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2014/10/16 ¤W¤È 08:23:12
android Programming Glossary: rulerhttp://stackoverflow.com/questions/1473355/autogrow-listview-in-android start chopping it from the top so it behaves as a sliding ruler at it max showing about 200 rows with 30 viewable android listview..
Determine angle of view of smartphone camera http://stackoverflow.com/questions/3261776/determine-angle-of-view-of-smartphone-camera I wouldn't know I would just snap a picture of a ruler from a known distance away see how much of the ruler is shown.. of a ruler from a known distance away see how much of the ruler is shown in the picture then use trigonometry to find the angle...
Android - set a ProgressBar to be a vertical bar instead of horizontal? http://stackoverflow.com/questions/3926395/android-set-a-progressbar-to-be-a-vertical-bar-instead-of-horizontal seeing anything. Additionally I'd like to be able to show ruler like indicator along the side of the bar to clearly indicate..
How to put text in a drawable? http://stackoverflow.com/questions/3972445/how-to-put-text-in-a-drawable also have numbers labeling what the hash marks are like a ruler . I know I can just create text elements and put them inside..
Explain the difference between drawable, drawable-ldpi, drawable-mdpi and drawable-hdpi http://stackoverflow.com/questions/6373085/explain-the-difference-between-drawable-drawable-ldpi-drawable-mdpi-and-drawab same physical size on each screen i.e. 2cm if you put a ruler on the screen . Also your computer screen is most probably MDPI.. will notice that it's much bigger again physically put a ruler on it style on the PC screen. If you do not supply special drawables..
Difference between android dimension: pt and dp http://stackoverflow.com/questions/6656651/difference-between-android-dimension-pt-and-dp units in mm pt are all the same size. I measured it with a ruler and the 160 dp bar is about 1mm larger than it should. While..
How to measure height, width and distance of object using camera? [closed] http://stackoverflow.com/questions/8698889/how-to-measure-height-width-and-distance-of-object-using-camera make it exactly fill the screen. For example point it at a ruler and make it just far enough away that you can only barely see.. enough away that you can only barely see the ends of the ruler. Measure the distance from the camera and then your total viewport.. and then your total viewport angle is viewportAngle tan ruler_length distance Then suppose your camera is 480px tall cheap..
http://stackoverflow.com/questions/1473355/autogrow-listview-in-android a List . Also say ListView grows too big it would be nice to start chopping it from the top so it behaves as a sliding ruler at it max showing about 200 rows with 30 viewable android listview autogrow share improve this question You can try..
Determine angle of view of smartphone camera http://stackoverflow.com/questions/3261776/determine-angle-of-view-of-smartphone-camera Unless there's some API call for that I'm not an Android programmer I wouldn't know I would just snap a picture of a ruler from a known distance away see how much of the ruler is shown in the picture then use trigonometry to find the angle. Then.. programmer I wouldn't know I would just snap a picture of a ruler from a known distance away see how much of the ruler is shown in the picture then use trigonometry to find the angle. Then you can hard code it as a constant in your program...
Android - set a ProgressBar to be a vertical bar instead of horizontal? http://stackoverflow.com/questions/3926395/android-set-a-progressbar-to-be-a-vertical-bar-instead-of-horizontal ProgressBar had a property to set to be vertical but I'm not seeing anything. Additionally I'd like to be able to show ruler like indicator along the side of the bar to clearly indicate the current level. Pointers appreciated Thanks android share..
How to put text in a drawable? http://stackoverflow.com/questions/3972445/how-to-put-text-in-a-drawable It needs to have hash marks and such no big deal but also have numbers labeling what the hash marks are like a ruler . I know I can just create text elements and put them inside the linearlayout and just have the hash marks in the drawable..
Explain the difference between drawable, drawable-ldpi, drawable-mdpi and drawable-hdpi http://stackoverflow.com/questions/6373085/explain-the-difference-between-drawable-drawable-ldpi-drawable-mdpi-and-drawab and 75x75 on a HDPI screen in order to appear at roughly the same physical size on each screen i.e. 2cm if you put a ruler on the screen . Also your computer screen is most probably MDPI which is why it's recommended to start with MDPI drawables.. an HDPI drawable on your computer and on an HDPI device you will notice that it's much bigger again physically put a ruler on it style on the PC screen. If you do not supply special drawables for each density Android will scale the closest one..
Difference between android dimension: pt and dp http://stackoverflow.com/questions/6656651/difference-between-android-dimension-pt-and-dp is slightly larger than 1 inch. All the normal physical units in mm pt are all the same size. I measured it with a ruler and the 160 dp bar is about 1mm larger than it should. While the physical units are 1mm shorter than they should. On the..
How to measure height, width and distance of object using camera? [closed] http://stackoverflow.com/questions/8698889/how-to-measure-height-width-and-distance-of-object-using-camera point the camera at something which is of known height and make it exactly fill the screen. For example point it at a ruler and make it just far enough away that you can only barely see the ends of the ruler. Measure the distance from the camera.. screen. For example point it at a ruler and make it just far enough away that you can only barely see the ends of the ruler. Measure the distance from the camera and then your total viewport angle is viewportAngle tan ruler_length distance Then.. the ends of the ruler. Measure the distance from the camera and then your total viewport angle is viewportAngle tan ruler_length distance Then suppose your camera is 480px tall cheap webcam and the view angle is 20°. If you have an object onscreen..
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