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2014/10/16 ¤W¤È 08:13:42
android Programming Glossary: formulaApplication Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen says px Device's width 720 dpi Device's density 320 formula given px dp dpi 160 interchanging formula because we have px's.. density 320 formula given px dp dpi 160 interchanging formula because we have px's value dp px dpi 160 now putting value dp..
What is the correct way to specify dimensions in DIP from Java code? http://stackoverflow.com/questions/2238883/what-is-the-correct-way-to-specify-dimensions-in-dip-from-java-code class but is this a correct way May I rely on this formula being always correct pixels DisplayMetrics.density dip Is there..
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 of the point that the user taps on. I'm using the formula outlined in this forum How to get angle between two points It..
How do I get preferences to work in Android? http://stackoverflow.com/questions/3011604/how-do-i-get-preferences-to-work-in-android Here's the setup It's a BAC calculator drink counter A formula is used to calculate the BAC. Here's the forumla Bac StandardDrinks.. gotten. I can click a value sure but it doesn't change the formula because it's not linked with the doubles I created in DrinkingBuddy.java...
Android - SQlite Getting nearest locations (with latitude and longitude) http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude SQLite needs a custom external function for the Haversine formula calculating distance on a sphere but I haven't found nothing..
Calculate compass bearing / heading to location in Android http://stackoverflow.com/questions/4308262/calculate-compass-bearing-heading-to-location-in-android I'm missing the last step from these two values a b what formula do I use to get the direction in which the phone is pointing.. you've compensated for the declination you can use the formula below to get the desired result heading myBearing myBearing..
Creating Custom Overlay on the map http://stackoverflow.com/questions/4428730/creating-custom-overlay-on-the-map requires the use of bearing too and has some specific formula. Let me know if you have any questions regarding this. share..
Android: how to check how much memory is remaining? http://stackoverflow.com/questions/6073744/android-how-to-check-how-much-memory-is-remaining how to check how much memory is remaining Below is my formula to check how much memory is remaining not how much memory remains..
Android image view matrix scale + translate http://stackoverflow.com/questions/6075363/android-image-view-matrix-scale-translate but I will need to do it later so I need to figure out the formula now . I thought doing the following would correct the issue..
Android Convert Px to Dp (Video Aspect Ratio) [duplicate] http://stackoverflow.com/questions/6656540/android-convert-px-to-dp-video-aspect-ratio in android I'm trying to convert pixels to dp. What is the formula Lets convert 640 and 480 into dp. The docs say this The conversion..
Android Bitmap/Canvas offset after scale http://stackoverflow.com/questions/6835224/android-bitmap-canvas-offset-after-scale improve this question Ok lets try to work out the best formula for this canvas.scale scaleX scaleY pivotX pivotY if scaleX..
How do I convert ppi into dpi for Android images? http://stackoverflow.com/questions/6930031/how-do-i-convert-ppi-into-dpi-for-android-images between the two but never ended up with any proper formula. I know that the Android documentation describes the relation..
Android TYPE_LINEAR_ACCELERATION sensor - what does it show? http://stackoverflow.com/questions/7858759/android-type-linear-acceleration-sensor-what-does-it-show type to TYPE_ACCELEROMETER calibrating and using same formula to calculate speed i get good results much close to reality...
How to practically display math formula in Android http://stackoverflow.com/questions/8359032/how-to-practically-display-math-formula-in-android to practically display math formula in Android I researched on this for quite a while and I know.. a right answer showing how to practically deal with math formula in Android app. Without including large amount 5~20MB of files.. it seems that there is no way to parse display math formula script like MATHML. I looked at JEuclid and MathJax that were..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen want to support your layout or drawable to S3 then the calculation says px Device's width 720 dpi Device's density 320 formula given px dp dpi 160 interchanging formula because we have px's value dp px dpi 160 now putting value dp 720 320 160 dp 360... S3 then the calculation says px Device's width 720 dpi Device's density 320 formula given px dp dpi 160 interchanging formula because we have px's value dp px dpi 160 now putting value dp 720 320 160 dp 360. so drawable sw360dp will do the job Get..
What is the correct way to specify dimensions in DIP from Java code? http://stackoverflow.com/questions/2238883/what-is-the-correct-way-to-specify-dimensions-in-dip-from-java-code I figured that I have to use property density of DisplayMetrics class but is this a correct way May I rely on this formula being always correct pixels DisplayMetrics.density dip Is there a utility function for the conversion somewhere in Android..
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 represent the center of the screen and I can get the coordinates of the point that the user taps on. I'm using the formula outlined in this forum How to get angle between two points It says as follows If you want the the angle between the line..
How do I get preferences to work in Android? http://stackoverflow.com/questions/3011604/how-do-i-get-preferences-to-work-in-android taken me longer than a couple days of searching to figure out. Here's the setup It's a BAC calculator drink counter A formula is used to calculate the BAC. Here's the forumla Bac StandardDrinks 2 GenderConstant Weight 0.017 Hours So as you can see.. item 270 item string array This is basically as far as I've gotten. I can click a value sure but it doesn't change the formula because it's not linked with the doubles I created in DrinkingBuddy.java. All of the stuff displayed in the settings are..
Android - SQlite Getting nearest locations (with latitude and longitude) http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude is possible 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..
Calculate compass bearing / heading to location in Android http://stackoverflow.com/questions/4308262/calculate-compass-bearing-heading-to-location-in-android location by using myLocation.bearingTo destLocation I'm missing the last step from these two values a b what formula do I use to get the direction in which the phone is pointing relative to the destination location Appreciate any help for.. of your destination in degrees east of true north. So after you've compensated for the declination you can use the formula below to get the desired result heading myBearing myBearing heading You'll then want to convert from degrees east of true..
Creating Custom Overlay on the map http://stackoverflow.com/questions/4428730/creating-custom-overlay-on-the-map
Android: how to check how much memory is remaining? http://stackoverflow.com/questions/6073744/android-how-to-check-how-much-memory-is-remaining how to check how much memory is remaining Below is my formula to check how much memory is remaining not how much memory remains in the current heap but how much more memory may be utilized..
Android image view matrix scale + translate http://stackoverflow.com/questions/6075363/android-image-view-matrix-scale-translate code works if I don't center the scale on the image center but I will need to do it later so I need to figure out the formula now . I thought doing the following would correct the issue but the image is still offset towards bottom and right . tx..
Android Convert Px to Dp (Video Aspect Ratio) [duplicate] http://stackoverflow.com/questions/6656540/android-convert-px-to-dp-video-aspect-ratio Ratio duplicate Possible Duplicate converting pixels to dp in android I'm trying to convert pixels to dp. What is the formula Lets convert 640 and 480 into dp. The docs say this The conversion of dp units to screen pixels is simple px dp dpi 160..
Android Bitmap/Canvas offset after scale http://stackoverflow.com/questions/6835224/android-bitmap-canvas-offset-after-scale newbie here... java android graphics android canvas share improve this question Ok lets try to work out the best formula for this canvas.scale scaleX scaleY pivotX pivotY if scaleX 1 objectNewX objectOldX objectOldX pivotX scaleX 1 else objectNewX..
How do I convert ppi into dpi for Android images? http://stackoverflow.com/questions/6930031/how-do-i-convert-ppi-into-dpi-for-android-images images set in dpi. I have searched the web for the conversion between the two but never ended up with any proper formula. I know that the Android documentation describes the relation as px dp dpi 160 . But my problem is that if I know dpi where..
Android TYPE_LINEAR_ACCELERATION sensor - what does it show? http://stackoverflow.com/questions/7858759/android-type-linear-acceleration-sensor-what-does-it-show little speed three times less than real speed. Changing Sensor type to TYPE_ACCELEROMETER calibrating and using same formula to calculate speed i get good results much close to reality. So the question is what Sensor.TYPE_LINEAR_ACCELERATION really..
How to practically display math formula in Android http://stackoverflow.com/questions/8359032/how-to-practically-display-math-formula-in-android to practically display math formula in Android I researched on this for quite a while and I know this kind of questions already answered. But I couldn't find.. this kind of questions already answered. But I couldn't find a right answer showing how to practically deal with math formula in Android app. Without including large amount 5~20MB of files in the Android project it seems that there is no way to parse.. including large amount 5~20MB of files in the Android project it seems that there is no way to parse display math formula script like MATHML. I looked at JEuclid and MathJax that were mentioned a lot for Android but I found them in this category...
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