questions/7072400/android-how-to-mark-the-current-location-into-a-map-still-image-source-cod

byte zoom return long Math.min Math.max pixelX TILE_SIZE 0 Math.pow 2 zoom 1 Converts a pixel Y coordinate at a certain zoom level.. byte zoom return long Math.min Math.max pixelY TILE_SIZE 0 Math.pow 2 zoom 1 private static final byte ZOOM_LEVEL 14 @param args..

How to maintain multi layers of ImageViews and keep their aspect ratio based on the largest one?

http://stackoverflow.com/questions/16729169/how-to-maintain-multi-layers-of-imageviews-and-keep-their-aspect-ratio-based-on

3000 i new Interpolator @Override public float getInterpolation float input float output float Math.sin Math.pow input 2.5f 12 Math.PI return 1 input output a.setInterpolator i layer1.startLayerAnimation a a new AlphaAnimation 0..

TileProvider method getTile - need to translate x and y to lat/long

http://stackoverflow.com/questions/16883997/tileprovider-method-gettile-need-to-translate-x-and-y-to-lat-long

google maps google maps android api 2 android maps v2 share improve this question This worked for me double n Math.pow 2 zoom double longitudeMin x n 360 180 double lat_rad Math.atan Math.sinh Math.PI 1 2 y n double latitudeMin lat_rad 180..

Is there a way to determine android physical screen height in cm or inches?

http://stackoverflow.com/questions/2193457/is-there-a-way-to-determine-android-physical-screen-height-in-cm-or-inches

Use the following DisplayMetrics dm new DisplayMetrics getWindowManager .getDefaultDisplay .getMetrics dm double x Math.pow dm.widthPixels dm.xdpi 2 double y Math.pow dm.heightPixels dm.ydpi 2 double screenInches Math.sqrt x y Log.d debug Screen.. DisplayMetrics getWindowManager .getDefaultDisplay .getMetrics dm double x Math.pow dm.widthPixels dm.xdpi 2 double y Math.pow dm.heightPixels dm.ydpi 2 double screenInches Math.sqrt x y Log.d debug Screen inches screenInches share improve this..

BitmapFactory.decodeStream returning null when options are set

http://stackoverflow.com/questions/2503628/bitmapfactory-decodestream-returning-null-when-options-are-set

double sampleSize scaleByHeight options.outHeight TARGET_HEIGHT options.outWidth TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds false Bitmap img BitmapFactory.decodeStream.. sampleSize scaleByHeight options.outHeight TARGET_HEIGHT options.outWidth TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds false is.close is getHTTPConnectionInputStream..

Possibility of a Curved Gallery

http://stackoverflow.com/questions/3732739/possibility-of-a-curved-gallery

int adjustedXOrigin left getWidth 2 child.getWidth 2 int newtop int ellipseYOffset Math.sqrt ellipseMinor2 1 Math.pow adjustedXOrigin 2 ellipseMajor2 newtop child.getHeight 2 if newtop 0 child.layout left newtop left child.getWidth newtop.. child.getHeight int adjustedXOrigin left mXOff childWidth 1 int newtop int mEllipseYOffset Math.sqrt mEllipseMinor2 1 Math.pow adjustedXOrigin 2 mEllipseMajor2 newtop childHeight 1 if newtop 0 child.layout left newtop left childWidth newtop childHeight.. INITIAL_MAJOR_RATIO 0.5f mEllipseMinor int getMeasuredHeight INITIAL_MINOR_RATIO 0.5f mEllipseMajor2 int Math.pow mEllipseMajor 2 mEllipseMinor2 int Math.pow mEllipseMinor 2 mEllipseYOffset getMeasuredHeight mEllipseMinor getMeasuredHeight..

BitmapFactory.decodeStream returns null without exception

http://stackoverflow.com/questions/4414839/bitmapfactory-decodestream-returns-null-without-exception

Decode image size BitmapFactory.Options o new BitmapFactory.Options int scale 1 if o.outWidth REQUIRED_SIZE scale int Math.pow 2 int Math.round Math.log REQUIRED_SIZE double Math.max o.outHeight o.outWidth Math.log 0.5 Log.i Prototype.TAG scale scale..

android maps circle overlay, dynamically change radius?

http://stackoverflow.com/questions/5722490/android-maps-circle-overlay-dynamically-change-radius

Canvas canvas MapView mapView boolean shadow Point pt mapView.getProjection .toPixels point null float radius float Math.pow 2 mapView.getZoomLevel 10 if radius canvas.getHeight 25 radius canvas.getHeight 25 canvas.drawCircle pt.x pt.y radius paint2..

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 1 2 y int Math.pow sensorEvent.values 2 2 if sensorEvent.sensor.getType Sensor.TYPE_ORIENTATION I've.. 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 Sensor.TYPE_ORIENTATION I've chosen to not implement this method..

How to get screen size of device? [duplicate]

http://stackoverflow.com/questions/6589101/how-to-get-screen-size-of-device

your needs. In inches DisplayMetrics dm new DisplayMetrics getWindowManager .getDefaultDisplay .getMetrics dm double x Math.pow dm.widthPixels dm.xdpi 2 double y Math.pow dm.heightPixels dm.ydpi 2 double screenInches Math.sqrt x y Log.d debug Screen.. DisplayMetrics getWindowManager .getDefaultDisplay .getMetrics dm double x Math.pow dm.widthPixels dm.xdpi 2 double y Math.pow dm.heightPixels dm.ydpi 2 double screenInches Math.sqrt x y Log.d debug Screen inches screenInches share improve this..

Android OpenGL 3D picking

http://stackoverflow.com/questions/6699387/android-opengl-3d-picking

0 farCoords 0 double diffY nearCoords 1 farCoords 1 double diffZ nearCoords 2 farCoords 2 double rayLength Math.sqrt Math.pow diffX 2 Math.pow diffY 2 Math.pow diffZ 2 System.out.println rayLength rayLength pickPointTrigger false Changing the persepctive.. diffY nearCoords 1 farCoords 1 double diffZ nearCoords 2 farCoords 2 double rayLength Math.sqrt Math.pow diffX 2 Math.pow diffY 2 Math.pow diffZ 2 System.out.println rayLength rayLength pickPointTrigger false Changing the persepctive zNear and.. 1 farCoords 1 double diffZ nearCoords 2 farCoords 2 double rayLength Math.sqrt Math.pow diffX 2 Math.pow diffY 2 Math.pow diffZ 2 System.out.println rayLength rayLength pickPointTrigger false Changing the persepctive zNear and Far doesn't have..

How to store image retreived from url in a SQLite database?

http://stackoverflow.com/questions/6815355/how-to-store-image-retreived-from-url-in-a-sqlite-database

to the center. public float getScale boolean focused int offset Formula 1 2 ^ offset return Math.max 0 1.0f float Math.pow 2 Math.abs offset EDIT Set the imageAdapter to load images in Gallery Gallery findViewById R.id.gallery .setAdapter..

How to implement Image Gallery in Gridview in android?

http://stackoverflow.com/questions/6855399/how-to-implement-image-gallery-in-gridview-in-android

dimensions double sampleSize scaleByHeight options.outHeight 100 options.outWidth 100 options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds false options.inTempStorage..

Android: How To: mark the current location into a map (still image) - SOURCE CODE,TESTCASE,ACTUAL,EXPECTED OUTPUT ADDED

http://stackoverflow.com/questions/7072400/android-how-to-mark-the-current-location-into-a-map-still-image-source-cod

the tile X number. static long pixelXToTileX double pixelX byte zoom return long Math.min Math.max pixelX TILE_SIZE 0 Math.pow 2 zoom 1 Converts a pixel Y coordinate at a certain zoom level to a latitude coordinate. @param pixelY the pixel Y coordinate.. the tile Y number. static long pixelYToTileY double pixelY byte zoom return long Math.min Math.max pixelY TILE_SIZE 0 Math.pow 2 zoom 1 private static final byte ZOOM_LEVEL 14 @param args public static void main String args Pixel Coordinate of Chicago..