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2014/10/16 ¤W¤È 08:19:05
android Programming Glossary: measurementsHow can I get the direction of movement using an accelerometer? http://stackoverflow.com/questions/10476625/how-can-i-get-the-direction-of-movement-using-an-accelerometer direction that often happen when taking accelerometer measurements at such a fine level. You would also need to measure the amount..
Convert magnetic field X, Y, Z values from device into global reference frame http://stackoverflow.com/questions/15315129/convert-magnetic-field-x-y-z-values-from-device-into-global-reference-frame private TextView maximumRange Magnetic field coordinates measurements. private TextView magneticXTextView private TextView magneticYTextView..
How accurate is Android GPS? [closed] http://stackoverflow.com/questions/1567443/how-accurate-is-android-gps is given as a distance along with the percentage of measurements that are within that distance from the true location. A typical.. a hand held GPS device would be something like 30 of your measurements within 50 meters of the true position yes the devices are typically..
How is location accuracy measured in Android? http://stackoverflow.com/questions/3052517/how-is-location-accuracy-measured-in-android Does anyone know the proper interpretation of the accuracy measurements returned by getAccuracy For instance are they calculated as..
Height of status bar in Android http://stackoverflow.com/questions/3407256/height-of-status-bar-in-android of the status bar in Android Is it always the same From my measurements it seems that it's 25dp but I'm not sure if it has the same..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow setMeasuredDimension mW 5 mH 5 The 5 in the measurements are there as temporary From what I understand I'll need to do..
http://stackoverflow.com/questions/3921138/gesture-in-listview-android As paiego pointed out it's better to use density aware measurements. DisplayMetrics dm getResources .getDisplayMetrics REL_SWIPE_MIN_DISTANCE..
How do you to retrieve dimensions of a view? Getheight() and Getwidth() always return zero http://stackoverflow.com/questions/4142090/how-do-you-to-retrieve-dimensions-of-a-view-getheight-and-getwidth-always-r here... and adding my code which requires knowing the measurements of the view into this listener. All works as expected for me..
How do you make layouts for several Android screen sizes? http://stackoverflow.com/questions/4360868/how-do-you-make-layouts-for-several-android-screen-sizes physical size and density. Density is handled by providing measurements in dips and scaled resources as appropriate. But density does..
How to get the Dimensions of a Drawable in an ImageView? http://stackoverflow.com/questions/4649438/how-to-get-the-dimensions-of-a-drawable-in-an-imageview
Android 2.3 Visualizer - Trouble understanding getFft() http://stackoverflow.com/questions/4720512/android-2-3-visualizer-trouble-understanding-getfft does not specify what unit is being used. Almost all other measurements are done in mHz would it be fair to assume that the FTT output..
Where to stop/destroy threads in Android Service class? http://stackoverflow.com/questions/680180/where-to-stop-destroy-threads-in-android-service-class do stuff which can be interrupted if necessary 2 Your measurements list is accessed by multiple threads the event thread and your.. operation and only really make sense if you expect measurements to be extremely infrequent say one an hour or less . Either..
Android Mapview: Merging overlapping markers into a new marker http://stackoverflow.com/questions/6989524/android-mapview-merging-overlapping-markers-into-a-new-marker inside. I know I can do this with brute force distance measurements but there must be a more efficient way. Anyone have any solution..
Adjust layout when soft keyboard is on http://stackoverflow.com/questions/7300497/adjust-layout-when-soft-keyboard-is-on onHidden This layout listens to measure changes and if new measurements are than the old ones that means part of the screen is eaten.. changes and the right time when actually take the measurements and maybe some more logic when comparing the new specs with..
GridView rows overlapping: how to make row height fit the tallest item? http://stackoverflow.com/questions/7545915/gridview-rows-overlapping-how-to-make-row-height-fit-the-tallest-item If the current height is larger than previous measurements update the array if measuredHeight mMaxRowHeight rowIndex mMaxRowHeight..
How to find absolute position of click while zoomed in http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in in canvas space so by subtracting these two canvas space measurements Ax to Bx and Bx to Edge from the total width you are left with..
Why are nested weights bad for performance? Alternatives? http://stackoverflow.com/questions/9430764/why-are-nested-weights-bad-for-performance-alternatives LinearLayout with non zero weights then the number of measurements increase exponentially. It's always better to use RelativeLayout..
How can I get the direction of movement using an accelerometer? http://stackoverflow.com/questions/10476625/how-can-i-get-the-direction-of-movement-using-an-accelerometer time and not be influenced by slight movements in the opposite direction that often happen when taking accelerometer measurements at such a fine level. You would also need to measure the amount of time that has passed to help calculate the accurate measure..
Convert magnetic field X, Y, Z values from device into global reference frame http://stackoverflow.com/questions/15315129/convert-magnetic-field-x-y-z-values-from-device-into-global-reference-frame spec. private TextView vendor private TextView resolution private TextView maximumRange Magnetic field coordinates measurements. private TextView magneticXTextView private TextView magneticYTextView private TextView magneticZTextView Sensors. private..
How accurate is Android GPS? [closed] http://stackoverflow.com/questions/1567443/how-accurate-is-android-gps presented as a simple distance anyway. Usually a device's accuracy is given as a distance along with the percentage of measurements that are within that distance from the true location. A typical accuracy for a hand held GPS device would be something like..
How is location accuracy measured in Android? http://stackoverflow.com/questions/3052517/how-is-location-accuracy-measured-in-android is location accuracy measured in Android Does anyone know the proper interpretation of the accuracy measurements returned by getAccuracy For instance are they calculated as Circular Error Probability meaning if i understand correctly..
Height of status bar in Android http://stackoverflow.com/questions/3407256/height-of-status-bar-in-android of status bar in Android What's the height of the status bar in Android Is it always the same From my measurements it seems that it's 25dp but I'm not sure if it has the same height on all platforms. I want to know this to properly implement..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow getMeasuredHeight getMeasuredHeight getSuggestedMinimumHeight setMeasuredDimension mW 5 mH 5 The 5 in the measurements are there as temporary From what I understand I'll need to do some math to determine the size that the drop shadow adds..
http://stackoverflow.com/questions/3921138/gesture-in-listview-android Bundle savedInstanceState super.onCreate savedInstanceState As paiego pointed out it's better to use density aware measurements. DisplayMetrics dm getResources .getDisplayMetrics REL_SWIPE_MIN_DISTANCE int 120.0f dm.densityDpi 160.0f 0.5 REL_SWIPE_MAX_OFF_PATH..
How do you to retrieve dimensions of a view? Getheight() and Getwidth() always return zero http://stackoverflow.com/questions/4142090/how-do-you-to-retrieve-dimensions-of-a-view-getheight-and-getwidth-always-r there does not seem to be a superclass method to invoke here... and adding my code which requires knowing the measurements of the view into this listener. All works as expected for me so I hope that this is able to help. share improve this answer..
How do you make layouts for several Android screen sizes? http://stackoverflow.com/questions/4360868/how-do-you-make-layouts-for-several-android-screen-sizes There are two axes to consider when it comes to screen size physical size and density. Density is handled by providing measurements in dips and scaled resources as appropriate. But density does not always imply size or vice versa. See http developer.android.com..
How to get the Dimensions of a Drawable in an ImageView? http://stackoverflow.com/questions/4649438/how-to-get-the-dimensions-of-a-drawable-in-an-imageview
Android 2.3 Visualizer - Trouble understanding getFft() http://stackoverflow.com/questions/4720512/android-2-3-visualizer-trouble-understanding-getfft bunch of graphs it looks like part of my problem is Google does not specify what unit is being used. Almost all other measurements are done in mHz would it be fair to assume that the FTT output is also in mHz Is there a place where I can see the source..
Where to stop/destroy threads in Android Service class? http://stackoverflow.com/questions/680180/where-to-stop-destroy-threads-in-android-service-class public void run while Thread.currentThread runner do stuff which can be interrupted if necessary 2 Your measurements list is accessed by multiple threads the event thread and your user thread at the same time without any synchronization... iteration of your sending Thread. This is a rather heavyweight operation and only really make sense if you expect measurements to be extremely infrequent say one an hour or less . Either you want a persistent socket that is not recreated every loop..
Android Mapview: Merging overlapping markers into a new marker http://stackoverflow.com/questions/6989524/android-mapview-merging-overlapping-markers-into-a-new-marker density of markers and onClick will zoom to display all markers inside. I know I can do this with brute force distance measurements but there must be a more efficient way. Anyone have any solution or smart algorithms on how I can achieve this android..
Adjust layout when soft keyboard is on http://stackoverflow.com/questions/7300497/adjust-layout-when-soft-keyboard-is-on OnSoftKeyboardListener public void onShown public void onHidden This layout listens to measure changes and if new measurements are than the old ones that means part of the screen is eaten by soft keyboard. Though for it to work in your manifest you.. Of course it's a dirty variant. You need to check for orientation changes and the right time when actually take the measurements and maybe some more logic when comparing the new specs with the old ones. But i think this is the only way to do it. share..
GridView rows overlapping: how to make row height fit the tallest item? http://stackoverflow.com/questions/7545915/gridview-rows-overlapping-how-to-make-row-height-fit-the-tallest-item the measured height for this layout int measuredHeight getMeasuredHeight If the current height is larger than previous measurements update the array if measuredHeight mMaxRowHeight rowIndex mMaxRowHeight rowIndex measuredHeight Update the dimensions..
How to find absolute position of click while zoomed in http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in user space and canvas space. You know the width of the Canvas in canvas space so by subtracting these two canvas space measurements Ax to Bx and Bx to Edge from the total width you are left with the coordinates for point A in canvas space public float..
Why are nested weights bad for performance? Alternatives? http://stackoverflow.com/questions/9430764/why-are-nested-weights-bad-for-performance-alternatives a LinearLayout with non zero weights is nested inside another LinearLayout with non zero weights then the number of measurements increase exponentially. It's always better to use RelativeLayout s and adjust your view according to the places of other..
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