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2014/10/16 ¤W¤È 08:24:10
android Programming Glossary: simplifyAndroid Emulator vs Real Device http://stackoverflow.com/questions/1115413/android-emulator-vs-real-device eject No support for Bluetooth IMO you can use emulator to simplify UI development to view UI on device screen to be sure that app..
Augmented reality - Image size transform http://stackoverflow.com/questions/11387535/augmented-reality-image-size-transform viewport. When walking you have an area of vision. Let us simplify this scenario by considering that when looking the average person.. Step 3 Some Math Let us make another assumption to simplify the process. Lets assume that instead of viewing the real arc..
How to pause / sleep thread or process in Android? http://stackoverflow.com/questions/1520887/how-to-pause-sleep-thread-or-process-in-android multithreading share improve this question You could simplify your code by removing the Timer and using the Handler's postDelayed..
http://stackoverflow.com/questions/1626667/how-to-use-parcel-in-android ignored dest.writeValue str What am I missing UPDATE To simplify the test I've removed the reading and writing of files in my..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application my attempt to explain it differently The Situation Let's simplify the situation. We have Our projected point D x y z what you.. our eye in this configuration which I chose as origin to simplify. The focal length f can be estimated knowing that tan α w 2..
How to calculate distance from different markers in a map and then pick up the least one http://stackoverflow.com/questions/19218081/how-to-calculate-distance-from-different-markers-in-a-map-and-then-pick-up-the-l some filtering before you calculate distances and you can simplify the formula to speed it up as you don't care about actual distances..
Using ZXing to create an android barcode scanning app http://stackoverflow.com/questions/2050263/using-zxing-to-create-an-android-barcode-scanning-app here in the contents variable. To avoid the crashing and simplify things for you ZXing have provided a utility class which you..
OpenGL extensions available on different Android devices [closed] http://stackoverflow.com/questions/2093594/opengl-extensions-available-on-different-android-devices devices. If majority of devices support VBOs I could simplify my code and focus only on VBOs draw_texture. It'd be helpful..
Android - Declarative vs Programmatic UI http://stackoverflow.com/questions/2560950/android-declarative-vs-programmatic-ui
Converting a view to Bitmap without displaying it in Android? http://stackoverflow.com/questions/2801116/converting-a-view-to-bitmap-without-displaying-it-in-android Now this has complicated the code a lot and I will like to simplify it. So can I call another Activity from HomeScreen and do not..
How to draw an overlay on a SurfaceView used by Camera on Android? http://stackoverflow.com/questions/2933882/how-to-draw-an-overlay-on-a-surfaceview-used-by-camera-on-android is overwriting the text I'm trying to draw . This is a simplify version of the SurfaceView subclass I have public class Superficie..
AsyncTask doInBackground does not run [duplicate] http://stackoverflow.com/questions/4080808/asynctask-doinbackground-does-not-run time but not the doInBackground method. I have tried to simplify the doInBackground with a sleeping loop and the same thing happens...
http://stackoverflow.com/questions/4381033/multi-gradient-shapes well. It's kind of complex and I imagine there's a way to simplify it into a single shape but this is what I've got for now green_horizontal_gradient.xml..
Handlers, MessageQueue, Looper, do they all run on the UI thread? http://stackoverflow.com/questions/5193913/handlers-messagequeue-looper-do-they-all-run-on-the-ui-thread a lot of work the framework provides the Handler class to simplify things . When you create a Handler instance it is by default..
Android INJECT_EVENTS permission http://stackoverflow.com/questions/5383401/android-inject-events-permission have utilized root explorer from the Google marketplace to simplify this process. Alternatively check this out How to compile Android..
Removing unused strings during ProGuard optimisation http://stackoverflow.com/questions/6009078/removing-unused-strings-during-proguard-optimisation is .append answer .toString ProGuard version 4.6 can simplify this to something like new StringBuilder .append The answer.. leaves some fluff behind. It's surprisingly tricky to simplify this without some deeper knowledge about the StringBuilder class...
Programatically Hide/Show Android Soft Keyboard [duplicate] http://stackoverflow.com/questions/7200281/programatically-hide-show-android-soft-keyboard mFilterEditText.getWindowToken 0 To simplify On Login Page first Page I want my keyboard to be visible on..
Android Emulator vs Real Device http://stackoverflow.com/questions/1115413/android-emulator-vs-real-device AC charging state No support for determining SD card insert eject No support for Bluetooth IMO you can use emulator to simplify UI development to view UI on device screen to be sure that app layout is ok app can be run you can test some special cases..
Augmented reality - Image size transform http://stackoverflow.com/questions/11387535/augmented-reality-image-size-transform 1 The Viewport Assumption What you need to consider is a viewport. When walking you have an area of vision. Let us simplify this scenario by considering that when looking the average person does not use their peripheral vision for simplicity obviously.. In this case the size of the view is the arclength of the viewport Step 3 Some Math Let us make another assumption to simplify the process. Lets assume that instead of viewing the real arc we view the hypotenuse of the viewport. When looking from..
How to pause / sleep thread or process in Android? http://stackoverflow.com/questions/1520887/how-to-pause-sleep-thread-or-process-in-android n timer.cancel Terminate the timer thread android process multithreading share improve this question You could simplify your code by removing the Timer and using the Handler's postDelayed method @Override public void onClick View v my_button.setBackgroundResource..
http://stackoverflow.com/questions/1626667/how-to-use-parcel-in-android return 0 public void writeToParcel Parcel dest int ignored dest.writeValue str What am I missing UPDATE To simplify the test I've removed the reading and writing of files in my original example. android parcel share improve this question..
Perspective Projection in Android in an augmented reality application http://stackoverflow.com/questions/16619104/perspective-projection-in-android-in-an-augmented-reality-application also confused me when I read it some time ago. Here is my attempt to explain it differently The Situation Let's simplify the situation. We have Our projected point D x y z what you call relativePositionX Y Z An image plane of size w h A half.. Y A schema for the X screen coordinates E is the position of our eye in this configuration which I chose as origin to simplify. The focal length f can be estimated knowing that tan α w 2 f 1 A bit of Geometry You can see on the picture that the triangles..
How to calculate distance from different markers in a map and then pick up the least one http://stackoverflow.com/questions/19218081/how-to-calculate-distance-from-different-markers-in-a-map-and-then-pick-up-the-l process to scale to a large amount of locations you can do some filtering before you calculate distances and you can simplify the formula to speed it up as you don't care about actual distances i.e. remove the multiplication by the radius of the..
Using ZXing to create an android barcode scanning app http://stackoverflow.com/questions/2050263/using-zxing-to-create-an-android-barcode-scanning-app been recognised you'll receive the result in your Activity here in the contents variable. To avoid the crashing and simplify things for you ZXing have provided a utility class which you could integrate into your application to make the installation..
OpenGL extensions available on different Android devices [closed] http://stackoverflow.com/questions/2093594/opengl-extensions-available-on-different-android-devices guessing I'd like to know the extensions supported by different devices. If majority of devices support VBOs I could simplify my code and focus only on VBOs draw_texture. It'd be helpful to know what different devices support so if you have an Android..
Android - Declarative vs Programmatic UI http://stackoverflow.com/questions/2560950/android-declarative-vs-programmatic-ui
Converting a view to Bitmap without displaying it in Android? http://stackoverflow.com/questions/2801116/converting-a-view-to-bitmap-without-displaying-it-in-android view by placing all the code in HomeScreen Activity only. Now this has complicated the code a lot and I will like to simplify it. So can I call another Activity from HomeScreen and do not display it and just get the Bitmap of that screen. For example..
How to draw an overlay on a SurfaceView used by Camera on Android? http://stackoverflow.com/questions/2933882/how-to-draw-an-overlay-on-a-surfaceview-used-by-camera-on-android but nothing there is being printed I guess the camera preview is overwriting the text I'm trying to draw . This is a simplify version of the SurfaceView subclass I have public class Superficie extends SurfaceView implements SurfaceHolder.Callback..
AsyncTask doInBackground does not run [duplicate] http://stackoverflow.com/questions/4080808/asynctask-doinbackground-does-not-run suddenly stops working. The onPreExecute method is run every time but not the doInBackground method. I have tried to simplify the doInBackground with a sleeping loop and the same thing happens. I cant understand this behavour since the asynctask..
http://stackoverflow.com/questions/4381033/multi-gradient-shapes it works in XML but should be doable for shapes in Java as well. It's kind of complex and I imagine there's a way to simplify it into a single shape but this is what I've got for now green_horizontal_gradient.xml xml version 1.0 encoding utf 8 shape..
Handlers, MessageQueue, Looper, do they all run on the UI thread? http://stackoverflow.com/questions/5193913/handlers-messagequeue-looper-do-they-all-run-on-the-ui-thread update see ahcox ' comment and his answer . Because this is a lot of work the framework provides the Handler class to simplify things . When you create a Handler instance it is by default bound to the Looper already attached to the current thread...
Android INJECT_EVENTS permission http://stackoverflow.com/questions/5383401/android-inject-events-permission adb shell cp sdcard APP.apk system app Several users have utilized root explorer from the Google marketplace to simplify this process. Alternatively check this out How to compile Android Application with system permissions share improve this..
Removing unused strings during ProGuard optimisation http://stackoverflow.com/questions/6009078/removing-unused-strings-during-proguard-optimisation corresponds to Log.d new StringBuilder .append The answer is .append answer .toString ProGuard version 4.6 can simplify this to something like new StringBuilder .append The answer is .append answer .toString So the logging is gone but the optimization.. .toString So the logging is gone but the optimization step still leaves some fluff behind. It's surprisingly tricky to simplify this without some deeper knowledge about the StringBuilder class. As far as ProGuard is concerned it could say new DatabaseBuilder..
Programatically Hide/Show Android Soft Keyboard [duplicate] http://stackoverflow.com/questions/7200281/programatically-hide-show-android-soft-keyboard getSystemService Context.INPUT_METHOD_SERVICE imm.hideSoftInputFromWindow mFilterEditText.getWindowToken 0 To simplify On Login Page first Page I want my keyboard to be visible on start up.. On SecondPage I want keyboard to be hidden first..
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