android Programming Glossary: wikipedia
Gyroscope Issues with Device Orientation http://stackoverflow.com/questions/14310347/gyroscope-issues-with-device-orientation 90 degrees rotation matrix. Such a matrix can be found on Wikipedia Three dimensional rotation matrices Since your angle is 90 degrees..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application screenpoint android share improve this question The Wikipedia article also confused me when I read it some time ago. Here.. X x z w 2 tan α If we go back to the notation used in the Wikipedia article our equation is equivalent to b_x d_x d_z r_z You can..
What does the filter parameter to createScaledBitmap do? http://stackoverflow.com/questions/2895065/what-does-the-filter-parameter-to-createscaledbitmap-do it to do a straightforward bilinear interpolation. Check Wikipedia or your favorite graphics reference to see what the expected..
Android PDF reader from scratch http://stackoverflow.com/questions/2947517/android-pdf-reader-from-scratch SourceForge or Google Code you could have a look at. This Wikipedia section has a list of multi platform development libraries which..
best practice for specifying pronunciation for Android TTS engine? http://stackoverflow.com/questions/3495301/best-practice-for-specifying-pronunciation-for-android-tts-engine
how to do XML parsing in android? http://stackoverflow.com/questions/4213876/how-to-do-xml-parsing-in-android For an introduction to XML why not start by reading the Wikipedia entry Basically it is a standardized way to put in form some..
android color between two colors, based on percentage? http://stackoverflow.com/questions/4414673/android-color-between-two-colors-based-on-percentage wrong in the calculation The constants are taken from Wikipedia public class ColorUtils private static class Yuv public float..
Is it safe when compare 2 float/double directly in Java? http://stackoverflow.com/questions/6786254/is-it-safe-when-compare-2-float-double-directly-in-java build up to unmanageable proportions. Take a look at this Wikipedia link for more details. The bottom line is that dealing with..
Android grow heap frag case http://stackoverflow.com/questions/7247049/android-grow-heap-frag-case and freeing you may run into fragmentation problems. Wikipedia has a decent description here but basically means that you might..
How many Activities vs Fragments? http://stackoverflow.com/questions/12363790/how-many-activities-vs-fragments app's logic across many Activities see DRY Principle on wikipedia . I prefer the pattern used by the ActionBarSherlock Fragments..
How to parse Sub JSONArray and display image? http://stackoverflow.com/questions/14701747/how-to-parse-sub-jsonarray-and-display-image turn by itself state good image http upload.wikimedia.org wikipedia commons e e9 Door_Knob_with_Lock_USA.jpg title Special Door..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application I did the perspective projection which is explained in wikipedia. What do I have to do with the result of the perspective projection..
Android compass noise algorithm http://stackoverflow.com/questions/1884699/android-compass-noise-algorithm
Detect network connection type on Android http://stackoverflow.com/questions/2802472/detect-network-connection-type-on-android uses permission Sources for network speeds include wikipedia http 3gstore.com page 78_what_is_evdo_mobile_broadband.html..
Abstracted LCD Density http://stackoverflow.com/questions/4533300/abstracted-lcd-density per inch although the docs don't explicitly say that. The wikipedia article on Pixel density has a helpful section explaining how..
How to create custom text-to-speech engine http://stackoverflow.com/questions/7223680/how-to-create-custom-text-to-speech-engine
Gyroscope Issues with Device Orientation http://stackoverflow.com/questions/14310347/gyroscope-issues-with-device-orientation take your frame of reference matrix and multiply it by a 90 degrees rotation matrix. Such a matrix can be found on Wikipedia Three dimensional rotation matrices Since your angle is 90 degrees your sines and cosines would resolve to 1's or 0's which..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application the result of the perspective projection to get the resulting screenpoint android share improve this question The Wikipedia article also confused me when I read it some time ago. Here is my attempt to explain it differently The Situation Let's.. we get MB CD EM EC X x f z 2 With both 1 and 2 we now have X x z w 2 tan α If we go back to the notation used in the Wikipedia article our equation is equivalent to b_x d_x d_z r_z You can notice we are missing the multiplication by s_x r_x . This..
What does the filter parameter to createScaledBitmap do? http://stackoverflow.com/questions/2895065/what-does-the-filter-parameter-to-createscaledbitmap-do indicates that at least by default the FILTER flag causes it to do a straightforward bilinear interpolation. Check Wikipedia or your favorite graphics reference to see what the expected consequences are. Traditionally you want to do bilinear or..
Android PDF reader from scratch http://stackoverflow.com/questions/2947517/android-pdf-reader-from-scratch is PDFedit which is also an editor but there are loads on SourceForge or Google Code you could have a look at. This Wikipedia section has a list of multi platform development libraries which could help you. There is also a bunch of PDF software much..
best practice for specifying pronunciation for Android TTS engine? http://stackoverflow.com/questions/3495301/best-practice-for-specifying-pronunciation-for-android-tts-engine
how to do XML parsing in android? http://stackoverflow.com/questions/4213876/how-to-do-xml-parsing-in-android thanks android xml parsing share improve this question For an introduction to XML why not start by reading the Wikipedia entry Basically it is a standardized way to put in form some textual data and it is widely used for many various applications..
android color between two colors, based on percentage? http://stackoverflow.com/questions/4414673/android-color-between-two-colors-based-on-percentage ... I'm not so much into color formats Maybe I'm doing something wrong in the calculation The constants are taken from Wikipedia public class ColorUtils private static class Yuv public float y public float u public float v public Yuv int c int r Color.red..
Is it safe when compare 2 float/double directly in Java? http://stackoverflow.com/questions/6786254/is-it-safe-when-compare-2-float-double-directly-in-java of the way that certain calculations cause the errors to build up to unmanageable proportions. Take a look at this Wikipedia link for more details. The bottom line is that dealing with errors in floating point calculations is a lot more difficult..
Android grow heap frag case http://stackoverflow.com/questions/7247049/android-grow-heap-frag-case Grow heap message you see. If you do a lot of memory allocation and freeing you may run into fragmentation problems. Wikipedia has a decent description here but basically means that you might have the required memory available just not all in one..
How many Activities vs Fragments? http://stackoverflow.com/questions/12363790/how-many-activities-vs-fragments I also agree that it is not a good idea to duplicate your app's logic across many Activities see DRY Principle on wikipedia . I prefer the pattern used by the ActionBarSherlock Fragments Demo app download here and source code here . The demo that..
How to parse Sub JSONArray and display image? http://stackoverflow.com/questions/14701747/how-to-parse-sub-jsonarray-and-display-image Value product summary Speak a word and the knob will turn by itself state good image http upload.wikimedia.org wikipedia commons e e9 Door_Knob_with_Lock_USA.jpg title Special Door knob requires no holding just music address address Merchant..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application already asked similar questions but I still need your help. I did the perspective projection which is explained in wikipedia. What do I have to do with the result of the perspective projection to get the resulting screenpoint android share improve..
Android compass noise algorithm http://stackoverflow.com/questions/1884699/android-compass-noise-algorithm
Detect network connection type on Android http://stackoverflow.com/questions/2802472/detect-network-connection-type-on-android
Abstracted LCD Density http://stackoverflow.com/questions/4533300/abstracted-lcd-density The Abstracted LCD Density seems to be measured in dots per inch although the docs don't explicitly say that. The wikipedia article on Pixel density has a helpful section explaining how to calculate this basically the number of pixels per inch..
How to create custom text-to-speech engine http://stackoverflow.com/questions/7223680/how-to-create-custom-text-to-speech-engine
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